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TIAN Kai,WANG Ziman,CHU Zilin,YU Zhibin,YUAN Yuan,SONG Peng
Abstract: A method to extract the equivalent thermal resistance parameters of double-sided water-cooledheatsink was proposed. Based on this method,the real-time calculation of junction temperature and overtemperature protection of integrated gate commutation transistor(IGCT)power device were implemented by the water...
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Number of views:3064 Amount of downloads:1514
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LI Mingyang,NIU Pingjuan,LI Yuhong,LI Ying,SUI Yu
Abstract: The offset characteristics of transmitting and receiving coils manufactured by different wirelesselectric vehicle manufacturers are a critical issue to ensure the interconnection of domestic and international vehiclecharging. The 3.7 kW wireless energy transmission system was modeled and the SS-type topolo...
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Number of views:2661 Amount of downloads:1512
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YOU Hao,SHI Hengchu,YANG Yuanhang,LI Yinyin,ZHU Qingcheng,XU Tengfei
Abstract: In order to solve the problems that the portable wave recording device needs to sample AC/DCvoltage samples with different input voltages,AC/DC current signals with different input currents and high sampling rate,an analog signal isolation sampling circuit was designed for portable wave recording device.Th...
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Number of views:3323 Amount of downloads:1512
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ZHAO Kuanxiang,YOU Jiawei,LIU Hongxun,LING Yuesheng,TIAN Rui
Abstract: The electrolytic capacitor is used as the energy storage element in the traditional LED power supply.The life of electrolytic capacitor is short which limits the life of LED power supply. In order to improve the servicelife of the power supply,a single-stage low switch stress structure was proposed on the ...
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Number of views:3661 Amount of downloads:1512
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WU Ming,LÜ Zhipeng,WANG Xin,YANG Wanli,ZHOU Shan,LIU Xiaojuan
Abstract: Multi-energy complementary DC micro-grid is of great significance to achieve sustainable energydevelopment. Based on the typical DC micro-grid with various energy forms including wind,solar,gas and battery,a multi-energy DC micro-grid operation control strategy considering the complementary inertia of gas ...
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Number of views:3340 Amount of downloads:1509
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LI Yangyang,HU Jinlei,LAI Junju,WANG Wei,YANG Fan
Abstract: Aiming at the on-site live detection data of switchgear,a mean-shift clustering algorithm based onmulti-dimensional feature quantity was proposed to identify the abnormal partial discharge of switchgear. Theswitchgear partial discharge detection data which include dispersion,average distance percentage,con...
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Number of views:3465 Amount of downloads:1501
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XUE Yufeng,SU Jianhui,WANG Haining,DU Yan
Abstract: When the input DC voltage is high,considering the limited voltage endurance capability of the powerswitch of the inverter,an input-series and output-parallel(ISOP)inverter topology was adopted,which is composed of two single-phase full-bridge inverter modules. The input DC voltage could be divided equally ...
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Number of views:1953 Amount of downloads:1498
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DUAN Huiqin,HUANG Zhiyong,DU Shuping,YAN Tianbi,WEI Yongheng,WEI Hongxing,CHENG Zhuo
Abstract: Bidirectional DC-DC converter is the key equipment to realize the power balance of DC microgrid,and the accurate distribution of load current is one of the main objectives of multi converter parallel control. Aimingat the current sharing problem of bidirectional DC-DC converter,a current sharing control ba...
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Number of views:3318 Amount of downloads:1496
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GUO Leilei,ZHU Linqiang,CAO Lingzhi,LI Yanyan,WANG Pengshuai
Abstract: The accurate estimation of rotor angle is an important prerequisite for realizing speed sensorless highperformance vector control of permanent magnet synchronous wind generator. In the speed sensorless control ofpermanent magnet synchronous wind generator based on disturbance observer,the traditional angle...
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Number of views:2391 Amount of downloads:1495
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GAO Xiaozhi,QIAO Yu,CAO Xin,LI Zheng,SUN Huiqin,SUN Hexu
Abstract: DC active power filter(DC-APF)can effectively suppress the bus voltage ripple of DC microgrid. Inorder to solve the problem that DC-APF can not work normally due to the failure of switching devices,a fault-tolerant DC-APF topology based on H-bridge converter was proposed,which could ensure the power qualit...
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Number of views:2576 Amount of downloads:1491
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CHEN Qun,ZHOU Jiemin,HONG Feng,ZHENG Gang,XI Zhiyang
Abstract: The solid-state power controller,which integrates the functions of traditional power distributiondevices such as circuit breakers and relays,is the core component of the all-electric aerospace vehicle powerdistribution system.Among them,the inverse time overcurrent protection technology is one of the key t...
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Number of views:2312 Amount of downloads:1490
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FU Lulu,ZHAO Hong
Abstract: The classical model prediction algorithm of three-level grid-connected converter has manydisadvantages,such as large computation,unfixed switching frequency and difficulty in selecting weight factors,which limit its development in grid-connected converter field. To solve above problems,a modified control a...
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Number of views:3432 Amount of downloads:1490
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SHEN Hangyu,FAN Xiaochao,SHI Ruijing,WANG Weiqing, WANG Haiyun,CHENG Zhijiang
Abstract: In order to solve the problem of heat dissipation in the process of producing hydrogen fromelectrolytic water and generating electricity from fuel cells,an independent photohydrogen fuel cell thermoelectriccombined supply system was designed according to the principle of water cooling heat dissipation betw...
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Number of views:2377 Amount of downloads:1477
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YAN Hao,BA Sang,GU Yi
Abstract: Insulation failure can cause motor turn-to-turn,phase-to-ground and ground-to-ground faults,ranging from equipment downtime,or endangering personal safety,resulting in catastrophic consequences. In order to be able to carry out online sensitive monitoring of the deterioration state in the early stage of tu...
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Number of views:3522 Amount of downloads:1473
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NIU Shengsuo,CHENG Bo,LI Jinbo,LÜ Linfei,FU Xiulai
Abstract: Avoltage disturbance detection method based on mathematical morphological filtering and derivationdq transformation was proposed. Firstly,in order to reduce the interference of pulses,harmonics and other noises in the signals to be detected,a composite morphological filter was constructed based on adaptive...
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Number of views:1970 Amount of downloads:1466