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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:142 Amount of downloads:85
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CHEN Weikang,WANG Haixin,ZHANG Zhiyong,CHEN Zhenyu,SHEN Jie
Abstract:Flux-weakening control technology can effectively broaden the speed range of the permanentmagnet synchronous machine(PMSM),therefore,it is of great significance to the research on the flux-weakening control of permanent magnet synchronous machine. Most of flux-weakening modified the flux-weakening current c...
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Number of views:486 Amount of downloads:423
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YIN Xiang,ZHANG Xiaojun,FENG Xinjia,CHENG Shi,TAO Yuxin,XIAYuande
Abstract:As the penetration rate of new energy and power electronic equipment increases,the inertia anddamping of the power system decrease,and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter,so as to pla...
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Number of views:503 Amount of downloads:447
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LI Shengnan,HE Tingyi,HE Xin,HE Peng,ZHANG Yongchang,ZHANG Shengan
Abstract:During the joint operation of permanent magnet direct drive wind power generation systems,thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside,which in turn affects the DC bus voltage of the converter,leading to power fluctuations on the gri...
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Number of views:385 Amount of downloads:418
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YIN Zhenhuan
Abstract:Due to the advantages of faster dynamic performance and smaller torque ripple,high frequencypulse voltage injection(PSVI)is widely used in sensorless control of permanent magnet synchronous motor(PMSM)at low-speed range. Under low switching frequency,the dynamic and steady performance of thetraditional high...
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Number of views:407 Amount of downloads:414
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PENG Fei,TIAN Xu,LIU Fei,XU Decao,FANG Shiwen,TIAN Xu
Abstract:The integration of large-scale wind power,photovoltaic and other renewable energy resources forthe power system will greatly change the power supply characteristics,reducing the inertia of power system andthreatening the stability of transient frequency. The virtual synchronous generator(VSG)technology can ...
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Number of views:240 Amount of downloads:205
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ZHAO Faping,SHE Yanjie,SUN Huanyu,BU Xiangzhou,BAI Tao
Abstract:A sliding mode linear self disturbance rejection control strategy was proposed to address the outputvoltage fluctuations caused by sudden load changes,changes in DC bus voltage,disturbance addition,and otherdisturbances in three-phase interleaved parallel DC-DC converters. Firstly,a mathematical model of th...
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Number of views:259 Amount of downloads:208
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LIAO Zhijun,HUANG Liying,CAO Yun,TIAN Junling,RONG Na
Abstract:In the context of dual carbon,carbon trading mechanism and various energy complementary powergeneration mechanism are important mechanisms for China to achieve carbon emission reduction goals andsustainable development. A multi-energy system optimization model was proposed that takes into account carbontrad...
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Number of views:264 Amount of downloads:193
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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:182 Amount of downloads:121
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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:219 Amount of downloads:109
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KAN Chaohao,YAO Xiaojian,QI Ankang,WANG Zhisheng, WANG Pengcheng,CHEN Gong
Abstract:Three-phase asynchronous motor is one of the most frequently used motors. Inter-turn short circuitfault is a kind of fault with high probability. If the real-time monitoring of motor operation,health and safetyevaluation of the operation,will be able to timely stop losses,reduce losses. An inter-turn fault ...
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Number of views:241 Amount of downloads:121
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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:162 Amount of downloads:99
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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:161 Amount of downloads:97
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SHU Jun,YE Fan,YAO Fenglin
Abstract:The power cable plays a very important role in today's social development and urban operation.With the increase of people's electricity consumption,the amount of cable laying is also increasing synchronously.In order to prevent the cable from being damaged,the environmental vibration signals around ...
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Number of views:166 Amount of downloads:103
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GU Jiming,SONG Yunting,LIU Xinyu,ZHU Shaoxuan,LEI Yu,ZHANG Tongzun
Abstract:Under the dual carbon background of AC and DC hybrid power grids have the new feature of"strong HVDC and weak AC system" and power electronization,in order to effectively reduce the risk of largescalepower outages in power grid,it is necessary to build a secure and reliable comprehensive defense system toen...
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Number of views:526 Amount of downloads:347