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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：1372 Amount of downloads：6058
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YAN Wei，MENG Jianhong，WANG Haochong，WANG Wei
Abstract：In low-temperature environments，the electrochemical reaction kinetics of lithium-ion batteriesbecome hindered，leading to accelerated capacity decay and increased internal resistance，which severely impactstheir lifespan and safety. To achieve non-destructive estimation of internal aging，a battery internal ag...
更多Number of views：1398 Amount of downloads：6848
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HU Xiangzheng，GAN Pei，LI Ke，WU Wenqi，GUO Hanting，HUANG Xianjin
Abstract：The insulated gate bipolar transistor（IGBT），as the core device of power electronics system，iswidely used in industrial control，transportation and new energy power generation due to its high efficiency andhigh switching frequency. However，the internal bonding wire is vulnerable to thermal stress and current ...
更多Number of views：1196 Amount of downloads：5518
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WU Zhenyu，LIU Yonghang，LIU Yuansen，ZHANG Yihan，ZHENG Yongle，ZU Wenjing
Abstract：With the proposal of the“dual carbon”goals and the development of new power systems，theproportion of renewable energy sources such as wind and solar power continues to increase，and the load volumegrows with enhanced volatility，posing higher demands on the expansion of transmission lines due to uncertainties...
更多Number of views：627 Amount of downloads：5855
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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：905 Amount of downloads：6454
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YANG He，CHEN Zhaoyu，ZHANG Jinhua，XU Jing，WANG Jingpeng，ZHU Shichang
Abstract：In response to the issues of large volume，high cost，and complex control algorithms associated withvoltage regulation equipment in new energy distributed power distribution areas，a two-stage voltage regulationcircuit topology based on a DC-link capacitor-free structure was proposed. Based on this topology，a ...
更多Number of views：1661 Amount of downloads：9176
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YAN Yingshi，QIU Dongyuan
Abstract：Aiming at the interconnections requirements of power frequency（PF），low frequency（LF）anddirect current（DC）brought by the offshore wind power，a hybrid multi-frequency converter was designed basedon the nine-bridge-arm modular multilevel converter（9A-MMC），in which the diode-clamp sub-module wasselected for upp...
更多Number of views：2076 Amount of downloads：10123
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ZHANG Jianwen，MA Haixiao，JIAN Jiahong，LIU Yueneng
Abstract：To eliminate the leakage current of single-phase non-isolated photovoltaic inverter，a six-switchphotovoltaic inverter topology with low leakage current was proposed. The topology consists of a voltage multipliercircuit，a common ground three-level inverter circuit and a LC output filter circuit. The combinat...
更多Number of views：1786 Amount of downloads：10554
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CUI Yulu，ZHANG Zhiguo，YANG Gang，GAO Yipeng，ZHAO Jiantao
Abstract：In response to the "double carbon" strategy，the state has made great efforts to develop new energy.As an important carrier of distributed new energy，the DC building microgrid system has attracted extensiveattention. In the DC building microgrid system，as the core link of voltage and power conversion，DC conv...
更多Number of views：2070 Amount of downloads：8245
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JIN Haotian，LI Haifeng，MA Kai，TAN Lingqi，LI Jia
Abstract：For the half-bridge modular multilevel converter（MMC）bridge arm in a control cycle within theinput and removal of the submodule of the respective capacitance voltage sequence before and after the relationship of the characteristics of the same，based on the last cycle of the submodule switching state and the...
更多Number of views：1905 Amount of downloads：9779
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ZHANG Yuanbo，JI Wei，ZHANG Yun，DAI Zhihui，HE Jingyuan
Abstract：The traditional fault calculation method in the case of distribution network with multi-point Tconnected inverter interfaced distributed generator（IIDG）has the problems of complicated calculation process and large calculation amount. Therefore，a fault calculation method for new distribution systems with T-c...
更多Number of views：1898 Amount of downloads：8942
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SHANG Liqun，WANG Shuo
Abstract：As the proportion of installed photovoltaic（PV）capacity increases year by year，accurate predictionof PV output and the realization of group control and management of PV clusters become crucial. A multi-site PVoutput prediction method that integrates deep fusion of graph convolutional neural network（GCN），lon...
更多Number of views：1962 Amount of downloads：8183
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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：1512 Amount of downloads：9680
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LIU Yuqing，ZHANG Shijie，SHI Deyong
Abstract：Under the planned system，the fixed price makes it difficult to encourage hydropower to participatein regulation，and the complex hydraulic constraints lead to difficulties in hydropower spot market clearing. Toencourage hydropower to participate in regulation through spot-price incentives and enrich its reve...
更多Number of views：1585 Amount of downloads：8071
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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：1817 Amount of downloads：9738
