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Journal articles on the topic 'Electrical machines and drives'

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Published: 10 December 2022
Last updated: 28 January 2023

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1

Schwarz, K. K. "Electrical Machines and Drives." Power Engineering Journal 6, no. 3 (1992): 138. http://dx.doi.org/10.1049/pe:19920029.

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2

Hughes, A. "Electrical Machines and Drives." IEE Review 37, no. 3 (1991): 116. http://dx.doi.org/10.1049/ir:19910055.

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3

Williamson, S. "Electrical Machines and Drives." IEE Review 38, no. 1 (1992): 32. http://dx.doi.org/10.1049/ir:19920015.

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4

Eastham, J. F. "Editorial: Electrical machines and drives." IEE Proceedings - Electric Power Applications 143, no. 6 (1996): 409. http://dx.doi.org/10.1049/ip-epa:19960932.

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5

Williamson, S. "Editorial: Electrical machines and drives." IEE Proceedings - Electric Power Applications 145, no. 5 (1998): 401. http://dx.doi.org/10.1049/ip-epa:19982160.

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6

Miller, T. J. E. "Book review: Electrical Machines and Drives." Power Engineering Journal 2, no. 3 (1988): 123. http://dx.doi.org/10.1049/pe:19880024.

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7

Fairney, W. "Book review: Electrical Machines and Drives." Power Engineering Journal 4, no. 4 (1990): 173. http://dx.doi.org/10.1049/pe:19900035.

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8

Slemon, G. R. "Electrical machines for variable-frequency drives." Proceedings of the IEEE 82, no. 8 (1994): 1123–39. http://dx.doi.org/10.1109/5.301681.

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9

Bermúdez, Mario, Federico Barrero, Cristina Martín, and Manuel Perales. "Performance Analysis of Direct Torque Controllers in Five-Phase Electrical Drives." Applied Sciences 11, no. 24 (December 16, 2021): 11964. http://dx.doi.org/10.3390/app112411964.

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The industrial application of electric machines has grown in the last decades, thanks to the development of microprocessors and power converters, which have permitted their use as variable-speed drives. Although three-phase machines are the common trend, the interest of the research community has recently focused on machines with more than three phases, known as multiphase machines. The principal reason lies in the exploitation of their advantages in terms of reliability, i.e., post-fault operating capability. Additionally, multiphase machines provide a better current distribution among phases, and lower current harmonic production in the power converter, than conventional three-phase machines. However, multiphase drive applications require the development of complex controllers to regulate the torque (or speed) and flux of the machine. In this regard, direct torque controllers have appeared as a viable alternative due to their easy formulation and high flexibility to incorporate control objectives. However, these controllers face some peculiarities and limitations in their use that require attention. This work aims to tackle direct torque control as a viable alternative for the regulation of multiphase drives. Special attention will be paid to the development of the control technique and the expected benefits and limitations in the obtained results. Case examples based on symmetrical five-phase induction machines with distributed windings in the motoring mode of operation will be used to this end.
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10

Laksar, Jan, Radek Cermak, and Karel Hruska. "Challenges in the Electromagnetic Design of Multiphase Machines: Winding and Equivalent Circuit Parameters." Energies 14, no. 21 (November 4, 2021): 7335. http://dx.doi.org/10.3390/en14217335.

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The usage of multiphase electrical drives expands the operation possibilities of electrical machines and opens new directions of research on inverter-fed electrical machines. With an increasing number of phases, the standard approach of the electromagnetic design of machines has to be generalized to m-phase systems, which is not usually respected in the literature focused on electric machine design, and it is rarely published. This paper summarizes the specific problems linked with the design of machines with different numbers of phases, focusing on the winding design and the calculation of equivalent circuit parameters. In addition to the direct effect of different numbers of phases, the impact of injecting higher order time harmonic components on the electromagnetic design of electric machines is analyzed. The obtained analytical results are verified by the measurement of a nine-phase experimental induction motor.
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11

TULUPOV, Viktor D., Mikhail A. SLEPTSOV, and Alexander A. BRIEDIS. "An Analysis of Damages Inflicted to the Bearing of Rolling Stock Traction Machines Powered by Frequency and Voltage Converters." Elektrichestvo, no. 3 (2021): 44–53. http://dx.doi.org/10.24160/0013-5380-2021-3-44-53.

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The technical and economic efficiency of electric rolling stock (ERS) is determined by the characteristics of its traction electric drives, the key ones of them being the manufacturing cost, repair and maintenance costs, service life, specific energy consumption, and operational reliability. The modern ERS uses induction electric drives with pulse-width control of the voltage and frequency control of the rotation frequency. The field experience gained from operation of electric drives equipped with semiconductor converters has shown a growing number of cases involving accelerated wear of the traction machine bearings. Currents through the bearings or shaft currents, which usually flow from the electrical machine shaft through the bearings, have been known since the time the electrical machines were invented. Owing to recent achievements made in power electronics, the application field of inductor motors has become much wider. In particular, the use of inverters with pulse-width modulation (PWM) and high switching frequency make it possible to operate an electric drive with a lower acoustic noise and with more efficient energy conversion; however, the use of inverters also entails the generation of bearing currents in induction motors. The article analyzes possible factors causing the occurrence of bearing currents. Typical changes occurring in the bearings as a result of electric current flowing through them are shown: the rolling surface becomes dull, grooves on the ball race occur, and lubrication becomes degraded. The influence of operating parameters on the frequency of the occurring breakdowns and the distribution of forces in the bearing system depending on the load are considered. A conclusion is drawn that the potential problem of bearing currents should be solved using design, structural, and algorithmic methods at different stages of design and operation of electrical systems involving adjustable electric drives.
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12

Brown, S. J. "Functional safety of electrical machines and drives." Computer Standards & Interfaces 20, no. 6-7 (March 1999): 490. http://dx.doi.org/10.1016/s0920-5489(99)91119-4.

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13

TULUPOV, Viktor D., Mikhail A. SLEPTSOV, and Alexander A. BRIEDIS. "An Ana lysis of Damages Inflicted to the Bearing of Rolling Stock Traction Machines Powered by Frequency and Voltage Converters." Elektrichestvo 3, no. 3 (2021): 44–53. http://dx.doi.org/10.24160//0013-5380-2021-3-44-53.

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The technical and economic efficiency of electric rolling stock (ERS) is determined by the characteristics of its traction electric drives, the key ones of them being the manufacturing cost, repair and maintenance costs, service life, specific energy consumption, and operational reliability. The modern ERS uses induction electric drives with pulse-width control of the voltage and frequency control of the rotation frequency. The field experience gained from operation of electric drives equipped with semiconductor converters has shown a growing number of cases involving accelerated wear of the traction machine bearings. Currents through the bearings or shaft currents, which usually flow from the electrical machine shaft through the bearings, have been known since the time the electrical machines were invented. Owing to recent achievements made in power electronics, the application field of inductor motors has become much wider. In particular, the use of inverters with pulse-width modulation (PWM) and high switching frequency make it possible to operate an electric drive with a lower acoustic noise and with more efficient energy conversion; however, the use of inverters also entails the generation of bearing currents in induction motors. The article analyzes possible factors causing the occurrence of bearing currents. Typical changes occurring in the bearings as a result of electric current flowing through them are shown: the rolling surface becomes dull, grooves on the ball race occur, and lubrication becomes degraded. The influence of operating parameters on the frequency of the occurring breakdowns and the distribution of forces in the bearing system depending on the load are considered. A conclusion is drawn that the potential problem of bearing currents should be solved using design, structural, and algorithmic methods at different stages of design and operation of electrical systems involving adjustable electric drives.
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14

Cao, Wenping, Abid Ali Shah Bukhari, and Lassi Aarniovuori. "Review of Electrical Motor Drives for Electric Vehicle Applications." July 2019 38, no. 3 (July 1, 2019): 525–40. http://dx.doi.org/10.22581/muet1982.1903.01.

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EVs (Electric Vehicles) have been rejuvenated over the last decades while the motor drive technologies are still evolving. This paper provides a review of electrical motor drive technologies used in EV applications, with a performance comparison of candidate machines and their drive topologies. EV applications demand high efficiency, high torque density, high reliability, and wide speed range while reducing weight, complexity, total costs and environmental impact. In the literature, DC (Direct Current) motors, IMs (Induction Motors) and PM (Permanent Magnet) motors can be generally found in marketplace whilst RMs (Reluctance Motors) have been researched for some time and are nearing commercial availability. This paper evaluates the performance of these four main types of electrical motor drives for EV propulsion applications using analytical methods. PM motors may offer the best performance in terms of torque density and compactness but the cost is the highest (primarily dominated by rare-earth permanent magnets), limiting their widespread application in mass production EVs. DC motors have their own merits but suffer from limited power density and necessity for maintenance. Induction motor drives are a mature and proven technology. In particular, squirrel-cage IMs are robust, reliable and inexpensive, striking a balance between system cost and complexity, power density and extended speed range. Reluctance motors can provide a good torque density and cost effective EV drive solutions. Their drawbacks can also be overcome by the use of power electronic converters and advanced control strategies. Induction and reluctance motor drives are well suited for cost sensitive mass production EV applications. Looking to the future, increased hybridization may be a way forward in industry which combines attractive features of different electrical machines and control algorithms and still offer much promise in performance and total cost. At last, reliability study on EVs requires historical information and driving patterns, demanding research expertise in eco-sociology, human behaviors as well as human-machine interface.
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15

Zhilevski, Marin, and Mikho Mikhov. "Study of spindle drives for boring machines." MATEC Web of Conferences 287 (2019): 01026. http://dx.doi.org/10.1051/matecconf/201928701026.

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This paper examines the main requirements for the electric drive systems of a class of boring machines with digital program control. On this basis, a methodology for choice of the spindle drives is offered. The algorithm takes into account the specific features of the technological processes, the treated materials, the tools used and their wear, as well as the mechanical gear types. The experimental studies of the implemented electric drives for the spindle are presented and discussed. The research carried out and the results obtained can be used in the development of such drives for the studied class of machine tools.
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16

NAUNIN, DIETRICH. "LOOKING FORWARD TO THE INTELLIGENT ELECTRICAL MACHINE: ELECTRONICS AND MACHINES COMBINE THEIR ABILITIES." Journal of Circuits, Systems and Computers 05, no. 01 (March 1995): 45–63. http://dx.doi.org/10.1142/s0218126695000059.

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Electrical machines, more than 150 years old, have long been distinguished according to their mechanical structure and frequencies of their supply voltage (or current). This is not true any more after the electronic revolution. Since the fast development in power electronics as well as in control electronics these electronics can give any motor any desired speed-torque characteristic and any motor can become a servodrive having a very precise position control. By implementing digital control algorithms, mainly the cascaded, the state feedback or the cascaded state feedback control, and — if necessary, in addition — adaptive control procedures which compensate the variation of system parameters in the controller, the "intelligent electrical machine" — either with the synchronous or with the induction machine — is created. It is part of mechatronics. It can be installed in modern automated systems, in robots and tool machines, in all kinds of industrial drive systems as well as in locomotives and electric cars. Also modern methods like fuzzy logic and neural networks can be used. It seems that they will not create a second revolution in the control itself, but in the application areas of drives. They add some interesting features to the intelligent electrical machine and make it even more intelligent. They could also speed up the controller design in future.
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17

Vas, P. "Al-based electrical machines and drives [Book Review]." IEEE Power Engineering Review 19, no. 12 (December 1999): 28. http://dx.doi.org/10.1109/mper.1999.808172.

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18

Binns, K. J. "3rd International Conference on Electrical machines and drives." IEE Proceedings B Electric Power Applications 134, no. 6 (1987): 285. http://dx.doi.org/10.1049/ip-b.1987.0045.

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19

BELMANS, R., and W. GEYSEN. "CAD-CAE in Electrical Machines and Drives Teaching." European Journal of Engineering Education 13, no. 2 (January 1988): 205–12. http://dx.doi.org/10.1080/03043798808939417.

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20

Grantham, Colin. "Electrical Machines and Drives for Potentially Explosive Atmospheres." Journal of international Conference on Electrical Machines and Systems 1, no. 1 (March 1, 2012): 128–34. http://dx.doi.org/10.11142/jicems.2012.1.1.128.

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21

Yu, Hsing-Cheng, Hung-Wei Lai, Li-Jhen Chen, and Cheng-Kai Lin. "Low cogging torque design and simplified model-free predictive current control for radial-flux dual three-phase permanent magnet electric machines." Advances in Mechanical Engineering 11, no. 12 (December 2019): 168781401989164. http://dx.doi.org/10.1177/1687814019891644.

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This study presents two improved designs of eccentric-shaped permanent magnets and teeth-shaped stators in radial-flux dual three-phase permanent magnet electric machines to reduce cogging torque and torque ripple. The finite element analysis (ANSYS Electromagnetics) has been adopted in simulation, and real radial-flux dual three-phase permanent magnet electric machines have been fabricated in experiment to verify the study. Using the radial-flux dual three-phase permanent magnet electric machines in electric machine systems can improve the reliability and obtain higher output torque. In electrical drives and control, a simplified model-free predictive current control method has been proposed and implemented to drive the radial-flux dual three-phase permanent magnet electric machines, and the control law has been achieved by a TMS320F28377S microcontroller of Texas Instruments. The simplified model-free predictive current control method is senseless to parameter variations and back electromotive force of the permanent magnet electric machines, and only needs current sensors to detect six-phase current. The optimal one has been chosen by 14 various switching modes, which has the minimum cost function, and then the converter can be directly driven and controlled in the next sampling period. The features of the simplified model-free predictive current control method can reduce the algorithm calculation and avoid the defect of conventional model-based predictive current control scheme. A proportional-integral speed controller has also been designed to achieve the speed response of the fixed-speed tracking effect. Finally, the feasibility and effectiveness of the proposed simplified model-free predictive current control method for the dual three-phase permanent magnet electric machines can be verified in the experimental and quantitative results.
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22

Gonzalez-Abreu, Artvin-Darien, Roque-Alfredo Osornio-Rios, Arturo-Yosimar Jaen-Cuellar, Miguel Delgado-Prieto, Jose-Alfonso Antonino-Daviu, and Athanasios Karlis. "Advances in Power Quality Analysis Techniques for Electrical Machines and Drives: A Review." Energies 15, no. 5 (March 5, 2022): 1909. http://dx.doi.org/10.3390/en15051909.

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The electric machines are the elements most used at an industry level, and they represent the major power consumption of the productive processes. Particularly speaking, among all electric machines, the motors and their drives play a key role since they literally allow the motion interchange in the industrial processes; it could be said that they are the medullar column for moving the rest of the mechanical parts. Hence, their proper operation must be guaranteed in order to raise, as much as possible, their efficiency, and, as consequence, bring out the economic benefits. This review presents a general overview of the reported works that address the efficiency topic in motors and drives and in the power quality of the electric grid. This study speaks about the relationship existing between the motors and drives that induces electric disturbances into the grid, affecting its power quality, and also how these power disturbances present in the electrical network adversely affect, in turn, the motors and drives. In addition, the reported techniques that tackle the detection, classification, and mitigations of power quality disturbances are discussed. Additionally, several works are reviewed in order to present the panorama that show the evolution and advances in the techniques and tendencies in both senses: motors and drives affecting the power source quality and the power quality disturbances affecting the efficiency of motors and drives. A discussion of trends in techniques and future work about power quality analysis from the motors and drives efficiency viewpoint is provided. Finally, some prompts are made about alternative methods that could help in overcome the gaps until now detected in the reported approaches referring to the detection, classification and mitigation of power disturbances with views toward the improvement of the efficiency of motors and drives.
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23

Lingaitis, Leonas Povilas, and Lionginas Liudvinavičius. "ELECTRIC DRIVES OF TRACTION ROLLING STOCKS WITH AC MOTORS." TRANSPORT 21, no. 3 (September 30, 2006): 223–29. http://dx.doi.org/10.3846/16484142.2006.9638070.

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The paper considers the variation of circuit design of the electric drives in traction rolling stocks when traditional DC electric machines are replaced with AC electric machines. Simplified circuit diagrams of the electric drives using electric machines of non‐commutator type are offered. Operational defects of DC traction engines are weighed against some positive characteristics of direct current series excitation in traction engines, determining their extensive use in the electric drives of traction rolling stocks. However, the rapid development of semiconductor devices, e.g. thyristors and IGBT transistors, led to the creation of a great variety of semiconductor inverters. This made it possible to develop an autonomous three‐phase power supply system for diesel locomotives and algorithms for the AC traction motors and to obtain engine characteristics matching the tractive force by using voltage frequency and current inverters. A mathematical justification of the engine torque and tractive force control as well as its particular characteristics is provided. The graphs demonstrating the particular ways of changing the electrical parameters of an asynchronous motor with a squirrel‐cage rotor are also presented.
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24

Mikhov, Mikho, and Marin Zhilevski. "Study and Performance Improvement of the Drive Systems for a Class of Machine Tools." MATEC Web of Conferences 299 (2019): 05003. http://dx.doi.org/10.1051/matecconf/201929905003.

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This paper deals with some problems in the modernization of a type of machine tools with multi–coordinate drive systems. The basic requirements to the drives of each coordinate axis and the spindle are presented. Using the analysis carried out, a practical approach to appropriate selection of the respective drives is applied. The methodology offered is illustrated with some examples for choice of drives with direct current and alternating current motors. Some experimental research of cases with different feed and spindle drives are described and discussed. Better capabilities of the modernized machines for processing more complex workpieces are achieved, at a relatively low price. This research and the obtained results can be used in the design and tuning of electric drives for the considered type of machines with numerical program control.
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25

Proshutinsky, Roman, and Oleg Kolodkin. "Computer aided design of electromechanical transducer of gated traction motor by using modern software." Bulletin of scientific research results, no. 1 (March 20, 2016): 72–79. http://dx.doi.org/10.20295/2223-9987-2016-1-72-79.

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Objective: To develop a system of computer aided design for electrical traction drive complex, as a component of CAD for electric rolling stock. Modern approach for electrical traction drive complex design means the development of assembly of interconnected systems, such as electrical traction motor, transducer, control system, etc. The most striking instance of such an assembly is gated traction motor, that is somehow in-between electric machines and electric drives. It is usefull to start the developing of CAD gated traction motor by developing the CAD system for electromechanical transducer of gated traction motor. Methods: In the base of CAD system under development there is a technology of design of electromechanical transducer of gated traction motor. At the stage of electromechanical transducer magnetic circuit calculation the software for simulation of magnetic fields by finite elements method was used. Results: The paper suggests the structure diagram of CAD system for electromechanical transducer of gated traction motor. Calculating software language is Octave. The paper provides the results of magnetic field calculations for electromechanical transducer of gated traction motor FEMM software for finite-element simulation. Based on the results of magnetic field calculations the curve of electromechanical transducer energizing is plot. Also the practicability of FEMM software implementation at the design stage of magnetic circuit is confirmed. Practical importance: Obtained results are useful for creation of educational and research system for CAD for electric traction drive complex. Development of CAD system for gated traction motor will allow to master methods and approaches of design for electric machines and semiconductor complexes of electric traction drives in general.
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26

Boglietti, Aldo, Chris Gerada, and Andrea Cavagnino. "High-speed electrical machines and drives [Special section intro.]." IEEE Transactions on Industrial Electronics 61, no. 6 (June 2014): 2943–45. http://dx.doi.org/10.1109/tie.2013.2286778.

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27

Skřivánek, Josef, Martin Bílek, and Michal Kašpárek. "Control Optimisation of the New Drive of Small Diameter Knitting Machines." Autex Research Journal 17, no. 1 (March 1, 2017): 1–5. http://dx.doi.org/10.1515/aut-2015-0024.

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Abstract The article is concerned with the issues of the drive of small diameter knitting machines. In connection to the proposal of optimum structure of the driving systems of the machine, there have been analysed the possibilities of precisely controlled servo drives. An optimised structure of the drives allows for the utilisation of precisely defined position and velocity functions. There is applied here the function of a polynomial of 7th degree, proposed for impact-free course of the acceleration, and it is compared with the results corresponding to the existing structure of drives of knitting machines. At the same time, there is analysis and comparison of the consumption of electric power by the original and optimised systems.
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28

Eshmurodov, Ziyodullo, and Folib Holboiv. "Modernization of Control Systems of Electric Drives of Mine Lifting Machines." E3S Web of Conferences 41 (2018): 03006. http://dx.doi.org/10.1051/e3sconf/20184103006.

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The article shows the peculiarity of the system of technological automation of the newest Simatic S7-1500 PLCs, for electric drives of hoisting transport machines, the analysis of control systems for electric drives of operating mine hoisting machines of mining complexes. One of the main ways to increase the energy efficiency of MLM is to replace old asynchronous electric motors with a phase rotor with squirrel cage induction motors designed for operation in a frequency-controlled electric drive. The introduction of a frequency converter and an electric drive control system, which together allow the recovery of electricity in the supply network in the mode of generator braking. Thus, the system for automated control of the mine hoisting machine based on the Simatic S7-1500 PLC, with the developed control algorithm, is an integrated energy-efficient control system, which it is advisable to use in the management of the SHM.
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29

Paprocki, Marcin, and Krystian Erwiński. "Synchronization of Electrical Drives via EtherCAT Fieldbus Communication Modules." Energies 15, no. 2 (January 15, 2022): 604. http://dx.doi.org/10.3390/en15020604.

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Synchronization between devices (in particular drive systems) is paramount for multi-axis motion control systems used in Computerized Numerical Control (CNC) machines, robots, and specialized technology machines used in many areas of the manufacturing industry. EtherCAT is an Ethernet-based network that is one of the most popular industrial networks for multi-axis motion control systems. EtherCAT is standardized in the IEC 61158 and IEC 61784 standards. In the article, an EtherCAT communication network for electrical drives is presented. The article focuses on the synchronization in the EtherCAT network consisting of one master device and slave servo drive devices. Special attention is given to synchronization mechanisms in EtherCAT, such as distributed clocks in slave servo drives devices. For this purpose, a laboratory stand was built consisting of two prototype servo drive devices with BLDC motors equipped with EtherCAT communication modules. A description of the working developed EtherCAT communication modules is given. Authors in communication modules ware used an EtherCAT Slave Controller (ESC) chip (AX58100) to implement lower EtherCAT layers. EtherCAT application layer was implemented in software form on a 32-bit microcontroller, based on CANopen over EtherCAT (CoE) CAN in Automation 402 (CiA402) profile. This research’s main contribution was to show the time dependencies regarding synchronization in terms of data flow in the EtherCAT communication stack in slave servo drive devices. The research results showed that the synchronous operation of drives is mainly influenced not by the mechanism of distributed clocks that ensures synchronization in the EtherCAT network but the implementation of the highest layer of the communication stack in slave servo drive devices. Experimental results are presented that prove the modules’ adequacy for use in high-performance motion control systems.
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30

Datskovskii, L. Kh, V. I. Rogovoi, I. S. Kuznetsov, I. A. Kuz’min, P. G. Vainstein, and A. V. Biryukov. "Electric drives of mine-lifting machines." Russian Electrical Engineering 81, no. 1 (January 2010): 15–30. http://dx.doi.org/10.3103/s1068371210010037.

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31

Canders, Wolf-Rüdiger, Jan Hoffmann, and Markus Henke. "Cooling Technologies for High Power Density Electrical Machines for Aviation Applications." Energies 12, no. 23 (December 1, 2019): 4579. http://dx.doi.org/10.3390/en12234579.

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This paper is aimed at giving an overview of possible cooling technologies for electrical machines and their assessment for aviation applications, e.g., fan or propeller drives. The most important demand for aircraft is the minimization of the drive system weight comprising electrical machine, power electronics, and the cooling system. The potential of aluminum winding an overview about several cooling technologies with the Rankine or Brayton cycle or utilizing the phase change of the cooling fluid is given. As an alternative approach, the cooling structure inside the machine is studied. A very interesting potential was discovered with direct slot cooling (DSC) removing the heat where it is produced and, thus, simplifying the cooling system effort and its weight. Since it is one of the most promising approaches, this cooling method is studied in depth. Furthermore, it can also be combined with one of the cooling technologies discussed above.
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32

Vuddanti, Sandeep, Vinod Karknalli, and Surender Reddy Salkuti. "Design and comparative analysis of three phase, four phase and six phase switched reluctance motor topologies for electrical vehicle propulsion." Bulletin of Electrical Engineering and Informatics 10, no. 3 (June 1, 2021): 1495–504. http://dx.doi.org/10.11591/eei.v10i3.3054.

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Switched reluctance motor (SRM) is attracting the scientific community in recent days because of its special structural benefits. Good research work has been conducted on this machine since the ages. It has evolved as an alternative to the conventional electrical machines in variable speed drives due to rugged architecture, high-speed operation, four quadrants, lack of magnet, and adaptability to harsh surroundings. This paper reviews different topologies of SRM for electric vehicle (EV) application and a comparative study of suitable machines for electric vehicle propulsion. This paper elaborates on the design methodology and the analysis of various phases of operation of SRMs. During the design procedure, the finite element method (FEM) of optimization is used to enhance motor performance. In this study, the three different phase (3, 4 6) motors are analyzed in machine design software and finite element analysis outcomes and SRM simulation approach are discussed.
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33

KONEV, VITALY V., NIKOLAJ N. KARNAUKHOV, SHAKHBUBA M. MERDANOV, and EGOR V. POLOVNIKOV. "ELECTRIC DRIVE OF ROAD CONSTRUCTION MACHINES." Architecture, Construction, Transport, no. 3(101) (2022): 65–73. http://dx.doi.org/10.31660/2782-232x-2022-3-65-73.

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This article deals with the use of electric drive in the design of mobile road construction vehicles. Despite the fact that electric drive has been used in machine engineering for a long time (span type cranes, tower cranes, machines), this type of drive is not widely used in specialized equipment (single-bucket excavators, bulldozers, single-bucket loaders, etc.). At the same time, based on scientific evidence, the electric drive has been used more and more often in the car engineering. Clearly, the use of electric drives in road construction machines has not been sufficiently investigated and therefore it's limited. This is due to a number of factors associated with the features (a large mass, changes in technological processes of work) and operating conditions (natural, climatic, road) of this road machinery. This must be taken into account in the development of road construction vehicles with an electric drive to improve the efficiency of their use. The authors analyzed the characteristics of machines with electric drive, determined the functional dependences, and based on this made the main conclusions.
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34

STAN, MIHAIL-FLORIN, NICOLAE FIDEL, and NICOLAE VASILE. "ELECTRICAL PLATFORM FOR DRIVE OF AC ASYNCHRONOUS MOTORS AND SERVOMOTORS USING FREQUENCY CONVERTERS." Journal of Science and Arts 21, no. 3 (September 30, 2021): 845–56. http://dx.doi.org/10.46939/j.sci.arts-21.3-c03.

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The development of industrial automation has implicitly led to the improvement of electric drive systems, especially since such installations are the most common form of conversion of electricity into mechanical energy. The electric drive can be defined and studied only if we consider the whole assembly of which it is part, such as the automation of a technological production process. This paper describes the design and practical implementation of a laboratory stand with a teaching feature. The designed stand is a study support for various applications used in the industrial area, offering the possibility of experimentation on programming and parameterization of frequency converters in the laboratory of "Electrical machines and drives" of the Faculty of Electrical Engineering, Electronics and Information Technology at the University of Valahia from Targoviste.
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35

Saidi, Lotfi, Mohamed Benbouzid, Demba Diallo, Yassine Amirat, Elhoussin Elbouchikhi, and Tianzhen Wang. "Higher-Order Spectra Analysis-Based Diagnosis Method of Blades Biofouling in a PMSG Driven Tidal Stream Turbine." Energies 13, no. 11 (June 5, 2020): 2888. http://dx.doi.org/10.3390/en13112888.

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Most electrical machines and drive signals are non-Gaussian and are highly nonlinear in nature. A useful set of techniques to examine such signals relies on higher-order statistics (HOS) spectral representations. They describe statistical dependencies of frequency components that are neglected by traditional spectral measures, namely the power spectrum (PS). One of the most used HOS is the bispectrum where examining higher-order correlations should provide further details and information about the conditions of electric machines and drives. In this context, the stator currents of electric machines are of particular interest because they are periodic, nonlinear, and cyclostationary. This current is, therefore, well adapted for analysis using bispectrum in the designing of an efficient condition monitoring method for electric machines and drives. This paper is, therefore, proposing a bispectrum-based diagnosis method dealing the with tidal stream turbine (TST) rotor blades biofouling issue, which is a marine environment natural process responsible for turbine rotor unbalance. The proposed bispectrum-based diagnosis method is verified using experimental data provided from a permanent magnet synchronous generator (PMSG)-based TST experiencing biofouling emulated by attachment on the turbine blade. Based on the achieved results, it can be concluded that the proposed diagnosis method has been very successful. Indeed, biofouling imbalance-related frequencies are clearly identified despite marine environmental nuisances (turbulences and waves).
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36

Tavner, P. "Power Electronics Machines and Drives." Power Engineering Journal 15, no. 5 (October 1, 2001): 257–58. http://dx.doi.org/10.1049/pe:20010509.

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37

Bodnicki, M. "Measurement problems of miniature electrical machines." IOP Conference Series: Materials Science and Engineering 1199, no. 1 (November 1, 2021): 012095. http://dx.doi.org/10.1088/1757-899x/1199/1/012095.

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Abstract The article presents the issue related to experimental research on the determination of static and dynamic properties of miniature electrical machines. The tested objects are, for example, micromotors with body diameters in the order of single millimetres, or linear drives with millimetre dimensions. The main measurement problems were presented and the specificity of these measurements was characterized. First of all, electromechanical time constants have small values due to small values of masses or mass moments of inertia. The force quantities (forces and torques) generated by such actuators also require the use of unconventional measuring transducers. The research may concern the identification of static and dynamic characteristics, but also methods of dynamic measurement of the quantities used in the control of such micromachines are presented. Practical examples of original measurement methods and systems are presented.
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38

Mecrow, B., J. J. A. Cullen, and P. Mellor. "Editorial: Electrical machines and drives for the ‘More Electric Aircraft’." IET Electric Power Applications 5, no. 1 (2011): 1. http://dx.doi.org/10.1049/iet-epa.2011.9010.

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39

Capolino, Gerard-Andre, Jose A. Antonino-Daviu, and Martin Riera-Guasp. "Modern Diagnostics Techniques for Electrical Machines, Power Electronics, and Drives." IEEE Transactions on Industrial Electronics 62, no. 3 (March 2015): 1738–45. http://dx.doi.org/10.1109/tie.2015.2391186.

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40

Eriksson, Sandra. "Permanent Magnet Synchronous Machines." Energies 12, no. 14 (July 23, 2019): 2830. http://dx.doi.org/10.3390/en12142830.

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Interest in permanent magnet synchronous machines (PMSMs) is continuously increasing worldwide, especially with the increased use of renewable energy and electrification of transports. This special issue contains the successful invited submissions of fifteen papers to a Special Issue of Energies on the subject area of “Permanent Magnet Synchronous Machines”. The focus is on permanent magnet synchronous machines and the electrical systems they are connected to. The presented work represents a wide range of areas. Studies of control systems, both for permanent magnet synchronous machines and for brushless DC motors, are presented and experimentally verified. Design studies of generators for wind power, wave power and hydro power are presented. Finite element method simulations and analytical design methods are used. The presented studies represent several of the different research fields on permanent magnet machines and electric drives.
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41

Mhango, L. M. C., and R. Perryman. "Innovative high-speed machines with active magnetic bearings for special submerged gas processing." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 216, no. 2 (February 1, 2002): 183–97. http://dx.doi.org/10.1243/0954406021525124.

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The combination of advances in active magnetic bearings, recent developments in power electronics technology, new design techniques of electrical machines and advances in magnetic materials is contributing to innovative forms of submerged high-speed electric drives which will be suitable for special gas processing applications well into the twenty-first century. Typical applications include submerged industrial high-pressure and high-temperature gas processes, calibration of gas meters, gas circulation in nuclear power plants, etc. This paper looks at the results of case studies of high-speed drives and discusses their benefits and advantages.
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42

Karthaus, Jan, Simon Steentjes, Daniel Gröbel, Kolja Andreas, Marion Merklein, and Kay Hameyer. "Influence of the mechanical fatigue progress on the magnetic properties of electrical steel sheets." Archives of Electrical Engineering 66, no. 2 (June 27, 2017): 351–60. http://dx.doi.org/10.1515/aee-2017-0026.

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AbstractThe purpose of this paper is to study the variation of the magnetic properties of non-oriented electrical steel sheets with the fatigue state during cyclic mechanical loading. The obtained results are central to the design of variable drives such as traction drives in electric vehicles in which varying mechanical loads, e.g. in the rotor core (centrifugal forces), alter the magnetic properties. Specimens of non-oriented electrical steel are subject to a cyclically varying mechanical tensile stress with different stress amplitudes and number of cycles. The specimens are characterised magnetically at different fatigue states for different magnetic flux densities and magnetising frequencies. The measurements show a variation in magnetic properties depending on the number of cycles and stress magnitude which can be explained by changes in the material structure due to a beginning mechanical fatigue process. The studied effect is critical for the estimation of the impact of mechanical material fatigue on the operational behaviour of electrical machines. Particularly in electrical machines with a higher speed where the rotor is stressed by high centrifugal forces, material fatigue occurs and can lead to deterioration of the rotor’s stack lamination.
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LEVY, D. V., and N. Y. LAKALINA. "DEVELOPMENT OF ELEMENTS OF AN AUTOMATED DESIGN SYSTEM FOR THE MAIN MOVEMENT DRIVES OF METAL–CUTTING MACHINES WITH THE FORMATION OF TECHNICAL DOCUMENTATION IN COMPASS–3D." Fundamental and Applied Problems of Engineering and Technology, no. 6 (2021): 26–32. http://dx.doi.org/10.33979/2073-7408-2021-350-6-26-32.

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The aim of the work was to develop elements of an automated design system for the main movement drives of metal–cutting machines. As automated subsystems, design modules for belt drives, couplings, gearboxes, spindle assemblies and a module for selecting an electric motor to drive the main movement of metal–cutting machines have been developed. Also, for all the developed modules, automated generation of design documentation in the Compass–3D system is provided, namely, parameterized 3D models and associative drawings of the elements of the main movement drives of metal–cutting machines. The developed automated design system will allow you to quickly calculate the elements of the main movement drives and will allow you to visualize the work by building 3D models of the elements that make up the drives, as well as quickly recalculate their parameters when the source data changes. Also, the elements of the developed automated design system can be used both in specialized educational institutions for the purpose of working out and visualizing the knowledge and skills acquired by students, and in machine–building enterprises for the purpose of approximate evaluation of design options at the stage of preliminary design of equipment. Users of the program can be students or employees of enterprises with a basic level of training in the technical direction.
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44

Wefky, A., F. Espinosa, L. de Santiago, P. Revenga, J. L. Lázaro, and M. Martínez. "Electrical Drive Radiated Emissions Estimation in Terms of Input Control Using Extreme Learning Machines." Mathematical Problems in Engineering 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/790526.

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With the increase of electrical/electronic equipment integration complexity, the electromagnetic compatibility (EMC) becomes one of the key points to be respected in order to meet the constructor standard conformity. Electrical drives are known sources of electromagnetic interferences due to the motor as well as the related power electronics. They are the principal radiated emissions source in automotive applications. This paper shows that there is a direct relationship between the input control voltage and the corresponding level of radiated emissions. It also introduces a novel model using artificial intelligence techniques for estimating the radiated emissions of a DC-motor-based electrical drive in terms of its input voltage. Details of the training and testing of the developed extreme learning machine (ELM) are described. Good agreement between the electrical drive behavior and the developed model is observed.
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45

Vasenin, A. B., S. E. Stepanov, and O. V. Kryukov. "COMPARATIVE ASSESSMENT OF METHODS FOR PREDICTING THE TECHNICAL CONDITION OF ELECTRIC DRIVES OF HAZARDOUS PRODUCTION FACILITIES." Kontrol'. Diagnostika, no. 269 (November 2020): 54–62. http://dx.doi.org/10.14489/td.2020.11.pp.054-062.

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The paper deals with the design of efficient and reliable systems for operational diagnostics and forecasting of the technical condition of adjustable megawatt electric drives. The statistics of failure of the most critical components of AC electrical machines – stator windings, bearings and ACS are presented. The methodology and architecture of artificial neural networks have been developed for obtaining predictive models of high-voltage synchronous machines. Examples of neuro-fuzzy prediction of the technical state and resource of stator windings and analysis of the spectral composition of the supply voltage by the series method are given. Tests of selected networks, the Box–Jenkins fuzzy model, models of the method for analyzing the dynamics of spectral components with predicting the values of current and stator temperatures are obtained. The comparative results of the analysis of the expected states of electric machines of high power, based on the consideration of various operational factors of the operation of electric drives, made it possible to develop recommendations for the use of new predictive methods.
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46

Vasenin, A. B., S. E. Stepanov, and O. V. Kryukov. "COMPARATIVE ASSESSMENT OF METHODS FOR PREDICTING THE TECHNICAL CONDITION OF ELECTRIC DRIVES OF HAZARDOUS PRODUCTION FACILITIES." Kontrol'. Diagnostika, no. 269 (November 2020): 54–62. http://dx.doi.org/10.14489/td.2020.11.pp.054-062.

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The paper deals with the design of efficient and reliable systems for operational diagnostics and forecasting of the technical condition of adjustable megawatt electric drives. The statistics of failure of the most critical components of AC electrical machines – stator windings, bearings and ACS are presented. The methodology and architecture of artificial neural networks have been developed for obtaining predictive models of high-voltage synchronous machines. Examples of neuro-fuzzy prediction of the technical state and resource of stator windings and analysis of the spectral composition of the supply voltage by the series method are given. Tests of selected networks, the Box–Jenkins fuzzy model, models of the method for analyzing the dynamics of spectral components with predicting the values of current and stator temperatures are obtained. The comparative results of the analysis of the expected states of electric machines of high power, based on the consideration of various operational factors of the operation of electric drives, made it possible to develop recommendations for the use of new predictive methods.
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47

Fedorіv, M. Y., I. D. Halushchak, and P. О. Kurliak. "The reliability increase of the electric drives for pumping units." Prospecting and Development of Oil and Gas Fields, no. 2(67) (June 5, 2018): 47–52. http://dx.doi.org/10.31471/1993-9973-2018-2(67)-47-52.

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Improving the quality and reliability of electrical machines is one of the most urgent problems of modern electrical engineering. Practical data show that the increase of service life and reliability of machines gives better results than the improvement of other technical and economic indicators: efficiency, power factor, utilization factor. The quantitative indicators of reliability can be best determined by the results of statistical processing of the information obtained when using the products. An algorithm of the load balancing based on the actual performance of pumping equipment and temporary changes in the connected load via the emergency shutdown of the pumps has been developed to improve the reliability operation and reduce inefficient energy losses. The main advantage of the proposed method is the analytical design models of optimization, which does not require numerical methods and iterative procedures. Such principles as active-preventative service and increasing personal responsibility for its quality and timeliness should be the basis for the organization of workposts service. Progressive forms of service are the technical re-equipment, modernization of equipment and improvement of production organization, as well as complex methods of the electric drive maintenance and application of the system of standardized tasks.
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48

Ivshin, Igor Vladimirovich, Andrey Michailovich Kopylov, and Alfred Robertovich Safin. "Numerical Modeling of Dynamic Processes of the Reciprocating Reversible Electrical Machine." Applied Mechanics and Materials 792 (September 2015): 134–42. http://dx.doi.org/10.4028/www.scientific.net/amm.792.134.

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Now rotational electrical machines are used mainly for the implementation a reciprocating motion of working mechanisms and also as the electric generators powered by internal combustion engines. It is achieved by means of the kinematic transfers complicating a design and reducing the drive efficiency. The use of linear reciprocating electric machines allows to eliminate these defects. It should be noted that the most effective ones are the cylindrical designs of reciprocating electric machines with permanent magnets, whose efficiency reaches 93 – 95%. However, the rarity and lack of a mass production of this machine type and special recommendations for their design causes the need of research, directed on search of optimum constructive decisions. The article describes the types of linear electrical machines and summarizes the results of numerical modeling of dynamic characteristics for the three versions of the reciprocating cylindrical machine with permanent magnets of 10 kW with the oscillation frequency of the translator 20 Hz and the length of operating cycle of 120 mm. The most effective design parameters of linear electric machine were determined on the basis of its specific characteristics and analysis of the EMF graphics shape, appearing on the stator windings in the generator mode.
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49

Zhu, Z. Q., and David Howe. "Electrical Machines and Drives for Electric, Hybrid, and Fuel Cell Vehicles." Proceedings of the IEEE 95, no. 4 (April 2007): 746–65. http://dx.doi.org/10.1109/jproc.2006.892482.

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50

Gonzalez-Prieto, Angel, Juan J. Aciego, Ignacio Gonzalez-Prieto, and Mario J. Duran. "Automatic Fault-Tolerant Control of Multiphase Induction Machines: A Game Changer." Electronics 9, no. 6 (June 4, 2020): 938. http://dx.doi.org/10.3390/electronics9060938.

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Until very recently, the fault tolerance in multiphase electric drives could only be achieved after fault localization and a subsequent modification of the control scheme. This scenario was profoundly shaken with the appearance of the natural fault tolerance, as the control reconfiguration was not required anymore. Even though the control strategy was highly simplified, it was still necessary to detect the open-phase fault (OPF) in order to derate the electric drive and safeguard its integrity. This work goes one step beyond and suggests the use of an automatic fault-tolerant control (AFTC) that also avoids the detection of the OPF. The AFTC combines the natural fault-tolerant capability with a self-derating technique, finally obtaining a hardware-free software-free fault tolerance. This achievement changes completely the rules of the game in the design of fault-tolerant drives, easing at the same time their industrial application. Experimental results confirm in a six-phase induction motor (IM) drive that the proposed AFTC provides a simple and safe manner to add further reliability to multiphase electric drives.
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