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KONG Lingqing,HE Shan,DONG Xinsheng,LI Ji,YANG Dingqian,HU Shuai
Abstract: In order to solve the problem of voltage and frequency fluctuations at the grid-connected point of thepermanent magnet wind turbine during high and low voltage ride-through,a virtual synchronous generator(VSG)was proposed to control the grid-side converter to improve the inertia and damping of the permanen...
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Number of views:2621 Amount of downloads:7867
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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:3103 Amount of downloads:7853
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SUN Guangming,ZHNAG Weiguo,ZHOU Jing,LIU Hongpeng
Abstract: The integration of electric boiler and thermal storage system into power system is a feasible schemeto improve system flexibility and wind power consumption. In order to comprehensively consider the multi-agentconfiguration of electric boilers and heat storage systems in different thermal power plants,and ...
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Number of views:3106 Amount of downloads:7839
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FU Wenqi,HUANG Yongzhang,YANG Xin,GUAN Fei,GU Yujun
Abstract: The integration of large-scale renewable energy source causes the reduction of rotational inertia inpower systems. A motor-generator pair(MGP)can provide a real inertial response(IR)capability without delay forrenewable energy generations. The electrical-mechanical model of the MGP was established based on...
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Number of views:5998 Amount of downloads:7839
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ZHOU Ning
Abstract:Focusing on the central position of AC power frequency converter in the development of the nationaleconomy,emphasizingd their critical impact on the safety and efficiency of industrial production. In view of the rapid development of power electronics technology,the field of AC power frequency converter has ...
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Number of views:3409 Amount of downloads:7827
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SI Dajun,WANG Jie,SHU Banggui,ZHANG Guangbin,SHU Hongchun
Abstract:The load of a submerged arc furnace has many advantages,such as large single-unit regulationcapacity,good communication conditions,easy control,and low economic retrofitting,making it an importantflexible regulation resource for the power grid. However,there is currently a lack of effective digital simulati...
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Number of views:2293 Amount of downloads:7816
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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:2614 Amount of downloads:7796
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JIANG Yehai,JIAO Hao,CHEN Zhi,MA Jiayang ,LI Bin
Abstract:To improve the quality of power distribution network parameters,an abnormal parameteridentification and localization method for distribution networks based on smart meter measurements was proposed.The method transformed the nonlinear identification equation solving problem in traditional identificationalgor...
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Number of views:2358 Amount of downloads:7792
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FU Yang,SIMA Chao,TIAN Shuxin,CAI Pengcheng,GU Jiping,LIU Shu
Abstract: Expected fault screening of smart distribution network is an important basis for system security situation assessment. In order to comprehensively and accurately perceive the security risk of smart distributionnetwork,a micro-synchronous phasor measurement unit(μPMU)with real-time,synchronicity,accuracy an...
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Number of views:3595 Amount of downloads:7772
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CHEN Wanqing,CHEN Keren,SHI Pengjia,JIN Xiaolong,WANG Huiyuan
Abstract: To reduce the energy cost and carbon emissions due to the large-scale farming,an optimal scheduling method for integrated energy systems(IES)in low-carbon farm considering thermal dynamic characteristics of the livestock houses was proposed. First,the mathematical models of the integrated energy systems in...
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Number of views:3439 Amount of downloads:7761
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XIAO Quan,ZHOU Xiaoshan,WANG Ruiqing,LIU Yuqi,ZHAO Xianyuan
Abstract: The excitation control module of synchronous generator is the key equipment for power productionand safe operation,and the localization rate of its key materials is low. Based on the control performance of thesynchronous generator excitation control module,starting from the research of chip independent con...
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Number of views:2855 Amount of downloads:7753
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YANG Zhenyu,WANG Wei,XU Wenzheng,ZUO Zhiling,CHEN Changqing
Abstract:The telecommunication power supply applied in 5G base stations can save energy consumption byreducing the output voltage when the equipment works in standby state. Nevertheless,frequent and rapid outputvoltage regulating of the converters is challenging. To solve this problem,the concept of partial power co...
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Number of views:2482 Amount of downloads:7744
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XU Deshu,LIU Yanfang,ZHAO Hao,MA Zhiqiang
Abstract:The integrated energy system contains adjustable resources and flexible operating modes,which to acertain extent play a supporting role in the power grid and assist in optimizing its operation. Based on this,anoptimal operation model of integrated energy system considering support capacity to power grid was...
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Number of views:1908 Amount of downloads:7743
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ZHANG Linghao,LU Xiaoxing,XIAO Xiaolong,YUE Fuchang,WU Fan,LI Guangxi
Abstract:The inherent characteristics of distributed energy resources(DERs),including their small scale,volatility,and intermittency,pose significant challenges to the design of operational strategies for distribution areamicrogrids. Despite the successful integration of diverse DERs and external power grids within ...
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Number of views:1815 Amount of downloads:7733
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YIN Aihui,REN Ang,WU Xiaowen,HOU Jianfeng,FAN Yulin
Abstract: When fast voltage control is used in a power factor corrector(PFC),ripples on the DC side can cause grid current harmonics. To solve this problem,a novel DC voltage nonlinear PI control strategy was proposed,which could reduce the harmonic content of fast voltage closed-loop in power factor corrector. Base...
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Number of views:5875 Amount of downloads:7727