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HUANG Jialing,LIN Shunfu,ZHAN Yinfeng,LIU Chitao,LI Dongdong
Abstract: Aiming to the non-intrusive load monitoring(NILM)of residential households,a method of loadprofile decomposition based on the appliance switching events and the long short-term memory networks(LSTM)was proposed. The difference-summation algorithm was performed on the total active power data of a residentia...
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Number of views:4081 Amount of downloads:8633
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TANG Weifeng,WANG Changjiang
Abstract: In the motor controller of new energy vehicles,due to insufficient current capacity,high cost,andlimited heat dissipation capacity,parallel power devices are often used to extend current capability of power inverter for EV applications. Current imbalance can be caused by device parameter tolerances,parasit...
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Number of views:4073 Amount of downloads:9441
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CAOWei,GUI Shicheng,HUANG Ruanming,HE Bilun,QIN Huancheng
Abstract: With the expansion of the interconnection scale of the power system,the impedance ratio of thepower grid increased gradually,thereby the breaking capacity of the circuit breaker was affected by the increasingattenuation time constant of the DC component of the short-circuit current .At present,the periodic...
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Number of views:4066 Amount of downloads:7268
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GUO Peijian,JI Shiqing,LIU Juan,HE Jinwei,BAI Yang,GUO Yan
Abstract: Due to the special characteristics of the structure and load of the traction power supply system,serious imbalances can occur in the three-phase power supply system,which restricts the development of highspeed,heavy-haul railways. The structure of a single-three-phase combined co-phase power supply system ...
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Number of views:4045 Amount of downloads:8517
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ZHOU Wen,YANG Shaobo
Abstract: In the DC microgrid,bus voltage stability is the key to maintain the normal operation of the system.Load switching and distributed micro-source power fluctuations will affect the stability of the DC bus voltage. Tosolve the above problem,a compensation control strategy based on the residual generator was p...
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Number of views:4041 Amount of downloads:7955
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LIU Hong,XU Shihao,YANG Lingsheng
Abstract: The frequency division phenomenon of the wireless power transfer(WPT)circuit in the electricvehicle wireless charging system under the premise of the optimal load resistance was discussed.In the optimizedWPT circuit,by changing the value of the coupling coefficient(k) between the master and slave coils in ...
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Number of views:3995 Amount of downloads:10547
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ZHANG Yi,CHANG Pengfei
Abstract: With the increasing penetration of large-scale wind and PV power within the power system,theywill inevitably participate in the load frequency contro(l LFC). Since the power output of wind and PV is unstable,which would affect the power balance of grid,thus cause unstable frequency. A LFC method based on d...
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Number of views:3994 Amount of downloads:8187
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GAO Shanxue,YANG Xin,SHEN Wenbing,ZHONG Wei,ZHANG Shuai,WANG Min
Abstract: DC microgrid usually consists of a plurality of power electronic converters with feedback controlconnected to a common DC bus. Although the control loop design of each individual converter has a good stabilitymargin,the interconnection of multiple power and load converters can cause stability and performan...
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Number of views:3981 Amount of downloads:8446
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YANG Liping,WANG Haiyun,DING Dong,YU Xijuan,WANG Liyong,WU Honglin
Abstract: At present,there are some problems in line loss fault detection of electric quantity informationacquisition equipment,such as low detection rate,poor applicability and so on. An automatic line loss faultdetection method for electric quantity information acquisition equipment was proposed. By determining th...
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Number of views:3976 Amount of downloads:8742
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YU Zhongan,CHEN Miao,DING Wensu,LIN Shangrong
Abstract: The traveling wave fault location of traditional double-circuit transmission lines are mainly studiedon the model with symmetric parameters. In order to solve the problem of traveling wave fault location of doublecircuit lines on the same tower with asymmetric parameters in engineering practice,a fault loc...
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Number of views:3972 Amount of downloads:8859
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LEI Aoyu,SU Tingting,MEI Yong,HUANG Fangneng,WANG Yu,WU Wei
Abstract:In the critical period of the implementation of the strategy of "carbon neutrality,carbon peak",thefrequency characteristics of the new power system show a series of new characteristics,such as the reduction ofnode inertia level and obvious distribution difference,and the maintenance of frequency stability ...
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Number of views:3965 Amount of downloads:12941
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YU Xinhai,WANG Xin,SU Riguge,ZHANG Xiaoju
Abstract: Microgrid is an effective method to integrate distributed power supply into power grid. The optimaloperation of microgrid can effectively improve the utilization efficiency of renewable energy. The objectiveoptimization model was established,considering the economy of microgrid operation,the volatility of ...
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Number of views:3960 Amount of downloads:8704
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WU Haoting,LIN Song,XIAO Feng,KE Lingqiang
Abstract: The research of virtual machine in substation plays an important role in many fields. In view of thelow maintenance efficiency of virtual machine substation,a virtual machine substation maintenance system based on virtual reality(VR)technology was designed. Using VR technology,the three-dimensional operati...
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Number of views:3949 Amount of downloads:10900
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LIU Ronghui,MA Tiantian ,SUN Gaiping
Abstract:The potential dispatchable resources of electric power,heat,cool and gas in the integrated energysystem(IES)are important contributors to reduce the operating cost of IES. In order to guarantee the customersatisfaction while reducing operating cost of IES,a IES day-ahead optimal dispatch model considering a...
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Number of views:3931 Amount of downloads:8448
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YUE Yuanyuan,ZHANG Chao,YUAN Xingzhong,ZHU Anming, HUANG Zongjun,JIANG Bo,ZHANG Yuhan
Abstract: The spatial load of multi-power distribution network is easy to overload,which leads to thereduction of distribution network planning stability. A dynamic planning and optimization method of multi-powerdistribution network considering the spatial load layout was proposed. According to the equivalent topolo...
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Number of views:3925 Amount of downloads:8077