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WANG Yifeng,ZHANG Mingzhi,CHEN Bo,CHEN Mengying,CHEN Chen,XIE Wenqiang
Abstract: In order to provide a theoretical basis for the research of universal adapters in DC power distributionsystems,it is particularly important to fully understand the characteristics of DC household loads. A large number ofexperiments and tests were carried out on DC resistive home appliances among common DC ...
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Number of views:3474 Amount of downloads:1932
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LING Chunyang,LIU Fang,LI Hao,ZHAO Yang
Abstract: SiC MOSFET devices have the characteristics of high switching frequency,low loss,and hightemperature resistance,which can significantly improve the power density and efficiency when used in wirelesscharging. However,in the control of the wireless charging converter,hard turn-on and hard turn-off are easy t...
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Number of views:3931 Amount of downloads:1816
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CHEN Zhixiu,LIU Yang,ZHANG Hanshu,XIAYe,WANG Hao,LIU Xin
Abstract: In the period of high and new technology development,the application of SiC and other newsemiconductors promotes the development of PCB design toward integration and high efficiency. The new ideas were provided for PCB design optimization from two aspects of high frequency and high density. Among them,ther...
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Number of views:3673 Amount of downloads:1655
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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:2469 Amount of downloads:2536
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LIU Hong,XU Shihao,YANG Lingsheng
Abstract: The frequency division phenomenon of the wireless power transfer(WPT)circuit in the electricvehicle wireless charging system under the premise of the optimal load resistance was discussed.In the optimizedWPT circuit,by changing the value of the coupling coefficient(k) between the master and slave coils in ...
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Number of views:2145 Amount of downloads:1341
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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:2139 Amount of downloads:1299
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YIN Yongliang,WU Qiong,ZHANG Jianping,ZHANG Heng,CHENG Haozhong,ZHANG Xiaohu
Abstract: With the increasing scale of wind power installation and grid connection,the interconnection ofpower grids through tie lines can absorb wind power in a wider range,but the uncertainty of wind power output leads to an increase in the risk of system operation. Conditional value-at-risk(CVaR)was introduced in...
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Number of views:2153 Amount of downloads:1360
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FU Yang,SIMA Chao,TIAN Shuxin,CAI Pengcheng,GU Jiping,LIU Shu
Abstract: Expected fault screening of smart distribution network is an important basis for system security situation assessment. In order to comprehensively and accurately perceive the security risk of smart distributionnetwork,a micro-synchronous phasor measurement unit(μPMU)with real-time,synchronicity,accuracy an...
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Number of views:1814 Amount of downloads:1365
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LIU Ronghui,MA Tiantian ,SUN Gaiping
Abstract:The potential dispatchable resources of electric power,heat,cool and gas in the integrated energysystem(IES)are important contributors to reduce the operating cost of IES. In order to guarantee the customersatisfaction while reducing operating cost of IES,a IES day-ahead optimal dispatch model considering a...
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Number of views:1864 Amount of downloads:1232
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WANG Chao,CAO Wei,ZHANG Xuhang,QIU Chunfeng,CHEN Wei,LI Yun
Abstract:Based on the low-speed communication network,a multi-energy storage operation method of DCmicrogrid with improved power droop control was proposed so as to realize the balanced control in three aspects:state of charge(SOC)balance,rational power distribution among energy storage units and stable bus voltage....
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Number of views:1836 Amount of downloads:1098
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ZHAN Chengkang,LI Xiaolu,LU Yiming,LIU Riliang,LI Congli
Abstract: With the access of large-scale distributed energy resources in active distribution network,thetraditional centralized control architecture system will not effectively deal with a large number of distributed unit,so it is necessary to study the optimal scheduling of distributed resource cluster in active di...
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Number of views:1764 Amount of downloads:1022
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ZHANG Jinbo,YAN Lei,SHI Jian,HUANG Xiaoyu,YANG Dishan,YAN Tongyu
Abstract: A large number of voltage fluctuations will occur in the grounding process of optical storage DCmicrogrid,which has a bad impact on the stability of microgrid power signal. Due to the poor voltage disturbancesignal capture ability of the present optical storage DC microgrid grounding anti-interference tech...
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Number of views:1780 Amount of downloads:968
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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:2356 Amount of downloads:1395
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GUO Peijian,JI Shiqing,LIU Juan,HE Jinwei,BAI Yang,GUO Yan
Abstract: Due to the special characteristics of the structure and load of the traction power supply system,serious imbalances can occur in the three-phase power supply system,which restricts the development of highspeed,heavy-haul railways. The structure of a single-three-phase combined co-phase power supply system ...
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Number of views:1990 Amount of downloads:1460
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YE Jianmin,WANG Ruoyu,LUO Hongmei,XIE Yan
Abstract: The receiving end hybrid line commutated concerter based voltage source converter(LCC-VSC)notonly has the advantages of LCC and VSC,but also adopts the structure of high-voltage valve group LCC and lowvoltage valve group three-end parallel VSC in series at the receiving end. Therefore,the receiving end hyb...
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Number of views:1991 Amount of downloads:1458