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WANG Jiarong，DAI Guanghua，HU Liang，GAO Jingxiang
Abstract: In order to realize the application requirements of SiC power devices，a novel dual edge-triggeredisolated drive circuit was proposed. The circuit have the advantages of full isolation of driving signals，strongdriving ability，wide switching frequency range with 0 Hz～500 kHz signal transmission and strong of...
更多Number of views：1267 Amount of downloads：1333
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LOU Bin，HAI Ying
Abstract：Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large，it can easily affect normal substation and transmission. Therefore，a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
更多Number of views：1060 Amount of downloads：1332
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SONG Hui，YUAN Longxiang
Abstract: Aiming at the problem of single hot spot temperature under average state and long response timeunder different load states，in order to improve the response speed，a 10 kV transformer load state detection method based on K-means algorithm was designed. The 10 kV transformer load model was established，the ove...
更多Number of views：1325 Amount of downloads：1332
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CHEN Sisi，LI Zhigang，ZHENG Jiehui
Abstract：The energy flow analysis method with both high precision and high computational efficiency is abasic tool to simulate the operation and analyze the interaction between the thermal and electric coupling systems.The traditional iterative numerical method is slow in computation，poor in computability for large-...
更多Number of views：655 Amount of downloads：1326
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ZHOU Jinwei，DING Dawei，JIANG Xuexiang，REN Zhaoting，LI Xizhi
Abstract：Maximum torque per ampere（MTPA）control can effectively improve system efficiency throughreducing copper loss，which is suitable for air conditioning permanent magnet compressor system. However，due to the inverter non-ideal characteristics，the tracking accuracy of the optimal current vector angle decreases. T...
更多Number of views：1283 Amount of downloads：1325
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ZHANG Rui，XIAYan，HUANG Guiping，CHEN Renzhao，YANG Yili
Abstract：Aiming at the poor robustness and system vibration problem of asynchronous motors under thetraditional sliding mode control，a variability coefficient power exponent reaching law（VCPERL）was proposed todynamically change the control coefficients according to the position of the sliding mode surface，and the sl...
更多Number of views：1001 Amount of downloads：1320
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WANG Yuning，YANG Chengshun，HUANG Xiaoning
Abstract：In response to the poor disturbance rejection performance and issues of parameter perturbation andcontrol precision in traditional control strategies for interior permanent magnet synchronous motors （IPMSM），afuzzy sliding mode control strategy based on the super-twisting disturbance observer was proposed. T...
更多Number of views：848 Amount of downloads：1318
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TIAN Bin，SUN Quanhui
Abstract: AC/DC switching power supply is the main source of electrical system，its development trend islarge capacity，high power density，high efficiency，low power factor and low harmonic content. However，there are still some common problems with existing digital power supplies，including poor anti-interference abilit...
更多Number of views：1182 Amount of downloads：1318
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JI Huancong，XIA Chengjun，WANG Zeqing，LAI Shengjie
Abstract: Aiming at the problems of high cost and poor voltage quality in the conventional power distributionscheme of long-distance electrical equipment of rail transit，a technical scheme of DC power distribution for longdistance electrical equipment was proposed to achieve the purpose of improving voltage quality ...
更多Number of views：1147 Amount of downloads：1318
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FANG Lei，CHU Chengbo，ZHU Xiaojing，HE Yinghong，YANG Huimin
Abstract：In order to address the issue of large output voltage variation from self-powered current transformerin smart measurement switch，ultra wide input voltage range post-stage DC-DC module is required to generatestable system voltage rails. A ultra wide input DC-DC module based on constant on-time control and as...
更多Number of views：1670 Amount of downloads：1315
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LU Guijun，JIA Pengfei，WANG Yubo，LIU Jing，YU Shouquan
Abstract： Permanent magnet synchronous motors play an important role in industrial automation，automotive，aerospace，household appliances，and other fields due to their high efficiency，high power density，good torque performance，and ease of control. However，in the field of electrical transmission，it is not onlynecessary...
更多Number of views：1254 Amount of downloads：1310
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HU Dong，HU Jingtao，ZHANG Wentao，LÜ Feichun，WU Xu
Abstract: Photovoltaic（PV）power generation is an important power generation method to achieve the goal ofcarbon neutrality. During the grid connection of PV power generation system，due to the characteristics of inverterand the influence of nonlinear load，high-order harmonics are generated，the power quality of the po...
更多Number of views：1188 Amount of downloads：1301
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SONG Pengfei，WANG Maxiang，YANG Guixing，LI Jichen，KANG Pengpeng，WEN Shenghan
Abstract：To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations，as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations，a two-stage robust configuration an...
更多Number of views：727 Amount of downloads：1297
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MAO Fang，MIAO Xinzhao，LIANG Qianyuan，TANG Fangwen
Abstract：Compared to partial life cycle assessment，the full life cycle assessment is more complex anduncertain，with the difficulty of comprehensively considering carbon emissions and their multiple influencingfactors at each stage，resulting in fuzzy assessment boundaries and dynamic repetition of the process. To thi...
更多Number of views：765 Amount of downloads：1291
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CAI Weiliang，CHENG Haifeng，PAN Zhixuan，CHENG Jin，DAI Mingli
Abstract: The grid connection of doubly-fed induction generator（DFIG）leads to the reduction of systemequivalent inertia and primary frequency regulation capacity. With the increase of DFIG grid connection scale，theproblem of system frequency regulation becomes more and more serious. In view of this problem，frequency...
更多Number of views：1146 Amount of downloads：1291
