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Method for analyzing eddy currents in moving conductors
Author(s) -
Muramatsu Kazuhiro,
Nakata Takayoshi,
Takahashi Norio,
Fujiwara Koji
Publication year - 1994
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.4391140710
Subject(s) - electrical conductor , eddy current , coordinate system , linear induction motor , transient (computer programming) , computer science , mechanics , electrical engineering , physics , induction motor , voltage , engineering , artificial intelligence , operating system
When magnetic fields in electrical machines with moving conductors such as linear induction motors are analyzed, eddy currents due to the movement of conductors should be taken into account. Although two kinds of coordinate systems (moving and fixed coordinate systems) can be applicable to the analysis of eddy currents in moving conductors, the advantages and disadvantages of both coordinate systems are obscure. In this paper, methods for analyzing magnetic circuits with moving conductors are classified systematically, and the moving and fixed coordinate systems are compared with each other from the standpoints of accuracy, memory requirement, and CPU time. It is shown that the moving coordinate system is superior to the fixed coordinate system for transient analysis.