无源负载VSC-HVDC输电系统逆变器建模与控制

2008 Joint International Conference on Power System Technology and IEEE Power India Conference Pub Date : 2008-10-01 DOI:10.1109/ICPST.2008.4745329

Y.A. Wang, J. Boys, A. Hu

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引用次数: 3

摘要

本文研究了基于电压源变换器的高压直流输电系统的逆变器控制问题。为了对系统进行控制和稳定性分析，建立了逆变器模型。在本研究中，VSC-HVDC系统是无源负载的唯一电源，控制目标是在负载变化下获得恒定的正弦输出电压。导出状态空间方程，得到根轨迹，分析系统的稳定性。利用根轨迹分析了电路参数对系统稳定性的影响。EMTDC/PSCAD仿真研究结果验证了理论模型和提出的控制方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Modelling and Control of an Inverter for VSC-HVDC Transmission System with Passive Load

This paper is about a study on inverter control of a voltage source converter based high voltage direct current (VSC-HVDC) transmission system. An inverter model has been developed for the purpose of system control and stability analysis. The VSC-HVDC system is the exclusive power supply to a passive load in this study, and the control objective is to obtain a constant sinusoidal output voltage under load variations. State space equations are derived to obtain the root loci, and to analyze the system stability. The influence of the circuit parameters on the system stability is investigated using the root loci. Results obtained from the simulation studies using EMTDC/PSCAD have verified the theoretical model and the proposed control method.

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2008 Joint International Conference on Power System Technology and IEEE Power India Conference

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