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GUAN Wei，DONG Lei
Abstract：Among the junction temperature monitoring methods of insulated gate bipolar transistor（IGBT），the temperature-sensitive parameter method has attracted wide attention because of its fast response speed，low cost and easy on-line detection. Previous studies have shown that the gate threshold voltage（VTH）among t...
更多Number of views：1258 Amount of downloads：1440
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LI Zhe，LI Chengyuan，YUAN Yuan，CHEN Yujie，WANG Ziman
Abstract: Insulated gate bipolar transistor（IGBT）is widely used in the industry，but the IGBT junctiontemperature is easily affected by changes in operating conditions and the heat dissipation environment in which it islocated. Poor heat dissipation channels will cause the IGBT module to remain in a high temperature ...
更多Number of views：2662 Amount of downloads：1434
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ZHAO Jingjing，CHEN Linghan
Abstract: The penetration rate of renewable energy in the island AC microgrid was relatively high，and itssystem inertia was relatively low. The primary frequency regulation during island operation mainly relies onequipment such as diesel engines and energy storage. Using the fast adjustment characteristics of energy...
更多Number of views：1495 Amount of downloads：1433
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LIANG Biao，ZHANG Yiming，ZHANG Dong，LI Gen，WANG Xuhong
Abstract: With the increasing demand for geological exploration in complicated terrain in China，thedevelopment of helicopter transient electromagnetic system（HTEM）has been paid more and more attention. A pulse current transmitting circuit with multi-excitation sources was proposed to meet the demand of transmitting ...
更多Number of views：2353 Amount of downloads：1432
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WU Haoting，LIN Song，XIAO Feng，KE Lingqiang
Abstract: The research of virtual machine in substation plays an important role in many fields. In view of thelow maintenance efficiency of virtual machine substation，a virtual machine substation maintenance system based on virtual reality（VR）technology was designed. Using VR technology，the three-dimensional operati...
更多Number of views：1876 Amount of downloads：1430
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JIAO Xiaofeng，WEI Chao，HU Hongbin，FAN Zeguo，ZHANG Lihui
Abstract: With the acceleration of my country' s power spot market construction process，in order to solve theproblem of heat-electricity mismatch in the northern region，two different day-ahead scheduling strategies of aflexible co-generation plant based on the participation of cogeneration units in the day-ahead...
更多Number of views：1898 Amount of downloads：1425
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ZHANG Feifei，ZHANG Jun，WU Long，WU Xiaohui，XUE Zhanbo
Abstract: In order to solve the problems of false alarm rate and missing alarm rate in the traditional faultdetection method of substation primary equipment，a fault detection method of substation primary equipment based on deep convolution neural network was proposed. The substation primary equipment image and scene...
更多Number of views：2320 Amount of downloads：1424
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SUN Lunan，ZHOU Yong，LIU Xiaodong，LIU Yawei，WANG Haoyu
Abstract：Combined with the current software features and the requirements for function expansion of thecurrent test equipment engineering project，a set of test data analysis system was designed. The system includes the functions of remote test data monitoring，historical data playback，test data analysis，data predicti...
更多Number of views：880 Amount of downloads：1423
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DONG Yi，ZHOU Yufei，LIU Shuai，WANG Yingying
Abstract: The coupling coefficient of the loosely coupled transformer in the inductively coupled wirelesspower transmission（ICPT）system is a key parameter affecting the conversion efficiency of the wireless energytransmission system. To improve the coupling coefficient，an equivalent magnetic circuit model was establ...
更多Number of views：1777 Amount of downloads：1421
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XU Binbin，CHEN Chang，ZHANG Aoyu，WANG Yongqiang
Abstract: In order to study the distribution of magnetic field and temperature field of dry-type transformeriron core more accurately，analyze the influence of different excitation on the magnetic field loss and hot spottemperature rise of dry-type transformer core，firstly，Maxwell was used to calculate the transient ...
更多Number of views：1100 Amount of downloads：1419
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ZHANG Mingke，QIU Xiaoyan，SUN Xu，ZHANG Zhirong，REN Hao
Abstract: The growing electric vehicle（EV）charging load will produce significant impact on safe operationof distribution networks. The accommodation capability of EV charging load in traditional AC distributionnetworks is limited. AC/DC distribution networks with multi-terminal voltage source converter interconnecti...
更多Number of views：2778 Amount of downloads：1415
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WANG Chengliang，PAN Zhixin，ZHAI Xuefeng，XIAO Yuhua，LIU Yu
Abstract: The mathematical model of magnetic coupled resonant wireless power transfer（MCR-WPT）system based on LCC-S compensation topology was established. Meanwhile，the influence on the transmissionperformance of the system was analyzed from three aspects：operating frequency，compensating inductance andload impedance...
更多Number of views：1773 Amount of downloads：1408
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LI Linwei，FU Zhimin，CHEN Mingfan，HE Lipeng，QIN Dan，HUANG Lige，CHENG Xi
Abstract: With the opening of the electricity market，the scattered and high idle rate of distributed energystorage has realistic conditions to participate in the aggregation and reuse，and the aggregation process caneffectively improve the efficiency of the power grid. The electric vehicles were taken as a typical re...
更多Number of views：1846 Amount of downloads：1405
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王德明，李英量，贾俊辉，解晨，王语园
Abstract: The conventional overcurrent protection is ineffective in isolating faults in microgrids due to the lowfault current level contributed by distributed generations（DGs）. Because of its high agility and adaptability，themeasured impedance-based protection schemes are considered as common alternatives to detect...
更多Number of views：2164 Amount of downloads：1395
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PENG Daogang，GAO Yimin，QI Erjiang，ZHOU Yang，WANG Yongkun
Abstract: Oil spills from thermal power plants can pollute the drainage outlet，if not dealt with in time，it willalso pollute the river environment. Drainage outlet monitoring is from the angle of depression，therefore it is hard to identify accurately with the rectangular detection frame. Based on the image from the ...
更多Number of views：1185 Amount of downloads：1381
