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MAYuefeng,ZHAO Suqi,WANG Kai
Abstract:Microgrid is an effective method to integrate a large number of distributed generators into the powergrid. Aiming at the optimal dispatch problem of microgrid,an optimal dispatch method based on proximal policyoptimization algorithm was proposed. Firstly,the optimal diapatch model of microgrid was construct...
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Number of views:608 Amount of downloads:537
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YIN Qiyun,YANG Chen,LU Hongjian,ZHAO Xinyang,AN Yanjie,CHEN Haoyang
Abstract: Aiming at clarifying the interference effect of 5G electromagnetic radiation on relay protection andcommunication control equipment in converter station,a microstrip antenna simulation model with a centerfrequency of 3.5 GHz was established. Firstly,the propagation and attenuation law of electromagnetic ra...
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Number of views:636 Amount of downloads:537
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CHEN Ling
Abstract: With the large increase of load users,the load side adjustable resources gradually increase,and theload side demand response(DR)resources are used to participate in microgrid scheduling to improve the level ofnew energy consumption. In order to give full play to the scheduling potential of DR resources and...
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Number of views:536 Amount of downloads:528
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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 ...
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Number of views:479 Amount of downloads:521
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HU Qingjun,CAO Xinhui,FENG Yu,ZHU Lipeng,ZHAO Wenjing,WEI Yushan
Abstract: The process automation control system L2 of an aluminum zinc plating production line wasexplored. In response to potential production faults on the production line,a process data control module of theprocess automation control system was provided. Through the analysis of process data,the fault location of ...
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Number of views:537 Amount of downloads:521
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CHEN Zheng,WU Yangjin,HUANG Dingjie,WANG Chaojun,FU Xinhui
Abstract:Under the background of limited resources and time,equipment maintenance is considered as aneffective way to maintain the stable operation of the system. In order to allocate maintenance resources efficiently,the most critical equipment in the system should be identified first namely those that will cause s...
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Number of views:619 Amount of downloads:515
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YU Jiazheng,ZHANG Zhifeng,SUN Quanzeng,ZHANG Qingyi
Abstract:Aiming at the inherent problems of large common-mode voltage and heavy computation in modelpredictive current control of the six-phase permanent magnet synchronous motor(PMSM),a model predictivecurrent control method for an open-end winding six-phase PMSM was proposed. Firstly,the neutral point of the sixph...
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Number of views:658 Amount of downloads:514
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LI Nengjun,YANG Haicheng,XU Xianke,LI Shushan,GAO Yuling
Abstract:The state of the DC system of substation is directly related to the normal operation of the substation.A new method for ground fault detection in substation DC systems,which is a combination of double-tree complexwavelet transform and singular value decomposition,was proposed to achieve fast and accurate lo...
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Number of views:557 Amount of downloads:507
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QIAN Junjie,LI Haoquan,LI Guanghua,XU Dongli,LÜ Ganyun
Abstract:Aiming at the problem of power quality deterioration caused by a large number of high-permeabilitydistributed generation connected to the distribution network,a power quality assessment method based oncombination weights and vlsekriterijumska optimizacija i kompromisno resenje(VIKOR)method was proposed.Firs...
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Number of views:714 Amount of downloads:506
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YUE Xuelei,WANG Lei,TIAN Di,XU Kelei
Abstract: Permanent magnet synchronous motor(PMSM)has become the development direction of the newgeneration of rail transit traction system due to its characteristics of high efficiency and high power density. Amongthem,the research on the identification method of the initial position and frequency of the motor roto...
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Number of views:777 Amount of downloads:505
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GU Jiming,SONG Yunting,LIU Xinyu,ZHU Shaoxuan,LEI Yu,ZHANG Tongzun
Abstract:Under the dual carbon background of AC and DC hybrid power grids have the new feature of"strong HVDC and weak AC system" and power electronization,in order to effectively reduce the risk of largescalepower outages in power grid,it is necessary to build a secure and reliable comprehensive defense system toen...
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Number of views:679 Amount of downloads:503
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LI Juan,WEI Yalong,ZHANG Shiqian,GONG Peijiao
Abstract:A three-phase four-wire energy storage type low-voltage control device with the function of gridvoltage unbalance compensation was designed. Firstly,a control method based on active voltage droop and constant power factor was introduced in detail to solve the problem of low voltage at the terminal of substa...
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Number of views:380 Amount of downloads:501
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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-...
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Number of views:385 Amount of downloads:497
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JING Weiwei,FU Hui,ZHENG Xian,LI Shuangwei,SHI Mingming,ZENG jiang
Abstract:With the accelerated construction of new power system,the harmonic characteristics of power gridare becoming more and more complex. It is of great significance to study the effective statistical management ofharmonic data for evaluating the power quality of power grid. A statistical method of harmonic evalu...
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Number of views:606 Amount of downloads:494
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LIU Xue,ZHAO Lu,MA Chengyao,FAN Enze,GE Qiongxuan
Abstract:High-frequency transformers are an essential component in series-resonant DC/DC converters,andtheir stable operation has a decisive impact on the reliability,efficiency,and power density of power supplysystems. Nanocrystalline magnetic cores are widely used due to their advantages of high saturation magneti...
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Number of views:372 Amount of downloads:492