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Volume 2017,
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Estimating the temperature rise of load break switch contacts in enclosed MV switchgear
- Author(s): Elin Fjeld 1 ; Wilhelm Rondeel 1 ; Svein Thore Hagen 1 ; Magne Saxegaard 2
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View affiliations
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Affiliations:
1:
University College of Southeast Norway , Department of Electrical Engineering , IT and Cybernetics , Norway ;
2: ABB , Medium Voltage Products , Norway
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Affiliations:
1:
University College of Southeast Norway , Department of Electrical Engineering , IT and Cybernetics , Norway ;
- Source:
Volume 2017, Issue 1,
October
2017,
p.
136 – 139
DOI: 10.1049/oap-cired.2017.0349 , Online ISSN 2515-0855
This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Published
01/10/2017
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Inspec keywords: heat conduction; electrical contacts; switchgear
Other keywords: surrounding air; temperature rise estimation; load break switch contacts; open-close contact; enclosed MV switchgear; surface emissivity; LBS contacts; heat conduction; heat transfer coefficient; medium-voltage switchgear; ohmic loss
Subjects: Switchgear
References
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3. Fjeld, E., et al: ‘Thermal design of future medium voltage switchgear’. 23rd Int. Conf. on Electricity Distribution (CIRED), Lyon, 2015, paper 1090.
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2)
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6. Fjeld, E., Rondeel, W., Saxegaard, M.: ‘Temperature rise in a load break switch’. 62nd IEEE Holm Conf. on Electrical Contacts, FL, USA, 2016.
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3)
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4. Fjeld, E., Rondeel, W., Vaagsaether, K., et al: ‘Influence of heat source location on air temperatures in sealed MV switchgear’. Submitted to the 24th Int. Conf. on Electricity Distribution (CIRED), Glasgow, 2017, paper 0345.
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4)
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5. Kilindjian, C.: ‘Thermal study of LV electric switchboards’, Cahier technique no 145, Groupe Schneider.
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2. IEC/TR 60890:2014 ed. 2.0: ‘A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation’.
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1. IEC 62271-1:2011 ed. 1.1: ‘High-voltage switchgear and controlgear – Part 1: common specifications’.
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http://iet.metastore.ingenta.com/content/journals/10.1049/oap-cired.2017.0349
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