[HTML][HTML] Experimental investigations on the post-arc current of the vacuum circuit breaker in an active mechanical DC circuit breaker

S Jia, Q Tang, Z Shi, Y Mo - AIP Advances, 2021 - pubs.aip.org
Vacuum circuit breakers (VCB) are commonly used in active mechanical direct current circuit
breakers (DC CBs) to accomplish the interruption of the fault current. The post-arc current …

Modeling of plasma dispersion process in vacuum interrupters during postarc interval based on FEM

A Shemshadi - IEEE Transactions on Plasma Science, 2018 - ieeexplore.ieee.org
This paper presents a novel finite-element modeling of interelectrode plasma dispersion
process inside a vacuum interrupter (VI) prototype. A new set of coupled equations …

Implementing a dielectric recovery strength measuring system for molded case circuit breakers

YM Cho, J Rhee, JE Baek… - Journal of Electrical …, 2018 - repository.hanyang.ac.kr
In a low-voltage distribution system, the molded case circuit breaker (MCCB) is a widely
used device to protect loads by interrupting over-current; however the hot gas generated …

Mathematical Modeling of Plasma Dynamics and Dielectric Recovery in Vacuum Interrupters for HVDC Circuit Breaker

A Quoreshi - 2024 - diva-portal.org
To ensure the safe operation of high-voltage direct current grids, circuit breakers are used to
disconnect a faulty link from the rest of the grid. Incorporating vacuum interrupters as a part …

[PDF][PDF] The requisition of auto synchronism for vacuum interrupters during quenching arc interval

A Shemshadi, SJ Kashani - Latin American Applied Research, 2018 - academia.edu
This investigation presents new practical-based achievements for velocity of dielectric
recovery process lead to successful quenching arc inside a vacuum interrupter (VI) chamber …

An alternative approach for oil-immersed high voltage power transformer dissolved gas analysis diagnostic techniques

AK Mehrabadi, A Shemshadi… - ELEKTRIKA-Journal of …, 2019 - elektrika.utm.my
This article presents alternative analyzing method of extracted dissolved gases related to
insulating oil of power transformers. Analysis of soluble and free gas is one of the most …

A novel approach for basic insulation-level (BIL) enhancement of vacuum interrupters

A Shemshadi - Electrical Engineering, 2020 - Springer
This article introduces a newly developed design method that may be utilized in modern
high-voltage vacuum interrupter (VI) design. At first, a typical 24 kV vacuum chamber is …