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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：1129 Amount of downloads：5310
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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：1080 Amount of downloads：4761
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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：1099 Amount of downloads：4325
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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：822 Amount of downloads：5201
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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：906 Amount of downloads：4372
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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：1027 Amount of downloads：5149
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HE Long，MA Jincai，ZHU Yongming
Abstract：The contact electrical contact fault of gas insulated switchgear（GIS）will affect its electricalperformance. A multi-physics coupling model of GIS contact vibration was first established to address the difficultyin diagnosing contact faults. An experimental platform for high-current detection of GIS was buil...
更多Number of views：625 Amount of downloads：5112
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LIANG Hong，QIAN Renjun，CHENG Yongjun，HU Jiangyu，ZHANG Man
Abstract：As a kind of winch driven by motor，electric winch has more excellent performance of cable control.However，in the process of retracting and releasing the cable，the drum inertia of the electric winch will change with the change of the cable stock. This unknown inertia change will lead to mismatching of motor ...
更多Number of views：1023 Amount of downloads：7561
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LI Haifeng，CHEN Bin，CHEN Jin，HU Xiwen，LIU Youbin
Abstract：Line commutated capacitor high-voltage direct current（ LCC-HVDC）is an important technicalform of high-voltage direct current transmission. Since the converter valve was composed of semi-controlled devicethyristors，the commutation failure of the inverter-side converter station has become a key issue affectin...
更多Number of views：1483 Amount of downloads：7970
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HUO Zhen，XIE Jingcheng，WANG Chenyu，LIU Hao，MENG Jianhui，GAO Benfeng
Abstract：Grid-forming（GFM）converter is a voltage source and has good adaptability and frequency-voltagesupport in weak grid，but is prone to oscillation instability in strong grid due to impedance characteristics. To solvethis problem，based on the analysis of the impedance characteristics of the GFM converter，an adap...
更多Number of views：1938 Amount of downloads：7783
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MENG Zhaohe，LU Beibei，YU Zhiqiang，DUAN Yichao，GE Tingting
Abstract：For the application of high-power IGBT，its driving circuit is the core part of the entire powermodule. The reliability of the driving circuit to a certain extent determines the reliability of the entire powerelectronic device，and designing highly reliable driving circuits has practical significance. The int...
更多Number of views：1422 Amount of downloads：6647
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GUO Wen，HUANG Zhu，ZHOU Mingzhong，WANG Danxiang
Abstract：The excitation inrush generated when the no-load transformer is closed may appear to causeequipment failure，affect the power quality and lead to line overload and other problems，at this stage，phasecontrolled opening and closing is an effective means of suppressing the inrush，the circuit breaker closingchara...
更多Number of views：1540 Amount of downloads：6838
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LU Shanshan，LI Li，LI Lin，SUN Haibo，WU Runze
Abstract：In recent years，the large-scale access of a large number of new power distribution services such asdistributed power generation，electric vehicles，and flexible load control has led to a sharp increase in the operating pressure of the power cloud master station. To this end，an adaptive resource allocation met...
更多Number of views：1899 Amount of downloads：7331
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YIN Li，SHENG Junjie，YUAN Jie，FENG Yanjun
Abstract：In the context of carbon neutrality，an optimal pricing strategy for electric vehicle charging stationsconsidering carbon emissions was proposed. Firstly，a price response characteristic model of electric vehicle userswas constructed. Secondly，an optimal pricing model with the lowest carbon emission，the minim...
更多Number of views：1955 Amount of downloads：6778
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ZHANG Bin，LI Guoqing，LIU Dagui，SHI Wei，XIAO Guilian
Abstract：Reliability assessment of distribution systems is a crucial foundation for maintaining their powersupply continuity. For existing distribution network photovoltaic systems，solar irradiance modeling was limited toits exponential autocorrelation. To enhance the reliability assessment through accurate predicti...
更多Number of views：1375 Amount of downloads：6946
