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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：2452 Amount of downloads：9700
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ZHOU Jun，XIAO Yuanbing，YAN Huamin，LU Jingjing，XU Tiefeng，ZUO Fanglin
Abstract：In order to improve the power coordination ability among microgrids in the microgrid group，it isnecessary to consider the correlation between renewable energy generation output and the difference in load timedistribution in different regions in the microgrid group planning. A scenario generation method that...
更多Number of views：2451 Amount of downloads：11044
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DONG Yue，HE Yingfei，DU Lulu，TANG Mingjie，JIN Guangchao，ZHAO Jing
Abstract：Modular multi-level matrix converter（M3C）is a kind of new topology which can convert onespecified electric frequency to another directly，it is applicable to high voltage and large capacity scene. In thefractional transmission system，the complete flow was introduced to achieve power frequency grid fault ride...
更多Number of views：2451 Amount of downloads：10176
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CHEN Sisi，LI Zhigang，ZHENG Jiehui
Abstract：The energy flow analysis method with both high precision and high computational efficiency is abasic tool to simulate the operation and analyze the interaction between the thermal and electric coupling systems.The traditional iterative numerical method is slow in computation，poor in computability for large-...
更多Number of views：2451 Amount of downloads：10201
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XU Shizhou，CHANG Jinhai，FAN Jingsheng，JIA Xinxin
Abstract：A method for establishing edge triggered pulse control switch state time was proposed to address thedivergence of floating capacitor voltage and DC capacitor midpoint voltage in a 5-level active neutral point clamped（ANPC-5L）inverter using the space vector pulse width（SVPWM）algorithm in the g-h coordinate s...
更多Number of views：2450 Amount of downloads：8425
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ZHAO Aibo，LI Zihao，WANG Zixuan，LI Junhui，MA Siyuan
Abstract：Aiming at the problems of insufficient stability and low power generation efficiency of the existingpower supply means for offshore ocean observation equipment，and low power density of direct drive wave energypower generation device due to the low running speed of ocean waves，it proposed to apply the magnet...
更多Number of views：2449 Amount of downloads：9882
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YU Shengcan，YU Tao，FENG Miaoyong
Abstract：Accurately and quickly identifying the fault types of traction transformers is a key technology forintelligent operation and maintenance. Aiming at the problems of single model deviation in the current traditionalalgorithm and the constraints between the iteration rate of complex models and the deployment o...
更多Number of views：2445 Amount of downloads：8586
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QI Zhenbiao，BAO Yuying，FAN Shen，PAN Min，HU Pengfei，WU Hongbin
Abstract：In the multi-source measurement system of distribution network，the sampling frequency and timestamp of multi-source measurement equipment are not synchronized，as well as the bad data in the system，whichwill lead to the bias among the measurement data，thus affecting the accuracy of state estimation. To this ...
更多Number of views：2440 Amount of downloads：12920
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FU Chen，FEI Fei，WANG Jianjun，GUO Mingxing，LIN Shunfu，ZHANG Qi
Abstract：Making full use of the regulation of flexible resources can effectively suppress the fluctuation ofrenewable energy generation and ensure the economic and safe operation of power system. An optimal dispatchingmethod for power system considering the flexibility of battery energy storage systems（BESS）and pump...
更多Number of views：2439 Amount of downloads：9272
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JIANG Jian，XU Fengliang，WANG Fayi
Abstract：Reasonable planning of the active distribution network is an important part to improve the windenergy accommodation capability，however，the overuse of the wind power output and load timing characteristicsincrease the difficulty of model solving and have adverse effects on the optimal results. The Latin hyper...
更多Number of views：2437 Amount of downloads：9026
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XU Can，MIAO Shuwei
Abstract：Wind turbine condition monitoring and wind power prediction both rely heavily on power curves.Firstly，to increase the modeling accuracy of wind turbine power curves，the random forest technique was used toscreen the important variables that influence wind energy capture ability. Then，the screened variables w...
更多Number of views：2436 Amount of downloads：10002
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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：2436 Amount of downloads：9027
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HUANG Guanglei，TIAN Qidong，LIN Zhixian，ZHENG Weinan，XU Te，LI Bingran
Abstract：Due to the extensive addition of new energy systems，the number and types of power qualitydisturbances in the system are also increased accordingly. However，the traditional power quality disturbance（PQD）classification method has the problem of low accuracy and efficiency，and it is difficult to adapt to theex...
更多Number of views：2430 Amount of downloads：8803
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ZHANG Junling，YIN Peng，WANG Jiwei，LONG Mengjiao
Abstract：Relay coil is an effective method to improve the performance of wireless power transmission. Butthe selection of relay coil position is usually based on experience. To elucidate the mechanism of the impact of relaycoils on system performance，the port impedance differences between typical two-coil and relay-...
更多Number of views：2428 Amount of downloads：11295
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DENG Yaping，JIA Hao，ZHANG Xiaohui，TONG Xiangqian，WANG Lu
Abstract：The accurate recognition of power quality disturbance（PQD）is one of the main problems to besolved after PQD occurrence，which is of great importance for responsibility dividing and power market reformprocess accelerating. Massive quantities of power quality monitoring data prepare the ground for the recognit...
更多Number of views：2427 Amount of downloads：8792
