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LIU Yawei，GUAN Peng，SUN Lunan，WANG Chunhui，WANG Hao
Abstract：The micro-grid solves the problem that the intermittent and fluctuating power generation hasadverse effects on the stable operation of the distribution network when the distributed generation is connected tothe distribution network. In order to meet the economic operation of micro-grid under grid connected ...
更多Number of views：1751 Amount of downloads：6692
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XU Qianxi，ZHAO Yangyang，CHEN Xueni，YU Yingjun，YOU Rui
Abstract：The load-transfer after the distribution area fault and mutual power support between distributionareas can be realized with the flexible interconnection device（FID）based on power electronic devices. Aiming atthe becoming increasingly prominen three-phase unbalance problem，a three-phase current unbalance reg...
更多Number of views：1747 Amount of downloads：8488
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ZHANG Jianwei，YANG Zaixin，WANG Yunhui，LIU Guangchen
Abstract：In order to alleviate the intensive computational burden in the model predictive contro（l MPC）of the matrix converter，the MPC of the matrix converter was divided into the predictive control of the virtual rectifier and virtual inverter based on the equivalent indirect modulation of the matrix converter. Com...
更多Number of views：1746 Amount of downloads：6218
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GENG Likai，HOU Juan，ZHANG Chunxiang，HU Wenying，LI Wenhua，LI Cuijuan
Abstract：Thermal and magnetic protection circuit breakers provided short circuit protection by instantaneoustripping devices. In the magnetic field formed by the coil with current，the moving armature and stationary coreovercomed the spring force and engage under the influence of electromagnetic force，thereby pushing...
更多Number of views：1742 Amount of downloads：4947
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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：1742 Amount of downloads：5556
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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：1735 Amount of downloads：5336
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LI Haoyuan，CHEN Guowei，LI Guanjun，WEI Lingfeng，LIN Da，WANG Xiangjin
Abstract：With the emergence of a large number of distributed power generations，various unbalanced andnonlinear loads are connected to the power grid，resulting in the distortion of the grid current，which brings adverse effects to both the power grid and electrical equipment. A multifunctional energy storage converter...
更多Number of views：1729 Amount of downloads：6289
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WANG Xuli，XU Jiayin，SHEN Yuming，LI Kun，FENG Peiru，JIANG Guifen
Abstract：In order to make full use of the frequency modulation capability of the wind turbines，consideringthat a conventional wind-power coordinated frequency control strategy not only results in some fluctuations in thefrequency of the system，but also requires high energy storage capacity and poor economic efficien...
更多Number of views：1729 Amount of downloads：7410
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XIE Jijin，HUANG Wendong，SHEN Kang，LIU Bin，MENG Ningjia，ZHANG Yuanyuan
Abstract：In order to improve the compensation effect of LCL-type shunt active power filter，a frequencyadaptive decimal delay repetitive control based on IIR filter was proposed. The resonance suppression loop of LCLwas designed through root locus and the design result was used as a new control object for repetitive ...
更多Number of views：1728 Amount of downloads：6471
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YUAN Yisheng，HUANG Yikun，CAO Hui，HUANG Zhimin
Abstract：A bidirectional isolated resonant converter with variable mode and wide voltage range wasproposed. The proposed converter has the advantages of BOOST circuit and flyback current feed topology. Byreusing the pre-storage and flyback energy feedback of the resonant inductor，it can improve the gain from thebatt...
更多Number of views：1727 Amount of downloads：6511
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LUO Meiling，HAN Zhongxiu，YU Xiaojun，WU Jianyun，HUANG Weibing
Abstract：The islanding detection method is a necessary method for grid-connected PV systems，but，thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason，an islanding detec...
更多Number of views：1719 Amount of downloads：6983
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PENG Fei，TIAN Xu，LIU Fei，XU Decao，FANG Shiwen，TIAN Xu
Abstract：The integration of large-scale wind power，photovoltaic and other renewable energy resources forthe power system will greatly change the power supply characteristics，reducing the inertia of power system andthreatening the stability of transient frequency. The virtual synchronous generator（VSG）technology can ...
更多Number of views：1712 Amount of downloads：6061
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SI Dajun，WANG Jie，SHU Banggui，ZHANG Guangbin，SHU Hongchun
Abstract：The load of a submerged arc furnace has many advantages，such as large single-unit regulationcapacity，good communication conditions，easy control，and low economic retrofitting，making it an importantflexible regulation resource for the power grid. However，there is currently a lack of effective digital simulati...
更多Number of views：1699 Amount of downloads：5581
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MENG Jia
Abstract：To address the supply-demand imbalance caused by renewable energy intermittency and loadfluctuations in islanded microgrids，a two-layer optimization-based dynamic time-of-use（TOU）pricing schedulingmodel was proposed，aiming to enhance economic efficiency and operational stability. First，a comprehensivemicrog...
更多Number of views：1698 Amount of downloads：6388
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ZHANG Mingqi，YE Hong，LIANG Hao，ZHAO Bo，WANG Chao，WANG Kui
Abstract：Aiming at the problem that the circulating currents analysis of modular multilevel matrix converter（M3C）is not deep enough and the frequency component of circulating currents is not clear，the coupling process of submodule capacitor voltage fluctuation，bridge voltage fluctuation and circulating currents in M...
更多Number of views：1698 Amount of downloads：6521
