Calculation of armature fields and reactances for the design of double disc alternators

Double disc machines with hybrid excitation use permanent magnets to provide the bulk of the excitation and an excitation coil for output voltage adjustment. Finite element modeling techniques are used to find the unsaturated synchronous reactances of the machines and to model all the fields on load...

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Bibliographic Details
Published inIEEE transactions on magnetics Vol. 29; no. 6; pp. 2914 - 2916
Main Authors Eastham, J.F., Evans, P.D., Akmese, R., Ibrahim, M.I.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.11.1993
Institute of Electrical and Electronics Engineers
Subjects
Alternators
Applied sciences
Brushes
Coils
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Machine windings
Magnetic circuits
Permanent magnets
Special rotating machines
Stator cores
Testing
Voltage
Wounds
Finite element method
Electric generator
Experimental result
Disk rotor machine
Permanent magnet machine
Numerical method
AC generator
Two rotor machine
Modeling
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Summary:Double disc machines with hybrid excitation use permanent magnets to provide the bulk of the excitation and an excitation coil for output voltage adjustment. Finite element modeling techniques are used to find the unsaturated synchronous reactances of the machines and to model all the fields on load. A magnetostatic approach is used, and it is shown that the method gives results which compare well with experimental data taken from a prototype machine.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9464
1941-0069
DOI:10.1109/20.280919