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JIANG Wenhui，LIN Dong，YU Li，CHEN Bo，CHEN Yumin
Abstract: The voltage stability of power grid was briefly introduced，and the measurement method of voltagestability of phasor measurement unit（PMU）based on state estimation was proposed. This method mainly aims atthe voltage change caused by the load rate change. The voltage stability under different load conditions...
更多Number of views：2168 Amount of downloads：9043
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JIN Dan，ZHI Jing，XIN Shijin，YANG Jian，HUANG Yafei，XU Qing
Abstract：Voltage source converter（VSC）connected to weak AC power grid has the risk of small disturbanceinstability. Under the traditional control strategy，VSC has to reduce output power to maintain stable operation. Inorder to improve the stability of the weak grid connected VSC system，first established a universal ...
更多Number of views：2165 Amount of downloads：9024
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ZHAN Yubing，TAO Deshun，WANG Changxing，CHEN Liangliang，LIU Hongpeng
Abstract：In order to cope with the impact of large-scale access to new energy sources such as wind power，photovoltaic and electric vehicles on the spatial characteristics of the power grid，a novel dynamic probabilistictrend analysis method was proposed. Firstly，the probability distribution model of wind and light po...
更多Number of views：2162 Amount of downloads：9637
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FENG Xiang，YU Yue，LI Cheng，ZHENG Wei，LIU Jianhua
Abstract：The traditional ultra high speed permanent magnet synchronous motor（PMSM）driver uses PWMequivalent sine voltage output，which leads to severe motor heating due to large harmonics，and it cannot be used in situations where the input voltage changes over a large range，such as fuel cells. To reduce the heat gene...
更多Number of views：2161 Amount of downloads：9010
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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：2160 Amount of downloads：8472
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QU Bo，LI Xin，XIANG Xingyao，ZHANG Ping，WANG Dan
Abstract：A microgrid optimization scheduling model considering dynamic network reconstruction wasproposed for the parallel and off grid scheduling problem of microgrids. The proposed model was based on Bendersdecomposition and decomposes the optimal scheduling problem of microgrids into a grid-connected operationmas...
更多Number of views：2159 Amount of downloads：7675
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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：2150 Amount of downloads：8037
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LIAO Zhiwei，ZHUANG Jing，WANG Bowen，ZHENG Guangyu，XIE Xunkai
Abstract: Aiming at the problems that high voltage direct current（HVDC）transmission line protection andfault location are vulnerable to lightning interference，and the traditional lightning interference identificationmethods of transmission line based on time-domain and frequency-domain features exist the problems of...
更多Number of views：2145 Amount of downloads：9208
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ZHOU Yi，FANG Wei，GONG Min，XIA Xuesong，CHEN Yanling，HAN Ni
Abstract：Despite bringing several benefits to modern power systems，distributed generation（DG）andmicrogrids cause a significant impact on the operation of power distribution networks，especially with regard to theprotection system. In this new scenario，the adoption of smart protection systems capable of incorporating ...
更多Number of views：2144 Amount of downloads：7188
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A Sileng，WANG Peng，YAN Xiaomeng，MIAO Zhu，HOU Jinxiu，ZHAO Jiadong
Abstract：As an important feature of the future power system，the penetration of a high proportion ofrenewable energy sources significantly enhances the uncertainty of power system operation. The probabilistic loadflow calculation，compared with the conventional tidal current calculation，can fully consider the influenc...
更多Number of views：2140 Amount of downloads：10223
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LIU Zhipeng，QU Zhe，YU Cong，WU Qian，CHEN Bo，FANG Yaqi
Abstract：Over the years，machine learning has made some breakthroughs in the insulation defects of gasinsulated switchgear（GIS），but the traditional methods have the disadvantages of incomplete information，excessive reliance on artificial feature extraction and low diagnosis rate. In order to solve these problems，adia...
更多Number of views：2139 Amount of downloads：9035
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ZHAO Enlai，HU Yu，GUO Jun，SU Xinlei，LIU Pengyuan，YANG Jun
Abstract：In view of the fact that the original high-dimensional nonlinear power flow model cannot be appliedto the linear planning of distribution network，and the existing linear power flow model has the problem of weakuniversality，a calculation method of distribution network linear power flow was proposed consideri...
更多Number of views：2136 Amount of downloads：10113
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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：2134 Amount of downloads：6744
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LU Wentao，DOU Sheng，CHEN Liangliang，YANG Fengkun，ZHOU Ruichao
Abstract：To realize the real-time charging guidance of electric vehicles and improve the charging efficiency ofcharging stations，a real-time charging guidance strategy for electric vehicles based on hierarchical deepreinforcement learning was proposed. Considering the mutual coupling characteristics of vehicle-stati...
更多Number of views：2132 Amount of downloads：10242
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DONG Yue，LI Linwei，LI Feng，ZHAO Xianghua
Abstract：Low frequency transmission was adopted in the sending end of wind power farm，in order to reduceline impedance and charging current of distributed capacitance，improve the static stability limit and transmissioncapacity. Compared with using flexible DC converter valves to send power and connect to grid，modula...
更多Number of views：2122 Amount of downloads：9613
