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MIAO Yuntao,WANG Chengxian,LI Junda,GU Jiateng,ZHANG Zhenbin
Abstract:Model predictive control(MPC)is an effective control strategy for permanent magnet synchronousgenerators(PMSG)due to its fast dynamic response and multi-objective optimization capabilities. However,MPCrelies on accurate system models and sensor measurements. In practical conditions,parameter mismatch caused...
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Number of views:271 Amount of downloads:251
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YANG Yan,LIU Tong,JIN Panlong,QI Caijuan
Abstract:In order to solve the problem that the time-of-use price is not taken into account in the calculation ofthe peaking cost in the case of a large number of renewable energy sources,a method of calculating the peakingcost of power system with time-of-use price was proposed. First,the key scenarios of power gri...
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Number of views:269 Amount of downloads:257
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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:266 Amount of downloads:246
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XU Can,MIAO Shuwei
Abstract:Wind turbine condition monitoring and wind power prediction both rely heavily on power curves.Firstly,to increase the modeling accuracy of wind turbine power curves,the random forest technique was used toscreen the important variables that influence wind energy capture ability. Then,the screened variables w...
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Number of views:265 Amount of downloads:242
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BAI Luwei,DONG Yongle,ZHANG Lifang,MAO Yongmei,YIN Chao,XI Jia
Abstract:Security is a critical concern that must be addressed in the context of the electric power meteringinternet of things(IoT). In order to achieve complete isolation between data stored in the public cloud(externalnetwork)and data stored in the private cloud(internal network),while enabling unidirectional comm...
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Number of views:263 Amount of downloads:261
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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:260 Amount of downloads:216
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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:258 Amount of downloads:240
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CHU Wenchao
Abstract:Transmission line tower as the normal operation of the power system of the necessary equipment,itsgrounding resistance accurate detection for the safe and stable operation of the entire power system is particularlyimportant,especially in the judgment of lightning protection performance and other aspects. Th...
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Number of views:258 Amount of downloads:238
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CUI Peng,YU Haisheng,MENG Xiangxiang,WANG Jiankun,SUN Yifei
Abstract:A backstepping error port-controlled Hamiltonian(EPH)controller based on a novel extended stateobserver(ESO)was designed to address the issues of insufficient rotor flux observation accuracy and slow systemdynamic response in induction motor speed control. Firstly,an extended state observer was used to obse...
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Number of views:256 Amount of downloads:319
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SUN Yueyue,LI Mengda,PEI Guangyao,ZHU Hanghang,NING Han
Abstract:Since the compressed air energy storage system grid-connected inverter voltage is always influencedby voltage fluctuations of the power grid with little problem,for the sake of ameliorating the dynamic and stableperformance of the DC bus voltage of the inverter on the side of the grid and the actual output ...
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Number of views:255 Amount of downloads:304
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WANG Mingyue,HE Yongpeng,YU Zhiqiang,ZHANG Zhonglei,YU Hongze
Abstract:Because of crystal oscillator error,inter-symbol interference and baseline drift in industrial opticalfiber communication,the optical fiber receiver has the problem of high error rate of data recovery. In long-distanceindustrial communication,the electrical level jitter of serial data at the receiver will i...
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Number of views:254 Amount of downloads:223
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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:249 Amount of downloads:222
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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:246 Amount of downloads:243
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DI Ya,ZHANG Jinhua,QIAN Yang
Abstract:In DC power grid,when serious metallic short circuit fault occurs in the DC side line of voltagesource converter(VSC),the fault current has the characteristics of a fast rising speed and a large peak. The DCcircuit breaker is used to isolate the fault,which greatly increases the requirements for the quick a...
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Number of views:243 Amount of downloads:210
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ZHU Yuanzhe,WANG Ling,WU Zhengrong,LÜ Hong,XIAO Fan
Abstract:In order to further improve the output performance and efficiency of the converter,a grid-connectedconverter based on heterogeneous device mixing was proposed,referred to as heterogeneous grid-connectedconverter(HGCC). The HGCC consists of two half-bridge modules based on SiC MOSFET devices,which arecross-c...
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Number of views:242 Amount of downloads:271