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DAI Feng，CHEN Xuan，WANG Lixian，MA Hongzhong
Abstract: Partial discharge fault diagnosis and location of gas insulated metal enclosed transmission line（GIL）is of great significance for its internal insulation protection. Because GIL is fully enclosed structure，theexisting external detection method is not sensitive to the internal defect detection，so it is unab...
更多Number of views：2180 Amount of downloads：1355
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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：2169 Amount of downloads：1309
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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 ...
更多Number of views：2166 Amount of downloads：1347
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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...
更多Number of views：2165 Amount of downloads：1396
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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...
更多Number of views：2142 Amount of downloads：1256
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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 ...
更多Number of views：2113 Amount of downloads：1656
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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...
更多Number of views：2109 Amount of downloads：1647
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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...
更多Number of views：2108 Amount of downloads：1270
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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...
更多Number of views：2068 Amount of downloads：1392
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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：2039 Amount of downloads：1243
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LI Lingxin，JIAO Yuping，SUN Jiacheng，DENG Fujin，ZHANG Qi，REN Biying
Abstract: High voltage converter is often used in high voltage direct current（HVDC）transmission system tocontrol power supply nearby at high potential. However，the high bus voltage and its wide range fluctuation in themodule pose a challenge to the high reliability design of power supply. To solve this problem，a hig...
更多Number of views：1998 Amount of downloads：1755
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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...
更多Number of views：1994 Amount of downloads：1801
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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...
更多Number of views：1990 Amount of downloads：1243
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TANG Weifeng，WANG Changjiang
Abstract: In the motor controller of new energy vehicles，due to insufficient current capacity，high cost，andlimited heat dissipation capacity，parallel power devices are often used to extend current capability of power inverter for EV applications. Current imbalance can be caused by device parameter tolerances，parasit...
更多Number of views：1981 Amount of downloads：1380
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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...
更多Number of views：1970 Amount of downloads：1466
