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TANG Junyi，DING Biwei，YANG Qi
Abstract: The integration of high proportion of wind power intensifies the uncertainty of power systemoperation. The sufficient flexibility is vital for the safe and reliable operation of the power system. An evaluationmethod of power system flexibility considering wind power prediction interval was proposed. First，...
更多Number of views：1045 Amount of downloads：802
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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：723 Amount of downloads：798
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LIU Huichen，LI Zhen，SU Weifeng，YUWEN Bo，LI Haitao，ZHANG Zhenbin
Abstract: In the long cable driven induction motor drive systems，speed sensorless control is usually adopteddue to the long distance between the controller and the motor. In addition，long cable increases the stator sideimpedance of the induction motor，especially the equivalent stator resistance by an order of magnit...
更多Number of views：1037 Amount of downloads：794
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WAN Xiaojian，WAN Zibo
Abstract：A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point，the relationship between the virtual neut...
更多Number of views：1260 Amount of downloads：791
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ZHENG Junfeng，HUANG Jiyuan，CHEN Yuanyang，HU Xiangwei
Abstract: Aiming at the frequent voltage sag problem in power quality problems，a multifunctional voltage sagtreatment equipment was developed for user-side voltage sag treatment. Based on the modeling analysis of thesystem，the control algorithm of the system under grid-connected and off-grid compensation states and ...
更多Number of views：741 Amount of downloads：789
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LÜ Jin，XU Li，SUI Dawei，GAO Qixin，XU Deshu
Abstract: With the rapid development of China's industrial economy，the demand for strip materials isincreasing，and the construction of strip production lines both domestically and internationally is growing year byyear. However，the complexity of large-scale rolling mill systems and the harsh working environment ...
更多Number of views：812 Amount of downloads：788
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DONG Min，LIU Kezhen，ZHAO Qingli，CHEN Leidan，YAO Yue，ZHAO Xiong
Abstract: Under the "dual carbon" goal，the electric energy systems need to gradually develop towards theway of energy saving and low carbon. The integrated energy system（IES）is an important measure to solve energyand environmental protection problems. At present，the research on IES mainly focuses on distributed ener...
更多Number of views：950 Amount of downloads：783
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WU Zhiheng，LIU Aimin
Abstract: The motor actuator used in circuit breaker has the advantages of simple structure，small dispersal ofaction and strong controllability，which provides the possibility for the switch contact of circuit breaker to followthe preset reference curve. The traditional control method can not adjust the parameters ac...
更多Number of views：1089 Amount of downloads：782
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CHEN Ling
Abstract: With the large increase of load users，the load side adjustable resources gradually increase，and theload side demand response（DR）resources are used to participate in microgrid scheduling to improve the level ofnew energy consumption. In order to give full play to the scheduling potential of DR resources and...
更多Number of views：721 Amount of downloads：782
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CHEN Kun，SUN Kaiyuan，LIN Lin，WANG Meng，ZHENG Jiehui，LI Zhigang
Abstract: With the massive access of renewable energy sources and pluralistic load，it is bi-directionalbeneficial to update the distribution network topology. It can not only promote the consumption of renewableenergy and the satisfaction of new load demands，but also improve the rationality of urban distribution net...
更多Number of views：962 Amount of downloads：782
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LI Yajun，HE Shan，HU Bing，XIE Shaohua
Abstract：Aiming at the problems of high investment cost，low efficiency of electrolyzer operation and highfluctuation of power input in the new energy electrolytic water to hydrogen microgrid system，the scenery hydrogen production capacity configuration scheme with the installation cost of microgrid equipment and the...
更多Number of views：691 Amount of downloads：771
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YANG Xiaochu，WANG Guanwen，LUO Guogan，XU Shipeng，ZHANG Dingwang
Abstract: The composition of the double-fed induction generator（DFIG）is complex，and its operation andmaintenance are difficult. Due to the relatively complex electromagnetic transient characteristics of the fault，theextraction quality directly affects the reliability of the fault detection results of the DFIG. Aimin...
更多Number of views：935 Amount of downloads：767
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YANG Fan，WANG Huanmin
Abstract：With the development of power electronics technology，microgrid type energy storage inverters withvirtual synchronous generator（VSG）function have also been widely used. In VSG technology，due to the presenceof inertial frequency regulation loop and voltage regulation loop，the inverter can realize the grid fre...
更多Number of views：1175 Amount of downloads：765
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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：934 Amount of downloads：759
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TANG Junyi，DONG Xuetao，QIN Yanhui
Abstract: The large-scale grid connection of renewable energy with strong randomness and volatility and thenet load fluctuation caused by time sequence put forward higher requirements for the operation flexibility of powersystem. In order to quantitatively evaluate the operation flexibility capacity of power system，...
更多Number of views：948 Amount of downloads：756
