Impact of load on winding inductances of permanent magnet generators with multiple damping circuits using energy perturbation
A computer-aided method to determine the impact of load on winding inductances and other machine parameters of permanent magnet generators with multiple damping circuits is presented. The method is general in nature so that it can be applied to detailed computer-aided design processes of permanent magnet generator systems. The method is based on use of the abc frame of reference for development of the necessary state equations. This is an advantage over other methods that employ Park's direct-quadrature transformation in obtaining a machine state model in the dqO frame of reference in that no simplifying assumptions, such as neglect of magnetic nonlinearities, neglect of spaced harmonics in the mmfs as well as space harmonics in flux density waveforms or winding flux linkages, are necessary in this approach. The effects of magnetic saturation and inherent harmonics in flux linkages on machine parameters are accounted for by obtaining a series of comprehensive finite element magnetic field solutions throughout the machine cross-section.
- OSTI ID:
- 6308719
- Report Number(s):
- CONF-880102-
- Country of Publication:
- United States
- Language:
- English
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24 POWER TRANSMISSION AND DISTRIBUTION
COMPUTER-AIDED DESIGN
COMPUTERIZED SIMULATION
CROSS SECTIONS
DAMPING
ELECTRIC GENERATORS
ELECTRONIC CIRCUITS
FINITE ELEMENT METHOD
HARMONICS
LOAD ANALYSIS
MAGNETS
NUMERICAL SOLUTION
OSCILLATIONS
PERMANENT MAGNETS
SIMULATION
STATIC LOADS