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JIAO Jinghai,LI Jie
Abstract: To solve the problem of low identification accuracy of partial discharge(PD)for electric multipleunits ethylene propylene rubber(EPR)cable terminal defects,an on-board cable terminal defect identificationmethod based on improved residual network was proposed. Firstly,cable terminals with four typical insul...
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Number of views:2043 Amount of downloads:7027
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FANG Lei,XU Jun,ZHAO Yi,XING Xiaofan,MAO Huan
Abstract:The traditional technical line loss prediction method of low voltage station area has some problems,such as relatively extensive calculation,requiring underlying physical topology,and relying on influencecharacteristic data. In recent years,a technical line loss and meter error joint estimation technical ro...
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Number of views:2040 Amount of downloads:7015
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XU Zhenyu,LI Shuai,CHEN Yong,WANG Wenna
Abstract: Electromagnetic radiation affects the development of the wireless charging technologies for electricvehicles.Amethod for reducing the radiation was proposed during the procedure of the wireless charging compared to the existing schemes from the viewpoint of hardware design,software implementation,simulatio...
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Number of views:5360 Amount of downloads:7012
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TANG Junyi,DING Biwei,YANG Qi
Abstract: The integration of high proportion of wind power intensifies the uncertainty of power systemoperation. The sufficient flexibility is vital for the safe and reliable operation of the power system. An evaluationmethod of power system flexibility considering wind power prediction interval was proposed. First,...
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Number of views:2263 Amount of downloads:7006
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LUO Meiling,HAN Zhongxiu,YU Xiaojun,WU Jianyun,HUANG Weibing
Abstract:The islanding detection method is a necessary method for grid-connected PV systems,but,thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason,an islanding detec...
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Number of views:1720 Amount of downloads:7000
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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...
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Number of views:1953 Amount of downloads:7000
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SHEN Yuming,GUI Xu,JIANG Guifen,XU Jiayin,FENG Peiru,LI Kun
Abstract:As the penetration rate of new energy in the power system continues to increase,the large-scale gridconnection of wind power is one of the important factors affecting the stable frequency operation of the powersystem. Configuring energy storage can provide transient frequency support for the system,improve ...
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Number of views:2028 Amount of downloads:6995
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ZHOU Qun,XIA Haogang,CAI Xiyu,LIN Dong,YAN Tiesheng
Abstract:The amplitudes of strong pull-in current and hold-on current passing through the high speedsolenoid valve were regulated accurately by using hysteresis control to realize pulse width modulation of thevoltage of fast solenoid valve,the duty cycle of the current pulse passing through the high speed solenoid v...
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Number of views:1852 Amount of downloads:6986
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LIU Zhongmin,ZHAO Danyang
Abstract: Non-invasive load monitoring monitors the working status of each electric equipment by installingan intelligent meter at the main power interface,aiming to collect and analyze users' power consumptioninformation in real time. According to different characteristics of household user load change in power...
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Number of views:2787 Amount of downloads:6980
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TANG Jiayuan,ZHAO Wenbin,LU Wu,GAO Yuan
Abstract: Under the electric power market environment,the key to achieve the joint operation of virtual powerplants lies in the profit distribution among the internal multi-subjects. To solve the impact of the final profitdistribution,which is caused by the uncertainty of the clean energy output of each main body in...
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Number of views:5052 Amount of downloads:6978
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JIA Dexiang,ZHONG Cheng,LIU Zhanjie,ZHENG Houqing,GUO Yang
Abstract: Photovoltaic(PV)generation usually operates in maximum power point tracking(MPPT)mode,which cannot provide inertia and frequency support for the power system. Virtual synchronous generator(VSG)control is an attractive control method that can provide the similar behavior of synchronous generator(SG).However...
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Number of views:2398 Amount of downloads:6974
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WANG Chao,CAO Wei,ZHANG Xuhang,QIU Chunfeng,CHEN Wei,LI Yun
Abstract:Based on the low-speed communication network,a multi-energy storage operation method of DCmicrogrid with improved power droop control was proposed so as to realize the balanced control in three aspects:state of charge(SOC)balance,rational power distribution among energy storage units and stable bus voltage....
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Number of views:3258 Amount of downloads:6962
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MA Zhiyuan,HUANG Haihong
Abstract: With the increasing popularity of renewable energy sources such as photovoltaics and wind power,improving the reliability and stability of grid-connected system operation has become a key technology in thesystem. Affected by the dynamic characteristics of the grid,if the traditional droop control is still ...
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Number of views:3875 Amount of downloads:6962
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GUO Jiajun,XU Zhi,ZHAI Baoyu,CHEN Yutian,CHEN Junru
Abstract:Aiming at the low voltage ride through(LVRT)problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter,an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly,the shortcomings of the traditional LVRTstra...
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Number of views:2111 Amount of downloads:6958
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GAO Geming,YE Manhong,LIU Yanan,XU Hongqi,CHEN Fan
Abstract:Aiming at the problems of difficult identification of stacked outliers and insufficient extraction ofraw data features in the data-driven ultra-short-term power prediction of wind turbines,a prediction methodcombining data cleaning and parallel spatio-temporal neural network was proposed. First,a combined d...
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Number of views:1481 Amount of downloads:6940