分级调节移相器的晶闸管触发角影响分析

WANG Dechang

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分级调节移相器的晶闸管触发角影响分析

更新时间：2025-08-13

- 分级调节移相器的晶闸管触发角影响分析
- Automation of Electric Power Systems Vol. 38, Issue 16, Pages: 121-126(2014)
- 作者机构：
  
  南京南瑞继保电气有限公司,江苏省,南京市,211102
- 作者简介：
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- Published：2014
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WANG Dechang. [J]. Automation of electric power systems, 2014, 38(16): 121-126.
DOI：

WANG Dechang. [J]. Automation of electric power systems, 2014, 38(16): 121-126. DOI：

摘要

移相器是调节线路功率的有效手段，对于提高设备利用率、平衡潮流等具有重要意义。以晶闸管控制的双芯对称型移相器为对象，在实时数字仿真器(RTDS)中建立了一次设备的仿真模型，并开发了控制装置进行系统仿真研究。针对阀组触发脉冲对系统运行的影响，提出了触发脉冲控制策略，固定挡位时提前触发角触发，挡位调节过程中监测阀组电流过零关断后触发，并提出了一种阀组电流过零的检测方法。仿真结果表明，提出的控制策略在固定挡位时，系统运行稳定无谐波，挡位调节过程中系统无冲击电流、过渡平滑。

Abstract

The phase shifter as an efficient measure of regulating the power flow by inserting compensation voltage has important significance for improving the utilization ratio of transmission lines

balancing system power flow

and etc. Based on the thyristor controlled double core symmetry phase shifter

a simple system model is built in the real time digital simulator (RTDS) and the control device is developed. In consideration of the influence of different firing angles

a control strategy is proposed. The firing pulse is advanced before current zero-crossing when the voltage tap is fixed and after current zero-crossing when the voltage tap is being regulated. And a detection method of current zero-crossing is also presented. The result shows that the system is stable and harmonic-free at the fixed voltage tap. The transition is smooth and short-current-free during voltage tap regulation.

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