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HAN Shaohua,MAO Wangqing,GE Xuan,XU Lei,CHEN Ken,LIANG Rui
Abstract:Compared with large photovoltaic systems with isolation transformers,distributed photovoltaicsystems have small power and volume. In order to improve efficiency,non-insulated inverters are often used indesign,but photovoltaic leakage current endangering system safety is also generated. Taking the single-pha...
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Number of views:477 Amount of downloads:401
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RUAN Bo,YI Bonian,YE Xuecheng,LE Jian,LANG Hongke,REN Yi
Abstract:The electricity power price setting mechanism will be fundamentally reformed with the continuousadvancement of a new round of electricity market-oriented reform. Presently,some provincial and regional powergrid enterprises are facing the problem of large fluctuations in electricity prices,which is not condu...
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Number of views:436 Amount of downloads:393
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ZHU Qing,JI Cheng
Abstract:The massive access of 5G base stations has injected new vitality into the low-carbon development ofintegrated energy system(IES). By stimulating 5G base stations to participate in demand response andincorporating them into the scheduling framework of IES,energy saving and emission reduction of IES can beeff...
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Number of views:542 Amount of downloads:393
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ZHOU Yi,FANG Wei,GONG Min,XIA Xuesong,CHEN Yanling,HAN Ni
Abstract:Despite bringing several benefits to modern power systems,distributed generation(DG)andmicrogrids cause a significant impact on the operation of power distribution networks,especially with regard to theprotection system. In this new scenario,the adoption of smart protection systems capable of incorporating ...
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Number of views:635 Amount of downloads:392
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FANG Yong,SONG Tao,GUO Ziqiang,WANG Jian,GUO Jie
Abstract:With the continuous development of renewable energy sources and the increasing share ofrenewable energy in the grid,optimal coordination of maintenance work becomes increasingly important in order to ensure the safety of power supply in power systems considering renewable energy access. Current tools formai...
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Number of views:524 Amount of downloads:391
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YANG Lei,WANG Xianjun,WANG Zijian,ZHAO Weihua,LI Peng,LI Mengxi
Abstract:As the penetration rate of household distributed PV in China's low-voltage distribution networkcontinues to increase,the power flow of the distribution network has changed,leading to more serious problemssuch as node voltage overruns and three-phase imbalance,which poses a serious threat to the safe and...
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Number of views:482 Amount of downloads:388
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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...
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Number of views:455 Amount of downloads:388
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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:436 Amount of downloads:381
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TANG Lan,HUANG Liwen,WANG Chenglei
Abstract:A K-means clustering algorithm was proposed and a conditional Wasserstein generative adversarialnetwork with gradient penalty(CWGAN-GP)to address the problem of imbalanced photovoltaic generation datacaused by the low occurrence probability of extreme weather. A prediction approach combining bidirectional l...
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Number of views:366 Amount of downloads:380
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WANG Chaoliang,XIAO Tao,CHEN Songsong,ZHANG Hongzhi,CHEN Ke
Abstract:With the proposal of the "dual carbon" goal,the application of EVs is becoming increasinglywidespread. In order to further reduce the charging cost of EVs so as to easing the charging cost burden of EVusers,a coordinated control strategy for EV charging DC microgrid was proposed,which includes photovoltaic(...
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Number of views:589 Amount of downloads:380
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SUN Chuanjie,TIAN Kai,XU Wenyuan,LU Beibei,LI Nan
Abstract:A brake unit based on IGCT was designed for different applications of frequency converter inindustrial scenes,especially the medium voltage frequency conversion system without feedback function. IGCTwas used as the main power device,and the parameters and characteristics of IGCT was analyzed. According to t...
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Number of views:427 Amount of downloads:376
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HE Yongpeng,WANG Mingyue,WANG Yubo,WANG Chunhui,ZHAO Zesheng
Abstract:Based on the parallel structure of high-power converter system,a high real-time and highsynchronization optical-fiber communication scheme was proposed. The on-fly transmission ensures that thecommunication between the controllers has a low delay,and the clock synchronization algorithm compensates thetime-d...
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Number of views:608 Amount of downloads:374
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LIU Zhipeng,QU Zhe,YU Cong,WU Qian,CHEN Bo,FANG Yaqi
Abstract:Over the years,machine learning has made some breakthroughs in the insulation defects of gasinsulated switchgear(GIS),but the traditional methods have the disadvantages of incomplete information,excessive reliance on artificial feature extraction and low diagnosis rate. In order to solve these problems,adia...
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Number of views:441 Amount of downloads:374
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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...
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Number of views:523 Amount of downloads:372
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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 ...
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Number of views:400 Amount of downloads:370