Relevant bibliographies by topics / Copper rotor induction moters

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Copper rotor induction moters'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Copper rotor induction moters"

1

Wu, Wei, Jikai Si, Haichao Feng, Zhiping Cheng, Yihua Hu, and Chun Gan. "Rotor Eddy Current Loss Calculation of a 2DoF Direct-Drive Induction Motor." Energies 12, no. 6 (March 22, 2019): 1134. http://dx.doi.org/10.3390/en12061134.

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A two-degree-of-freedom direct-drive induction motor (2DoFDDIM), whose solid rotor is coated with a copper layer, is capable of linear, rotary, and helical motions and has widespread applications. For solid-rotor motors, the calculation and analysis of rotor total eddy current loss (TECL) are crucial in studying the factors causing such a loss and possible loss reduction methods. In this study, a new nonlinear analytical method considering the saturation of the rotor core is proposed to solve the fundamental magnetic field. The new method divides the time period into segments. The magnetic field distribution at any time is obtained using Maxwell equations. The eddy current losses in the copper layer and rotor core caused by the fundamental magnetic field are calculated. The surface eddy current losses in the copper layer and rotor core caused by harmonics are calculated using a 2D analytical method. TECL is determined by the sum of eddy current and surface eddy current losses. Coefficients are utilized to consider eddy, saturation, and end-region effects when calculating the rotor core TECL. The new method is verified using 3D FEM, and the results show the proposed method has higher accuracy than the original method. The errors of the rotor core and copper layer TECLs are less than 6% and 7.3%, respectively.
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Wu, Yucai, Shuqiong Sun, Qingfei An, and Xu Lie. "Treatment Strategy Research on a Squirrel-Cage Induction Motor with Broken Rotor Bar Faults." Sensors 22, no. 12 (June 8, 2022): 4345. http://dx.doi.org/10.3390/s22124345.

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Squirrel-cage induction motors are increasingly displaying a broken rotor bar fault, which represents both a technical problem and an economic problem. After confirming that the broken rotor bars do not affect the normal start-up and basic working performance of the squirrel-cage induction motor, this paper focuses on the loss and efficiency changes of the motor brought about by the broken rotor bar fault. Using finite element simulation and experimentation, various losses like stator copper loss, iron loss, rotor copper loss, mechanical loss and additional losses, total loss and efficiency are obtained. By combining price and cost factors, the cost-effective measures that can be taken after the occurrence of different degrees of broken bars are evaluated here to provide guidance for correctly handling this problem.
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Lee, Sang Yul, and Sang Yong Lee. "A Study on the Microstructural Defects in Slots of Thixoformed Copper Rotor." Solid State Phenomena 116-117 (October 2006): 300–303. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.300.

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Cu-Ca alloys and the squirrel cage rotors for induction motors of small capacities were used for the development of thixoforming processes. Processing conditions, motor efficiency and forming defects in macro- and microscale for thixoforming of Cu-Ca rotors have been performed to investigate the microstructural features and the filling phenomena in slots of squirrel cage rotor. Inadequate filling due to the complexity of slot structure, separation of solidified metal from the slot, porosities and phase inhomogenitites were typical microstructural defects found in thixoformed Cu-Ca rotors. Exact flow control in terms of billet and die temperatures at slot gate especially, was necessary to prevent significant defects such as incomplete filling of slot.
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Leicht, Aleksander, and Krzysztof Makowski. "Influence of shape and material of rotor bars on performance characteristics of single-phase self-excited induction generators." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 38, no. 4 (July 1, 2019): 1235–44. http://dx.doi.org/10.1108/compel-10-2018-0430.

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Purpose The purpose of the paper is to present an analysis of an influence of shape and material of rotor bars on the process of self-excitation and performance characteristics of single-phase, self-excited induction generator (SP-SEIG). Design/methodology/approach The presented analysis is based on the results of transient simulations of SP-SEIG performed with the use of field-circuit model of the machine. Four various shapes of the rotor bars and two different conductor materials were investigated. The results for the base model with rounded trapezoidal rotor slots were validated by measurements. Findings An improvement of the performance characteristics – the extension of the stable operating range of the generator – was obtained for rectangular copper rotor bars. The improvement is the result of strong skin effect in the squirrel rotor cage. Application of round rotor slots results in shorter time of voltage build-up during the self-excitation of the generator caused by less apparent deep bar effect in round bars. Originality/value The originality of the paper is the application of the copper rotor cage in the single-phase, self-excited induction generator. Its use is beneficial, as it allows for extension of the range of stable operating range. The results may be used for designing new constructions of the single-phase, self-excited induction generators, as well as the constructions based on general purpose single-phase induction motors.
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Viego Felipe, Percy R., Vladimir Sousa Santos, Julio R. Gómez Sarduy, José P. Monteagudo Yanes, and Enrique Ciro Quispe. "Induction motors with copper rotor: a new opportunity for increasing motor efficiency." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 3 (June 1, 2023): 2409. http://dx.doi.org/10.11591/ijece.v13i3.pp2409-2418.

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<p>The copper rotor induction motor (CURIM) was recently introduced because it has lower rotor fusion losses than the aluminum rotor (ALRIM). Furthermore, with CURIM, it is easier to reach IE4 and IE5 efficiency levels. The CURIM is advantageous for compact motors, escalators, and electric vehicle applications. However, CURIMs present slip, power factor, temperature increase, and torque decrease problems that must be analyzed. This study compared the economic feasibility of using CURIM with ALRIM by applying discount techniques. A case study was carried out in a sugar company with a cyclical operation, where 5.5 kW motors will be installed in the intermediate conductors of the mill's feeders. The facility works three shifts between 3 and 6 months. The cost increase (DCI) of CURIM over ALRIM was between 1.1 and 1.5 times. With 3,600 h/year and 4,000 h/year of operation, the DCI greater than 10%, it was found that the payback is more than four years, and the net present value (NPV) grows linearly.</p>
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Bernatt, Jakub, Stanisław Gawron, Tadeusz Glinka, and Artur Polak. "Traction induction motor." MATEC Web of Conferences 180 (2018): 04005. http://dx.doi.org/10.1051/matecconf/201818004005.

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The paper presents a traction induction motor with an innovative rotor winding design. The winding of the rotor is almost identical to the armature winding in the dc traction motors, with the exception of commutator. Winding is double layered. The bars are insulated. Along the iron core bars are secured with wedges and in the winding outhang with bandages. The bars of the bottom layer in the winding outhang part near the iron core are bent radially in the direction of the shaft axis. On the winding outhang of the bottom layer an inner bandage is applied. On the winding outhang of the top layer an outer bandage is applied. All the ends of the bottom and top layers bars, on both sides of the rotor’s core, are connected together by ferrule. There is a ring placed on the shaft or on the coil support on one side of the rotor’s core. It is best if this ring is made of copper. The ring is characterized by mp tongues, which are distributed evenly along its circumference (p is number of winding pole pairs and m is number of rotor winding phases). Tongues are connected to equally uniformly placed ferrules. Bandages are made of carbon fibre or glass fibre tape.
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Lee, Sang Yul, and Sang Yong Lee. "Filling and Solidification Characteristics during Thixoforming of Copper Rotor for the Electrical Motors." Solid State Phenomena 116-117 (October 2006): 652–55. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.652.

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Filling and solidification phenomena during thixoforming of copper rotor for small sized induction motors have been analyzed and characterized by experiment and computer simulation. Forming defects in slots of thixoformed rotor were examined by microstructural observation. Most filling and solidification failures were mainly related to complexity in slurry flows through slots in rotor core. Computer simulation with single slot model showed the effects of die temperature and ram speed on the filling characteristics clearly. Simulations with flow guide model showed that the control of filling velocity of slurry at slot and the consideration of possible differences in flow velocity in each slot are important.
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DEKHANDJI, Fatma Zohra, and Hamid BENTARZI. "Theoretical and Experimental Investigation of the Supply Voltage Unbalance Effects on Squirrel Cage Induction Motors." Algerian Journal of Signals and Systems 4, no. 2 (December 15, 2019): 51–60. http://dx.doi.org/10.51485/ajss.v4i2.82.

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Voltage unbalance is one of the power quality problems causing a lot of ill effects on induction motors. These are namely: Overheating, line-current unbalance, derating, torque pulsation, and inefficiency. The objective of the present work is to assess and quantify the effects of voltage unbalance on induction motors using both theory and experimentation. The analytical study is performed using the complex voltage unbalance factor model of this problem. The work deals specifically with the influence of the variations in the complex angle of the voltage unbalance factor on the stator and rotor currents, stator and rotor copper losses and total losses. The experimental investigation is carried out using an apparatus that measures currents, torque and power losses.
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Maestre-Cambronel, Daniel, Jhan Piero Rojas, and Jorge Duarte-Forero. "EVALUATION OF FAULTS IN THE SQUIRREL CAGE THREE-PHASE INDUCTION MOTORS." Revista Ingenierías Universidad de Medellín 21, no. 40 (December 6, 2021): 126–42. http://dx.doi.org/10.22395/rium.v21n40a8.

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Induction motors have played a central role in the techno-economic development of modern industries and electric power generation. However, the presence of recurring failures hinders a cost-effective performance and leads to catastrophic damage. Therefore, the present study proposed an assessment to investigate the influence of two types of failures in induction motors, namely failure due to broken bars in the rotor and defects in the connection between the rotor bars and the end ring. Accordingly, a three-phase induction motor was evaluated under different failure conditions that modified the operational torque and rotational speed. The results indicated that both types of failures magnify both the core and copper power losses by up to 13.3 % and 8 %, respectively, compared to the healthy condition. On the other hand, an efficiency reductionbetween 1.94 % to 3.41 % is an indication of failure progression. Finally, the appearance of harmonics 3 and 7, and the intensified magnitude of harmonic 5, represent a clear sign of failure occurrence related to rotor barsand defects in the connection to the end ring. In conclusion, the proposed methodology proved to be an adequate tool to predict failure appearance, which has a direct impact on extending the lifetime of induction motors.
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Ocak, Cemil. "A FEM-Based Comparative Study of the Effect of Rotor Bar Designs on the Performance of Squirrel Cage Induction Motors." Energies 16, no. 16 (August 18, 2023): 6047. http://dx.doi.org/10.3390/en16166047.

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Induction motors (IM) are the most frequently used type of motor in the industry. The number of rotor slots, bar geometry, and conductivity of bar material have a strong impact on the torque profile and efficiency characteristics of induction motors. This study focused on investigating the effect of different rotor bar designs on motor performance by the finite element method (FEM). The IMs have been designed using the same stator core, winding, and core lengths. The total rotor bar cross-section areas are also fixed throughout all designs. In addition to the change in the number of rotor bars and geometry, the effect of copper and aluminum bar materials on motor performance was also investigated, both for single and double-layered squirrel-cage structures. The results of the study indicate that the starting torque of the motor in a 36/30-slot aluminum single-cage structure was obtained as 96.26 Nm, while the starting torque of a 36/46-slot aluminum double-cage structure was found to be 115.34 Nm. It is also found that the starting torque of the initial design can be increased by up to 19.82% by changing only the rotor bar numbers and material with the same stator and rotor size. The efficiency of the motors was determined as 86.6% for both designs. In addition to efficiency, the output torque ripple has been decreased to 2.63, which equals a 67.32% decrease in the ripple of the initial design. The improved design has an approximately 8 °C lower T2 due to better cooling performance as a result of a higher number of rotor slots.
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Dissertations / Theses on the topic "Copper rotor induction moters"

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Stening, Alexander. "On Inter-bar Currents in Induction Motors with Cast Aluminium and Cast Copper Rotors." Licentiate thesis, KTH, Electrical Machines and Power Electronics, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-13401.

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This thesis presents a study of the effects of inter-bar currents on inductionmotor starting performance and stray-load losses. The work is focused on theperformance differences between aluminium and copper casted rotors.A method to predict the stator current when starting direct-on-line isdeveloped. This includes modelling of skin-effect, saturation of the leakageflux paths and additional iron losses. The results are verified by measurements.An analytical model accounting for inter-bar currents is derived, andthe dependency of the harmonic rotor currents on the inter-bar resistivity isinvestigated. It is found that the inter-bar currents can have considerableeffect on motor starting performance and stray-load losses, the amount beingstrongly dependent on the harmonic content of the primary MMF.Based on measurements of inter-bar resistivity, the starting performanceof an aluminium and a copper casted rotor is simulated. The results indicatea higher pull-out torque of the aluminium rotor than for the equivalent copperrotor. This is rather due to an increase of the fundamental starting torque ofthe aluminium rotor, than due to braking torques from the space harmonicsin the copper rotor. The results are verified by measurements. It is foundthat the difference between the pull-out torques is even larger than calculatedfrom the model. Thereby, it can be concluded that the inter-bar currents havea considerable effect on motor starting performance.At rated speed the braking torques are larger in the aluminium rotor thanin the copper rotor. This is seen as increased harmonic joule losses in the rotorcage. Simulations have shown, that these losses can be as large as 1% ofthe output power for the studied machine.


QC20100617
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Stening, Alexander. "Analysis and Reduction of Parasitic Effects in Induction Motors With Die-Cast Rotors." Doctoral thesis, KTH, Elektrisk energiomvandling, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-119603.

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This thesis presents a study of inter-bar current effects on induction motors with die-cast aluminium and die-cast copper rotors. The parasitic effects introduced by these currents are analyzed and possible solutions to these problems are presented. This is realized by developing analytical tools for the simulation of inter-bar current effects. The methods used are verified by measurements on prototype machines. It is shown that the inter-bar currents can have a considerable effect on the motor starting performance, which can result in a reduced pull-out torque. At rated operation, this is seen as increased harmonic rotor currents, having a negative effect on the motor performance. Results from calorimetric measurements show, that the efficiency gained when substituting a skewed die-cast aluminium rotor with a skewed die-cast copper rotor, is less than the theoretical expectation. It is shown that this is a result of a reduced power factor for the copper rotor. High inter-bar currents are believed to be the origin of this effect, increasing the harmonic content in the rotor magnetomotive force. This would be seen as an increased rotor leakage reactance. Results from locked-rotor tests, and simulations using measured values of inter-bar resistance, support this theory. It is shown, that these negative effects are suppressed to a negligible level by the use of an unskewed rotor, but to the expense of a large synchronous torque at a low speed. By using a modulated rotor concept, having an asymmetrical rotor slot distribution, an unskewed rotor is designed to reduce this parasitic torque. Measurements on a prototype machine show that the modulated rotor suppresses both the inter-bar currents and the synchronous torque, resulting in an improved starting performance, without any significant change of the motor efficiency. The presented results strengthen the potential of the modulated rotor concept, introducing new possibilities for the reduction of negative effects appearing in induction machines.

QC 20130320

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Klusáček, Jiří. "Návrh a analýza vysokorychlostního asynchronního motoru." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219182.

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Classical series production induction motors are usually adequate to most of the industrial application by range of rpm. For application requiring higher speed is traditionally used gearbox which is between motor and driven equipment. Nowadays, where are settings demands on efficiency operations and the most easily maintainance, so aim is to join driven equipment narrow with motors. When operating motors over 3000 rpm there are some proper problems. Generally, there is higher losses due to supply voltage from frequency converters and mechanically strength of rotor. This thesis provides a view on existing solutions of high speed induction machines. In the text there are mentioned options of using laminated rotor and solid rotor. Due to regard to angular speed of rotor there are mentioned the most important equations and knowledge, which are related to a mechanical strength of used materials and dimensions of machines. Later on is there mentioned groundwork, which when we are respecting them, we may improve the efficiency of machine. In this thesis is mentioned design, analyses and manufacturing process of high speed induction motor with solid rotor and copper layer at the surface. After that there are simulation of electromagnetic field through the use of finite element method in program FEMM. In the last chapter there are presented measured data of manufactured high speed motor and they are compared with calculations.
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Trn, Ondřej. "Studie využití měděných tyčí a soustředěného vinutí v asynchronním motoru." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-403758.

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This diploma thesis deals with the possibility of using a concentrated winding in an induction motor and the use of copper bars in a rotor cage. The first part of the thesis explains the basic theoretical knowledge of the operation and principle of the induction machine. In this theoretical part we will learn what is actually a concentrated winding and how it is placed on the stator. The second part is focused on the analytical design of the machine with classical distributed winding and with concentrated winding. The third theoretical part is an introduction to the issue of influencing the motor harmonics. The last final part of the thesis shows differences in operational properties of designed machines.
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Svoreň, Jan. "Návrh vysokootáčkového asynchronního motoru." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219753.

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This work deal with troubleshooting of problem parts of high-speed induction machines. Introduction is about conception of induction machines with reference to construction specialities due to high rpm and because machines are fed by inverter. Next part is focused to design problems. A classical induction machine was measured to determination change of various losses in classic and high-speed induction machines. The computation of laboratory sample high-speed motor was specified for calculation of effective resistance and leakage reactance of solid-steel rotor with copper layer. The results of numerical calculation were validated by using finite elements method and machine design was adjusted for improving operation characteristic.
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Varghese, Soby T. "Design, development and control of copper rotor induction moters for electric vehicle." Thesis, 2017. http://localhost:8080/xmlui/handle/12345678/7474.

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TSAI, CHENG-CHE, and 蔡承哲. "Study on Improving Efficiency of Three Phase Induction Motors with Copper Rotor for Aerospace." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/84746868824482393296.

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碩士
大葉大學
電機工程學系
98
Abstract This paper presents the analysis of the characteristic equation of copper rotor three phase induction motors established by equivalent circuit. In addition, this paper also shows the influence of the materials and sizes of squirrel-cage rotor copper bars on motor performances. Even though the copper rotors are not currently widely-used, increasing the efficiency of motors has become a crucial issue. The copper rotors may gradually take place of aluminum rotors. Thus it is important to do research in the characteristics of copper rotors. Induction motors are popular not only in industries but also in daily life. It is environmental-friendly and power-saving to increasing the efficiency of induction motors. This paper discusses and analyzes the change of torque characteristics on a 200W/12pole copper rotor three phase induction motor with different the rotor materials and stator windings. Therefore, we may be able to know more about the influence of copper rotors on the torque characteristics of induction motors. Simulation software can also help to simulate and calculate the other characteristics of induction motors, such as current, power or power factors, etc. Besides, we also focus on factors for influencing efficiency. Next we do experiments to prove the analysis of equivalent circuit and simulation. For example, DC test, lock-rotor test, no-load test and increase-load test, and so on. These tests prove that equivalent circuit shows the data that affects efficiency. Moreover, with modifying the data for simulation software, we can know more information about data for influences and value of improving efficiency by modifying motors. Key words: three phase induction motor, squirrel-cage rotor copper bar, efficiency of three phase induction motor.
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Chu, ChinMeng, and 朱智盟. "Design, Analysis and Vector Control of Three-phase Induction Motors with Copper Rotor for Electric Vehicles." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/01474453913034317153.

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碩士
大葉大學
電機工程學系
99
This thesis studies the design, analysis process, and vector control of an induction motor applied to an electric vehicle. Electric cars should have high power density and high efficiency. In order to achieve these requirements, we raise the stator winding slot rate and use the high-grade thin silicon of steel to reduce core loss. In addition, stator windings use short-pitch and double-layered windings of design to reduce the primary wire loss and high frequency harmonics. To increase conductivity and reduce the secondary wire loss, rotor winding is also used by copper rotor. This design is the electric vehicle of induction motor that contains a 3-phase 4-pole, continuous power output 35 kW, maximum power 105kW and efficiency higher than 94%. It explains that the motor design, electromagnetic field and equivalent circuit analysis points. Eventually, we conduct the characteristic Simulation and measuring. In the motor vector of control research, first of all, we understand the three-phase induction motor vector control of coordinate transformation theory, which contains PARK, CLACK conversion and PI control etc. Then we discussed for the amount of scalar, direct and indirect field-oriented control.Finally, using the MATLAB / SIMULINK conduct the Simulation and Analysis for motor open loop, closed-loop and Field-oriented speed control system, and we discussed for the dynamic response under different loading.
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Cai, Wun-Jhang, and 蔡文章. "Copper Rotor Tunning Field Oriend Control Using Induction Motor Drive." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/7t832a.

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碩士
國立高雄應用科技大學
電機工程系博碩士班
102
Recently, issues such as saving energy and reducing emissions have become more important. Developing electric vehicles (EV) can reduce gasoline consumption and emissions of carbon dioxide to resolve the problems of energy crisis and climate changes .Also, replacing the traditional material used of aluminum in induction motor with copper can improve its capability for EVs. And the control strategies of the high efficiency motor play an important role in the development of high performance EV power trains .Therefore, this study presents field oriented control (FOC) based on space vector pulse width modulation (SVPWM) for high efficiency copper rotor induction motor (CRIM).First, we used MATLAB Simulink to simulate FOC scheme that provide three-phase induction motor individual control of torque producing and flux producing component just like DC motor. Second, we embedded the control software in TMS320F28335 high performance digital signal processor (DSP) which produced by Texas Instrument and test the operation characteristic of FOC base on SVPWM for CRIM.
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張明裕. "Study of Squirrel Cage Induction Motor Performance with Die-cast Copper Rotor." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/58612690784549694734.

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碩士
國立彰化師範大學
電機工程學系
101
In this thesis, the effect of different rotor conductor materials for the motor characteristics is studied. During the experiment, two induction motors are drived to measurement, a induction motor are installed by aluminum rotor and the other one is by copper rotor, and an inverter is used to drive them to operate at various speeds to measure the motor phase current as well as the size of the input power, and the measured induction motor in the long-term operation under conditions of temperature changes, to observe the rotor conductor material for induction motor. A 2-pole, 370 W induction motor is choose, which installed by aluminum die-cast rotor and copper die-cast rotor induction motors respectively. By the experiment results, the average input power of die-cast copper rotor induction motor is 93.3 % to die-cast aluminum rotor induction motor, and the average phase current is 97.8 % to die-cast aluminum rotor induction motor. Finally, when motor operate one hour without cooling fan, the temperature of die-cast copper rotor induction motor is lower 0.7℃ than die-cast aluminum rotor induction motor.
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Book chapters on the topic "Copper rotor induction moters"

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Parasiliti, Francesco, and Marco Villani. "Design of High Efficiency Induction Motors with Die-Casting Copper Rotors." In Energy Efficiency in Motor Driven Systems, 144–51. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55475-9_22.

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Bárta, Jan, and Čestmír Ondrůšek. "Finite Element Analysis of High-Speed Solid Rotor Induction Machine with Copper Cage." In Advanced Mechatronics Solutions, 195–200. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23923-1_29.

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Kumar, Manish, Bhavnesh Kumar, and Asha Rani. "Loss Minimization Strategy for Induction Motor-Driven Electric Vehicles." In Futuristic Technology Perspectives on Entrepreneurship and Sustainable Innovation, 130–47. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-5871-6.ch009.

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This chapter presents a loss model control (LMC) strategy for electric vehicles driven by poly-phase induction motors. The LMC is a widely used strategy for loss minimization of induction motor drives. The conventional LMC approach of reducing losses by minimizing the rotor flux/magnetizing current leads to surplus power loss caused by sudden increase in stator current during transient states. Therefore, to overcome the challenges, a new approach of LMC is presented for efficiency enhancement by equalizing the motor core losses and the copper losses. Furthermore, grasshopper optimization algorithm (GOA) is used to tune the PI controller that determines the optimal flux level for good efficiency. Compared with nominal flux operation, the proposed LMC is efficient, fast, and has smooth flux adaptation with high accuracy, versatile implementation, and can withstand transient mode. Simulation studies are performed on 5Hp IM using the proposed LMC method. The test results are provided and compared with the nominal flux method to validate the effectiveness of the proposed LMC.
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Conference papers on the topic "Copper rotor induction moters"

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Rivera-Nieves, Amarilys, Rolando Cordero-Vazquez, Gerardo Carbajal, Edwar Romero, Michael R. Neuman, and Robert O. Warrington. "Micro-Rotational Generator." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65043.

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Energy harvesting is a relatively new research area that extracts energy from the surroundings to power autonomous systems. This project presents a generator that harnesses the motion of high speed rotational motors for machine health monitoring. Wireless accelerometer-based sensors for detecting crack initiation on rotating shafts are typically limited by the battery finite lifetime. Miniature generators attached to rotating shafts can scavenge small amounts of energy for powering such monitoring systems. Electromagnetic induction approaches (using coils and magnets) have been widely described in literature for larger machines but few at the micro-scale. This paper investigates a multiple-pole permanent magnet design with multiple-stacks of planar coils for energy generation without using Silicon-based processing at the micro-scale. Planar coils are manufactured from 18μm thick Copper-clad on 25μm thick polyimide. The 25mm diameter coils were stacked and bonded with cyanoacrylate for a stacked thickness of 360μm. The rotor was made of a 25mm in diameter (2mm thick) CNC machined PMMA disk with 20 slots (1mm×2mm×6mm) for placing commercial NdFeB permanent magnets. The entire generator had a volume smaller than 1.5cm3. Experimental results show that the generator is capable of producing an average voltage output of 15.5V and 727mW of power (with a matching load) at a constant rotational speed of 29,500rpm.
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Kirtley, James L., Richard F. Schiferl, Dale T. Peters, and Edwin F. Brush. "The Case for Induction Motors with Die-cast Copper Rotors for High Efficiency Traction Motors." In SAE World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2009. http://dx.doi.org/10.4271/2009-01-0956.

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Liang, Daniel, Xu Yang, Jiabin Yu, and Victor Zhou. "Experience in China on the die-casting of copper rotors for induction motors." In 2012 XXth International Conference on Electrical Machines (ICEM). IEEE, 2012. http://dx.doi.org/10.1109/icelmach.2012.6349874.

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Liang, Daniel, and Victor Zhou. "Recent market and technical trends in Copper Rotors for High-Efficiency Induction Motors." In 2018 International Power Electronics Conference (IPEC-Niigata 2018-ECCE Asia). IEEE, 2018. http://dx.doi.org/10.23919/ipec.2018.8507879.

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Kirtley, J. L., J. G. Cowie, E. F. Brush, D. T. Peters, and R. Kimmich. "Improving Induction Motor Efficiency with Die-cast Copper Rotor Cages." In 2007 IEEE Power Engineering Society General Meeting. IEEE, 2007. http://dx.doi.org/10.1109/pes.2007.385767.

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Kane, Makarand. "Design of copper rotor induction motor for mild-hybrid electric vehicle." In 2015 IEEE International Transportation Electrification Conference (ITEC). IEEE, 2015. http://dx.doi.org/10.1109/itec-india.2015.7386929.

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Popescu, Mircea, Nicolas Riviere, Giuseppe Volpe, Marco Villani, Giuseppe Fabri, and Lino di Leonardo. "A Copper Rotor Induction Motor Solution for Electrical Vehicles Traction System." In 2019 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2019. http://dx.doi.org/10.1109/ecce.2019.8912248.

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Bilek, V., J. Barta, P. Losak, I. Lolova, M. Kroupa, and G. Bramerdorfer. "Design of Modular High-Speed Copper Coated Solid Rotor Induction Machine." In 2022 International Conference on Electrical Machines (ICEM). IEEE, 2022. http://dx.doi.org/10.1109/icem51905.2022.9910743.

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Zhang, Dongdong, Haisen Zhao, and Thomas Wu. "The rotor copper and iron loss analysis of inverter-fed induction motor considering rotor slip frequency." In 2017 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2017. http://dx.doi.org/10.1109/ecce.2017.8096465.

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Riviere, Nicolas, Marco Villani, and Mircea Popescu. "Optimisation of a High Speed Copper Rotor Induction Motor for a Traction Application." In IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2019. http://dx.doi.org/10.1109/iecon.2019.8927627.

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Reports on the topic "Copper rotor induction moters"

1

Upadhyay, Piyush. Manufacturing Hybrid Copper-Aluminum Rotors for High Power Induction and Permanent Magnet Electric Motors - CRADA 475. Office of Scientific and Technical Information (OSTI), December 2020. http://dx.doi.org/10.2172/1867254.

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