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第4届国际电力电子及运动控制国际会议

作者： V.Tipsuwanporn S.Intajag C.Tarasantisuk S.Tunvasrirut Faculty of Engineering King Mongkut’s Institute of Technology Ladkrabang LadkrabangBangkok10520Thailand Faculty of Engineering King Mongkut’s Institute of Technology Ladkrabang LadkrabangBangkok10520Thailand Faculty of Engineering King Mongkut’s Institute of Technology Ladkrabang LadkrabangBangkok10520Thailand Dept.of Instrumentation Engineering Faculty of EngineeringPathumwan Institute of TechnologyBangkok10330Thailand

＜正＞ A single phase ac-dc converter with unity power factor （UPF） have been proposed in this paper. The hysteresis current control scheme is employed to track the line current command while the control signal of the four power switches are derived from the Power Balance Calculator （PBC） for achieving a fast response, high power factor during steady state operation with a constant load. The proposed control scheme and the circuit configuration can be applied to the three phase converter to eliminate the harmonic currents from the nonlinear load.

关键词： ac-dc converter power balance calculator power factor correction IEC61000-3-2.

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Adaptive Nonlinear Sliding Mode Control for dc Power Distribution in Commercial Buildings

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Intelligent Automation & Soft Computing 2023年第4期36卷 997-1012页

作者： R.Muthamil Arasi S.Padma Thiagarajar Polytechnic College SalemTamilnaduIndia Sona College of Technology SalemTamilnaduIndia

The developing populace and industrialization power demand prompted the requirement for power generation from elective *** desire for this pursuit is solid due to the ever-present common assets of petroleum deri-vatives and their predominant ecological *** is generally acknowledged that sustainable power sources are one of the best answers for the energy *** these,Photovoltaic(PV)sources have many beneﬁts to bestow a very promising *** integrated into the existing power distribution infrastructure,the solar source will be more successful,requiring efﬁcient Direct Current(dc)-Alternating Current(ac)*** paper mainly aims to improve control-lers’performance between ac/dc Energy sources and the dc loads using the Adaptive Nonlinear Sliding Mode(ANSM)control *** proposed ANSM method efﬁciently controls power quality issues,such as transient response,powerﬂow reliability and Total Harmonics Distortion(THD).The proposed con-troller is applied for both ac/dc and dc/dc converters and the performance of the proposed controller is validated through simulation checking the above *** simulation results conﬁrm ANSM conﬁguration is more reliable and efﬁcient than the existing fuzzy and sliding mode control methods.

关键词： Photovoltaic ac-dc converter dc-dc converter adaptive nonlinear sliding mode transient response total harmonics distortion

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Composite converter Combined APFC with Switched-capacitor converter

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CSEE Journal of Power and Energy Systems 2024年第1期10卷 281-291页

作者： Qing Fu Yishan Chen Yixing Su Yang Hang School of Physics Sun Yat-Sen UniversityGuangzhou 510275China

To reduce switch numbers and voltage stress in semiconductor devices,this paper proposes a novel single-phase converter combined active Power Factor Correction(APFC)with switched-capacitor *** addition,dynamic voltage regulation and voltage gain are improved by integrating the boost converter and switching capacitor *** interstage bulk capacitor is no longer *** average current control with redistribution of voltage in cells is proposed to obtain voltage lift ability of the switching capacitor cells and maintain a high-power *** study and verify the proposed converter preliminarily,theoretical analysis and simulation are presented in the ***,a 50o W prototype with two different configurations is built for experimental *** proposed converter can reach 95.62%of maximum efficiency,0.99 of power factor,and 3.55%of THD with 600 V output voltage,simultaneously.

关键词： ac-dc converter composite conveter power factor correction switched capacitor

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An active Inrush Current Limiter Based on SCR Phase Shift Control for EV Charging Systems

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Journal of Energy and Power Engineering 2016年第4期10卷 247-257页

作者： Cedric Reymond Sebastien Jacques Ghafour Benabdelaziz Jean-Charles Lebunetel Application and System Engineering STMicroelectronics Tours SAS Tours 3 7000 France Research Group on Materials Microelectronics Acoustics & Nanotechnology University of Tours Tours 37200 France

This article gives an overview of the main passive solutions and active techniques, based on ac switches to limit inrush currents in medium power ac-dc converters （up to 3.7 kW） for electric vehicle charging systems. In particular, a strategy, based on SCR （silicon controlled rectifier） phase, shift control in a mixed rectifier bridge with diodes and thyristors, is proposed. The challenge is to help designers optimize the triggering delay of SCRs to both limit the peak value of inrush current spikes and optimize the charge duration of the dc-link capacitor. A mathematical model （Mathcad engineering tool） has been defined to point out, the interest of a variable triggering delay to control SCRs to meet the expectations described previously. Experimental measurements using an industrial evaluation board of the ac-dc converter demonstrate the robustness of the method.

关键词： EV charger ac-dc converter inrush current limiter SCR phase shift control.

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Robust Sliding Mode Control of Three-phase Voltage Source PWM Rectifier with Uncertainties and Disturbances

Robust Sliding Mode Control of Three-phase Voltage Source PW...

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第26届中国控制与决策会议

作者： Gangquan Si Weili Zhao Lixin Jia Yanbin Zhang State Key Laboratory of Electrical Insulation and Power Equipment School of Electrical EngineeringXian Jiaotong University

This paper investigates the sliding mode control of three-phase voltage source PWM rectifier（VSR）. When the three-phase VSR system is applied in different environmental conditions, external disturbances are inevitable and stochastic, so these conditions should be taken into consideration when designing the *** have a good performance and a fast response, the whole closed loop control is designed in two parts: outer voltage loop control and inner current loop control, to achieve the aim of well controlled output dc-bus voltage, sinusoidal input currents at ac mains,controlled power factor and bidirectional power flow, etc. Simulation results are given to demonstrate the effectiveness of the proposed control method and it is in good agreement with the desired control performance. Therefore, the proposed sliding mode control in this paper presents new insights concerning the control of three-phase VSR in the presence of uncertainties and external disturbances and hence has a wide range of applications with good robustness.

关键词： Sliding mode control ac-dc converter Uncertain terms External disturbances

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