Calculation of Characteristic Parameters of Ceramic Resistor with the Fitting Method

CAO Zishou; SUN Rongchun

doi:10.13296/j.1001-1609.hva.2014.01.021

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Calculation of Characteristic Parameters of Ceramic Resistor with the Fitting Method

更新时间：2025-04-26

- Calculation of Characteristic Parameters of Ceramic Resistor with the Fitting Method
- High VoltageApparatus Vol. 50, Issue 1, Pages: 112-118(2014)
- 作者机构：
  
  北京北开电气股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.01.021
  CLC： TM54
- Published：2014
- 稿件说明：
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[1]曹子寿,孙荣春.用拟合法计算陶瓷电阻特性参数[J].高压电器,2014,50(01):112-118.

CAO Zishou, SUN Rongchun. Calculation of Characteristic Parameters of Ceramic Resistor with the Fitting Method[J]. High voltageapparatus, 2014, 50(1): 112-118.
[1]曹子寿,孙荣春.用拟合法计算陶瓷电阻特性参数[J].高压电器,2014,50(01):112-118. DOI： 10.13296/j.1001-1609.hva.2014.01.021.

CAO Zishou, SUN Rongchun. Calculation of Characteristic Parameters of Ceramic Resistor with the Fitting Method[J]. High voltageapparatus, 2014, 50(1): 112-118. DOI： 10.13296/j.1001-1609.hva.2014.01.021.

摘要

简介国外生产陶瓷电阻的制造和性能特点以及在断路器应用中的要求。重点介绍通过对其电压系数与电阻率关系曲线进行公式拟合后

用VB6软件进行编程计算目前中国使用的两种550 kV用陶瓷电阻温升、阻值变化、散热时间常数、反相电压安全系数等参数

并初步进行了对比分析。其可作为新型断路器合闸电阻设计的参考。

Abstract

The production of ceramic resistors in foreign countries is introduced. The characteristics of the resistors and the requirements for their application to circuit breaker are discussed. The curve of the voltage coefficient versus the resistivity of the resistor is fitted with a formula. A program is coded with the software VB6 to calculate the parameters of two 550 kV ceramic resistors made in China

such as the temperature rise

the resistance variation

the constent of cooling time

and the safety coefficient of reverse voltage

and preliminary comparative analysis is performed. This study may provide a reference to the design of closing resistor of new circuit breakers.

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