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ZENG Xiaotong，WANG Rongmao
Abstract: The Vce method and the Vth method are two recommended junction temperature measurement methods in the IGBT thermal resistance test standard. However，the relationship and equivalence of the junction temperature measured by the two methods are not explained. Firstly，the voltage composition of Vce and Vth was...
更多Number of views：3653 Amount of downloads：2060
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MAO Shufan
Abstract: An automatic compensation method was presented based on adaptive capacitance regulationtechnology and the principle of controlling capacitor charging and discharging voltage. Based on the turn off ability of the self-turn off device，a switch circuit composed of two self-turning off devices connected in rev...
更多Number of views：3652 Amount of downloads：1681
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HU Changsheng，LI Yang，SHAN Qiang，LIU Hui
Abstract: The fault-tolerant control of active power filter（APF）has component redundancy，which leads to the increase of fault-tolerant control error，the decrease of execution efficiency and fault-tolerant rate. Aiming at these problems，a fault-tolerant control method ofAPF based on component redundancy was proposed....
更多Number of views：3613 Amount of downloads：1549
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LIU Tao，CAI Xu，SUN Guoqi，WEI Xiaobin，CAO Yunfeng，ZHANG Lingyan
Abstract: As traditional condenser is replaced by static var generator（SVG），the dynamic reactive powercompensation can be provided by SVG. However，compared with traditional condenser，SVG lacks rotational inertia.Traditional research of SVG mainly focused on reactive power compensation and fault ride-through，and ther...
更多Number of views：3517 Amount of downloads：1758
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XU Zhenyu，LI Shuai，CHEN Yong，WANG Wenna
Abstract: Electromagnetic radiation affects the development of the wireless charging technologies for electricvehicles.Amethod for reducing the radiation was proposed during the procedure of the wireless charging compared to the existing schemes from the viewpoint of hardware design，software implementation，simulatio...
更多Number of views：3534 Amount of downloads：1611
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MA Tao，XIAO Zhiyun，ZHANG Yonghong，DAI Zehui，WANG Zhiqiang
Abstract: In order to improve the reliability of LCL-filtered grid-connected three-phase inverter when using asliding mode controller，a novel sliding mode control strategy with less sensors in the abc natural frame was designed.Firstly，the sliding surface functions of phase a and phase b in the abc natural frame wer...
更多Number of views：3364 Amount of downloads：1335
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LIU Dongchao，XIONG Muwen，GAO Sen，ZHAO Senlin，ZHU Herong，LI Haitao
Abstract: Different types of partial discharge (PD) in gas insulated switchgear (GIS) cause different damage toGIS insulation. Correctly identifying the type of partial discharge is very important to evaluate the insulation statusof GIS. In order to simplify the process of feature extraction and improve the recognit...
更多Number of views：3628 Amount of downloads：1545
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SUN Lihua，ZHANG Lin，SUN Huiqin，GUO Yingjun，LI Zheng，GUO Tianliang
Abstract: The switched reluctance motor control system for electric vehicles includes motor drive and batterycharging circuit，which reduces system integration and power density. Based on the asymmetric half-bridge powerconverter of switched reluctance motor，an integrated power converter for electric vehicle was desi...
更多Number of views：3649 Amount of downloads：1526
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HU Bo，YANG Chao，TIAN Xiaolei，LI Yunlu，YANG Junyou，CUI Jia
Abstract: When the internal parameters and topology of grid-connected power converter is unknown in somepractical applications，the existing frequency scanning based impedance modeling method can only maintain thedynamic equivalence at one operating point. To ensure the effectiveness of dynamic model in a wide operat...
更多Number of views：3680 Amount of downloads：1608
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GAO Fengliang，HUANG Xiongfeng，FAN Hongxing，ZHANG Xuankun
Abstract: The failure rate of IGBT devices caused by excessively high temperature is as high as 55%.Improving the heat dissipation efficiency of the heat sink is the basis for ensuring the safe and reliable operation ofIGBT devices. Through theoretical analysis of IGBT module water cooling and heat dissipation，a tem...
更多Number of views：3670 Amount of downloads：1593
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ZHOU Liying，XIA Changhao
Abstract: Three-phase bridge converters（TPBC）are widely used in low-voltage power distribution networksto compensate the negative-sequence current and the reactive current. Because of the relatively high costs，improving the compensation effect of limited capacity equipment has high economic value and research signif...
更多Number of views：3542 Amount of downloads：1576
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ZHANG Lantao，XIONG Jun，NIU Xiaonan，HUANG Xiaoyu
Abstract: Aiming at the reliability problem of high-power IGBT modules under short circuit extreme operatingconditions，the power terminals imbalanced current of IGBT modules and the resulting dynamic junctiontemperature change were comprehensively analyzed. Firstly，the current sharing characteristics of parallel ter...
更多Number of views：3822 Amount of downloads：1430
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ZHAO Jianyong，LI Han，WU Min，MA Runsheng，ZHAO Wenqiang，YU Ziwei
Abstract: Firstly，the significance of impedance modeling for new energy power generation equipment wasanalyzed，and the existing impedance modeling methods were explained. Aiming at the problems of low flexiblematching degree，single disturbance signal，fixed disturbance frequency and the inability of real-time measure...
更多Number of views：3754 Amount of downloads：1742
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NIU Qian，ZHANG Dong，WANG Junlong
Abstract: Aiming at the problems of uneven power distribution and poor stability of grid AC/DC microgrid，anew adaptive coordinated control strategy was proposed to improve the stability and power distribution accuracy ofAC/DC microgrid（MGs）system.First，for converters connectingAC microgrids and DC microgrids，a contr...
更多Number of views：3818 Amount of downloads：1553
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ZHOU Jiabin，CHEN Yufe，GU Zhaoliang，YONG Jun，ZHAO Wenbin，JIANG Pengliang
Abstract: The influence of magnetic bias current on the excitation characteristics of near-field transformers inthe DC grounding electrode from bipolar to unipolar earth mode was discussed. Based on the principle of field-circuit coupling，the DC magnetic bias co-simulation model of transformer was established and an...
更多Number of views：3707 Amount of downloads：1630
