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GUO Jiahao,YANG Xiong,FANG Xin,GUAN Jiamin
Abstract: The secondary voltage signal output by electronic capacitive voltage transformer in the primary andsecondary fusion equipment is very weak,which is easy to be interfered by high-order harmonics,resulting inunstable signal transmission. In order to solve these problems,a high-order and high-precision filter...
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Number of views:1010 Amount of downloads:717
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XU Junyue,LIU Yi,GUI Jiae
Abstract: Aiming at the problems of three-phase load imbalance,power quality degradation and harmonicdispersion in current electronic power distribution system,a comprehensive power quality control scheme with fastdynamic response and small output harmonic was proposed,which includes comprehensive control mode andco...
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Number of views:902 Amount of downloads:863
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WANG Haiyan,WU Ziran,QIAN Qi,XIA Chuyang,XU Haibo,LIN Zhenquan
Abstract: In order to improve the short-circuit breaking capacity of solid-state circuit breaker(SSCB)in DCsystem,a multi-objective optimization method that explores component parameters to achieve optimal breakingcharacteristics was proposed. A detailed analysis of the breaking process of the SSCB during a short-ci...
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Number of views:896 Amount of downloads:807
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HAN Song,YU Zhiqiang,WANG Mingyue,YU Hongze,JIA Pengfei
Abstract: Under the background of carbon emission reduction,fully controlled power device IGBT is widelyused in various of converters with its excellent performance,effective and reliable drive circuit is crucial to the safeoperation of IGBT,especially for high-power applications. Aiming at the requirement of flexib...
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Number of views:791 Amount of downloads:624
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LIANG Zhen,WANG Yong,BAI Haibin,ZHANG Zhiyu,SUN Qianhao,CUI Bin
Abstract: Based on full-bridge(FB)and half-bridge(HB)sub-modules(SMs),the conventional hybridmodular multievel converter(MMC)is a typical topology of MMC with DC fault clearing ability. However,theproportion of FB SMs in conventional hybrid MMC is usually greater than 50%,so as to increase the cost andlosses. To sol...
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Number of views:715 Amount of downloads:728
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CHEN Ling
Abstract: With the large increase of load users,the load side adjustable resources gradually increase,and theload side demand response(DR)resources are used to participate in microgrid scheduling to improve the level ofnew energy consumption. In order to give full play to the scheduling potential of DR resources and...
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Number of views:720 Amount of downloads:781
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LÜ Yi,LIANG Wenbo,WANG Qing,LIU Entao
Abstract: The traditional active distribution network location and capacity determination ignores the multienergycomplementary coordination characteristics of the energy system,which led to high cost. Therefore,anactive distribution network location and capacity determination method based on energy interconnection w...
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Number of views:774 Amount of downloads:544
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LI Mingke,ZHONG Jinxing,XUE Yan,XIONG Xiaosheng,LIU Junwei,DENG Lina
Abstract: In order to effectively manage the grid short-circuit current overrun problem,optimization decisionmaking evaluation method of short-circuit current limitation scheme based on hybrid decision model considering asymmetric closeness was designed. Considering the relevant influence of the short-circuit curren...
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Number of views:811 Amount of downloads:524
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WU Tong,LI Jian,LI Guodong,LIU Lu,ZHU Liguo,FENG Minshan
Abstract: There are many elderly people with limb disorder in China,and exercise rehabilitation technology isan effective means of rehabilitation treatment. However,the serious imbalance of doctor-patient ratio makes itdifficult for everyone to enjoy rehabilitation medical services. Impedance control technology is u...
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Number of views:723 Amount of downloads:868
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HU Qingjun,CAO Xinhui,FENG Yu,ZHU Lipeng,ZHAO Wenjing,WEI Yushan
Abstract: The process automation control system L2 of an aluminum zinc plating production line wasexplored. In response to potential production faults on the production line,a process data control module of theprocess automation control system was provided. Through the analysis of process data,the fault location of ...
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Number of views:770 Amount of downloads:650
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ZHANG Guoqiang,NIU Ben,YANG Hua,WANG Gaolin,XU Dianguo
Abstract: Maximum torque per ampere(MTPA)control is one of the important methods to improve theefficiency of sensorless drive system of permanent magnet synchronous motor(PMSM). In the sensorless drivesystem,the traditional calculation method deduces the analytical solution of the optimal current vector angleaccordi...
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Number of views:1074 Amount of downloads:1098
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ZHANG Guoqiang,LI Rundong,HUANG Yuanming,DING Dawei,WANG Gaolin,XU Dianguo
Abstract: Supply interruption may occur during the operation of permanent magnet synchronous motor(PMSM)in some special applications and it needs to be restarted in the rotating state which is called flying start,the accurate initial position/speed observation is the foundation of flying start. Aiming at the problem...
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Number of views:1333 Amount of downloads:808
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LIU Tong,YIN Zhonggang,BAI Cong,YUAN Dongsheng
Abstract: In order to improve the position sensorless control performance of permanent magnet synchronouslinear motor(PMSLM),a position sensorless control method based on disturbance compensated flux observer(DCFO)was studied. This method treats the notch filter as a disturbance observer and combines it with a feedb...
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Number of views:1135 Amount of downloads:969
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YUAN Minxin,YIN Zhonggang,LUO Peien,ZHANG Yanqing
Abstract: To address the problem of the long detection time of the current detection method during the opencircuit fault diagnosis of inverter insulated gate bipolar transistor(IGBT)of the permanent magnet synchronousmotor(PMSM)drive system,an error current polarity method based on model predictive current control(M...
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Number of views:1202 Amount of downloads:869
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LIU Huichen,LI Zhen,SU Weifeng,YUWEN Bo,LI Haitao,ZHANG Zhenbin
Abstract: In the long cable driven induction motor drive systems,speed sensorless control is usually adopteddue to the long distance between the controller and the motor. In addition,long cable increases the stator sideimpedance of the induction motor,especially the equivalent stator resistance by an order of magnit...
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Number of views:1036 Amount of downloads:793