3D Simulation of Electric Arcing and Pressure increase in an Automotive HVDC Relay During a Short Circuit Situation

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Standard

3D Simulation of Electric Arcing and Pressure increase in an Automotive HVDC Relay During a Short Circuit Situation. / Ewuntomah, Crispin Masahudu; Oberrath, Jens.
ELECTRICAL CONTACTS 2020 - Proceedings of the 66th IEEE Holm Conference on Electrical Contacts and Intensive Course, HLM 2020. San Antonio: IEEE - Institute of Electrical and Electronics Engineers Inc., 2020. p. 58-64 9307918 (Electrical contacts (IEEE Holm Conference on Electrical Contacts Online); No. 66).

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Harvard

Ewuntomah, CM & Oberrath, J 2020, 3D Simulation of Electric Arcing and Pressure increase in an Automotive HVDC Relay During a Short Circuit Situation. in ELECTRICAL CONTACTS 2020 - Proceedings of the 66th IEEE Holm Conference on Electrical Contacts and Intensive Course, HLM 2020., 9307918, Electrical contacts (IEEE Holm Conference on Electrical Contacts Online), no. 66, IEEE - Institute of Electrical and Electronics Engineers Inc., San Antonio, pp. 58-64, 66th IEEE Holm Conference on Electrical Contacts - IEEE Holm 2020, San Antonio, TX, United States, 30.09.20. https://doi.org/10.1109/HLM49214.2020.9307918

APA

Ewuntomah, C. M., & Oberrath, J. (2020). 3D Simulation of Electric Arcing and Pressure increase in an Automotive HVDC Relay During a Short Circuit Situation. In ELECTRICAL CONTACTS 2020 - Proceedings of the 66th IEEE Holm Conference on Electrical Contacts and Intensive Course, HLM 2020 (pp. 58-64). Article 9307918 (Electrical contacts (IEEE Holm Conference on Electrical Contacts Online); No. 66). IEEE - Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/HLM49214.2020.9307918

Vancouver

Ewuntomah CM, Oberrath J. 3D Simulation of Electric Arcing and Pressure increase in an Automotive HVDC Relay During a Short Circuit Situation. In ELECTRICAL CONTACTS 2020 - Proceedings of the 66th IEEE Holm Conference on Electrical Contacts and Intensive Course, HLM 2020. San Antonio: IEEE - Institute of Electrical and Electronics Engineers Inc. 2020. p. 58-64. 9307918. (Electrical contacts (IEEE Holm Conference on Electrical Contacts Online); 66). doi: 10.1109/HLM49214.2020.9307918

Bibtex

@inbook{bb9ce1a8d2a944e69dc6db692b3a2f82,
title = "3D Simulation of Electric Arcing and Pressure increase in an Automotive HVDC Relay During a Short Circuit Situation",
abstract = "A short circuit situation in an electric vehicle can lead to several undesirable occurrences. One of such is the formation of high temperature electric arcs between the contacts of the high voltage direct current (HVDC) relays in the circuit. These arcs significantly vaporize the contacts within a few milliseconds. As a result, the pressure of the gas within the relay chamber significantly increases. Depending on the magnitude of the short circuit current, the pressure increase may lead to an explosion of the relay. To understand and quantify the pressure increase, a Panasonic AEV14012 relay is investigated. A short circuit experiment is conducted on the relay. The test results are compared with a numerical model established in COMSOL to simulate the electric arcing process. The temperature of the arcs is used to estimate the resulting vaporization. The simulation results show the arcing process and the resulting pressure increase within the relay chamber. ",
keywords = "Engineering, relays, electrical contacts, numerical models, short circuit, electric arc,, pressure, simulation",
author = "Ewuntomah, {Crispin Masahudu} and Jens Oberrath",
year = "2020",
month = sep,
day = "30",
doi = "10.1109/HLM49214.2020.9307918",
language = "English",
isbn = "978-0-7381-2360-8",
series = "Electrical contacts (IEEE Holm Conference on Electrical Contacts Online)",
publisher = "IEEE - Institute of Electrical and Electronics Engineers Inc.",
number = "66",
pages = "58--64",
booktitle = "ELECTRICAL CONTACTS 2020 - Proceedings of the 66th IEEE Holm Conference on Electrical Contacts and Intensive Course, HLM 2020",
address = "United States",
note = "66th IEEE Holm Conference on Electrical Contacts - IEEE Holm 2020 ; Conference date: 30-09-2020 Through 07-10-2020",
url = "https://ieee-holm.org/",

}

RIS

TY - CHAP

T1 - 3D Simulation of Electric Arcing and Pressure increase in an Automotive HVDC Relay During a Short Circuit Situation

AU - Ewuntomah, Crispin Masahudu

AU - Oberrath, Jens

N1 - Conference code: 66

PY - 2020/9/30

Y1 - 2020/9/30

N2 - A short circuit situation in an electric vehicle can lead to several undesirable occurrences. One of such is the formation of high temperature electric arcs between the contacts of the high voltage direct current (HVDC) relays in the circuit. These arcs significantly vaporize the contacts within a few milliseconds. As a result, the pressure of the gas within the relay chamber significantly increases. Depending on the magnitude of the short circuit current, the pressure increase may lead to an explosion of the relay. To understand and quantify the pressure increase, a Panasonic AEV14012 relay is investigated. A short circuit experiment is conducted on the relay. The test results are compared with a numerical model established in COMSOL to simulate the electric arcing process. The temperature of the arcs is used to estimate the resulting vaporization. The simulation results show the arcing process and the resulting pressure increase within the relay chamber.

AB - A short circuit situation in an electric vehicle can lead to several undesirable occurrences. One of such is the formation of high temperature electric arcs between the contacts of the high voltage direct current (HVDC) relays in the circuit. These arcs significantly vaporize the contacts within a few milliseconds. As a result, the pressure of the gas within the relay chamber significantly increases. Depending on the magnitude of the short circuit current, the pressure increase may lead to an explosion of the relay. To understand and quantify the pressure increase, a Panasonic AEV14012 relay is investigated. A short circuit experiment is conducted on the relay. The test results are compared with a numerical model established in COMSOL to simulate the electric arcing process. The temperature of the arcs is used to estimate the resulting vaporization. The simulation results show the arcing process and the resulting pressure increase within the relay chamber.

KW - Engineering

KW - relays

KW - electrical contacts

KW - numerical models

KW - short circuit

KW - electric arc,

KW - pressure

KW - simulation

UR - http://www.scopus.com/inward/record.url?scp=85099692363&partnerID=8YFLogxK

U2 - 10.1109/HLM49214.2020.9307918

DO - 10.1109/HLM49214.2020.9307918

M3 - Article in conference proceedings

SN - 978-0-7381-2360-8

T3 - Electrical contacts (IEEE Holm Conference on Electrical Contacts Online)

SP - 58

EP - 64

BT - ELECTRICAL CONTACTS 2020 - Proceedings of the 66th IEEE Holm Conference on Electrical Contacts and Intensive Course, HLM 2020

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

CY - San Antonio

T2 - 66th IEEE Holm Conference on Electrical Contacts - IEEE Holm 2020

Y2 - 30 September 2020 through 7 October 2020

ER -

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