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首页> 外文期刊>International journal of Power and energy conversion >Dynamic modelling and small signal stability analysis of voltage source converter-based HVDC system
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Dynamic modelling and small signal stability analysis of voltage source converter-based HVDC system

机译:基于电压源转换器的高压直流输电系统的动力学建模和小信号稳定性分析

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摘要

In this paper, the modelling of the entire VSC-HVDC system is presented based on d-q axis decomposition and state space modelling is formulated for analysis. Eigen values analysis is used for optimal tuning of PI controller based on PSO technique. The system is simulated under most of the frequently occurring faults and abnormal operating conditions such as three-phase fault, parameter variation, frequency variation and change in active and reactive power, change in short circuit ratio and bus voltage reduction and change in converter parameters through MATLAB simulation. The results are presented for the proposed controller with comparison to conventional PI controller under various fault condition.
机译:本文基于d-q轴分解提出了整个VSC-HVDC系统的建模,并建立了状态空间模型进行分析。本征值分析用于基于PSO技术的PI控制器的优化调整。该系统是在大多数频繁发生的故障和异常运行条件下进行仿真的,例如三相故障,参数变化,频率变化以及有功和无功功率的变化,短路比的变化和总线电压的降低以及转换器参数的变化。 MATLAB仿真。在各种故障条件下,与常规PI控制器相比,所提出的控制器的结果已给出。

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