Simulation of earthing switch behavior and its test verification

This article deals with electromagnetic field simulation of earthing switch for conditions met during short-circuit tests - withstand as well as making. The key issue to be solved is behavior of current path - mainly contact system from the electrodynamic forces point of view. Several configurations...

Full description

Saved in:
Bibliographic Details
Main Authors: Valenta, Jiri, Simek, David, Dostal, Lukas, Kloc, Petr, Koudelka, Frantisek, Grycz, Martin
Format: Conference Proceeding
Language:English
Subjects:
earthing switch
Electrodynamics
FEM simulation
Grounding
high-speed video
Mathematical model
Switches
Switchgear
Switching circuits
Torque
Online Access:Request full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:This article deals with electromagnetic field simulation of earthing switch for conditions met during short-circuit tests - withstand as well as making. The key issue to be solved is behavior of current path - mainly contact system from the electrodynamic forces point of view. Several configurations of current path geometry including current inlet were assessed. The second part of the paper deals with verification of simulations by real tests. During testing, special system for arc light intensity reduction has to be used together with high-speed camera so that the mechanical system behavior is clearly visible prior to moving and fixed parts touch (switching-on arc) and during current flow.
ISSN:2376-5631
DOI:10.1109/EPE51172.2020.9269210