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ZHOU Wen,YANG Shaobo
Abstract: In the DC microgrid,bus voltage stability is the key to maintain the normal operation of the system.Load switching and distributed micro-source power fluctuations will affect the stability of the DC bus voltage. Tosolve the above problem,a compensation control strategy based on the residual generator was p...
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Number of views:2369 Amount of downloads:1524
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CAOWei,GUI Shicheng,HUANG Ruanming,HE Bilun,QIN Huancheng
Abstract: With the expansion of the interconnection scale of the power system,the impedance ratio of thepower grid increased gradually,thereby the breaking capacity of the circuit breaker was affected by the increasingattenuation time constant of the DC component of the short-circuit current .At present,the periodic...
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Number of views:2360 Amount of downloads:1458
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DING Zancheng,WANG Dajun,LI Wanxiang
Abstract: In view of the problem that the dangerous points in transmission lines affect the stability of powersystem,the technology of identifying and controlling the transmission line dangerous points based on multidimensional perception was studied,which can control the transmission line risk in time,reduce noise ...
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Number of views:2358 Amount of downloads:1405
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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 ...
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Number of views:2294 Amount of downloads:1380
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XU Changbao,DING Jian,SONG Hongjian,PAN Chengda, SUN Pengbo,WANG Qihua,CHEN Hui
Abstract: An optimization method was proposed to layout electric vehicle charging facilities consideringpower quality constraints. A comprehensive power quality index model considering the average value of nodalthree-phase unbalance degree and the maximum value of nodal voltage deviation was established. Meanwhile,t...
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Number of views:2272 Amount of downloads:1323
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QIAN Xiao,MA Xiang,LÜ Leiyan,ZHANG Wenjie,WANG Ning,ZHI Yuemei
Abstract: Traditional power grid dispatching alarm algorithm has low alarm instruction operation efficiency,low power grid dispatching failure burst rate and high alarm error alarm rate,so the power grid dispatching alarmassociation rules and decision tree algorithm based on knowledge graph were proposed. The associ...
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Number of views:2261 Amount of downloads:1365
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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...
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Number of views:2259 Amount of downloads:1292
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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:2257 Amount of downloads:1733
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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:2228 Amount of downloads:1736
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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:2223 Amount of downloads:1581
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HU Xiaoyu,ZHOU Yuanxiang,CHEN Jianning,ZHAO Yunzhou,LIU Jun
Abstract: As a new type of insulating oil in the power industry,natural gas insulating oil is excepted to solvethe bottleneck problem of high-quality transformer oil's insufficient supply in the future. However,its electricalparameters including partial discharge withstand strength and sweep frequency spectrum c...
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Number of views:2218 Amount of downloads:1312
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GAO Shanxue,YANG Xin,SHEN Wenbing,ZHONG Wei,ZHANG Shuai,WANG Min
Abstract: DC microgrid usually consists of a plurality of power electronic converters with feedback controlconnected to a common DC bus. Although the control loop design of each individual converter has a good stabilitymargin,the interconnection of multiple power and load converters can cause stability and performan...
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Number of views:2210 Amount of downloads:1487
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SHI Shaoqing,ZHANG Leping,ZHANG Bensong,WU Haowen,LIAN Xinkai,DU Shushuai
Abstract: In order to apply the smart meters with load identification technology into real application,a nonintrusive load identification method using Mean-shift clustering algorithm with siamese network framework wasproposed. In this method,the load event was carried out for extracting the features,including active...
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Number of views:2200 Amount of downloads:1958
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TONG Zhan' anxin,SU Jianhui,ZHANG Jian,DU Yan
Abstract: The requirements for wireless charging of automated guided vehicle(AGV)batteries are low voltageand high current,full-wave-synchronous-rectification(FWSR)can improve efficiency and reduce costs. Firstly,AGV wireless charging topology and working principle were introduced in detail. Secondly,aiming at the p...
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Number of views:2185 Amount of downloads:1465
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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:2177 Amount of downloads:1505