Simulation Study on the Influence of Multi-orifice Hydraulic Buffer on Opening Characteristics of High Voltage Circuit Breaker Based on MATLAB

YU Mingxing; ZHAO Weitao

doi:10.13296/j.1001-1609.hva.2015.12.021

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Simulation Study on the Influence of Multi-orifice Hydraulic Buffer on Opening Characteristics of High Voltage Circuit Breaker Based on MATLAB

更新时间：2025-04-26

- Simulation Study on the Influence of Multi-orifice Hydraulic Buffer on Opening Characteristics of High Voltage Circuit Breaker Based on MATLAB
- High VoltageApparatus Vol. 51, Issue 12, Pages: 120-125(2015)
- 作者机构：
  
  西安西电开关电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.12.021
  CLC： TM561
- Published：2015
- 稿件说明：
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[1]余明星,赵伟涛.基于MATLAB仿真的缓冲器对断路器分闸特性影响研究[J].高压电器,2015,51(12):120-125.

YU Mingxing, ZHAO Weitao. Simulation Study on the Influence of Multi-orifice Hydraulic Buffer on Opening Characteristics of High Voltage Circuit Breaker Based on MATLAB[J]. High voltageapparatus, 2015, 51(12): 120-125.
[1]余明星,赵伟涛.基于MATLAB仿真的缓冲器对断路器分闸特性影响研究[J].高压电器,2015,51(12):120-125. DOI： 10.13296/j.1001-1609.hva.2015.12.021.

YU Mingxing, ZHAO Weitao. Simulation Study on the Influence of Multi-orifice Hydraulic Buffer on Opening Characteristics of High Voltage Circuit Breaker Based on MATLAB[J]. High voltageapparatus, 2015, 51(12): 120-125. DOI： 10.13296/j.1001-1609.hva.2015.12.021.

摘要

为研究用于弹簧操动机构中的排孔式液压缓冲器结构参数对高压断路器分闸特性的影响

文中以排孔式缓冲器工作原理为基础建立了缓冲过程的数学模型

应用MATLAB对数学模型进行仿真求解。仿真所得曲线与试验曲线相吻合

证明了仿真的准确性

并依此为依据

仿真得到缓冲器在不同阻尼孔直径、不同阻尼孔位置、不同活塞与缸体配合间隙以及不同分闸弹簧刚度下对断路器分闸特性的影响

该研究为设计出满足断路器分合特性的缓冲器提供了理论指导。

Abstract

In order to investigate the influence of structure parameters of multi-orifice hydraulic buffer which used in the spring operating mechanism of high voltage circuit breaker to the opening operation

in this paper

a mathematical model of cushioning process based on buffer working principle is established.Then simulate and solve such mathematical model by MATLAB. First of all

to verify the simulation accuracy

the simulation and experimental curves are compared and analyzed. Then on this basis

through numerical simulation

it is found that the diameter and the spacing interval of damped orifice

the clearance between piston and cylinder block

and the stiffness of trip spring would influence the opening operation of circuit breaker. This study provides the theoretical guidance for designing and optimizing the performance of hydraulic buffer.

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