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Impedance Model for Instability Analysis of LCC-HVDCs Considering Transformer Saturation: 《Journal of Modern Power Systems and Clean Energy》2024年第4期1309-1319,共11页Qin Jiang Ruiting Xu Baohong Li Xiang Chen Yue Yin Tianqi Liu Frede Blaabjerg; In line commutated converter based high-voltage direct current(LCC-HVDC)transmission systems,the transformer saturation can induce harmonic instability,which poses a serious threat to the safe operation of the power s...; 关键词：Line commutated converter based high voltage direct current(LCC-HVDC) transformer saturation harmonic instability impedance model

Transient Stability Analysis of Converter-based Islanded Microgrids Based on Iterative Equal Area Criterion Considering Reactive Power Loop Dynamics and Varying Damping: 《Journal of Modern Power Systems and Clean Energy》2024年第4期1170-1182,共13页Xilin Li Jingyi Zhang Zhen Tian Xiaoming Zha Wei Wang Meng Huang Chong Shao; supported in part by the National Key Research and Development Program of China(No.2022YFB2402700);in part by the Science and Technology Project of State Grid Corporation of China(No.52272222001J).; With the rapid increase in the installed capacity of renewable energy in modern power systems,the stable operation of power systems with considerable power electronic equipment requires further investigation.In conver...; 关键词：Transient stability CONVERTER iterative criterion reactive power loop post-disturbance frequency jump

An Improved Modulation Strategy for Single-phase Three-level Neutral-point-clamped Converter in Critical Conduction Mode: 《Journal of Modern Power Systems and Clean Energy》2024年第3期981-990,共10页Ning Li Yujie Cao Xiaokang Liu Yan Zhang Ruotong Wang Lin Jiang Xiao-Ping Zhang; supported in part by National Natural Science Foundation of China(No.52177193);in part by China Scholarship Council(CSC)State Scholarship Fund International Clean Energy Talent Project(No.[2019]157)。; Two-level totem-pole power factor correction(PFC)converters in critical conduction mode(CRM)suffer from the wide regulation range of switching frequency.Besides,in highfrequency applications,the number of switching ti...; 关键词：Critical conduction mode(CRM) on-board charger switching frequency range switching times power factor correction(PFC) three-level converter

Large-disturbance Stability Analysis of Power Systems with Synchronous Generator and Converter-interfaced Generation被引量：1: 《Journal of Modern Power Systems and Clean Energy》2024年第3期997-1002,共6页Lei Chen Yong Min Liangshuai Hao Guangzheng Xing Yalou Li Shiyun Xu; supported by the National Natural Science Foundation of China(No.U2066602)。; This letter studies large-disturbance stability of the power system with a synchronous generator(SG)and a converter-interfaced generation(CIG)connected to infinite bus.The power system is multi-timescale and first sim...; 关键词：Converter-interfaced generation large-disturbance stability outer control loop phase-locked loop synchronous generator voltage source converter

Improved State-space Modelling for Microgrids Without Virtual Resistances: 《Journal of Modern Power Systems and Clean Energy》2024年第2期584-596,共13页Paranagamage S.A.Peiris Shaahin Filizadeh Dharshana Muthumuni; supported in part by Natural Sciences and Engineering Research Council(NSERC)of Canada,MITACS,Manitoba HVDC Research Center。; Power converters and their interfacing networks are often treated as modular state-space blocks for small-signal stability studies in microgrids;they are interconnected by matching the input and output states of the n...; 关键词：Low-voltage converter state-space modelling dynamic phasor time-domain simulation eigenvalue analysis

Harmonic State Space Based Impedance Modeling and Virtual Impedance Based Stability Enhancement Control for LCC-HVDC Systems被引量：1: 《Journal of Modern Power Systems and Clean Energy》2024年第1期287-298,共12页Yifeng Liu Xiaoping Zhou Quan Chen Hanhang Yin Lerong Hong Hao Tian Ying Chen Siyuan Li; supported in part by the National Natural Science Foundation of China(No.U2166602);in part by the Major Special Project of Hunan Province(No.2020GK1010);in part by the Innovation Young Talents Program of Changsha Science and Technology Bureau(No.kq2107005).; Line commutated converter based high-voltage direct-current(LCC-HVDC)transmissions are prone to harmonic oscillation under weak grids.Impedance modeling is an effective method for assessing interaction stability.First...; 关键词：Line commutated converter based high-voltage direct-current(LCC-HVDC)transmission harmonic state space stability analysis harmonic oscillation virtual impedance

Calculation Method for Commutation Failure Fault Level in LCC-HVDC System Under Single-line-to-ground Faults Considering DC Current Variation: 《Journal of Modern Power Systems and Clean Energy》2023年第6期1995-2002,共8页Renlong Zhu Xiaoping Zhou Hanhang Yin Lerong Hong An Luo Yandong Chen Hanting Peng; supported by the National Key Research and Development Program of China (No.2021YFB2400900);the Joint Funds of National Natural Science Foundation of China (No.U2166602);the National Natural Science Foundation of China (No.52207200);the Major Special Project of Hunan Province (No.2020GK1010)。; Earlier studies have reported some calculation methods for commutation failure fault level(CFFL) in line-commutated-converter based high-voltage direct current(LCCHVDC) system under single-line-to-ground(SLG) faults. ...; 关键词：Commutation failure(CF) commutation failure fault level(CFFL) line-commutated-converter-based highvoltage direct current(LCC-HVDC) single-line-to-ground(SLG)fault

Superconducting Magnetic Energy Storage Integrated Current-source DC/DC Converter for Voltage Stabilization and Power Regulation in DFIG-based DC Power Systems被引量：1: 《Journal of Modern Power Systems and Clean Energy》2023年第4期1356-1369,共14页Ruohuan Yang Jianxun Jin Qian Zhou Mingshun Zhang Shan Jiang Xiaoyuan Chen; supported by the National Natural Science Foundation of China(No.51807128)。; Unpredictable power fluctuation and fault ridethrough capability attract increased attention as two uncertain major factors in doubly-fed induction generators(DFIGs)integrated DC power system.Present solutions usually...; 关键词：Superconducting magnetic energy storage(SMES) DC doubly-fed induction generator(DC-DFIG) current-source converter voltage stabilization power regulation

DC Current Order Optimization Based Strategy for Recovery Performance Improvement of LCC-HVDC Transmission Systems被引量：1: 《Journal of Modern Power Systems and Clean Energy》2023年第3期1020-1026,共7页Renlong Zhu Xiaoping Zhou Shuchen Luo Lerong Hong Hanhang Yin Yifeng Liu; supported by the National Key Research and Development Program of China(No.2021YFB2400902);the Innovation Young Talents Program of Changsha Science and Technology Bureau(No.kq2107005);the Postgraduate Scientific Research Innovation Project of Hunan Province(No.QL20210101).; For the safe and fast recovery of line commutated converter based high-voltage direct current(LCC-HVDC)transmission systems after faults,a DC current order optimization based strategy is proposed.Considering the const...; 关键词：Line commutated converter(LCC) high-voltage direct current(HVDC) DC current order calculation subsequent commutation failure(SCF) RECOVERY

Improved Identification Method and Fault Current Limiting Strategy for Commutation Failure in LCC-HVDC被引量：6: 《Journal of Modern Power Systems and Clean Energy》2022年第6期1761-1772,共12页Jian Liu Sheng Lin Wenliang Zhong Lei Liu; supported by the National Natural Science Foundation of China(No.51977183).; Line-commutated converter based high-voltage direct-current(LCC-HVDC)transmission systems are prone to subsequent commutation failure(SCF),which consequently leads to the forced blocking of HVDC links,affecting the op...; 关键词：Line commutated converter based high-voltage direct current(LCC-HVDC)transmission commutation failure identification commutation failure mitigation HVDC transmission control

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