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GAO Geming，YE Manhong，LIU Yanan，XU Hongqi，CHEN Fan
Abstract：Aiming at the problems of difficult identification of stacked outliers and insufficient extraction ofraw data features in the data-driven ultra-short-term power prediction of wind turbines，a prediction methodcombining data cleaning and parallel spatio-temporal neural network was proposed. First，a combined d...
更多Number of views：1219 Amount of downloads：4840
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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：1210 Amount of downloads：5581
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XU Deshu，LIU Yanfang，ZHAO Hao，MA Zhiqiang
Abstract：The integrated energy system contains adjustable resources and flexible operating modes，which to acertain extent play a supporting role in the power grid and assist in optimizing its operation. Based on this，anoptimal operation model of integrated energy system considering support capacity to power grid was...
更多Number of views：1204 Amount of downloads：3753
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ZHAN Yubing，TAO Deshun，WANG Changxing，CHEN Liangliang，LIU Hongpeng
Abstract：In order to cope with the impact of large-scale access to new energy sources such as wind power，photovoltaic and electric vehicles on the spatial characteristics of the power grid，a novel dynamic probabilistictrend analysis method was proposed. Firstly，the probability distribution model of wind and light po...
更多Number of views：1202 Amount of downloads：4383
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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：1191 Amount of downloads：4508
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ZHU Junwei，HE Feng，CHEN Peixing
Abstract：With the continuous integration of new energy generation and the increasing degree of power linecabling，the problem of voltage exceeding limits in new type power system is becoming increasingly prominent. Adynamic reactive power optimization model for new type power grids was established to address this iss...
更多Number of views：1167 Amount of downloads：4383
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LIU Fusuo，DING Rui，WANG Yu，CHENG Shuo，WANG Qi，HUANG Xifang
Abstract：In order to solve the DC over-voltage problem caused by surplus power when short circuit faultoccurs in the recipient grid of offshore wind power via voltage source converter high voltage direct currenttransmission（VSC-HVDC）delivery system，a joint fault ride-through strategy based on surplus power allocatio...
更多Number of views：1162 Amount of downloads：3250
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CHU Wenchao
Abstract:Transmission line tower as the normal operation of the power system of the necessary equipment，itsgrounding resistance accurate detection for the safe and stable operation of the entire power system is particularlyimportant，especially in the judgment of lightning protection performance and other aspects. Th...
更多Number of views：1159 Amount of downloads：3851
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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：1131 Amount of downloads：5334
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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：1100 Amount of downloads：4351
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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：1083 Amount of downloads：6381
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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：1082 Amount of downloads：4776
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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：5161
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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：1025 Amount of downloads：6155
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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：1024 Amount of downloads：7566
