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NIU Shengsuo,WU Zhenan,HUANG Shengpo
Abstract: The test of the internal cable conductivity of the traditional bullet train is time-consuming andlaborious,which increases the probability of false detection,seriously affects the accuracy and reliability of cabledetection results of bullet trains,and greatly reduces the safety and stability of bullet trai...
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Number of views:3344 Amount of downloads:1354
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TANG Jiayuan,ZHAO Wenbin,LU Wu,GAO Yuan
Abstract: Under the electric power market environment,the key to achieve the joint operation of virtual powerplants lies in the profit distribution among the internal multi-subjects. To solve the impact of the final profitdistribution,which is caused by the uncertainty of the clean energy output of each main body in...
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Number of views:3182 Amount of downloads:1351
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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:3516 Amount of downloads:1351
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DING Yi1,LIU Shengzhong,WANG Xudong,HUO Xianxu,HU Zhigang,JIANG Fan
Abstract: The estimation method of state of health(SOH)of lead-acid battery based on chaotic particle swarmoptimization-Gaussian process regression(CPSO-GPR)was proposed. Firstly,the voltage and current curves of leadacid battery during charging process were investigated,and the characteristics of constant current c...
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Number of views:3286 Amount of downloads:1350
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TANG Taonan,WANG Jian
Abstract: Aiming at the fault-tolerant operation problem of induction motor driving system with sensorfailures,a smooth fault-tolerant control strategy combining indirect field-oriented control(IFOC),direct torquecontrol(DTC)and V/f control was proposed. The indirect field-oriented controller and the direct torque c...
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Number of views:3178 Amount of downloads:1347
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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:3324 Amount of downloads:1345
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DING Qiang,JIANG Yingxu,NI Tuocheng
Abstract: Firstly,the radial force mathematical model of central winding bearingless slice permanent magnetmotors was built. Subsequently,parameters tuning theory of displacement loop PID controller for bearingless motor suspension system was studied,and its inherent drawbacks of PID controller when used for bearing...
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Number of views:2549 Amount of downloads:1343
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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:2429 Amount of downloads:1342
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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:2142 Amount of downloads:1340
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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:2927 Amount of downloads:1340
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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:2510 Amount of downloads:1338
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YANG Xinai,LI Bingran
Abstract: A dispatchable droop control method for multiple distributed generators which can be applied inislanded AC microgrids was proposed. In the proposed method,the first-order inertia elements was utilized toachieve pseudo hierarchical control so that the distributed generator(DG)could share the load automatica...
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Number of views:3182 Amount of downloads:1335
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DAI Yemin,LI Yukun,LIN Shunfu,BIAN Xiaoyan,LI Dongdong
Abstract: With the wide application of new energy grid connection technology,a large number of powerelectronic devices are connected to the power grid,and the power quality is affected by harmonic interaction. Aiming at the harmonic interaction problem of multi-inverter grid-connected system,the multi-input and mult...
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Number of views:3118 Amount of downloads:1331
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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:3202 Amount of downloads:1331
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REN Wei,ZHAI Bohao,PENG Weisong
Abstract: With the improvement of computer operation level,data-driven technology is widely used inmetallurgical industry. Accurate prediction of rolling force is helpful to shorten the length of strip head and tail andimprove the yield of strip. In order to solve the problem of low prediction accuracy of data-drive...
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Number of views:3040 Amount of downloads:1327