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(2014). Simulation of field emission current in order to diagnosis internal pressure of vacuuminterrupters. Electronic and Cyber Defense, 2(2), 11-17.
. "Simulation of field emission current in order to diagnosis internal pressure of vacuuminterrupters". Electronic and Cyber Defense, 2, 2, 2014, 11-17.
(2014). 'Simulation of field emission current in order to diagnosis internal pressure of vacuuminterrupters', Electronic and Cyber Defense, 2(2), pp. 11-17.
Simulation of field emission current in order to diagnosis internal pressure of vacuuminterrupters. Electronic and Cyber Defense, 2014; 2(2): 11-17.

Simulation of field emission current in order to diagnosis internal pressure of vacuuminterrupters

الکترومغناطیس کاربردی
Article 2, Volume 2, Issue 2, July 2014, Pages 11-17    PDF (4.03 M)
Document Type: Original Article
Receive Date: 17 October 2015,  Revise Date: 06 March 2019,  Accept Date: 19 September 2018 
Abstract
Condition monitoring of vacuum circuit breaker is one of the important factor to determine its life time. Internal pres-
sure  of  vacuum  interrupter  is  the  main  parameter  of  vacuum  circuit  breaker  conditioning .Rise  of  internal  pressure
recent decades many internal pressure determining methods have been researched to evaluate the influences of differ-
ent parameters. Although most of them are based on experimental tests but none of them was a satisfying and reliable
method to give enough information about residual vacuum pressure. Thus, the field emission current is modelled and
simulated in this paper using plasma modelling by particle in cell (PIC) method in order to determine the relation of
current and vacuum pressure. The simulation results demonstrate that pulsed current with field emission current used
for diagnosis vacuum pressure of vacuum interrupter.
Keywords
Field emission current; Vacuum Interrupter (VI); Vacuum circuit breaker; Particle in cell (PIC); Ionization
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