ANALYSIS AND STABILITY OF A CAPACITOR COMPENSATED RELUCTANCE MOTOR
Date
1972-02
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Degree Level
Masters
Abstract
With the development of modern solid-state power supplies, there has been an increasing demand for variable speed synchronous drives. In several applications, a high degree of rotational stability and uniformity of speed is required. Reluctance motor are considered to be suitable electro-mechanical drives for such purposes.
A general method of analysis based on the physical understanding of the motor is presented in the thesis. The analysis is developed for a three-phase capacitor comepnsated reluctance motor under asynchronous operation. The method yields the voltage equations, equivalent circuits, expressions for the various currents and expressions for the torques including the pulsating torque. The total performance of the motor is discussed in detail. The experi—mental results of an especially designed reluctance motor confirm the validity of the analysis.
To study the stability behaviour of the motor, the damping and spring coefficients are investigated in detail for various modes
of operation.
The investigations presented in the thesis reveal that a variable speed reluctance motor with a very high degree of stability and uniformity of speed can be designed. Some topics which require further investigations are outlined.
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Degree
Master of Science (M.Sc.)
Department
Electrical Engineering