Current limiting type UPFC system design method

一种限流式upfc系统设计方法

Abstract

The invention discloses a current limiting type UPFC system design method. The two sides of a current limiting type UPFC system are connected to the same alternating-current bus power source, the parallel connection side is connected with a power system through a parallel transformer Tsh, the series connection side of the current limiting type UPFC system and a current limiter are connected together through the secondary side of a series transformer Tse, and connected to the power system through the primary side of the series transformer Tse, the series connection side and the parallel connection side of the UPFC system are connected through a direct-current capacitor C, and an outlet of a series connection side filter inductor of the UPFC system is connected with a capacitor overvoltage protection circuit in parallel. The current limiter comprises a half-controlled rectifier bridge composed of six thyristors, and a follow current bridge composed of two thyristors, wherein the follow current bridge is connected with a current-limiting inductor in parallel; the parallel connection side of the UPFC system is connected with the parallel transformer Tsh through a parallel connection side filter inductor.
本发明公开一种限流式UPFC系统设计方法,限流式UPFC系统两侧均连接至同一条交流母线电源,并联侧经并联变压器Tsh与电力系统相连,UPFC系统串联侧和限流器通过串联变压器Tse副边连接在一起,并通过串联变压器Tse原边接入电力系统,UPFC系统串联侧和并联侧通过直流电容C相连,UPFC系统串联侧滤波电感出口处并联一个电容过压保护电路;所述限流器包括由6个晶闸管组成的半控整流桥,以及2个晶闸管构成的续流桥,所述续流桥并联一个限流电感;所述UPFC系统并联侧经并联侧滤波电感与并联变压器Tsh相连。

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Cited By (2)

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    CN-105140914-ADecember 09, 2015东南大学Method for accessing unified power flow controller (UPFC) into system and three-node power injection model
    CN-105186551-ADecember 23, 2015浙江大学基于模块化多电平换流器的限流式统一潮流控制器及方法