Eur. Phys. J. AP
Volume 23, Number 1, July 2003
|Page(s)||55 - 62|
|Section||Magnetism, Superconductivity and Related Devices|
|Published online||12 June 2003|
Bus bar copper losses computation
Laboratoire d'Électrotechnique de Grenoble, ENSIEG, BP 46, 38402
Revised: 19 December 2002
Accepted: 6 March 2003
Published online: 12 June 2003
This paper describes how to forecast copper losses in a bus bar, composed of thin copper layers and several access points. The main difficulties are, first to determine current path and associated electrical characteristics, and second to propose electrical equivalent circuits of the bus bar, allowing copper losses representation. For bus bar electrical modeling, the choice of an integral method, PEEC method, is justified. Then, several equivalent circuits are proposed and their validity for copper losses computation discussed.
PACS: 84.32.Ff – Conductors, resistors (including thermistors, varistors, and photoresistors)
© EDP Sciences, 2003
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