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WANG Jin,GE Qiongxuan,ZHAO Lu,ZENG Dihui
Abstract:The combined propulsion,levitation,and guidance superconducting electrodynamic suspensionmaglev train is capable of achieving electromagnetic forces generated by ground coils,which is of significantimportance for reducing construction costs and shortening development cycles. A mathematical model of themagle...
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Number of views:977 Amount of downloads:8356
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GAO Qiangwei,ZHUO Chengcheng,LIU Yichao,YUE Yang
Abstract:To accurately assess the power quality status of a system,a comprehensive power quality evaluationmethod based on a combined weighting approach and the normal cloud model was proposed. Initially,acomprehensive evaluation framework for power quality was established,encompassing three key dimensions:amplitud...
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Number of views:850 Amount of downloads:3394
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LÜ Zhenhua,LI Qiang,ZHANG Sen
Abstract:Grid-forming converter(GFC)can provide voltage and frequency support for the power grid,effectively improving the stability of power electronic power systems,but there is a risk of transient instabilityunder large disturbances. By studying the key factors affecting the transient stability of GFC and conduc...
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Number of views:849 Amount of downloads:3800
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ZHOU Weiyi,LOU Chengyu,WEI Dong,XU Yudong
Abstract:To optimize the performance of proton exchange membrane fuel cell(PEMFC)systems and enhancefuel utilization,a calculation model for fuel utilization based on internal resistance characteristics was established.The effects of operating conditions—specifically,operating temperature and humidity—on internal r...
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Number of views:752 Amount of downloads:3567
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XIAO Lisha,CHENG Jiangzhou,BAO Gang,ZHU Changdong,ZHANG Bowen,WANG Xiao
Abstract:With the increasing complexity of distribution grids due to the integration of distributed powersources,an improved matrix acceleration state enumeration method was proposed to enhance the computationalefficiency and accuracy of reliability assessment when integrating distributed energy into distribution g...
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Number of views:656 Amount of downloads:3323
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CHEN Wen,LI Pengcheng,ZHANG Hua,ZUO Zhengqin,HUANG Lilin
Abstract:Aiming at the problems of significant nonlinear metering error and low overshoot response ratefaced by electric vehicle charging equipment in complex environments,an out-of-tolerance metering dynamicmodeling method integrating the neural ordinary differential equations(ODE)and vehicle-pile-cloud synergy da...
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Number of views:646 Amount of downloads:3059
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FAN Shengwen,ZHOU Haoting,WANG Yunqian
Abstract:To address the issues of high-frequency chattering and harmonic interference in traditional slidingmode observers for high-speed permanent magnet synchronous motors(HPMSM) under low carrier ratioconditions,an adaptive discrete full-order sliding mode observer suitable for such conditions was designed. This...
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Number of views:560 Amount of downloads:1925
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LI Zhipeng,LI Jiahao,WANG Jun,ZHENG Yi,WANG Li,HE Yingjie
Abstract:Under grid voltage unbalance conditions,active power deviations occur between the three phases of the cascaded energy storage converter,leading to unbalanced three-phase state of charge(SOC)and ultimatelyreducing capacity utilization and system reliability. To address this issue,a control strategy based on...
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Number of views:536 Amount of downloads:1709
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LI Ming,WEI Chengzhi,GUO Xiaoyi,ZHAO Ruifeng,LU Jiangang,CHEN Yizhe,GAO Yifan,GAN Kai
Abstract:In the new power system,the generation method and operating characteristics of new energy aresignificantly different from traditional synchronous machines,and the safe and stable operation of frequency facesnew challenges and opportunities. When there is a large frequency fluctuation caused by high-power d...
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Number of views:529 Amount of downloads:1857
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XIONG Xianzhi,ZHU Jinyu,LI Jiafeng,CHENG Xiaoxuan,LI Tianze
Abstract:To achieve effective integration of renewable energy and reduce the instantaneous powerfluctuations of wind power,a hybrid energy storage system(HESS)operation strategy and integrated capacityallocation considering the smoothing of power fluctuation of wind farms was proposed by leveraging thecomplementary...
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Number of views:514 Amount of downloads:1828
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WANG Songcen,NAN Kai,BAI Xinlei,LIU Kaicheng,GUO Wei,DONG Shufeng
Abstract:In integrated energy systems,centralized control has traditionally been used for state of charge(SOC)balancing of storage units. Recently,decentralized distributed control relying on communication has gained research attention. A multi-agent system and a dynamic consensus algorithm was introduced,enabling ...
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Number of views:508 Amount of downloads:1732
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LI Juan,JIANG Yunlong,ZHU Rui,YANG Xiong
Abstract:Recent advancements in high-precision measurement devices,such as mirco-phase measurementunit(μPMU),offer technical support for regional protection schemes. However,deploying μPMU across allnetwork nodes remains impractical due to economic and practical constraints. Therefore,under low-resistancegrounded d...
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Number of views:497 Amount of downloads:1808
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RAO Yao,CHENG Yuan,BAI Xinlei,DING Sheng,XIAO Shen,LIU Ziyi
Abstract:For cross-regional asynchronous-tied grid of voltage source converter based high voltage directcurrent(VSC-HVDC)transmission system,a frequency support control strategy for energy storage devices basedon 5G communication was proposed. Firstly,the frequency-voltage droop control and frequency restoration co...
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Number of views:479 Amount of downloads:1895
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WANG Cunchao,DAI Wei,XU Tao,ZHANG Qiang,HUANG Jianhong,CHEN Jingang
Abstract:The multi-faults of substation are of great significance for the stability of power system. In order toautomatically identify the typical faults of substation,a dual-channel one-dimensional convolutional neural network(DC1D-CNN)model based on analog-switch fusion features(ASFF)was proposed. The model was c...
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Number of views:377 Amount of downloads:1422
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YANG Fengkun,LI Jun,LÜ Haitao,CHEN Liangliang,GUO Zhichong
Abstract:With the rapid development of electric vehicles over the past decade,the reliability and safety ofcharging piles have become key factors in ensuring user safety and enhancing the travel experience. Aiming atexisting fault diagnosis methods that model the tasks with single factors and have the poor performa...
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Number of views:356 Amount of downloads:1346