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XIONG Wei，CHEN Long，LÜ Shunli，GUO Zhenyu，LU Xin
Abstract：To address the complexities of transformer condition assessment indicators and the overreliance onexpert judgment in the evaluation process，a novel method for fuzzy comprehensive assessment of transformercondition was introduced，which is based on gaming theory and an improved version of the D-S evidence the...
更多Number of views：2651 Amount of downloads：8602
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LIU Huichen，LI Zhen，SU Weifeng，YUWEN Bo，LI Haitao，ZHANG Zhenbin
Abstract: In the long cable driven induction motor drive systems，speed sensorless control is usually adopteddue to the long distance between the controller and the motor. In addition，long cable increases the stator sideimpedance of the induction motor，especially the equivalent stator resistance by an order of magnit...
更多Number of views：2981 Amount of downloads：8596
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LAI Jiayuan，YAO Ruotian，LIU Dishen，BAI Hao，XIA Zipeng，LIU Yipeng
Abstract：In order to further improve the power density and output performance of the transformerlessmedium-voltage power quality control device，a partial submodule multiplexing modular multilevel converter（PSM-MMC）topology and its control strategy were proposed. The PSM-MMC was composed of four groups ofarm submodul...
更多Number of views：1344 Amount of downloads：8512
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LEI Qiang，WU Pengrong，LI Zhenwen
Abstract：In response to the intermittency and uncertainty of wind power generation，which result in low windpower utilization and high electricity purchase costs in microgrids，an intelligent dispatch strategy based on aresidual-like soft actor-critic（R-SAC）algorithm was proposed. The scheduling problem was formulated...
更多Number of views：1606 Amount of downloads：8495
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QIU Shuming，ZHAO Bin，CHEN Kuilin，CHEN Zhibin，LI Chao
Abstract：An anti-interference domestic variable frequency multi-drive system solution for the five-standcontinuous cold rolling line in the steel strip cold rolling field was presented. Firstly，the mechanical equipmentand rolling process of the 900 mm five-stand continuous rolling line was introduced，and matched the...
更多Number of views：1981 Amount of downloads：8478
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YIN Xiang，WU Chaoqun，LIU Yan，CHENG Shi，ZHAI Liang，LI Xing
Abstract：Wind power and other fluctuating renewable energy sources pose serious challenges to the safe andstable operation of the power grid. Integrating energy storage technology with wind power can effectively mitigatethe volatility of wind power output and enhance grid frequency security. A dual adaptive particle...
更多Number of views：1367 Amount of downloads：8475
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WANG Chunhui，QU Xiaowei，WANG Mingyue，HAN Song，LI Teng
Abstract：In order to improve the debugging and fault monitoring and analysis capabilities of inverterproducts，the design scheme of network version process data acquisition and analysis software was proposed.Thecomposition and implementation of the software system were discussed，and the technical means such as multit...
更多Number of views：2511 Amount of downloads：8462
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PANG Bo，MENG Jing，ZHANG Yang，TA Na，WANG Haibo，DU Jing
Abstract：The accurate identification of hidden danger for power utilization in low-voltage substations plays animportant role in improving the quality of power supply and reducing the risk of accidents.To improve the accuracyof identifying hidden danger in low-voltage substations，a low-voltage user hidden danger for...
更多Number of views：2718 Amount of downloads：8455
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WANG Zhifu，SUN Qingle，LI Haolong，WANG Xu，GUO Yifeng，LIANG Changchun，WANG Rui
Abstract: With the development of motor drive system of new energy vehicle and the increase in complexity and integration，testing of motor drive system has become an important part of vehicle development. But high-power motor drive testing is more difficult and has higher risks，especially for motor control system，tr...
更多Number of views：6411 Amount of downloads：8443
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ZHANG Guoqiang，LI Rundong，HUANG Yuanming，DING Dawei，WANG Gaolin，XU Dianguo
Abstract: Supply interruption may occur during the operation of permanent magnet synchronous motor（PMSM）in some special applications and it needs to be restarted in the rotating state which is called flying start，the accurate initial position/speed observation is the foundation of flying start. Aiming at the problem...
更多Number of views：3070 Amount of downloads：8409
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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：4897 Amount of downloads：8403
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ZHENG Xiaoyong，DENG Jinxiang，HU Ren，WANG Hong
Abstract: Brushless DC motor has been widely used in the market because of its long life，high reliability andhigh torque. The sensorless control method can avoid a series of problems caused by the position sensor and furtherexpand the application of the brushless DC motor. Compared with the traditional sensorless co...
更多Number of views：3998 Amount of downloads：8378
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ZHOU Hanying，LIANG Junyu，YANG Jiaquan，GAO Jing，YUAN Xingyu，JIN Xiaolong
Abstract：New energy power generation has strong volatility and randomness，and its large-scale gridconnection seriously affects the stable operation of power grid frequency. The new generation of power system alsorelies on communication network for data transmission，which will consume a lot of network resources and i...
更多Number of views：2040 Amount of downloads：8345
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YAN Yuhao，ZHOU Buxiang，CHEN Shi，DONG Shen，LIU Zhifan，ZANG Tianlei
Abstract: At present，the focus of research on doubly fed induction generator（DFIG）high voltage ride through is a single high voltage fault.However，after DFIG low voltage ride through，due to the irrationality of the reactive power compensation strategy，a low/high voltage compound fault have be caused，which have a cer...
更多Number of views：4654 Amount of downloads：8342
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SHAYuheng，MEI Xin，LAN Jiao，HAN Fangxu，ZHAO Xuechen
Abstract: In view of the problems that the lack of unified data source，unified information standard，unifiedsupport platform for common services caused by multi system parallel in each stage of power grid enterprise projectmanagement，and resource and information "isolated island" caused by "chimney" system architectu...
更多Number of views：4298 Amount of downloads：8337
