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GONG Weizheng，YAO Yin，CHEN Mengying，LI Dongdong，ZHANG Xianming，ZHU Yedong
Abstract：The rapid increase in the proportion of renewable energy in the East China Power Grid System andthe continuous decline in the rotational inertia and frequency modulation resources in the system will pose a threatto the system's frequency immunity and stability. The existing research focuses on the devel...
更多Number of views：1156 Amount of downloads：2538
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XU Zhance，XU Wei
Abstract：Aiming at the problem that the photovoltaic grid-connected inverter system operates under multipledisturbances，an linear active disturbance rejection control（LADRC）grid-connected strategy combined withphotovoltaic system was proposed. Firstly，the dynamic process of PV grid-connected system was analyzed andm...
更多Number of views：1154 Amount of downloads：2873
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BAI Yansong，LI Guorong，CAO Dayou，ZHOU Yan
Abstract：Owing to the influence of wave fluctuation，the output power of ship photovoltaic（PV）powergeneration system is in the state of fluctuation，which significantly affects the quality of electricity and thereliability of power supply，and the sun-tracking algorithm of the land-based PV system fails to adapt to theo...
更多Number of views：1154 Amount of downloads：2883
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GUO Yanhui，LI Hao，LUO Min，CHEN Jie
Abstract：In power electronic devices，the supporting capacitor is a crucial component. To ensure the safety ofthe system，monitoring the status of the capacitor is particularly important. A neural network approach wasemployed，and analyzing the correlation between control strategies and circuit topology parameters to d...
更多Number of views：1153 Amount of downloads：4694
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PEI Zhiqiang
Abstract：Aiming at the traditional mine hoist rocker arm bearing fault diagnosis technology which usuallyonly utilizes a certain specific geometric structure of the vibration dataset and fails to obtain the optimal similaritygraph structure，an intelligent diagnosis method for bearing faults based on adaptive graph e...
更多Number of views：1152 Amount of downloads：4427
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YAN Kun，GAN Jingfu，LIU Hongshun，SUI Yizhen，HE Pengkang
Abstract：A fusion prediction method was proposed to predict and correct the calculation deviation of the toptransformer oil temperature model in IEEE guideline，so as to realize the more precise prediction of the transformertop oil temperature（TOT）. Firstly，the characteristics of the transformer TOT model and the ext...
更多Number of views：1149 Amount of downloads：2107
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LI Mingbo，SUN Zhiyuan，ZHENG Kun，LIU Mosi，GAO Like
Abstract：With the increasing scale of new energy power generation and the continuous reduction of lithiumbattery cost，energy storage technology has gradually become an important supporting technology to achieve thegoal of "double carbon". However，the state of charge（SOC）of the energy storage system is too high or to...
更多Number of views：1144 Amount of downloads：4738
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LIU Yawei，GUAN Peng，SUN Lunan，WANG Chunhui，WANG Hao
Abstract：The micro-grid solves the problem that the intermittent and fluctuating power generation hasadverse effects on the stable operation of the distribution network when the distributed generation is connected tothe distribution network. In order to meet the economic operation of micro-grid under grid connected ...
更多Number of views：1143 Amount of downloads：2823
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DING Chaohui，YAO Fei，JANG Jun,GAO Ang，SHAO Gao
Abstract：The traditional predictive current control for three-phase LCL grid connected inverters has theproblems of large steady-state ripple and unstable switching frequency，which is not conducive to the quality of grid connected current and the design of filters. Therefore，an improved three vector fixed frequency ...
更多Number of views：1137 Amount of downloads：2833
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YANG Yan，LIU Tong，JIN Panlong，QI Caijuan
Abstract：In order to solve the problem that the time-of-use price is not taken into account in the calculation ofthe peaking cost in the case of a large number of renewable energy sources，a method of calculating the peakingcost of power system with time-of-use price was proposed. First，the key scenarios of power gri...
更多Number of views：1133 Amount of downloads：2368
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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：1132 Amount of downloads：2840
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LIU Yanlong，HAN Pingping，CHEN Xiaoguang，GUO Jialin
Abstract：With the increasing penetration of new energy equipment，while alleviating the environmentalproblems caused by fossil energy，it also increases the frequency instability of the system. Photovoltaic（PV）andother new energy equipment to participate in the grid frequency regulation is an effective way to improve ...
更多Number of views：1128 Amount of downloads：2105
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ZHAO Chencong，XIE Zhouhua，ZHOU Feihang
Abstract：Unbalanced grid voltage will affect the normal grid connection operation of the wind energyconversion system（WECS），resulting in fluctuations in system output power and distortion of output current. Inaddition，in the actual permanent magnet synchronous wind power system，there may be uncertainties in thenetwo...
更多Number of views：1123 Amount of downloads：3085
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ZHAO Fajin，SHU Zhengyu，WANG Can，LIU Wencan ，HUANG Qiyun
Abstract：Accurate and efficient multi-load forecasting is of great significance for the operation control andscheduling of integrated energy system（IES），in order to improve the load forecasting effect，a integrated energysystem load prediction model based on least absolute shrinkage and selection operator（LASSO）and L...
更多Number of views：1121 Amount of downloads：2177
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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：1121 Amount of downloads：2585
