-
SHENG Jie，GUO Tiantian，JIA Kaili，ZHU Jianfeng，YUAN Yuan，WANG Qi
Abstract：The grid frequently exhibits weak grid characteristics because the impedance fluctuation range ofthe collector network is broad in high permeability distributed generation system. The coupling relationshipbetween the phase-locked loop and the grid impedance leads to desynchronizing between the grid-followin...
更多Number of views：1017 Amount of downloads：2283
-
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：1017 Amount of downloads：2335
-
MA Junchao，WANG Chenxu，SUN Dan，PENG Yan，ZHANG Zeyu，YANG Ying
Abstract：In response to the potential frequency secondary drop problem of direct-drive wind power systemsin the scenario of continuous frequency drop faults in the power grid，the principle of primary frequency regulationof direct-drive wind power systems was analyzed. A primary frequency regulation control strategy ...
更多Number of views：1014 Amount of downloads：2215
-
XU Haijia，MIAO Shuwei
Abstract：Aiming at the vibration problem of wind turbine towers caused by natural factors or actions of windturbine components，a wind turbine tower vibration warning model based on fuzzy inference optimization wasproposed. Firstly，based on the data from the wind turbine supervisory control and data acquisition（SCADA...
更多Number of views：1011 Amount of downloads：5263
-
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：1011 Amount of downloads：2302
-
CHEN Qian，FENG Yuan，LI Cheng，XU Yang，WANG Shuchun
Abstract：The proportion of new energy sources connected to the station area is increasing day by day，whichinevitably brings regulatory needs. Therefore，there is an urgent need for corresponding edge power flowalgorithms. In order to give consideration to accuracy，practicality and efficiency under the situation of we...
更多Number of views：1003 Amount of downloads：2227
-
QU Bo，LI Xin，XIANG Xingyao，ZHANG Ping，WANG Dan
Abstract：A microgrid optimization scheduling model considering dynamic network reconstruction wasproposed for the parallel and off grid scheduling problem of microgrids. The proposed model was based on Bendersdecomposition and decomposes the optimal scheduling problem of microgrids into a grid-connected operationmas...
更多Number of views：1001 Amount of downloads：2161
-
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：1000 Amount of downloads：2243
-
ZHANG Wei
Abstract：The multi-source monitoring data of switchgear contains rich equipment operating statusinformation，and analyzing it can achieve switchgear fault diagnosis. A fault diagnosis method for switchgear basedon SMOTE-SSA-CNN was proposed. Firstly，based on monitoring data such as switchgear voltage，current，andtempe...
更多Number of views：1000 Amount of downloads：2316
-
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：999 Amount of downloads：3516
-
CHENG Liang，DUAN Pengyang，SU Hongbang，TIAN Shengjuan，QI Xiaoxuan，YAN Shengping
Abstract：In the background of a high proportion of new energy source connected to grid，the phenomenon ofnew energy interface inverters being connected to the grid through long-distance AC lines is becoming increasinglysignificant. The traditional vector controlled weak grid connected voltage source converter（VSC）bas...
更多Number of views：999 Amount of downloads：1799
-
MA Zun，CHEN Haoying，DENG Can，CHEN Yong，GUAN Lin
Abstract：The development of modern power systems with wide span，low inertia，and complex structuremakes the frequency stability problem increasingly prominent，and the spatial-temporal distribution characteristicsof frequency are distinct. Taking the actual power grid as the object，the impacts of large-scale new energ...
更多Number of views：998 Amount of downloads：2132
-
ZHANG Xuyang，ZHANG Maosong，WANG Xiuqin，CHEN Zhong，WANG Qunjing
Abstract：In view of the problem that the transfer branch of the current high-voltage DC circuit breaker mostlyadopts uncontrollable full-bridge transformer coupling energy supply，which is not conducive to controllable andstable power supply，and low energy utilization，a combined DC circuit breaker energy supply metho...
更多Number of views：997 Amount of downloads：2169
-
LI Xinhai，LUO Qifeng，ZENG Qingzhu，ZENG Xinxiong，YAN Chao
Abstract：The detection of composite insulator defects in substations still relies on inspection by operators，which is a heavy workload and prone to leakage due to visual fatigue. To reduce the computational resourceconsumption and shorten the training time，the region convolutional neural networks（RCNN）was improved b...
更多Number of views：995 Amount of downloads：2038
-
QIN Gang，ZHANG Changqing，JIANG Xuejiao，ZHONG Lei，ZHOU Chaojun，WU Min
Abstract：During the operation of high-voltage DC power grid，due to factors such as load characteristics andvoltage fluctuations，the instantaneous power characteristics such as capacitor current and harmonics are morecomplex，which increases the difficulty of identifying faults in the power grid system. Therefore，a bi...
更多Number of views：994 Amount of downloads：1852
