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High Performance Control of Harmonic Instability from HVDC Link System

机译:高压直流输电系统的谐波不稳定性的高性能控制

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This paper investigates the usefulness of novel control method for HVdc link system which suffers from severe condition of low order harmonic. This control scheme is used the feedforward control method which is directly controlled dc current at dc link system. The studies of this paper are aimed to improving the dynamic response of HVdc link system in disturbances such as faults. To achieve those objectives, digital time domain simulations are employed by the electro magnetic transient program for dc system (EMTDC). This method results in stable recovery from faults at both rectifier and inverter terminal busbars for HVdc system inherently unstable. It has been found to be robust and control performance has been enhanced.
机译:本文研究了新的控制方法在遭受严重的低次谐波情况的高压直流输电系统中的实用性。此控制方案使用前馈控制方法,该方法直接控制直流母线系统中的直流电流。本文的研究旨在提高HVdc链路系统在故障(例如故障)中的动态响应。为了实现这些目标,直流系统的电磁暂态程序(EMTDC)采用了数字时域仿真。这种方法可以使HVdc系统固有的不稳定状况从整流器和逆变器端子母线处的故障中稳定恢复。已经发现它是鲁棒的,并且控制性能得到了增强。

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