高压直流输电系统谐波失稳的高性能控制

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI:10.1109/EMPD.1995.500818

Wan-Ki Min, M. Yoo

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引用次数: 1

摘要

本文研究了一种新的控制方法对严重低次谐波情况下的高压直流输电线路系统的有效性。该控制方案采用前馈控制方法，在直流链路系统中直接控制直流电流。本文的研究旨在提高直流输电线路系统在故障等扰动下的动态响应。为了实现这些目标，直流系统(EMTDC)的电磁瞬变程序采用了数字时域仿真。该方法可使本就不稳定的高压直流系统从整流和逆变端母线的故障中稳定恢复。结果表明，该方法具有较好的鲁棒性和较好的控制性能。

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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High performance control of harmonic instability from HVDC link system

This paper investigates the usefulness of a novel control method for a HVDC link system which suffers from a severe condition of low order harmonics. This control scheme uses the feedforward control method which is a directly controlled DC current at the DC link system. The studies of this paper are aimed at improving the dynamic response of a HVDC link system in disturbances such as faults. To achieve those objectives, digital time domain simulations are employed by the electromagnetic transient program for a DC system (EMTDC). This method results in stable recovery from faults at both rectifier and inverter terminal busbars for an inherently unstable HVDC system. It has been found to be robust and control performance has been enhanced.

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Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95

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