- Tytuł:
- Electrical contact temperature change after short-circuit current
- Autorzy:
-
Książkiewicz, A.
Janiszewski, J. - Powiązania:
- https://bibliotekanauki.pl/articles/377750.pdf
- Data publikacji:
- 2014
- Wydawca:
- Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
- Tematy:
-
contact materials
contact resistance
Joule's heat - Opis:
- Theoretical analysis is preformed concerning temperature rise of electrical contacts exposed to short-circuit current. This temperature is calculated for three different contact materials: AgNi, AgCdO and AgSnO2, used in low voltage electromagnetic relays. An assumption is made that the heat process is adiabatic. Amount of heat is calculated based on let-through energy (Joules heat) of miniature circuit breaker and on real electrical contact resistance. A simplified model of electrical contact heating is proposed.
- Źródło:
-
Poznan University of Technology Academic Journals. Electrical Engineering; 2014, 78; 65-70
1897-0737 - Pojawia się w:
- Poznan University of Technology Academic Journals. Electrical Engineering
- Dostawca treści:
- Biblioteka Nauki