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CAI Weiliang，CHENG Haifeng，PAN Zhixuan，CHENG Jin，DAI Mingli
Abstract: The grid connection of doubly-fed induction generator（DFIG）leads to the reduction of systemequivalent inertia and primary frequency regulation capacity. With the increase of DFIG grid connection scale，theproblem of system frequency regulation becomes more and more serious. In view of this problem，frequency...
更多Number of views：2050 Amount of downloads：5194
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SUN Jia，HAN Shuntian，NI Lianghua，LÜ Ganyun
Abstract：While a large number of distributed generator（DG）keep penetrating into distribution networks，the problems such as voltage violation and network power congestion become more and more serious. Soft open point （SOP）can quickly achieve flexible interconnection and accurate power flow control，effectively address...
更多Number of views：1976 Amount of downloads：5151
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YANG Yanfang，LIANG Zhonghao，ZHANG Meiling，LIU Jiayi
Abstract: Aiming at the problem of low accuracy and comprehensiveness of current identification methods，amethod of reverse power anomaly identification in digital electric energy meter information sampling was proposed.Through the data acquisition system，the digital electric energy meter information sampling work was...
更多Number of views：2306 Amount of downloads：5126
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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：2965 Amount of downloads：5122
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JIANG Yehai，JIAO Hao，CHEN Zhi，MA Jiayang ，LI Bin
Abstract：To improve the quality of power distribution network parameters，an abnormal parameteridentification and localization method for distribution networks based on smart meter measurements was proposed.The method transformed the nonlinear identification equation solving problem in traditional identificationalgor...
更多Number of views：1877 Amount of downloads：5110
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WANG Zhengqi，WEI Wei
Abstract：Flexible multi-state switch（FMSS） is a new type of power electronic device that replacestraditional tie switches and is applied to modern distribution networks. It can optimize the consumption andregulation of distributed power sources in modern distribution networks. The FMSS controlled by VSG is notaffect...
更多Number of views：2187 Amount of downloads：5101
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LÜ Yi，LIANG Wenbo，WANG Qing，LIU Entao
Abstract: The traditional active distribution network location and capacity determination ignores the multienergycomplementary coordination characteristics of the energy system，which led to high cost. Therefore，anactive distribution network location and capacity determination method based on energy interconnection w...
更多Number of views：2106 Amount of downloads：5078
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ZHANG Jun，GONG Min，ZHOU Yi，XIE June，CAO Lei，LIU Yingying
Abstract：In traditional current protection，the effective value of current is compared with the setting value toidentify the fault which is the typical protection scheme for the transmission lines of the power distribution systems.The current is calculated by the fast Fourier transform algorithm. As the calculation o...
更多Number of views：2162 Amount of downloads：5049
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ZOU Jia，ZHANG Jianqiao，JI Chengchun
Abstract: Aiming at the problem that the accuracy of the speed estimation of the traditional model referenceadaptive system（MRAS）method without speed sensor decreases after the speed load mutation in the low speedrange，a speed identification method based on the combination of back propagation（BP）double-layer artific...
更多Number of views：1795 Amount of downloads：5049
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KAN Chaohao，YAO Xiaojian，QI Ankang，WANG Zhisheng， WANG Pengcheng，CHEN Gong
Abstract：Three-phase asynchronous motor is one of the most frequently used motors. Inter-turn short circuitfault is a kind of fault with high probability. If the real-time monitoring of motor operation，health and safetyevaluation of the operation，will be able to timely stop losses，reduce losses. An inter-turn fault ...
更多Number of views：1591 Amount of downloads：5019
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LI Yunwang，CHEN Junde，ZHANG Daping，SANG Yun，HAN Xiaolei
Abstract：An adaptive active arc suppression method based on S-transform correlation degree for distributionnetwork unidirectional grounding was proposed to effectively eliminate single-phase grounding fault arc indistribution network and improve power system stability. The time series data of zero-sequence current o...
更多Number of views：1946 Amount of downloads：5009
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ZHANG He，CAO Tianbi，LI Xianyun
Abstract: In view of the complex transient characteristics of short-circuit faults in DC power network and thedifficulty of fault identification，the short-circuit faults in DC power network can be identified by detecting the change of capacitance voltage through the analysis of the VSC topology and switch characteri...
更多Number of views：2484 Amount of downloads：4974
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CHENG Liang，DUAN Pengyang，SU Hongbang，TIAN Shengjuan，QI Xiaoxuan，YAN Shengping
Abstract：In the background of a high proportion of new energy source connected to grid，the phenomenon ofnew energy interface inverters being connected to the grid through long-distance AC lines is becoming increasinglysignificant. The traditional vector controlled weak grid connected voltage source converter（VSC）bas...
更多Number of views：1940 Amount of downloads：4968
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SUN Heyu，JI Baowei，WEI Yushan，FANG Weihan，WANG Yangyang
Abstract：In response to the problem of slow response speed of main steam pressure in the coordinated controlsystem of thermal power units，the control effect of the coordinated control system was improved by blowing outsome of the stored powder in the pulverizing system. Based on the traditional milling system model，...
更多Number of views：1776 Amount of downloads：4966
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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：1688 Amount of downloads：4956
