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YU Shengcan，YU Tao，FENG Miaoyong
Abstract：Accurately and quickly identifying the fault types of traction transformers is a key technology forintelligent operation and maintenance. Aiming at the problems of single model deviation in the current traditionalalgorithm and the constraints between the iteration rate of complex models and the deployment o...
更多Number of views：1297 Amount of downloads：1973
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FANG Yong，SONG Tao，GUO Ziqiang，WANG Jian，GUO Jie
Abstract：With the continuous development of renewable energy sources and the increasing share ofrenewable energy in the grid，optimal coordination of maintenance work becomes increasingly important in order to ensure the safety of power supply in power systems considering renewable energy access. Current tools formai...
更多Number of views：1032 Amount of downloads：1971
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CHEN Zheng，WU Yangjin，HUANG Dingjie，WANG Chaojun，FU Xinhui
Abstract：Under the background of limited resources and time，equipment maintenance is considered as aneffective way to maintain the stable operation of the system. In order to allocate maintenance resources efficiently，the most critical equipment in the system should be identified first namely those that will cause s...
更多Number of views：1197 Amount of downloads：1970
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CHU Wenchao
Abstract:Transmission line tower as the normal operation of the power system of the necessary equipment，itsgrounding resistance accurate detection for the safe and stable operation of the entire power system is particularlyimportant，especially in the judgment of lightning protection performance and other aspects. Th...
更多Number of views：834 Amount of downloads：1969
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GUO Jiahao，YANG Xiong，FANG Xin，LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment，the detection efficiency ofthe traditional primary and secondary equipment testing method is very low，and it is no longer suitable for the new fusion switch equipment testing. In view of this，an integrated testing scheme for primary and s...
更多Number of views：1115 Amount of downloads：1961
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ZHANG Chunxiang，LI Xin，SUN Ning
Abstract：DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device，which is used in low-voltage electricalindustry for DC products for long time delay，short time delay，instantaneous tripping test and sh...
更多Number of views：1163 Amount of downloads：1940
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YAN Kun，GAN Jingfu，LIU Hongshun，SUI Yizhen，HE Pengkang
Abstract：A fusion prediction method was proposed to predict and correct the calculation deviation of the toptransformer oil temperature model in IEEE guideline，so as to realize the more precise prediction of the transformertop oil temperature（TOT）. Firstly，the characteristics of the transformer TOT model and the ext...
更多Number of views：1096 Amount of downloads：1931
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GAO Geming，YE Manhong，LIU Yanan，XU Hongqi，CHEN Fan
Abstract：Aiming at the problems of difficult identification of stacked outliers and insufficient extraction ofraw data features in the data-driven ultra-short-term power prediction of wind turbines，a prediction methodcombining data cleaning and parallel spatio-temporal neural network was proposed. First，a combined d...
更多Number of views：868 Amount of downloads：1930
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DI Ya，ZHANG Jinhua，QIAN Yang
Abstract：In DC power grid，when serious metallic short circuit fault occurs in the DC side line of voltagesource converter（VSC），the fault current has the characteristics of a fast rising speed and a large peak. The DCcircuit breaker is used to isolate the fault，which greatly increases the requirements for the quick a...
更多Number of views：969 Amount of downloads：1928
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LI Nengjun，YANG Haicheng，XU Xianke，LI Shushan，GAO Yuling
Abstract：The state of the DC system of substation is directly related to the normal operation of the substation.A new method for ground fault detection in substation DC systems，which is a combination of double-tree complexwavelet transform and singular value decomposition，was proposed to achieve fast and accurate lo...
更多Number of views：1260 Amount of downloads：1916
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LUO Xiang，LIN Dong，ZHANG Zhenyu，WANG Jueying，CAI Zhiping，LIN Ruoyin
Abstract：To tackle the issues of low execution efficiency and poor fault tolerance in traditional faultlocalization methods for active distribution networks using swarm intelligence optimization algorithms，a two-stagefault location method was introduced based on the SSA-RF algorithm and cosine similarity. Firstly，th...
更多Number of views：868 Amount of downloads：1897
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JIANG Yang，CHEN Zhong，WU Yongkang
Abstract：The permanent magnet synchronous generator（PMSG）is prone to current overstep in unbalancedgrid，which affects the reliability of grid-connected system. To solve this problem，low-voltage ride-throgh controlstrategy based on direct power control was proposed. In this strategy，the direct power inner loop was us...
更多Number of views：1028 Amount of downloads：1896
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CHEN Chen，DONG Pingxian，SONG Xiaofan，GUO Fang，QI Huanruo，DU Xiaotong
Abstract：After the distributed wind farm stations are integrated into the distribution network，due to thecharacteristics of wind farm short-circuit current amplitude control and frequency offset，the traditional three-stagecurrent protection of distribution network is difficult to accurately identify the fault on the...
更多Number of views：989 Amount of downloads：1892
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LU Lin，KONG Fanting，ZHANG Chunxiang，CHEN Jian，WANG Lianjie
Abstract：Static var generator（SVG）can governance power quality，energy conservation and reduceconsumption，furthermore it is an energy consumption product.The reasonable evaluation of the energy saving ofthe device has become an urgent problem to be solved. The power saving measurement technology of products wasstudie...
更多Number of views：905 Amount of downloads：1890
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LÜ Zhengyu
Abstract：The power transmission and transformation system is an important link of power transmission. Inorder to reduce the cost of operation and maintenance and improve the recognition effect，an application method of automatic identification and control of transmission and transformation vulnerable lines was propos...
更多Number of views：1281 Amount of downloads：1888
