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Artykuły w czasopismach na temat „Switched mode power supply”

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Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 20 lutego 2023

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1

Che Husin, Mohd Fikri, Faizah Abu Bakar, A. F. Hasan, Rizalafande Che Ismail, Tg Muhd Aiman Tg Mohd Yusof, Mohd Norhafiz Hashim i Muhd Firdaus Mohd Radzi. "Energy Saving Switched-Mode Regulator in Motorcycle Power Supply". Applied Mechanics and Materials 815 (listopad 2015): 359–63. http://dx.doi.org/10.4028/www.scientific.net/amm.815.359.

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A new approach to designing Switched-Mode Power Supply (SMPS) for motorcycle power supply is presented. It uses an alternative way to efficiently regulate power output from a stator generator instead of using conventional Power Rectifier Regulator (PRR). Energy saving switch mode regulator shown the fuel consumption were less used compared using conventional PRR from several experiments using an alpha prototype of SMPS.

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2

Takeshita, Takaharu, Akira Usui i Nobuyuki Matsui. "Software controlled switched-mode power supply using DSP". Electronics and Communications in Japan (Part I: Communications) 84, nr 4 (2000): 22–31. http://dx.doi.org/10.1002/1520-6424(200104)84:4<22::aid-ecja3>3.0.co;2-8.

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Singh, Shikha, Bhim Singh, Gurumoorthy Bhuvaneswari i Vashist Bist. "Power corrected bridgeless converter based switched mode power supply factor". IET Power Electronics 9, nr 8 (czerwiec 2016): 1684–93. http://dx.doi.org/10.1049/iet-pel.2014.0933.

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4

Pavlova, Z. S., A. V. Fedorov, V. V. Davydov i A. V. Moroz. "Modular Switched Mode Power Supply For Diode-Pumped Lasers". Photonics Russia 13, nr 1 (2019): 42–47. http://dx.doi.org/10.22184/fros.2019.13.1.42.47.

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5

Bunlaksananusorn, C., D. E. Macpherson i F. Fisher. "Voltage-injection control for switched-mode power-supply applications". IEE Proceedings - Electric Power Applications 147, nr 6 (2000): 486. http://dx.doi.org/10.1049/ip-epa:20000640.

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6

Singh, Shikha, Bhim Singh, G. Bhuvaneswari i Vashist Bist. "Improved Power Quality Switched-Mode Power Supply Using Buck–Boost Converter". IEEE Transactions on Industry Applications 52, nr 6 (listopad 2016): 5194–202. http://dx.doi.org/10.1109/tia.2016.2600675.

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7

Singh, Shikha, Bhim Singh, G. Bhuvaneswari i Vashist Bist. "Power Factor Corrected Zeta Converter Based Improved Power Quality Switched Mode Power Supply". IEEE Transactions on Industrial Electronics 62, nr 9 (wrzesień 2015): 5422–33. http://dx.doi.org/10.1109/tie.2015.2415752.

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8

Goff, Daniel T., Steve J. A. Majerus i Walter Merrill. "A 200 °C Quad-Output Buck Type Switched Mode Power Supply IC". Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2014, HITEC (1.01.2014): 000022–27. http://dx.doi.org/10.4071/hitec-ta16.

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A high temperature (>200 °C), quad-output, buck type switched-mode power supply (SMPS) IC capable of operating over a wide input supply range of 6 V to 15 V is described. The IC is a compact power supply solution for multi-voltage microprocessors, sensors, and actuators. The SMPS topology is a 112 kHz fixed-frequency, synchronous buck converter with slope compensation. A novel internal feedback design enables the output voltages to be pin-programmed to one of three common supply voltages—5 V, 3.3 V, or 1.8 V—while an external resistor divider can also be used for arbitrary voltage programming. Integrated power supply output MOSFET switches minimize the external part count and synchronous rectification reduces power dissipation and improves current capacity. The IC was fabricated in a conventional, low-cost, 0.5 μm bulk CMOS foundry process. Patented circuit design techniques allow the IC to operate in excess of 200 °C and circuit operation was demonstrated at ambient temperatures up to 225 °C. The foundry process is optimized for 5 V applications, however, the IC accepts input voltages up to 15 V and can produce outputs up to 10 V by utilizing extended drain single- and double-sided NMOS and PMOS transistors for the linear regulator pass transistor, error amplifier, and SMPS switches. The high-side FETs are controlled through capacitive coupled level shift circuits to ensure the gate-oxide voltage limits are not exceeded while still maintaining fast signal transitions. The IC also includes a tunable, 25 MHz monolithic oscillator that is programmable over a SPI serial interface. The oscillator bias current is comprised of a programmable constant-gm bias current and a programmable PTAT bias current. The programmability can be used to set the oscillation frequency, but can also be used together with a calibration curve on a microcontroller to achieve a more stable oscillation frequency over temperature. The output current of the quad SMPS was limited to 70 mA by a lower than expected saturation current of the extended-drain PMOS switch devices. The system showed good line regulation (<0.1%) and 50% load step response stability (+/− 100 mV) at a nominal output current of 50 mA when tested at 200 °C ambient.

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9

Sasikala, K., i R. Krishna Kumar. "An Improved Power Factor Correction for Interleaved Flyback Switched Mode Power Supply". International Journal of Engineering & Technology 7, nr 3.27 (15.08.2018): 166. http://dx.doi.org/10.14419/ijet.v7i3.27.17752.

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Nowadays the use of electronic equipment finds a progressive development in the modern world. Hence it becomes a mandate to check whether the harmonic content of line current of any electronic device which is connected to the ac supply meets the appropriate standards. This demand is satisfied by implementing the Power Factor Correction (PFC) circuit in order to make the input current to be in sinusoidal in nature and in-phase with the input voltage. Numerous solutions are available to make the line current almost sinusoidal. This paper deals with the inclusion of passive PFC in the interleaved Fly back SMPS to improve the power factor. The proposed work also examines the reduction of current ripple at the output using interleaved converter.

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10

Miyazaki, T., K. Yamauchi, S. Arakawa, Y. Yoshizawa i S. Nakajima. "Development of amorphous toroidal core for switched mode power supply." Bulletin of the Japan Institute of Metals 26, nr 4 (1987): 299–301. http://dx.doi.org/10.2320/materia1962.26.299.

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11

ra, M. Mee, i Dr M. Murugan andam. "SEPIC Converter Based Switched Mode Power Supply Design for Battery". International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering 04, nr 02 (20.02.2015): 679–86. http://dx.doi.org/10.15662/ijareeie.2015.0402025.

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12

Ramkumar, M., i K. N. Srinivas. "Modular switched mode power supply, tested with DC motor load". International Journal of Power Electronics 11, nr 3 (2020): 359. http://dx.doi.org/10.1504/ijpelec.2020.10027751.

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13

Srinivas, K. N., i M. Ramkumar. "Modular switched mode power supply, tested with DC motor load". International Journal of Power Electronics 11, nr 3 (2020): 359. http://dx.doi.org/10.1504/ijpelec.2020.106226.

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14

Mazzola, Enrico, Flavia Grassi i Alessandro Amaducci. "Novel Measurement Procedure for Switched-Mode Power Supply Modal Impedances". IEEE Transactions on Electromagnetic Compatibility 62, nr 4 (sierpień 2020): 1349–57. http://dx.doi.org/10.1109/temc.2019.2941449.

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15

., Deeksha. "SOLAR POWERED SWITCHED MODE POWER SUPPLY TO RUN RASPBERRY PI". International Journal of Research in Engineering and Technology 06, nr 06 (25.06.2017): 43–45. http://dx.doi.org/10.15623/ijret.2017.0606008.

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16

Kalpana, R., Bhim Singh i G. Bhuvaneswari. "Direct Single-stage Power Converter with Power Factor Improvement for Switched Mode Power Supply". Journal of Electrical Engineering and Technology 5, nr 3 (1.09.2010): 468–76. http://dx.doi.org/10.5370/jeet.2010.5.3.468.

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17

Kim, Myunghoi, Dongkyu Roh, Sungseok Jeong i Kyumin Kwak. "Common-Mode Noise Suppression in Switched-Mode Power Supply Boards Using Segmentation Method". Journal of Korean Institute of Electromagnetic Engineering and Science 29, nr 2 (luty 2018): 142–45. http://dx.doi.org/10.5515/kjkiees.2018.29.2.142.

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18

Kuang, Yi, Zhiyong Johnny Zhang, Bin Duan i Pei Zhang. "Fuzzy Cognitive Maps-Based Switched-Mode Power Supply Design Assistant System". IEEE Access 8 (2020): 183014–24. http://dx.doi.org/10.1109/access.2020.3029090.

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19

Singh, S., G. Bhuvaneswari i B. Singh. "Analysis and Design of Bridgeless Switched Mode Power Supply for Computers". Journal of The Institution of Engineers (India): Series B 95, nr 3 (21.06.2014): 175–84. http://dx.doi.org/10.1007/s40031-014-0096-x.

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20

Zeng, Ying, Yan‐Feng Li, Xiang‐Yu Li i Hong‐Zhong Huang. "Tolerance‐based reliability and optimization design of switched‐mode power supply". Quality and Reliability Engineering International 35, nr 8 (2.09.2019): 2774–84. http://dx.doi.org/10.1002/qre.2556.

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21

Narula, Swati, Bhim Singh i Gurumoorthy Bhuvaneshwari. "Interleaved CSC converter‐based power factor corrected switched mode power supply for arc welding". IET Power Electronics 9, nr 12 (październik 2016): 2404–15. http://dx.doi.org/10.1049/iet-pel.2015.0510.

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22

Singh, Shihka, Bhim Singh, G. Bhuvaneswari i Vashist Bist. "Power Quality Improvement in Bridgeless Ac–Dc Converter Based Multi-output Switched Mode Power Supply". International Journal of Emerging Electric Power Systems 15, nr 6 (1.12.2014): 533–44. http://dx.doi.org/10.1515/ijeeps-2014-0124.

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Abstract Computer power supplies are required to have multiple isolated regulated dc voltages with low ripple content and high input power factor at the utility interface. A dc–dc converter is used for obtaining these isolated multi-output dc voltages with excellent regulation. In this paper, a non-isolated ac–dc converter is proposed as the first stage converter to obtain a regulated dc output rather than using a simple uncontrolled diode bridge rectifier at the front end. A dc–dc converter is used at the second stage that has a high frequency transformer with multiple secondary windings to obtain different dc voltage levels at the output. The proposed bridgeless converter based power supply is designed using fundamental design equations, and different component values are calculated. Extensive simulations are carried out to demonstrate the improved performance of the proposed bridgeless converter based multi-output computer power supply at varying source voltages and load conditions. Experimental validation of the power supply is carried on a developed hardware prototype, and the test results are compared with the simulated performance for design verification.

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23

Liou, James J. H., Perry C. Y. Liu i Huai-Wei Lo. "A Failure Mode Assessment Model Based on Neutrosophic Logic for Switched-Mode Power Supply Risk Analysis". Mathematics 8, nr 12 (1.12.2020): 2145. http://dx.doi.org/10.3390/math8122145.

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Reducing the potential risks in the manufacturing process to improve the reliability of the switched-mode power supply (SMPS) is a critical issue for the users’ safety. This paper proposes a novel failure mode and effects analysis (FMEA) model based on hybrid multiple criteria decision-making (MCDM), which adopts neutrosophic set theory into the proposed model. A developed neutrosophic Best Worst method (NBWM) is used to evaluate the weights of risk factors and determine their importance. Secondly, the neutrosophic Weight Aggregated Sum Product Assessments (NWASPAS) method is utilized to calculate the Risk Priority Number (RPN) of the failure modes. The proposed model improves the shortcomings of traditional FMEA and improves the practical applicability and effectiveness of the Best Worst method (BWM) and Weight Aggregated Sum Product Assessments (WASPAS) methods. In addition, this study uses neutrosophic logic to reflect the true judgments of experts in the assessment, which considers authenticity, deviation, and uncertainty to obtain more reliable information. Finally, an empirical case study from an SMPS company headquartered in Taiwan demonstrates the effectiveness and robustness of the proposed model. In addition, by comparing with two other FMEA models, the results show that the proposed model can more clearly reflect the true and effective risks in the assessment. The results can effectively help power supply manufacturers to assess risk factors and determine key failure modes.

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24

Kumar, Prof B. Sampath, i Mr P. B. Vyavahare. "Harmonics Reduction and Power Factor Improvement of Switch Mode Power Supply by Using Zeta Converter". International Journal of Trend in Scientific Research and Development Volume-3, Issue-4 (30.06.2019): 697–99. http://dx.doi.org/10.31142/ijtsrd23891.

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25

R, Anusha, A. Majitha Farven, Radhika M, Susmitha G i Mrs Chitravalavan C. "Design of Switched Mode Power Supply using FPGA Based Fuzzy Logic Controller". IJIREEICE 5, nr 3 (15.03.2017): 76–79. http://dx.doi.org/10.17148/ijireeice.2017.5317.

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26

AI, Xuezhong, Mengke YANG, Zhidong LIU i Xueqiang LI. "Modelling and control safety of digital push-pull switched mode power supply". European Journal of Electrical Engineering 19, nr 5-6 (30.12.2017): 341–55. http://dx.doi.org/10.3166/ejee.19.341-355.

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27

Liao, Wei-Hsin, Shun-Chung Wang i Yi-Hua Liu. "Generalized Simulation Model for a Switched-Mode Power Supply Design Course Using MATLAB/SIMULINK". IEEE Transactions on Education 55, nr 1 (luty 2012): 36–47. http://dx.doi.org/10.1109/te.2011.2115243.

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28

Singh, Shikha, Vashist Bist, Bhim Singh i Gurumoorthy Bhuvaneswari. "Power factor correction in switched mode power supply for computers using canonical switching cell converter". IET Power Electronics 8, nr 2 (luty 2015): 234–44. http://dx.doi.org/10.1049/iet-pel.2014.0123.

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Yu Brostilova, T., V. A. Ageev, S. V. Golobokov i M. V. Sotnikov. "The efficiency of electric power supply with the transmission of peak loads to distributed generation". IOP Conference Series: Earth and Environmental Science 866, nr 1 (1.10.2021): 012032. http://dx.doi.org/10.1088/1755-1315/866/1/012032.

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Abstract A model of a radial power supply system in MatLAB was compiled to perform the research. The transformer substation is represented by a step-down transformer, the load of the substations in the form of a resistance. Electricity is transmitted to the substations along three power transmission lines. The power center is represented by an ideal source. A reserve source of limited power is connected to the remote substation. We made calculations of the voltage drop in the lines, voltage at the inputs of substations and electricity losses for transit. The study of the radial power supply system was performed in the daytime maximum mode; the minimum load mode was performed at night and in the peak load mode. As a result of modeling the operating modes, the indicators of the classical radial power supply scheme were compared with the indicators of the system when the local generation facilities were switched on during the working shift or during peak hours. Connection of reserve sources allows reducing voltage fluctuations along the line and reducing power losses for transit.

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30

Malczyk, Robert, Mateusz Bara i Haihui Lu. "Estimation of SMPS’ Conducted Emission According to CISPR Standards". Applied Sciences 12, nr 3 (29.01.2022): 1458. http://dx.doi.org/10.3390/app12031458.

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Switched-mode power supplies are very efficient and commonly used components in products nowadays. However, due to currents switched at a high frequency, the conducted emission test is a high concern for designers. The market is increasingly demanding in terms of the size of the components and their efficiency. In order to meet market requirements and reduce the size of the power supply (both built into the product or standalone), the switching frequency of the SMPS is rising; hence the base frequency and its harmonics cover a frequency range of the conducted emission test. Due to this fact, the estimation of the test result becomes a great concern for the designer. This paper describes the approach that one can utilize to estimate the switched-mode power supply’s conducted emission as a standalone component with simulation tools using only the power supply being designed. The workflow, which is the result of this work, can be utilized in order to optimize the design of power suppliers from the conducted emission perspective.

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31

Gunawardane, Kosala, Nisitha Padmawansa, Nihal Kularatna, Kasun Subasinghage i Tek Tjing Lie. "Current Context and Research Trends in Linear DC–DC Converters". Applied Sciences 12, nr 9 (1.05.2022): 4594. http://dx.doi.org/10.3390/app12094594.

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With the introduction of switch-mode power supplies (SMPS) in the mid-1970s, the efficiency of DC–DC conversion rose from 60 to 80% and SMPS became a popular power supply solution. However, linear regulators have not become obsolete. The modern power management system in portable devices supports a complex mix of DC–DC converters, combining switch-mode power supplies (SMPS), switched capacitor converters (SCCs), and linear regulators in the form of low-dropout regulators (LDOs). LDOs are used to supply low-voltage DC power rails with very low noise and high current slew rate capability, which are usually fed by the output rail of SMPS. This paper provides a comprehensive review of the evolution of the application scope of linear-type DC–DC converters in the power supply context and the present research trends. First, we review the context of linear DC–DC converters in detail, particularly in portable device power supplies. Then, the details of LDO regulators and their recent industry development and research trends are discussed. Then, the discussion focuses on supercapacitor-assisted low-dropout (SCALDO) regulator design and its scope in the portable device power management together with SCALDO-based dual output and reduced switch designs, and finally, the conclusions follow.

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32

Johar, Harminder Singh, Abhijit Bhattacharyya i Srinivas Rao S. "Fault Tolerant Power Supply for Aircraft Store Interface". Defence Science Journal 72, nr 5 (1.11.2022): 679–86. http://dx.doi.org/10.14429/dsj.72.17737.

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This paper brings out the design of a fault-tolerant power supply unit for the aircraft-store interface. This switched mode power supply provides multiple 30 V regulated and isolated DC outputs required for pre-launch preparations and auto-launch operations of avionic sub-systems in a store. 3Ø-115V-400Hz-AC supply as well as 27V-DC supply are available from a fighter aircraft for powering up of any store. Power (wattage) output from 27V/10A DC is inadequate to power up various onboard avionic sub-systems in guided stores involving seekers and other avionics. Hence, it is planned to convert available high power 3Ø-115V-400Hz-AC supply for applications requiring higher wattages (of the order of 500 watts or more). This power supply provides multiple output options of 30V regulated and isolated DC supply with multiple input supplies from Aircraft, viz. 3Ø-115V-400Hz-AC, 1Ø-115V-400Hz-AC and 27V DC. One of the outputs provided is with hold-up capacitors, to cater for any input power interruptions as per requirements of MIL-STD-704F and GOST-19705-89 standards. This power supply is a ready-to-connect device and essentially consists of housing, components of DC to DC conversions, EMI/EMC filters, solid state power controllers, control switches, and control circuitry for monitoring signals.

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33

Sun, Jing, i Xin Wang. "Design and Research of Switched Reluctance Motor Converter Used in Electric Vehicle". Applied Mechanics and Materials 40-41 (listopad 2010): 277–82. http://dx.doi.org/10.4028/www.scientific.net/amm.40-41.277.

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In recent years, there has been a growing interest in switched reluctance motor when it is widely used in the field of electric vehicles for its simple structure, low cost, high reliability, wide speed range, high response speed, high operating efficiency and strong renewable braking ability. The performance and structure of the power converter will directly affect the efficiency, cost and reliability of SRM, so the reasonable design of SRM power converter is the key to increase the cost performance of the whole SRM speed control system. Based on the principle and advantages of SRM, an improved asymmetrical half-bridge structure power converter with soft-switching is proposed for SRD in the paper. The DC / DC switching mode power supply for switched reluctance motor drive system is also successfully designed based on LT1247 integrated chip. Experiment results show that the new type of power converter and the DC / DC switching mode power supply can work better on electric vehicles.

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Stojce Ilcev, Dimov. "Analysis of power factor corrections for obtaining improved power factors of switching mode power supply". International Journal of Engineering & Technology 9, nr 3 (30.09.2020): 826. http://dx.doi.org/10.14419/ijet.v9i3.31086.

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This article discusses such an important issue as the power factor of Switching Mode Power Supply (SMPS) and its improvement through Power Factor Correction (PFC). The power factor shows how effectively uses the consumption of electric energy by certain loads connected to the power distribution system with Alternative Current (AC), which is very critical for the electricity-producing industry. The number of power factors is a dimensionless value that can vary from -1 to 1. Thus, in an electric power system, a load with a low power factor draws more current than a load with a high power factor for the same amount of transferring useful power, which may cause overloading of the power grid and lead to over-expenditure of electricity. Otherwise, designing power factor correction (PFC) into modern switched-mode power supplies (SMPS) has evolved over the past few years due to the introduction of many new controller integrated circuits (IC). Today, it is possible to design a variety of PFC circuits with different modes of operation, each with its own set of challenges. As the number of choices has increased, so has the complexity of making the choice and then executing the new design. In this article, the design considerations and details of operation for the most popular approaches are provided.

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Semwal, Kireet, i S. C. Bhatt S. C. Bhatt. "A Noval Switch Mode Power Supply for Flash Lamp Pumped Nd: Yag Laser". Indian Journal of Applied Research 1, nr 6 (1.10.2011): 73–75. http://dx.doi.org/10.15373/2249555x/mar2012/24.

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Zhu, Shuanghe, i Tianliang Ren. "Late-model feedforward switched power supply with low ripple". Electronics Letters 33, nr 15 (1997): 1271. http://dx.doi.org/10.1049/el:19970875.

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Scirè, Daniele, Giuseppe Lullo i Gianpaolo Vitale. "Non-Linear Inductor Models Comparison for Switched-Mode Power Supplies Applications". Electronics 11, nr 15 (8.08.2022): 2472. http://dx.doi.org/10.3390/electronics11152472.

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The use of non-linear power inductors, intended as devices exploited up to a current at which the inductance is halved, is of great interest in switched-mode power supplies (SMPSs). Indeed, it allows the use of lighter and cheaper inductors improving the power density. On the other hand, the analysis of SMPSs equipped with non-linear inductors requires appropriate modeling of the inductor reproducing the inductance versus current. This paper compares two main analytical models proposed in the literature: the former is based on a polynomial, and the latter exploits the arctangent function to reproduce the non-linearity of the inductance. Performance is compared by considering the effort of retrieving the model’s parameters, evaluating a current profile by the characteristic equation of the inductor, and exploiting the two models to simulate a switched-mode power supply. Results are given both in terms of computation time and accuracy with reference to experimental values, highlighting the pros and cons of each model.

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Zhang, Jin Jian, Xian Song Fu, Ping Juan Niu i Yi Li Liu. "A Novel Single-Ended Flyback High Frequency Regulated LED Driver Power Supply". Advanced Materials Research 542-543 (czerwiec 2012): 997–1000. http://dx.doi.org/10.4028/www.scientific.net/amr.542-543.997.

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A steady output single-ended flyback switching power supply using L6561 current mode PWM controller designed in this paper. The designed circuit consists of single-ended flyback topology and based on the peak current PWM technology. The circuit has input voltage range from 85V AC to 265V AC and about output drive capability of 12V/2A. Based on the specific chip L6561, the novel single-ended flyback AC/DC converting circuit is adapted for mobile or office equipment, off-line battery chargers. The low-power Switched-Mode Power Supply (SMPS) are the most noticeable examples of application that this configuration can fit. The testing results show that the design of this method can reduce the switching power supply ripple, and ensure stable voltage output.

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MORITA, Koichi. "Ultra Low-noise switch-mode Power Supply". Journal of the Japan Institute of Power Electronics 30 (2004): 3–11. http://dx.doi.org/10.5416/jipe2003.30.0_3.

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Amelin, Sergey, Marina Arkad'evna Amelina, Sergey Vladimirovich Drozdetsky i Igor Vladimirovich Yakimenko. "MODEL OF SWITCH-CONTROLLED PWM STRUCTURE FOR ANALYSIS OF PULSE VOLTAGE CONVERTERS WITH ARBITRARY TOPOLOGY". Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics 2021, nr 4 (29.10.2021): 45–57. http://dx.doi.org/10.24143/2072-9502-2021-4-45-57.

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The article considers the problems of analyzing DC-DC voltage converters and analyzes the advantages, disadvantages, as well as the scope of full switched and averaged continuous models of the converters. The feasibility of using the complex of two models (full switch model and averaged continuous model) for analyzing their operation is proved. The general approach to the construction of continuous models of DC-DC voltage converters based on state-space averaging method is considered. Disadvantages of the averaged models using a classic approach are shown. The relevance of the development of universal continuous models of DC-DC converters is substantiated. The possibility of creating such models using averaged models of PWM switching structure included in the DC-DC voltage converter is shown. Analyzed the typical structure of the switch-mode power supply with feedback. An averaged model of the switching structure is proposed, basing on which continuous models of DC-DC converters with any topology can be built. The processes occurring in this switching structure in the mode of continuous and discontinuous choke current are analyzed. A method for constructing continuous models of the main types of DC-DC voltage converters based on switching structure averaged model is proposed. The adequacy of continuous models obtained by this method has been proven. The results of modeling transients on the continuous and full switch models for inverting voltage regulator are demonstrated. The possibility of accounting in the model of active resistances of switches and cumulative choke is shown. The possibility of using the proposed model to obtain the open loop transfer functions is demonstrated, in particular, the characteristics of the duty factor - output voltage. These transfer functions can be used to synthesize control system compensating circuits of the switch-mode power supply. The possibility of using a single generalized averaged model of the switching structure to build continuous models of converters with complex topology using both the Voltage Mode and Current Mode is shown. This creates prerequisites for developing a universal averaged continuous model for DC-DC converter based on this principle

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Sasikala, K., i R. Krishna Kumar. "Fractional PID controlled cascaded flyback switched mode power supply with enhanced time domain response". International Journal of Power Electronics and Drive Systems (IJPEDS) 10, nr 2 (1.06.2019): 909. http://dx.doi.org/10.11591/ijpeds.v10.i2.pp909-916.

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<p>This work compacts with the modeling, simulation, and application of a Fractional Order Proportional Integral Differential (FOP-I-D) controlled Cascaded Flyback Switched Mode Power Supply (CFSMPS) system. It recommends Parallel cascaded flyback converter for the production of essential DC voltage from the input supply voltage. The output from CFSMPS is regulated by using closed loop configuration. The simulation of Closed-loop Proportional-Integral (PI) and FOP-I-D controlled CFSMPS system has been done and the results of the systems are related. The outcomes signify that the FOP-I-D based system has presented an enhanced response to represent as similar to the PI controlled CFSMPS system. The FOP-I-D controlled CFSMPS system has benefits like decreased steady-state error and enhanced time-domain response.</p>

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Huang, C. W., J. M. Liang, W. T. Hsu i C. C. Yang. "A design of flyback switched-mode power supply with softswitching using the UC3842 controller". Journal of Physics: Conference Series 2020, nr 1 (1.09.2021): 012031. http://dx.doi.org/10.1088/1742-6596/2020/1/012031.

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Kalpana, R., G. Bhuvaneswari, B. Singh i S. Singh. "Harmonic mitigator based on 12-pulse ac–dc converter for switched mode power supply". IET Power Electronics 3, nr 6 (2010): 947. http://dx.doi.org/10.1049/iet-pel.2009.0325.

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Hao, Hu, i Chen Xingbi. "A novel high voltage start up circuit for an integrated switched mode power supply". Journal of Semiconductors 31, nr 9 (wrzesień 2010): 094012. http://dx.doi.org/10.1088/1674-4926/31/9/094012.

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Kerdtongmee, P., D. Srinoum i M. Nisoa. "Development of compact high voltage switched mode power supply for microwave plasma sources supply for low pressure plasma". Journal of Instrumentation 6, nr 08 (24.08.2011): P08014. http://dx.doi.org/10.1088/1748-0221/6/08/p08014.

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Romashko, V. Y., L. M. Batrak i O. O. Abakumova. "Step-up/step-down regulators in maximum power transmission mode". Electrical Engineering & Electromechanics, nr 2 (18.04.2022): 18–22. http://dx.doi.org/10.20998/2074-272x.2022.2.03.

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Introduction. Switching DC voltage regulators are traditionally used to regulate and stabilize the voltage on the load. Due to the widespread use of non-traditional and renewable sources of electricity, there is a need to select from them the maximum possible amount of electricity. As is known, the maximum power from the power supply to the load will be transmitted provided that the output resistance of the source is equal to the load resistance. If this condition is not met, a matching switching regulator is switched on between the power supply and the load. Most often, for the purpose of matching, pulse regulators of step-up or step-down types are used. Problem. The operation of regulators in the matching mode has a number of features, in comparison with the modes of regulation and stabilization of the output voltage. Thus, since in the maximum power transmission mode the output resistance of the source and the resistance of the load are values of the same order, in any calculation the internal resistance of the source must be taken into account. There are works in which features of work of regulators of step-up and step-down types in a mode of transfer of the maximum power are analyzed. In addition to these types of pulse regulators, there are regulators of step-up/step-down types, which are relatively rarely used for this purpose. First of all it is connected with insufficiently studied abilities of work of such regulators in the specified mode. Goal. The aim of the work is to analyze the features of the operation of pulse regulators of step-up/step-down types in the mode of transmission of maximum power from the power supply to the load, as well as to determine the conditions under which it is possible and appropriate to work in this mode. Methodology. In the work, taking into account the internal resistance of the power supply, the regulation characteristics of the basic circuit of the pulse regulator of the step-up/step-down type are analyzed. The conditions under which the transfer of maximum power from the power supply to the load is ensured are determined. Results. It is shown that the existing variants of the circuits of regulators of the step-up/step-down type can be obtained from the basic circuit by applying the rules of construction of dual electric circuits. Consequently, the basic calculated relations for such circuits can be obtained from the calculated relations of the basic circuit using the principle of duality. Originality. A method for determining and studying the regulation characteristics of pulse regulators, taking into account the internal resistance of the power supply. Practical value. The obtained results allow to determine the conditions under which it is possible and expedient to operate different circuits of regulators in the mode of transmission of maximum power from the power supply to the load. Based on these results, recommendations are given for selecting a suitable range for changing the relative time of the closed state of the controlled switch, depending on the type of power supply used, as well as the method of connecting the controlled switch in the regulator circuit.

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Wang, Dao Shun, i Qiang Zou. "Capacitor Group Zero-Crossing Switching Control System Design". Advanced Materials Research 748 (sierpień 2013): 506–9. http://dx.doi.org/10.4028/www.scientific.net/amr.748.506.

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Nowadays, the most of the load is inductive load in the factory. However, power factor is reduced by the phase difference of voltage waveform and current waveform which made by inductor. So many company adopt the compensation mode of parallel capacitor. However, randomly switch for capacitor group make the great harm to power supply system. In order to solve this problem, this paper designs a kind of intelligent synchronous switch. This switch can be switched in the alternating current zero. This switch takes PIC16F877A as core, using of magnetic keeping relay as the executing agency. The experimental results show that the design of this system is reasonable and can make more contribute to enhance the transmission electric efficiency of electrical factory.

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Chen, Chengying, Lixia Bai, Yunrong Zhu i Tiancheng Wu. "A Wide-Band High-Resolution Transmitter for Optical Isolation Amplifier". Journal of Electrical and Computer Engineering 2020 (19.03.2020): 1–8. http://dx.doi.org/10.1155/2020/3626401.

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A wide-band and high-resolution transmitter of optical isolation amplifier is proposed for switching power supply isolation and servo motor drive applications. The transmitter is based on the chopper-stabilized technique and sigma delta modulator. A built-in common-mode voltage circuit of switched capacitor is proposed to ensure the stability of input DC common mode. Meanwhile, the feedback capacitor is used to improve the driving ability, which helps to avoid a buffer with large input swing. The circuit is tapeout with GF CMOS 0.18 μm 1P6M process with 5 V power supply. The test results show that in 5 V supply voltage, the input swing of transmitter is 2 V and the effective signal bandwidth is 110 kHz. And the output resolution achieves 11 bit.

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Kwon, Jae Eon, Tanvir Alam Shifat, Akeem Bayo Kareem i Jang-Wook Hur. "RUL Prediction of Switched Mode Power Supply Using a Kalman Filter Assisted Deep Neural Network". Processes 10, nr 1 (28.12.2021): 55. http://dx.doi.org/10.3390/pr10010055.

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Switched-mode power supply (SMPS) has been of vital importance majorly in power management of industrial equipment with much-improved efficiency and reliability. Given the diverse range on loading and operating conditions of SMPS, several anomalies can occur in the device resulting to over-voltage, overloading, erratic atmospheric conditions, etc. Electrical over-stress (EOS) is one of the commonly used causes of failure among power electronic devices. Since there is a limitation for the SMPS in terms of input voltage and current (two methods of controlling an SMPS), the device has been subjected to an accelerated aging test using EOS. This study presents a two-fold approach to evaluate the overall state of health of SMPS using an integration of extended Kalman filter (EKF) and deep neural network. Firstly, the EKF algorithm would assist in fusing fault features to acquire an comprehensive degradation trend. Secondly, the degradation pattern of the SMPS has been monitored for four different electrical loadings, and a bi-directional long short-term memory (BiLSTM) deep neural network is trained for future predictions. The proposed model provides a unique approach and accuracy in SMPS fault indication with the aid of electrical parameters.

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Kwon, Jung-Min. "Composite Energy Storage System with Photovoltaic Power Generation and Uninterruptible Power Supply Function". International Journal of Photoenergy 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/830341.

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A composite energy storage system (CESS) that includes a photovoltaic (PV) power generation and an uninterruptible power supply (UPS) function is proposed. This system has three operating modes, namely, a grid-connected inverter mode, a grid-connected rectifier mode, and an islanding mode. This system is composed of a boost converter, a three-phase inverter/rectifier, a bidirectional DC/DC converter, and thyristor switches. The boost converter extracts maximum power from the PV panels and sends it to the DC-link. The bidirectional DC/DC converter is connected between the battery and the DC-link, which leads to an optimized charging/discharging operation. The three-phase inverter/rectifier transmits the power to and from the grid. Also, it operates as a UPS in the islanding mode. The thyristor switches are used for connecting/disconnecting between the grid and the AC load. A 15 kW prototype is implemented to verify the performance of the proposed system.

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