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FAN Peilin，HU Pengtao，XUE Jianli，LIU Zheng，HUANG Jinming
Abstract：Voltage source converter （VSC） is prone to low-frequency oscillations of 100~101Hz whenconnected to weak AC power grids. The mechanism of improving the control strategy of VSC on the traditionalinverter side to suppress low-frequency oscillations（LFO）in the AC power grid is to transfer the oscillations from...
更多Number of views：899 Amount of downloads：2339
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ZHOU Hao，DING Yu，WEI Xu，LI Xuesong，FAN Tianrong
Abstract：With the continuous promotion of the "double carbon" strategy，the reformation of China'selectricity market has entered a new stage，but the overall construction of the electricity market is still in theprimary stage，and there is an urgent need to develop a scientific and feasible regulatory prevention st...
更多Number of views：1276 Amount of downloads：2335
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LOU Bin，HAI Ying
Abstract：Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large，it can easily affect normal substation and transmission. Therefore，a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
更多Number of views：1341 Amount of downloads：2334
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ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui
Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high v...
更多Number of views：1401 Amount of downloads：2334
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YANG Yanfang，LIANG Zhonghao，ZHANG Meiling，LIU Jiayi
Abstract: Aiming at the problem of low accuracy and comprehensiveness of current identification methods，amethod of reverse power anomaly identification in digital electric energy meter information sampling was proposed.Through the data acquisition system，the digital electric energy meter information sampling work was...
更多Number of views：1712 Amount of downloads：2333
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LUO Meiling，HAN Zhongxiu，YU Xiaojun，WU Jianyun，HUANG Weibing
Abstract：The islanding detection method is a necessary method for grid-connected PV systems，but，thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason，an islanding detec...
更多Number of views：949 Amount of downloads：2332
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SUN Zhenqin，QU Jianhua，ZHANG Zhenzhen，QUAN Xiao，LI Hongbin，TAN Peng
Abstract: In order to improve the measurement accuracy of the position and speed closed-loop of the brushlessDC motor，which is currently used in the attitude control actuator，a new cumulative pulse M/T method wasproposed，based on incremental off-axis magnetic encoder（AS5304A）and TMS570 chip internal integratedenhance...
更多Number of views：1420 Amount of downloads：2332
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FANG Lei，XU Jun，ZHAO Yi，XING Xiaofan，MAO Huan
Abstract：The traditional technical line loss prediction method of low voltage station area has some problems，such as relatively extensive calculation，requiring underlying physical topology，and relying on influencecharacteristic data. In recent years，a technical line loss and meter error joint estimation technical ro...
更多Number of views：1014 Amount of downloads：2331
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ZHAO Faping，SHE Yanjie，SUN Huanyu，BU Xiangzhou，BAI Tao
Abstract：A sliding mode linear self disturbance rejection control strategy was proposed to address the outputvoltage fluctuations caused by sudden load changes，changes in DC bus voltage，disturbance addition，and otherdisturbances in three-phase interleaved parallel DC-DC converters. Firstly，a mathematical model of th...
更多Number of views：1016 Amount of downloads：2329
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PENG Yinzhang，WANG Chen，NAN Dongliang，XIAO Chao，YANG Shuai
Abstract：AC-DC hybrid power grid can balance the power flow during the operation of the power system ina large range，which is conducive to improving the access capacity and access range of large-scale access of newenergy to the power grid，which is an important trend in the development of modern power grid. In order ...
更多Number of views：1155 Amount of downloads：2329
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SHI Xuelei
Abstract：Under the power grid dispatch mode of "source follows load"，different AC power supply modes arerequired in the market. To meet market demand，an uninterruptible power supply（UPS）system compatible withvarious AC power supply modes was designed. The modes of the system were selected by switching devices.Accord...
更多Number of views：1355 Amount of downloads：2326
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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：1331 Amount of downloads：2325
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ZHAO Hao，LU Jinke，ZHU Yidi，ZHOU Ziniu，DU Weixi
Abstract：Junction-case thermal resistance has always been a highly concerned thermal parameter of powersemiconductor devices，which is also the standard to weight the heat sink performance of power semiconductordevices. Heat-sink design should be considered in order to prevent device overheating damage. Therefore，acc...
更多Number of views：1732 Amount of downloads：2323
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CHEN Xiaoru，HUANG Longyi，LAI Shengjie，YANG Mingjia，WANG Zeqing，XIA Chengjun
Abstract：The circulating current of metal sheath in high voltage cable is the superposition of induced currentcomponent and leakage current component. At present，the calculation of induced current component is relativelymature，but the calculation of leakage current component is insufficient，which affects the final c...
更多Number of views：1506 Amount of downloads：2321
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LIU Detao
Abstract: Due to the inaccurate power deviation and network loss results obtained by the energy storage powercontrol of the multi-source distribution network，the power control results are not ideal. A rational control method of energy storage power in multi-source distribution network based on ant colony algorithm w...
更多Number of views：1245 Amount of downloads：2321
