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YAN Chengshan，QIU Mingquan，ZHANG Lijun，ZHANG Guorui，WANG Chunlei
Abstract: Aiming at the problems of regional large-scale photovoltaic construction and access，as well as thelack of control of existing distributed energy，the construction and operation control method of microgrid groupwere put forward，which extracted a three-level and two-stage coordination and interaction system s...
更多Number of views：1698 Amount of downloads：3849
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WANG Yuqi，WANG Yufeng，GUO Yubao
Abstract: The equipotential switching algorithm of the traditional mechanical static compensator（MSC）device had many limitations in the operation of the single machine，such as the long operation time of themicrocontroller control chip，the poor convergence of the calculation results had been affected by the hardware，...
更多Number of views：1681 Amount of downloads：2360
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LIU Zhen，ZHU Zimin，WANG Xiaoyun，NAN Dongliang，DUAN Yu，WU Xiaofang
Abstract：As the penetration of renewable energy in power systems increases，converter-based devices aregradually becoming dominant in the grid. In terms of system frequency stability support，grid-forming converters，which can provide both active inertia support and fast frequency response services，hold great potential...
更多Number of views：1674 Amount of downloads：5419
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ZHOU Qi，WANG Chenqing，KONG Xiangping
Abstract：Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device，a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly，by defining the To...
更多Number of views：1672 Amount of downloads：2183
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SUN Lunan，ZHOU Yong，LIU Xiaodong，LIU Yawei，WANG Haoyu
Abstract：Combined with the current software features and the requirements for function expansion of thecurrent test equipment engineering project，a set of test data analysis system was designed. The system includes the functions of remote test data monitoring，historical data playback，test data analysis，data predicti...
更多Number of views：1668 Amount of downloads：4421
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HU Yujie，ZHU Shenglong，WU Shaolei，FENG Yu，WANG Ming，LOU Wei
Abstract：The flexible DC interconnection of medium and low voltage can improve the flexibility andreliability of the distribution network，and the dual active bridge converter is a key link in achieving voltageconversion and electrical isolation in flexible interconnection equipment.The current source resonant dual a...
更多Number of views：1667 Amount of downloads：2179
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WANG Yubo，AN Yang，QIU Shuming，GAO Zhuoxuan，SUN Furun
Abstract：Inverter products have been developing towards higher power density and more compact structure.To enhance the power density of inverter systems within a limited structural space，several prototypes need to bemade and a large number of experiments conducted during the research and development process. To shor...
更多Number of views：1661 Amount of downloads：3065
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TIAN Kai，YU Zhibin，YUAN Yuan，CHU ZiLin，CHEN Yujie，SUN Chuanjie
Abstract: A test method was proposed that can evaluate the ultimate power output capability of large capacityIGCT three-level converter. Based on synchronous symmetrical PWM modulation and temperature estimationmodel，the power experiment of IGCT three-level converter was carried out，which can test the equipment capa...
更多Number of views：1661 Amount of downloads：2177
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LIU Kai，LI Gang，WANG Xin
Abstract: According to the 90 s regular breaking and 15 s emergency breaking requirement for 60 MW axialcompressor used in some large scientific facility，a control strategy of electric hybrid breaking in the convertor wasdesigned. The hybrid braking control strategy was analyzed and calculated，and the optimal brakin...
更多Number of views：1658 Amount of downloads：3938
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OU Zhixin，LI Jixia，DENG Chunlan
Abstract: The reliability and stability of electric energy transmission in the power grid are the guarantee ofdriving safety，due to the impact of external interference fluctuations and current arcs on the power grid structure，its parameter acquisition and dynamic modeling become difficult. Firstly，the characteristic...
更多Number of views：1657 Amount of downloads：3685
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JIA Dexiang，ZHONG Cheng，LIU Zhanjie，ZHENG Houqing，GUO Yang
Abstract: Photovoltaic（PV）generation usually operates in maximum power point tracking（MPPT）mode，which cannot provide inertia and frequency support for the power system. Virtual synchronous generator（VSG）control is an attractive control method that can provide the similar behavior of synchronous generator（SG）.However...
更多Number of views：1655 Amount of downloads：2691
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YIN Zhenhuan
Abstract：Due to the advantages of faster dynamic performance and smaller torque ripple，high frequencypulse voltage injection（PSVI）is widely used in sensorless control of permanent magnet synchronous motor（PMSM）at low-speed range. Under low switching frequency，the dynamic and steady performance of thetraditional high...
更多Number of views：1654 Amount of downloads：3450
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XU Dacheng ，YIN Chunya ，ZHOU Jiayang ，LI Fengting ，LIU Jiangshan
Abstract：To mitigate the fatigue load generated by wind turbine participation in primary frequency regulation，a primary frequency regulation strategy considering the fatigue load of wind turbine was proposed based on themechanical dynamic response characteristics and control device operation characteristics of wind ...
更多Number of views：1648 Amount of downloads：3687
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KONG Lingqing，HE Shan，DONG Xinsheng，LI Ji，YANG Dingqian，HU Shuai
Abstract: In order to solve the problem of voltage and frequency fluctuations at the grid-connected point of thepermanent magnet wind turbine during high and low voltage ride-through，a virtual synchronous generator（VSG）was proposed to control the grid-side converter to improve the inertia and damping of the permanen...
更多Number of views：1644 Amount of downloads：2769
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TIAN Jiabin，YANG Chuanjiang，LI Junda，GU Jiateng，ZHANG Zhenbin
Abstract: The doubly-fed induction generator（DFIG）is the mainstream model in the wind power market.Since there are multiple time-scale control objectives in the wind turbine，it is difficult for conventional linearcontrol methods to optimize the multi-objective. Model predictive control（MPC）is an effective method for...
更多Number of views：1640 Amount of downloads：3097
