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ZHANG Cheng,HAN Cun,REN Wei,ZHAO Jinlei,ZHANG Xiao,ZHANG Xudong
Abstract: Based on the AC-DC-AC variable frequency speed control system of synchronous motor,theparameters of PI regulator were optimized by chaos particle swarm optimization algorithm. A pseudo-randomsequence generation method was constructed using a chaotic map dynamic integer tent map,and an objective function of...
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Number of views:2693 Amount of downloads:1686
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LI Chengyuan,ZHANG Chao,LI Zhe,LIU Bochang,GAO Jing,JIN Pengfei
Abstract: Due to the small capacity and weak regulation energy of island grid,it is very easy to cause systemcollapse. When the isolated grid collapses,it is necessary to establish the grid through its internal black start powersupply without relying on the external public grid. In recent years,with the rapid develo...
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Number of views:3272 Amount of downloads:1684
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CUI Qian,ZHOU Jiemin,DING Zhengdao,QIN Jina,GAO Yiqing,JIANG Pengchuan
Abstract:In order to solve the problem of overvoltage and overcurrent in the process of load sudden changefor ion thruster screen grid power supply,the phase shift pulse frequency modulation(PS-PFM)was used tostabilize the output voltage of the LLC resonant converter. When the sampling voltage is lower than the lowe...
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Number of views:721 Amount of downloads:1673
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LIU Mengmeng,LI Ruifang,MIAO Weili
Abstract: In order to optimize the controller structure of the permanent magnet synchronous motor(PMSM),a simplified speed control strategy for the PMSM based on genetic algorithm(GA)was proposed.The new controller mainly includes a direct voltage controller,which uses the motor model to achieve accurate speed track...
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Number of views:3923 Amount of downloads:1673
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SUN Lihua,ZHANG Lin,SUN Huiqin,GUO Yingjun,LI Zheng,GUO Tianliang
Abstract: The switched reluctance motor control system for electric vehicles includes motor drive and batterycharging circuit,which reduces system integration and power density. Based on the asymmetric half-bridge powerconverter of switched reluctance motor,an integrated power converter for electric vehicle was desi...
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Number of views:3781 Amount of downloads:1671
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ZHANG Yubo,LIU Xu,CAO Yang
Abstract: The hybrid excited segmental rotor flux switching permanent magnet(HESRFSPM)machine basedon eccentric pole was proposed. Under the condition of constant air gap area,the segmental rotor structure based on eccentric pole can reduce 2,4,10 radial air gap flux density space harmonic amplitudes by comparing ai...
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Number of views:3244 Amount of downloads:1666
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WANG Shanshan,NIU Ke,LI Hui
Abstract: In order to reduce the high cost of sampling circuits,simplify commutation procedure and improvethe conversion efficiency of the indirect matrix converter,a zero current commutation model predictive control(ZCC-MPC)strategy with the input voltage observation was proposed. The input voltage observer was des...
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Number of views:3656 Amount of downloads:1665
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DONG Yongle,ZHANG Jiang,ZHANG Lifang,ZHANG Qi
Abstract: In view of the increasing factors of power demand in our country,and the low efficiency of traditionalstatic model and adjustment mode of distribution network based on artificial experience,which can not meet thepractical needs of high-level applications such as refined line loss of distribution network. I...
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Number of views:3424 Amount of downloads:1662
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SHI Shaoqing,ZHANG Leping,ZHANG Bensong,WU Haowen,LIAN Xinkai,DU Shushuai
Abstract: In order to apply the smart meters with load identification technology into real application,a nonintrusive load identification method using Mean-shift clustering algorithm with siamese network framework wasproposed. In this method,the load event was carried out for extracting the features,including active...
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Number of views:1952 Amount of downloads:1656
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CHEN Huabin,LIU Wei,XIANG Dening,CHEN Ying
Abstract: To control the induction motor stably under the condition of uncertain disturbances,an inductionmotor speed control method based on robust sliding mode control and field oriented control was proposed based on switching gain adaptive technology. By introducing the switch adaptive gain and integrator interpo...
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Number of views:3607 Amount of downloads:1648
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GU Ming,XING Meng,GE Xianjun
Abstract: Aiming at the complex problem of weight factors tuning when the induction motor driving systemadopts the finite set model predictive control,an optimal finite set model predictive controller without weightdistribution for induction motor driving system was designed. In the new scheme,the form of sequential...
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Number of views:3780 Amount of downloads:1646
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ZHAO Jianyong,ZHANG Zhenxiao,DING Yuanjie,YU Ziwei,HAN Junyao, WANG Shenghong,NIAN Heng,LI Xuerong
Abstract: Aiming at the problems of small regulation range and slow speed of traditional voltage regulators such as compensation capacitors in distribution network line voltage compensation,a voltage compensation scheme of distribution network in sparse area was proposed,the voltage hierarchical coordinated control ...
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Number of views:3615 Amount of downloads:1642
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FU Xuhui,FANG Chun'en,XUE Tao,HUANG Leichao,CHEN Junping
Abstract: In order to ensure that the thyristor valve body can be accurately conducted during the solid state switch switching,a solid state switch trigger control unit was designed. Firstly,the structure and working principle of the solid state switch and the structure and function of the trigger control unit were ...
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Number of views:3840 Amount of downloads:1637
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CHENG Zhiyuan,LI Zheng,WU Longfei,CHEN Kun,SUI Licheng
Abstract: Wireless power transmission technology can effectively solve the problems of wear,leakage and soon in the energy transmission process of traditional plug-in electrical equipment because of its non-physical contactenergy transmission mode. In view of this,a new type of secondary side magnetic ring strip typ...
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Number of views:3280 Amount of downloads:1635
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LI Qi,CHEN Yihua,GUO Bin,ZHANG Deliang,GUO Shaoqing
Abstract: In order to solve the contradiction between the maximum consumption of new energy and thereserved power flow margin of operation section,a day-ahead coordination optimization method for complexcascaded power grid based on key section identification was proposed to achieve the orderly coordination among the...
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Number of views:3644 Amount of downloads:1633