Development of Test Device of Controllable Phase for Synergy of Power Frequency Voltage and Impulse Voltage

ZHOU Kai; HE Min; XIONG Qing; LIU Fenglian; LI Weiwei

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Development of Test Device of Controllable Phase for Synergy of Power Frequency Voltage and Impulse Voltage

更新时间：2025-12-08

- Development of Test Device of Controllable Phase for Synergy of Power Frequency Voltage and Impulse Voltage
- Vol. 44, Issue 3, Pages: 750-755(2018)
- 作者机构：
  
  1. 四川大学电气信息学院
  2. 西安交通大学电力设备电气绝缘国家重点实验室
  3. 国网四川省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 March 2018，
  
  Published：2018
- 稿件说明：
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ZHOU Kai, HE Min, XIONG Qing, et al. Development of Test Device of Controllable Phase for Synergy of Power Frequency Voltage and Impulse Voltage[J]. 2018, 44(3): 750-755.
DOI：

ZHOU Kai, HE Min, XIONG Qing, et al. Development of Test Device of Controllable Phase for Synergy of Power Frequency Voltage and Impulse Voltage[J]. 2018, 44(3): 750-755. DOI：

摘要

电力系统中的过电压通常叠加在正常运行的工频电压上

为了模拟电力系统中出现的实际过电压

研制了一套相位可控的工频与冲击协同作用的试验装置。本装置采用耦合电容连接工频电压产生电路与冲击电压发生器

实现冲击电压与工频电压的叠加;使用自动点火装置实现冲击电压叠加到工频电压的相位可控。对本装置的原理进行分析

并利用ATP-EMTP进行电路仿真

仿真结果表明:耦合电容值的大小影响作用于被试品上的工频电压和冲击电压的波形和效率。实测结果表明:该装置的硬件延迟时间为1.4 ms

工频与冲击电压的叠加相位可控

叠加波形与系统实测过电压波形类似

能够较好地模拟实际过电压。

Abstract

Overvoltage of distribution network is usually superimposed on the power frequency voltage

therefore

to simulate the actual overvoltage situation in the electrical power system

a test device of controllable phase for synergy of the power frequency voltage and the impulse voltage was designed. The coupling capacitor between the power frequency voltage generating circuit and impulse voltage generator can make the impulse voltage to superimpose on the power frequency voltage

and the automatic ignition device can control the phase of the power frequency voltage superimposed the impulse voltage. Moreover

the circuit principle of the device was analyzed and was simulated by using the ATP-EMTP software.The simulation results show that coupling capacitance value will affect the power frequency voltage and impulse voltage waveforms and efficiency. The experimental results show that the hardware delay time of the device is 1.4 ms

the superimposed phase of the power frequency voltage and the impulse voltage is controllable

and the superimposed waveforms are similar to the measured overvoltage waveforms which can simulate the actual overvoltage.

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Related Institution

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