Automatic Tuning TSC Arc Suppression Coil Grounding Device Based on Signal Injection

CHENG Jun; CHEN Bai-chao; HUANGPU Cheng

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Automatic Tuning TSC Arc Suppression Coil Grounding Device Based on Signal Injection

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- Automatic Tuning TSC Arc Suppression Coil Grounding Device Based on Signal Injection
- High VoltageApparatus Issue 1, Pages: 63-65(2006)
- 作者机构：
  
  1. 武汉大学电气工程学院
  2. 武汉大学电气工程学院湖北武汉 430072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM864
- Published：2006
- 稿件说明：
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[1]程骏,陈柏超,皇甫成.基于信号注入法的TSC消弧线圈动态调谐接地装置[J].高压电器,2006(01):63-65.

CHENG Jun, CHEN Bai-chao, HUANGPU Cheng. Automatic Tuning TSC Arc Suppression Coil Grounding Device Based on Signal Injection[J]. High voltageapparatus, 2006, (1): 63-65.
[1]程骏,陈柏超,皇甫成.基于信号注入法的TSC消弧线圈动态调谐接地装置[J].高压电器,2006(01):63-65. DOI：

CHENG Jun, CHEN Bai-chao, HUANGPU Cheng. Automatic Tuning TSC Arc Suppression Coil Grounding Device Based on Signal Injection[J]. High voltageapparatus, 2006, (1): 63-65. DOI：

摘要

对地电容的测量是谐振接地中的主要难题

提出了一种信号注入的方法

以实现电网对地电容的准确测量。在消弧线圈设置中性点PT作为信号注入PT

从信号注入PT二次侧注入25 Hz的电流

在另一PT开口三角处测量该频率的电压。使用改进后的TSC调容式消弧线圈

以单片机 80C196KC为核心的控制系统

研制出一种自动跟踪补偿装置。现场试验结果证明

该自动跟踪补偿装置具有结构简单、调节速度快、补偿准确度高、谐波危害小

且无机械动作可靠性高等特点。

Abstract

The capacitance to ground is the key difficulty to measure in resonance grounding system. In this paper

a method of signal injection is proposed to measure capacitance to ground accurately. Neutral-point PT is set up as signal injection PT in arc suppression coil

a 25 Hz current is injected form the secondary of the PT. The voltage of this frequency is measured in the terminals of another PT. Using improved TSC arc-suppression coil

which control system is designed based on microprocessor 80C196KC

the automatic tracing and compensation device is developed. It is proved by the test that this device has many advantages such as simple structure; quick-adjusting; high accuracy compensation; less harmonic and high reliability without mechanical mistake.

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WU Wei-ning2

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Related Institution

清华大学电机与应用电子技术系北京100084

Department of Electrical Engineering, Tsinghua University

湖北武汉430074

武汉高压研究所湖北武汉430074武汉高压研究所

Wuhan High Voltage Research Institute

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