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ZHOU Xuesong，GUO Kairui，MAYoujie，ZHONG Weibao
Abstract: Although the parallel connection of inverters in a microgrid system increases the system capacity，itcreates a circulation path which provides the conditions for the generation of zero-sequence circulating current（ZSCC）. In order to solve the problem of system loss caused by ZSCC，a ZSCC controller was desig...
更多Number of views：4339 Amount of downloads：9135
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YUAN Shaowei，LI Yuxiang，JIANG Jie，ZHANG Bei，ZHU Qing
Abstract：In order to solve the problems of intermittent and fluctuating distributed energy，took three majorphysical entities in the demand response project，namely system operator，load aggregator and load end user，as the research object，the transactions between supply and demand within the power system composed by the...
更多Number of views：2513 Amount of downloads：9134
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YANG Xiaochu，WANG Guanwen，LUO Guogan，XU Shipeng，ZHANG Dingwang
Abstract: The composition of the double-fed induction generator（DFIG）is complex，and its operation andmaintenance are difficult. Due to the relatively complex electromagnetic transient characteristics of the fault，theextraction quality directly affects the reliability of the fault detection results of the DFIG. Aimin...
更多Number of views：2399 Amount of downloads：9128
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MAYuefeng，ZHAO Suqi，WANG Kai
Abstract：Microgrid is an effective method to integrate a large number of distributed generators into the powergrid. Aiming at the optimal dispatch problem of microgrid，an optimal dispatch method based on proximal policyoptimization algorithm was proposed. Firstly，the optimal diapatch model of microgrid was construct...
更多Number of views：2617 Amount of downloads：9127
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YANG Zhaohui，WEI Huadong，HE Liuqing，ZHANG Hao，PENG Guoping，SHI Ben
Abstract：Aiming at the problem of large switching loss of modular multilevel converter（MMC），startingfrom the switching frequency optimization strategy，the existing switching frequency optimization strategy wasimproved，and the accurate analytical formula of sub-module capacitor voltage based on the real-time value of...
更多Number of views：2568 Amount of downloads：9126
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LI Shunxin，ZHAO Xuan，ZHAO Yinan，YANG Min，DONG Shaoqiao
Abstract：With the continuous increase in the scale of distribution network construction and operation，a largenumber of electricity load control problems have emerged，especially the weakening of sample time seriescharacteristics in electricity load data analysis，resulting in incomplete acquisition of local load chara...
更多Number of views：2692 Amount of downloads：9119
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HAN Shaohua，MAO Wangqing，GE Xuan，XU Lei，CHEN Ken，LIANG Rui
Abstract：Compared with large photovoltaic systems with isolation transformers，distributed photovoltaicsystems have small power and volume. In order to improve efficiency，non-insulated inverters are often used indesign，but photovoltaic leakage current endangering system safety is also generated. Taking the single-pha...
更多Number of views：2009 Amount of downloads：9115
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CHEN Shaoxia，JIN Xinru，YAO Gang，ZHANG Jiajie，FAN Jia
Abstract：In recent years，with the increasing shortage of energy，the ship power system is transitioningtowards new energy upgrading. However，the uncertainty of new energy output has also brought new challenges tothe economic and safe operation of the system. Therefore，traditional ship energy management is no longerap...
更多Number of views：3185 Amount of downloads：9115
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PAN Lingling，ZHUANG Weijin，ZHAO Qi，TIAN Jiang
Abstract: In the background of the new power system，the importance of demand-side dispatchable resourcesof the grid for system stability is increasing. As an important dispatchable load resource，an accurate assessment ofelectric vehicle（EV）dispatchable potential can effectively improve the safety and stability of th...
更多Number of views：2585 Amount of downloads：9115
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JIANG Wenhui，LIN Dong，YU Li，CHEN Bo，CHEN Yumin
Abstract: The voltage stability of power grid was briefly introduced，and the measurement method of voltagestability of phasor measurement unit（PMU）based on state estimation was proposed. This method mainly aims atthe voltage change caused by the load rate change. The voltage stability under different load conditions...
更多Number of views：2184 Amount of downloads：9107
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SONG Weiqiong，GUO Shuai，HAN Liu，XU Chaoqun，SONG Wei，LÜ Fengming
Abstract：In order to monitor current distribution state of parallel silicon carbide（SiC）devices in photovoltaicinverter，a contactless monitoring solution based on anisotropic magnetoresistive sensor was proposed. Accordingto practical position of SiC devices on PCB board，multiphysics simulation tool COMSOL was emplo...
更多Number of views：2679 Amount of downloads：9104
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ZHANG Xudong，WANG Yangyang，LI Xiaolong，LÜ Jin
Abstract：Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying，the real-time sampling value is not suited for feeding back tothe speed control system directly，a variable period mean sampling algorithm was proposed. Fi...
更多Number of views：2455 Amount of downloads：9103
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LIU Zhipeng，QU Zhe，YU Cong，WU Qian，CHEN Bo，FANG Yaqi
Abstract：Over the years，machine learning has made some breakthroughs in the insulation defects of gasinsulated switchgear（GIS），but the traditional methods have the disadvantages of incomplete information，excessive reliance on artificial feature extraction and low diagnosis rate. In order to solve these problems，adia...
更多Number of views：2156 Amount of downloads：9094
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ZHANG Kuangyi，LIU Haitao，MA Bingtai，ZHANG Chengyu
Abstract: There are many fault distributions along the actual distribution network lines，but the existingvoltage sag stochastic assessment methods only consider the uniform fault distribution. According to the differentfault distribution characteristics along the line，a stochastic assessment method of voltage sag wa...
更多Number of views：2835 Amount of downloads：9093
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JIAO Xiaofeng，WEI Chao，HU Hongbin，FAN Zeguo，ZHANG Lihui
Abstract: With the acceleration of my country' s power spot market construction process，in order to solve theproblem of heat-electricity mismatch in the northern region，two different day-ahead scheduling strategies of aflexible co-generation plant based on the participation of cogeneration units in the day-ahead...
更多Number of views：3042 Amount of downloads：9086
