1. //
  2. Start
  3. //
  4. Publications
  5. Numerical study of electrode vaporizatio...
  6. Output formats
  7. //

Numerical study of electrode vaporization rates in an Automotive HVDC Relay in hydrogen and open air in a short circuit situation

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Standard

Numerical study of electrode vaporization rates in an Automotive HVDC Relay in hydrogen and open air in a short circuit situation. / Ewuntomah, Crispin Masahudu; Oberrath, Jens.
Proceedings of the 66th IEEE Holm Conference on Electrical Contacts, HLM 2021. Institute of Electrical and Electronics Engineers Inc., 2021. p. 24-31 (Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts; Vol. 2021-October).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Harvard

Ewuntomah, CM & Oberrath, J 2021, Numerical study of electrode vaporization rates in an Automotive HVDC Relay in hydrogen and open air in a short circuit situation. in Proceedings of the 66th IEEE Holm Conference on Electrical Contacts, HLM 2021. Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts, vol. 2021-October, Institute of Electrical and Electronics Engineers Inc., pp. 24-31, IEEE Holm Conference on Electrical Contacts - HLM 2021, San Antonio, United States, 24.10.21. https://doi.org/10.1109/HLM51431.2021.9671143

APA

Ewuntomah, C. M., & Oberrath, J. (2021). Numerical study of electrode vaporization rates in an Automotive HVDC Relay in hydrogen and open air in a short circuit situation. In Proceedings of the 66th IEEE Holm Conference on Electrical Contacts, HLM 2021 (pp. 24-31). (Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts; Vol. 2021-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/HLM51431.2021.9671143

Vancouver

Ewuntomah CM, Oberrath J. Numerical study of electrode vaporization rates in an Automotive HVDC Relay in hydrogen and open air in a short circuit situation. In Proceedings of the 66th IEEE Holm Conference on Electrical Contacts, HLM 2021. Institute of Electrical and Electronics Engineers Inc. 2021. p. 24-31. (Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts). doi: 10.1109/HLM51431.2021.9671143

Bibtex

@inbook{b814d532c4c342a6bd7eacaf03976c0c,
title = "Numerical study of electrode vaporization rates in an Automotive HVDC Relay in hydrogen and open air in a short circuit situation",
abstract = "The occurrence of electric arcs during the unintended separation of contacts often does significant damage to the contacts. In high voltage direct current (HVDC) relays, such unintended contact separation mostly occurs during short circuit situations, which lead to the supply of large magnitudes of electric currents to the relays. Due to the high temperature of the resulting electric arcs, the contacts of the relays are rapidly and significantly vaporized. The vaporization of the contacts of a Panasonic AEV14012 relay is investigated in hydrogen and open air. Two relay samples are tested under similar short circuit conditions. The experimental results are used to validate a numerical model established in COMSOL to model electric arcs. The temperature of the arcs is estimated from the results of the numerical model and are used to estimate the vaporization rates of the electrodes in hydrogen and open air. ",
keywords = "contact vaporization, electric arc, electrical contacts, numerical models, relays, short circuit, simulation, Engineering",
author = "Ewuntomah, {Crispin Masahudu} and Jens Oberrath",
year = "2021",
doi = "10.1109/HLM51431.2021.9671143",
language = "English",
isbn = "978-1-6654-2106-5 ",
series = "Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "24--31",
booktitle = "Proceedings of the 66th IEEE Holm Conference on Electrical Contacts, HLM 2021",
address = "United States",
note = "IEEE Holm Conference on Electrical Contacts - HLM 2021 ; Conference date: 24-10-2021 Through 27-10-2021",
url = "https://ieeexplore.ieee.org/document/9671127",

}

RIS

TY - CHAP

T1 - Numerical study of electrode vaporization rates in an Automotive HVDC Relay in hydrogen and open air in a short circuit situation

AU - Ewuntomah, Crispin Masahudu

AU - Oberrath, Jens

N1 - Conference code: 66

PY - 2021

Y1 - 2021

N2 - The occurrence of electric arcs during the unintended separation of contacts often does significant damage to the contacts. In high voltage direct current (HVDC) relays, such unintended contact separation mostly occurs during short circuit situations, which lead to the supply of large magnitudes of electric currents to the relays. Due to the high temperature of the resulting electric arcs, the contacts of the relays are rapidly and significantly vaporized. The vaporization of the contacts of a Panasonic AEV14012 relay is investigated in hydrogen and open air. Two relay samples are tested under similar short circuit conditions. The experimental results are used to validate a numerical model established in COMSOL to model electric arcs. The temperature of the arcs is estimated from the results of the numerical model and are used to estimate the vaporization rates of the electrodes in hydrogen and open air.

AB - The occurrence of electric arcs during the unintended separation of contacts often does significant damage to the contacts. In high voltage direct current (HVDC) relays, such unintended contact separation mostly occurs during short circuit situations, which lead to the supply of large magnitudes of electric currents to the relays. Due to the high temperature of the resulting electric arcs, the contacts of the relays are rapidly and significantly vaporized. The vaporization of the contacts of a Panasonic AEV14012 relay is investigated in hydrogen and open air. Two relay samples are tested under similar short circuit conditions. The experimental results are used to validate a numerical model established in COMSOL to model electric arcs. The temperature of the arcs is estimated from the results of the numerical model and are used to estimate the vaporization rates of the electrodes in hydrogen and open air.

KW - contact vaporization

KW - electric arc

KW - electrical contacts

KW - numerical models

KW - relays

KW - short circuit

KW - simulation

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85124800638&partnerID=8YFLogxK

U2 - 10.1109/HLM51431.2021.9671143

DO - 10.1109/HLM51431.2021.9671143

M3 - Article in conference proceedings

AN - SCOPUS:85124800638

SN - 978-1-6654-2106-5

SN - 978-1-6654-2108-9

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

SP - 24

EP - 31

BT - Proceedings of the 66th IEEE Holm Conference on Electrical Contacts, HLM 2021

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - IEEE Holm Conference on Electrical Contacts - HLM 2021

Y2 - 24 October 2021 through 27 October 2021

ER -

Other publications by the same author(s)

2D Simulations of the NS-Laser Shock Peening

Pozdnyakov, V. & Oberrath, J., 06.2019, 2019 IEEE Pulsed Power and Plasma Science, PPPS 2019. Piscataway: IEEE - Institute of Electrical and Electronics Engineers Inc., 4 p. 9009984. (IEEE International Pulsed Power Conference; vol. 2019-June).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

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

Ewuntomah, C. M. & Oberrath, J., 30.09.2020, 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., p. 58-64 7 p. 9307918. (Electrical contacts (IEEE Holm Conference on Electrical Contacts Online); no. 66).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

A Stacked Planar Sensor Concept for Minimally Invasive Plasma Monitoring

Pohle, D., Schulz, C., Oberberg, M., Friedrichs, M., Serwa, A., Uhlig, P., Oberrath, J., Awakowicz, P. & Rolfes, I., 16.01.2019, 2018 Asia-Pacific Microwave Conference, APMC 2018 - Proceedings. Piscataway: IEEE - Institute of Electrical and Electronics Engineers Inc., p. 1315-1317 3 p. 8617552. (Asia-Pacific Microwave Conference Proceedings, APMC; vol. 2018-November).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Global modelling of the ns-laser shock peening

Pozdnyakov, V., Keller, S., Klusemann, B., Kashaev, N. & Oberrath, J., 03.2019, DPG-Frühjahrstagung der Sektion Materie und Kosmos (SMuK) : mit den Fachverbänden (sektionszugehörig): Extraterrestrische Physik, Gravitation und Relativitätstheorie, Physik der Hadronenund Kerne, Theoretische und Mathematische Grundlagen der Physik sowie weiteren Fachverbänden: Geschichte der Physik, Kurzzeit- und angewandte Laserphysik, Plasmaphysik, Umweltphysik und den Arbeitskreisen bzw. der Arbeitsgruppe: Beschleunigerphysik, Chancengleichheit, Junge DPG, Philosophie der Physik. Bad Honnef: Deutsche Physikalische Gesellschaft, p. 151 1 p. K 6.1. (Verhandlung der Deutschen Physikalischen Gesellschaft, Reihe 6; vol. 54, no. 2).

Research output: Contributions to collected editions/works › Published abstract in conference proceedings › Research › peer-review

Planar multipole resonance probe: Comparison of full-wave electromagnetic simulation and electrostatic approximation

Friedrichs, M., Pohle, D., Rolfes, I. & Oberrath, J., 01.09.2019, 2019 Kleinheubach Conference, KHB 2019. Piscataway: IEEE - Institute of Electrical and Electronics Engineers Inc., 8890211. (2019 Kleinheubach Conference, KHB 2019).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

DOI