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首页> 美国政府科技报告 >Stability Analysis of a Three Terminal High Voltage Direct Current Power Transmission System.
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Stability Analysis of a Three Terminal High Voltage Direct Current Power Transmission System.

机译：三端高压直流输电系统稳定性分析。

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摘要

The objective of this project was to investigate how individual system parameters affect the operation and stability of a three terminal HVDC (high voltage direct current) power system. In order to obtain the desired information,system stability boundary lines were plotted in parameter space. Consideration was given to the various operating control modes that a three terminal system may attain. A simplified model was developed for the analysis. This model was of a general nature,allowing each converter to operate in any one of the three common modes of operation. Analysis of the model generated a tenth order characteristic equation. This equation was implemented in a digital computer program to obtain stability boundaries and relative stability plots in parameter space. At that point it was possible to study the system and how various parameters affect the dynamic behavior of the network. Some of the parameters investigated were length of transmission line,commutating reactance,converter control parameters and the DC series reactance. Studies were made for normal overhead transmission and underground cable transmission. Since the model developed is of a general nature,it is possible to simulate all of the common control modes.

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