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ZHANG Junling，YIN Peng，WANG Jiwei，LONG Mengjiao
Abstract：Relay coil is an effective method to improve the performance of wireless power transmission. Butthe selection of relay coil position is usually based on experience. To elucidate the mechanism of the impact of relaycoils on system performance，the port impedance differences between typical two-coil and relay-...
更多Number of views：2233 Amount of downloads：10521
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HAN Junkang，HAO Sipeng，LI Shuheng
Abstract：The high proportion of new energy grid connection increases the frequency fluctuation of the powergrid，and grid-forming energy storage is regarded as a key resource to improve frequency stability due to its fastresponse and inertia support capability. To address the underestimation of fast-response resource...
更多Number of views：2087 Amount of downloads：10516
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WANG Mingshen，PAN Yi，MIAO Huiyu，HAN Huachun，ZENG Fei，YUAN Xiaodong
Abstract：In response to the problems of insufficient consideration of charging pile resource constraints，lowpracticality of time-domain discrete models，and inadequate description of peak shaving capabilities in the currentoptimal scheduling of electric vehicles at charging stations，an optimal scheduling and peak sha...
更多Number of views：1386 Amount of downloads：10427
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ZHANG Chunli，LIU Hongwen，FANG Pengxing，CHAI Chenchao，ZHANG Wenqiong
Abstract：Incidents such as the burning of electromagnetic voltage transformers（PT），damage to primaryharmonic suppressors，and fuse tripping occur frequently in low and medium voltage distribution systems due toferroresonance，severely affecting the safe and stable operation of the system. Therefore，through theoretical...
更多Number of views：2886 Amount of downloads：10412
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ZHENG Bining，YAN Dong，SONG Peng，ZHANG Zhen，YAN Yan
Abstract：The structure parameters of dual-stator permanent magnet synchronous motors（DSPMSM）wereoptimized with finite element methodTaguchi method at the rated point，maximum torque point，and maximum speed point，respectively，aiming at the problem of large torque ripple of DSPMSM. The influence onelectromagnetic torqu...
更多Number of views：2974 Amount of downloads：10390
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CHEN Lu，WANG Can，HU Hao，ZHOUYANG Junran，YANG Wentao，MA Xin
Abstract: With the increasing utilization rate of electric vehicles（EVs）in China，high permeability EVs makethe three-phase imbalance rate of urban distribution network increase day by day，which causes problems such asvoltage fluctuation and network loss increase，and the distribution network with high three-phase imb...
更多Number of views：5473 Amount of downloads：10382
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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：6062 Amount of downloads：10351
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WEN Chuanxin，ZHU Jinda，WU Di，YUN Yang，CHENG Yuan，DU Bochao
Abstract: Silicon carbide（SiC）MOSFET has great advantages in improving efficiency and power density ofinverter for new energy vehicles，due to its advantages as high frequency，low loss and high junction temperature. For the SiC MOSFET module，it is very important to study the short-circuit protection with high current...
更多Number of views：4398 Amount of downloads：10339
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YIN Jianqiang，WU Xianming，WU Fengzhi，YANG Peihao
Abstract: The sensorless control of PMSM based on control algorithm is a research hotspot in the field ofmotor control. A PMSM sensorless control system based on low-speed pulse and high-frequency stator flux injectionwas proposed，and the traditional stator flux estimator was improved and the high-frequency signal wa...
更多Number of views：6136 Amount of downloads：10337
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AN Juan，HUANG Cunqiang，LI Junxian，LIU Xingwen，WANG Yusi
Abstract：The intermittency and uncertainty of large-scale distributed new energy bring great challenges to thestable operation of power system. Intelligent soft open point（SOP）and energy storage are effective ways to absorb distributed new energy in spatial and temporal dimension，and play an important role in improv...
更多Number of views：2274 Amount of downloads：10329
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ZHANG Yang，GAO Tian，LIN Weixing
Abstract: Photovoltaic inverter，charging pile，energy storage converter，wind power converter and othercommon power electronic equipment are three-phase high frequency AC/DC/DC converter，which is widely used inindustrial and civil fields. Due to the fast switching capability of three-phase high frequency converter，its...
更多Number of views：5929 Amount of downloads：10329
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WEI Zhengyi，ZHANG Min，ZHOU Mingzhu，DING Xinping
Abstract: In practice，the parasitic parameters have a non-negligible effect on the performance of invertercircuit. The influence of the main parasitic parameters on a new type of switched-coupled-inductor quasi-Z-sourceinverter was studied. By the reasonable analysis of the influence of the parasitic parameters（para...
更多Number of views：4537 Amount of downloads：10328
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GAO Jixin，ZHU Jianzhong，HAH Xiao，ZHOU Yancheng，XU Jing
Abstract：In islanded DC microgrids，line impedance and load fluctuations lead to uneven power distributionand voltage deviation，threatening system stability and affecting energy storage lifetime. Existing droop controlstrategies need to preset a fixed initial droop coefficient，which makes it difficult to balance the ...
更多Number of views：2170 Amount of downloads：10313
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LI Qinzhao，ZHAO Xuemin
Abstract: When the microgrid is operating in island mode，the cascaded H-bridge（CHB）converter as aninterface device may need to be configured with a non-sinusoidal reference wave of pulse width modulation（PWM）when implementing auxiliary functions such as negative sequence compensation. In order to avoid overmodulatio...
更多Number of views：4995 Amount of downloads：10259
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JI Liang，XU Jun，GUAN Ya，CUI Jingxia，HE Jie，PAN Yihang
Abstract：The three-core underground cable in the distribution network works in a harsh environment. Due tothe influence of aging，external force，high temperature and humidity，the insulation of long-term live operation iseasily damaged and causes faults. Aiming at the single-phase grounding fault of cable in distribut...
更多Number of views：2623 Amount of downloads：10243
