Feedback of stator power and reactive volt-amperes determines rotor excitation. New method involves control circuit separating rotor excitation into generation of slip frequency and control of amplitude and phase. In control circuit, speed determines slip frequency, while stator power and reactive volt-amperes determine amplitude and phase of rotor current.
Variable-Speed, Constant-Frequency Generation Of Power
NASA Tech Briefs ; 12 , 1
01.01.1988
Sonstige
Keine Angabe
Englisch
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