Duty ratio control for a vehicular generator responsive to low a

Details Duty ratio control for a vehicular generator responsive to low a Duty ratio control for a vehicular generator responsive to low a

1996-07-16

1998-05-19

Stephan, Steven L.

Electricity: single generator systems

Automatic control of generator or driving means

Antihunting or rate of change

322 20, 322 21, 322 34, H02P 900

Patent

active

057540306

ABSTRACT:
Duty ratio of a power switching transistor connected to the field coil is controlled according to whether or not a high-power load is connected. When the high power load is not connected, the duty ratio is made 60%, for example, so that excessive power not generated. On the other hand, when the high power load is connected, the duty ratio is increased to 100% so that full power is generated by the generator. The power switching transistor is also controlled according to the battery voltage in a well known manner.

REFERENCES:
patent: 4682044 (1987-07-01), Hotate et al.
patent: 5352971 (1994-10-01), Nishimura
patent: 5387820 (1995-02-01), Imagawa
patent: 5483146 (1996-01-01), Schultz et al.
patent: 5561363 (1996-10-01), Mashino et al.
patent: 5581172 (1996-12-01), Iwatani et al.
patent: 5606246 (1997-02-01), Adachi

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