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Reluctance DC generator with feedback and damper loop for output enhancement

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2 Author(s)
W. H. Koch ; Technische Universitat Hannover, Germany ; S. A. Nasar

The performance of brushless, two-phase, heteropolar inductor generators supplying dc loads through bridge rectifiers is improved by means of a compensating scheme employing current-feedback and stationary damper current-loops. Armature reaction upon unconstrained field current in the uncompensated generator is initially investigated. Then several feedback circuits are examined. Accurate solutions for output currents are obtained by the numerical integrations of state variable equations representing up to five circuits with time-varying inductances and rectifiers. Test results on an experimental machine are reported for several compensation methods.

Published in:

IEEE Transactions on Power Apparatus and Systems  (Volume:94 ,  Issue: 6 )