Simulation of Electric Arcing in HVDC Relays During a Short Circuit Situation

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

Standard

Simulation of Electric Arcing in HVDC Relays During a Short Circuit Situation. / Ewuntomah, Crispin Masahudu; Oberrath, Jens.
Electrical Contacts 2019 - Proceedings of the 65th IEEE Holm Conference on Electrical Contacts, Holm 2019. IEEE - Institute of Electrical and Electronics Engineers Inc., 2019. S. 257-261 8923689 (Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts; Band 65).

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

Harvard

Ewuntomah, CM & Oberrath, J 2019, Simulation of Electric Arcing in HVDC Relays During a Short Circuit Situation. in Electrical Contacts 2019 - Proceedings of the 65th IEEE Holm Conference on Electrical Contacts, Holm 2019., 8923689, Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts, Bd. 65, IEEE - Institute of Electrical and Electronics Engineers Inc., S. 257-261, IEEE Holm Conference on Electrical Contacts - IEEE Holm 2019, Milwaukee, Wisconsin, USA / Vereinigte Staaten, 15.09.19. https://doi.org/10.1109/HOLM.2019.8923689

APA

Ewuntomah, C. M., & Oberrath, J. (2019). Simulation of Electric Arcing in HVDC Relays During a Short Circuit Situation. In Electrical Contacts 2019 - Proceedings of the 65th IEEE Holm Conference on Electrical Contacts, Holm 2019 (S. 257-261). Artikel 8923689 (Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts; Band 65). IEEE - Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/HOLM.2019.8923689

Vancouver

Ewuntomah CM, Oberrath J. Simulation of Electric Arcing in HVDC Relays During a Short Circuit Situation. in Electrical Contacts 2019 - Proceedings of the 65th IEEE Holm Conference on Electrical Contacts, Holm 2019. IEEE - Institute of Electrical and Electronics Engineers Inc. 2019. S. 257-261. 8923689. (Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts). doi: 10.1109/HOLM.2019.8923689

Bibtex

@inbook{006717704b354cff9a3a88dd22825fb8,
title = "Simulation of Electric Arcing in HVDC Relays During a Short Circuit Situation",
abstract = "Electric arcing in high voltage direct current (HVDC) relays is an undesirable phenomenon that many manufacturers seek to fully understand and control. In short circuit situations, the rapid increase of the current causes the arcs to excessively heat, melt, boil, and vaporize the contact spots of the relays. This situation may end in explosion of the relays. In this work, the arcing process of such a short circuit situation is simulated based on time dependent current and voltage measurements at the relay [3]. To analyse the electric arcs in detail, and estimate the resulting vaporization from the increasing current, a multiphysics model which couples current flow, fluid flow, and heat transfer, based on balance equations, is established in COMSOL. The simulation results will show the electric arc formation and time dependent arc evolution. It is expected that; the temperatures of the arcs are high enough to melt, boil, and vaporize the contact materials, which has to be quantified to understand the pressure increase within the relay chamber.",
keywords = "Engineering, high voltage, direct current, electric relay, electric arc, short circuit, electrical contacts, plasma arcs",
author = "Ewuntomah, {Crispin Masahudu} and Jens Oberrath",
year = "2019",
month = sep,
doi = "10.1109/HOLM.2019.8923689",
language = "English",
isbn = "978-1-7281-3684-4",
series = "Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts",
publisher = "IEEE - Institute of Electrical and Electronics Engineers Inc.",
pages = "257--261",
booktitle = "Electrical Contacts 2019 - Proceedings of the 65th IEEE Holm Conference on Electrical Contacts, Holm 2019",
address = "United States",
note = "IEEE Holm Conference on Electrical Contacts - IEEE Holm 2019, IEEE Holm ; Conference date: 15-09-2019 Through 18-09-2019",
url = "http://www.ieee-holm.org/h2019/",

}

RIS

TY - CHAP

T1 - Simulation of Electric Arcing in HVDC Relays During a Short Circuit Situation

AU - Ewuntomah, Crispin Masahudu

AU - Oberrath, Jens

N1 - Conference code: 65

PY - 2019/9

Y1 - 2019/9

N2 - Electric arcing in high voltage direct current (HVDC) relays is an undesirable phenomenon that many manufacturers seek to fully understand and control. In short circuit situations, the rapid increase of the current causes the arcs to excessively heat, melt, boil, and vaporize the contact spots of the relays. This situation may end in explosion of the relays. In this work, the arcing process of such a short circuit situation is simulated based on time dependent current and voltage measurements at the relay [3]. To analyse the electric arcs in detail, and estimate the resulting vaporization from the increasing current, a multiphysics model which couples current flow, fluid flow, and heat transfer, based on balance equations, is established in COMSOL. The simulation results will show the electric arc formation and time dependent arc evolution. It is expected that; the temperatures of the arcs are high enough to melt, boil, and vaporize the contact materials, which has to be quantified to understand the pressure increase within the relay chamber.

AB - Electric arcing in high voltage direct current (HVDC) relays is an undesirable phenomenon that many manufacturers seek to fully understand and control. In short circuit situations, the rapid increase of the current causes the arcs to excessively heat, melt, boil, and vaporize the contact spots of the relays. This situation may end in explosion of the relays. In this work, the arcing process of such a short circuit situation is simulated based on time dependent current and voltage measurements at the relay [3]. To analyse the electric arcs in detail, and estimate the resulting vaporization from the increasing current, a multiphysics model which couples current flow, fluid flow, and heat transfer, based on balance equations, is established in COMSOL. The simulation results will show the electric arc formation and time dependent arc evolution. It is expected that; the temperatures of the arcs are high enough to melt, boil, and vaporize the contact materials, which has to be quantified to understand the pressure increase within the relay chamber.

KW - Engineering

KW - high voltage

KW - direct current

KW - electric relay

KW - electric arc

KW - short circuit

KW - electrical contacts

KW - plasma arcs

UR - http://www.scopus.com/inward/record.url?scp=85077695026&partnerID=8YFLogxK

U2 - 10.1109/HOLM.2019.8923689

DO - 10.1109/HOLM.2019.8923689

M3 - Article in conference proceedings

SN - 978-1-7281-3684-4

SN - 978-1-7281-3685-1

T3 - Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts

SP - 257

EP - 261

BT - Electrical Contacts 2019 - Proceedings of the 65th IEEE Holm Conference on Electrical Contacts, Holm 2019

PB - IEEE - Institute of Electrical and Electronics Engineers Inc.

T2 - IEEE Holm Conference on Electrical Contacts - IEEE Holm 2019

Y2 - 15 September 2019 through 18 September 2019

ER -

DOI