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290228
Author: Franklin P.W.
Title: Theory of the D. C. Motor Controlled by Power Pulses Part II: Braking Methods, Commutation and Additional Losses
Released: 1972
This paper, as a continuation of a companicn paper discusses the adaptation of the basic differential equations of the pulsed DC series motor for several braking methods, resulting again in expressions predicting the duration of pulse periods, required pulse frequencies and resulting current and torque values. Furthermore, equations for commutation phenomenons and additional iron losses, as caused by the pulsing armature current, are derived. Finally, the pulsing armature current is represented by an exact and approximate Fourier Series.
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