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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：1032 Amount of downloads：4946
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ZHANG Yunquan，CHEN Xuanang，GUO Xiaorui，WEN An，YE Run
Abstract：To address issues like overcurrent，power oscillations，and insufficient dynamic response intraditional virtual synchronous generator（VSG）control during grid voltage sags，an improved VSG- low voltageride through（LVRT）mode-switching control strategy for grid-forming inverters was proposed. The strategydynamica...
更多Number of views：1151 Amount of downloads：4438
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XU Bin，CUI Wenqing，CAO Huanxi，CHEN Peiyu，LI Qian，JIN Yu
Abstract：Driven by the dual-carbon goals，to effectively reduce the carbon emissions of flexible DCinterconnected microgrids cluster and enhance the flexibility of system control，a low-carbon control strategy wasproposed. Firstly，a topology of flexible DC interconnected microgrids cluster was proposed，and the carbone...
更多Number of views：1033 Amount of downloads：4512
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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：1089 Amount of downloads：4756
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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：1130 Amount of downloads：5299
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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：950 Amount of downloads：4320
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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：497 Amount of downloads：4557
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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：716 Amount of downloads：5113
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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：1504 Amount of downloads：8323
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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：1876 Amount of downloads：9168
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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：1624 Amount of downloads：9677
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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：1887 Amount of downloads：7362
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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：1721 Amount of downloads：8767
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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：1722 Amount of downloads：7888
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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：1764 Amount of downloads：7204
