Output voltage controller for AC vehicle generator

Details Output voltage controller for AC vehicle generator Output voltage controller for AC vehicle generator

2011-05-17

2011-05-17

Patel, T. C. (Department: 2839)

Electricity: single generator systems

Automatic control of generator or driving means

Voltage of generator or circuit supplied

C322S025000, C322S073000, C290S003000, C123S19800E

Reexamination Certificate

active

07944183

ABSTRACT:
An output voltage controller for an AC vehicle generator is proposed. The output voltage controller can easily suppress variation in rectified output voltage due to a switching surge without using a slope generation circuit in a voltage adjustment circuit. An excitation circuit that excites a field coil13includes a circulation element31, a semiconductor switch element33, an inductor35, and transient voltage absorption means40. The circulation element31is connected in parallel to the field coil13. The semiconductor switch element33is connected in series with the field coil13and turned on and off by a voltage adjustment circuit60. The inductor35is connected in series with the field coil13and the semiconductor switch element33. The transient voltage absorption means40absorbs a transient voltage generated in the inductor35in association with the switching of the semiconductor switch element33between ON and OFF.

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