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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 ...
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Number of views:1198 Amount of downloads:5030
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ZHENG Junfeng,HUANG Jiyuan,CHEN Yuanyang,HU Xiangwei
Abstract: Aiming at the frequent voltage sag problem in power quality problems,a multifunctional voltage sagtreatment equipment was developed for user-side voltage sag treatment. Based on the modeling analysis of thesystem,the control algorithm of the system under grid-connected and off-grid compensation states and ...
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Number of views:1197 Amount of downloads:2890
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XIE Jijin,HUANG Wendong,SHEN Kang,LIU Bin,MENG Ningjia,ZHANG Yuanyuan
Abstract:In order to improve the compensation effect of LCL-type shunt active power filter,a frequencyadaptive decimal delay repetitive control based on IIR filter was proposed. The resonance suppression loop of LCLwas designed through root locus and the design result was used as a new control object for repetitive ...
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Number of views:1189 Amount of downloads:2876
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SUN Yueyue,LI Mengda,PEI Guangyao,ZHU Hanghang,NING Han
Abstract:Since the compressed air energy storage system grid-connected inverter voltage is always influencedby voltage fluctuations of the power grid with little problem,for the sake of ameliorating the dynamic and stableperformance of the DC bus voltage of the inverter on the side of the grid and the actual output ...
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Number of views:1189 Amount of downloads:2891
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LIAO Zhiwei,ZHUANG Jing,WANG Bowen,ZHENG Guangyu,XIE Xunkai
Abstract: Aiming at the problems that high voltage direct current(HVDC)transmission line protection andfault location are vulnerable to lightning interference,and the traditional lightning interference identificationmethods of transmission line based on time-domain and frequency-domain features exist the problems of...
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Number of views:1189 Amount of downloads:2695
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LI Zewen,FAN Yuanliang,CHEN Weiming,WANG Shaopeng,LIN Jianli,LI Lingfei
Abstract:In the distribution network of the new power system,due to the access of a large number of newenergy power generation devices,the power supply side output of the distribution network becomes unstable andloses control ability. In order to deal with a series of problems such as the difficulty of photovoltaic ...
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Number of views:1188 Amount of downloads:5463
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ZHANG Jianwei,YANG Zaixin,WANG Yunhui,LIU Guangchen
Abstract:In order to alleviate the intensive computational burden in the model predictive contro(l MPC)of the matrix converter,the MPC of the matrix converter was divided into the predictive control of the virtual rectifier and virtual inverter based on the equivalent indirect modulation of the matrix converter. Com...
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Number of views:1187 Amount of downloads:2809
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SONG Pengfei,WANG Maxiang,YANG Guixing,LI Jichen,KANG Pengpeng,WEN Shenghan
Abstract:To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations,as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations,a two-stage robust configuration an...
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Number of views:1183 Amount of downloads:3274
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A Sileng,WANG Peng,YAN Xiaomeng,MIAO Zhu,HOU Jinxiu,ZHAO Jiadong
Abstract:As an important feature of the future power system,the penetration of a high proportion ofrenewable energy sources significantly enhances the uncertainty of power system operation. The probabilistic loadflow calculation,compared with the conventional tidal current calculation,can fully consider the influenc...
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Number of views:1175 Amount of downloads:2547
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BAI Luwei,DONG Yongle,ZHANG Lifang,MAO Yongmei,YIN Chao,XI Jia
Abstract:Security is a critical concern that must be addressed in the context of the electric power meteringinternet of things(IoT). In order to achieve complete isolation between data stored in the public cloud(externalnetwork)and data stored in the private cloud(internal network),while enabling unidirectional comm...
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Number of views:1174 Amount of downloads:3037
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HU Xiangyu,HONG Feng,SHAO Dongwei
Abstract:Switching power supply is now developing towards high-frequency soft-switching and high powerdensity,the volume of magnetic components is greatly reduced,and the excitation inductance of transformer nolonger meets the assumption of large excitation inductance in traditional analysis. Under this background,t...
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Number of views:1171 Amount of downloads:3323
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SUN Mengen,GONG Haiming,ZHAO Jie,SUN Rongrong,LU Huiwen,WANG Hui
Abstract:Accurate topology and line parameter information is the basis of state estimation and securitycontrol of distribution network. Affected by the performance of collection terminals and environmental factors,themeasurement error of metering equipment often deviates from Gaussian distribution. Higher requiremen...
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Number of views:1167 Amount of downloads:2777
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GUO Jiahao,YANG Xiong,FANG Xin,LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment,the detection efficiency ofthe traditional primary and secondary equipment testing method is very low,and it is no longer suitable for the new fusion switch equipment testing. In view of this,an integrated testing scheme for primary and s...
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Number of views:1164 Amount of downloads:2181
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SUN Heyu,JI Baowei,WEI Yushan,FANG Weihan,WANG Yangyang
Abstract:In response to the problem of slow response speed of main steam pressure in the coordinated controlsystem of thermal power units,the control effect of the coordinated control system was improved by blowing outsome of the stored powder in the pulverizing system. Based on the traditional milling system model,...
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Number of views:1162 Amount of downloads:2453
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YANG Yidong
Abstract:In the grid load control and planning of distribution network,in order to optimize the grid structureof distribution network,such as line loss,power supply quality and load,a grid load control and planningtechnology based on differential evolution algorithm was proposed. For all kinds of power generation de...
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Number of views:1159 Amount of downloads:2728