Frequency control strategy for sending-end of hybrid cascaded UHVDC system with large-scale wind power access by Hao Li, Chengyong Zhao, Zhibing Wang

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A DC Chopper Topology to Mitigate Commutation Failure of Line Commutated Converter Based High Voltage Direct Current Transmission by Chunyi Guo, Bo Liu, Chengyong Zhao

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Improved Coordinated Control Approach for Evolved CCC-HVDC System to Enhance Mitigation Effect of Commutation Failure by Chunyi Guo, Bo Liu, Chengyong Zhao

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Coordinated Control for Operating Characteristics Improvement of UHVDC Transmission Systems under Hierarchical Connection Scheme with STATCOM by Atiq Ur Rehman, Chunyi Guo, Chengyong Zhao

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Dc fault current calculation method in MMC-HVDC grid considering current-limiting devices by Jianzhong Xu, Sicheng Zhu, Chengyu Li, Chengyong Zhao

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Analysis of Inertia Characteristics of Direct-Drive Permanent-Magnet Synchronous Generator in Micro-Grid by Donghui Zhang, Yongbin Wu, Liansong Xiong, Chengyong Zhao

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An Improved Phase-Locked-Loop Control with Alternative Damping Factors for VSC Connected to Weak AC System by Bin Yuan, Jianzhong Xu, Chengyong Zhao, Yijia Yuan

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A Quantitative Index to Evaluate the Commutation Failure Probability of LCC-HVDC with a Synchronous Condenser by Jiangbo Sha, Chunyi Guo, Atiq Ur Rehman, Chengyong Zhao

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Dynamics and small signal stability analysis of PMSG-based wind farm with an MMC-HVDC system by Yifan Wang, Chengyong Zhao, Chunyi Guo, Atiq Ur Rehman

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A three‐stage switching MMC topology for capacitor voltage ripple reduction in HVDC applications by Qiang Fan, Jianzhong Xu, Tian Liang, Venkata Dinavahi, Chengyong Zhao

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Comparative Study on Small-Signal Stability of LCC-HVDC System With Different Control Strategies at the Inverter Station by Anran Zheng, Chunyi Guo, Peng Cui, Wen Jiang, Chengyong Zhao

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Modelling and simulation analysis of MMC‐HVDC system based on transient energy flow by Jun Yan, Lixu Chen, Jianzhong Xu, Chengyong Zhao, Xiufang Jia

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Calculation method of short-circuit fault current in flexible DC grid by Shuai Yuan, Jun Yan, Yongjie Yu, Chengyong Zhao, Guoyun Su, Xuan Li

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Integrated Equivalent Model of Permanent Magnet Synchronous Generator Based Wind Turbine for Large-scale Offshore Wind Farm Simulation by Ming Zou, Yan Wang, Chengyong Zhao, Jianzhong Xu, Xiaojiang Guo, Xu Sun

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Analysis of Fault Characteristics of Distribution Network with PST Loop Closing Device under Small Current Grounding System by Zhi Xu, Jianxiong Tang, Yupeng Jiang, Risheng Qin, Hongsheng Ma, Yongchun Yang, Chengyong Zhao

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Real-Time Modeling and Simulation of Flexible DC Grid with Various Types of Current Limiting Devices Based on RT-LAB by Shiwei XIA, Chenxiang GAO, Yuhao SUN, Moke FENG, Chengyong ZHAO, Jianzhong XU, Tingting CHENG, Huaiguang GU

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