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MA Xiaoliang
Abstract: Several problems and their solutions of high-performance inverter-fed motor drive systems wereintroduced: the features and some matters needing attention of two- closed-loop systems; how to improve speedfollowing performance during starting and breaking and to improve anti-disturb ability by means of predicti...
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Number of views:7864 Amount of downloads:4346
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ZHOU Ning
Abstract:Focusing on the central position of AC power frequency converter in the development of the nationaleconomy,emphasizingd their critical impact on the safety and efficiency of industrial production. In view of the rapid development of power electronics technology,the field of AC power frequency converter has ...
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Number of views:97 Amount of downloads:163
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LUO Ranjie,LI Qian,GAO Jing,FENG Chongwen,MAMengyuan,GUO Peijian
Abstract:The development status of electric drive systems in the industrial sector and their significance inpromoting green and low-carbon transformation were studied. As a crucial control and energy-saving equipment inthe industrial sector,electric drive systems face numerous challenges posed by unchecked developme...
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Number of views:474 Amount of downloads:393
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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
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LIU Juan,HU Xiaolei,TENG Yiyina,ZHANG Shiqi,ZHANG Zhe
Abstract: Hydrogen fuel cells air compressor is an important accessory of hydrogen fuel cell,but the high costcaused by its high energy consumption hinders the further development of hydrogen fuel cell. In recent years,theindustry has gradually adopted variable frequency drives to control the operation of hydrogen f...
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Number of views:943 Amount of downloads:1004
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KONG Fanting,CHEN Jian,DI Meixian,FU Baoxin,WANG Jianquan
Abstract: Electric power system is becoming more and more power electronization with each passing day,additional losses of the power grid caused by the power quality problem is becoming more and more serious witheach passing day. Solving the power quality problem has become the new way to help the power grid to save...
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Number of views:1340 Amount of downloads:903
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JIN Yongchun,CHEN Li,ZOU Yusheng,DUAN Chengwu,YAO Jian
Abstract: Due to the advantages of high efficiency,wide speed range,high torque density and great controlperformance,permanent magnet synchronous motors(PMSM)have been widely used in driving systems of electric vehicles(EVs). However,as the increase of power density,the problem of temperature rise caused by loss hea...
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Number of views:2408 Amount of downloads:2478
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ZHENG Xiaoyong,DENG Jinxiang,HU Ren,WANG Hong
Abstract: Brushless DC motor has been widely used in the market because of its long life,high reliability andhigh torque. The sensorless control method can avoid a series of problems caused by the position sensor and furtherexpand the application of the brushless DC motor. Compared with the traditional sensorless co...
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Number of views:2286 Amount of downloads:1350
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LIN Xin,GAO Xiang,XIE Zhen,XU Kebao,ZHANG Xing
Abstract: With the increasing proportion of wind turbines,the characteristics of low inertia and weak dampingpower grid become more obvious,which brings new challenges to the smooth operation of power grid. Traditionalcurrent-controlled strategy is difficult to obtain accurate grid synchronization information in wea...
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Number of views:2470 Amount of downloads:1495
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WANG Xiaoyang,ZHAO Jinbin,ZHU Yuxin
Abstract: With more and more renewable energy devices and loads connected to the traditional power grid bypower electronic equipment,the negative resistance characteristics of power electronic equipment lead to the weakinertia characteristics of high power electronic power systems. Therefore,the stability of the mul...
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Number of views:2877 Amount of downloads:1756
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ZHOU Jinghua,YAN Tianle,GUO Leixuan,ZHANG Xiaowei
Abstract: With the high penetration rate of new energy power generation in microgrids and the application ofhigh proportion of power electronic equipment,coupled with the access of a wide variety of loads such as unbalanced and non-linear loads and energy storage device,the power quality problems in microgrids have ...
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Number of views:3025 Amount of downloads:1852
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MA Xiaolu,WANG Zhixiong,DUAN Yanmin,ZHANG Lei,WU Yi,QI Zhuoya,HOU Jue
Abstract: The significance of promote high-efficiency motor and motor system in China was analyzed bymeans of literature research,questionnaire survey and enterprise survey. Policies and measures for the promotion of high-efficiency motors and motor systems were sorted out. Conduct market research on high-efficiency...
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Number of views:3021 Amount of downloads:1602
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CUI Kaishun,ZHU Lan,WEI Linlin,TIAN Zeqing,LI Xiaojun
Abstract: Demand response to meet the power balance between supply and demand in the new generationresources without investing. The achievement of China's carbon neutrality goal by 2060 will surely bring aboutprofound changes in the structure of energy supply and demand. The effective development of demand-side ...
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Number of views:3358 Amount of downloads:2609
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YU Jia,Wang Xiaorong,Dai Yuesheng,LI Xuan
Abstract: With the advance of smart power grid construction,the terminal laying rate of intelligent acquisitionequipment has been greatly improved,and the demand-side terminal electrification has become an irreversible trend.In recent years,the problems of users' default power supply and private overlapped lines...
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Number of views:4166 Amount of downloads:2123
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YANG Zhenshu,SUN Xiaozhe,YANG Jianzhong,MAO Qi
Abstract: The fault diagnosis technology of the flight electromechanical actuation system is of greatsignificance to improve the reliability of the aircraft actuation system and ensure the safe operation of the aircraft.Considering the problems and challenges encountered in the application of fault diagnosis technol...
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Number of views:4607 Amount of downloads:2584