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Filtering by: Subject Electric motors, Direct current Degree Name Doctor of Philosophy (Ph.D.)

Digital simulation of a self-excited cumulative compound direct-current generator with variable load

Creator:

Maraqa, Abdel Muti

Abstract:

This thesis develops a simulation model for a cumulative connected compound direct-current generator to varify the operation of this machine under conditions of slowly and rapidly changing loads. The application of this simulation method will contribute to more exact modeling of power system components. The accuracy gained is in the...

Resource Type:

Dissertation

Full Text:

direct-current generator with variable load AN ABSTRACT OF THE THESIS OF ABDEL MUTI MARAQA for the
Prediction of brushless DC drive performance considering non-sinusoidal parameter variations and asymmetrical operating conditions

Creator:

Spee, Rene

Abstract:

A highly flexible numerical simulation model for the performance prediction of brushless dc drives is presented, which is capable of investigating unbalanced and asymmetrical operating conditions as well as drives with non-ideal parameters. Numerical speed-up procedures allow for the investigation of pulse-width modulated (PWM) drives using a personal computer. Experimental...

Resource Type:

Dissertation

Full Text:

(b) Measured Phase Current (5 A/div) 24. Motor Phase Current 48 (a) Computer Prediction (b