Controller of generator for vehicle
First Claim
1. In a controller of a generator for a vehicle, including a voltage regulator which performs on/off control of a field current by a switching element, thereby to regulate a generated voltage to a predetermined voltage, and which performs variable control of a regulated voltage with a control signal from an external control unit;
- a controller of a generator for a vehicle, characterized by disposing a maximum duty factor limiting circuit which limits a maximum duty factor of the switching element for performing the on/off control of the field current, when the control signal is inputted from the external control unit.
1 Assignment
0 Petitions
Accused Products
Abstract
A controller of a generator (1) for a vehicle comprising a voltage regulator (3) for regulating a generated voltage to a predetermined voltage by performing on/off control of a field current through a switching element and performing variable control of a regulated voltage with a control signal from an external control unit (4) is further provided with a maximum duty factor limiting circuit (300) for limiting the maximum duty factor of the switching element (Q3) performing on/off control of the field current.
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Citations
7 Claims
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1. In a controller of a generator for a vehicle, including a voltage regulator which performs on/off control of a field current by a switching element, thereby to regulate a generated voltage to a predetermined voltage, and which performs variable control of a regulated voltage with a control signal from an external control unit;
- a controller of a generator for a vehicle, characterized by disposing a maximum duty factor limiting circuit which limits a maximum duty factor of the switching element for performing the on/off control of the field current, when the control signal is inputted from the external control unit.
- View Dependent Claims (2, 3)
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4. In a controller of an AC generator for a vehicle, including a voltage regulator which detects a terminal voltage of a storage battery that is charged with a rectification output of the AC generator having a field coil, which controls on/off of a field switching element on the basis of the detected voltage and a control signal that is inputted from an external control unit, and which performs on/off control of a field current that flows through the field coil, thereby to regulate an output voltage of the AC generator to a predetermined value;
- a controller of an AC generator for a vehicle, characterized by disposing a maximum duty factor limiting circuit which limits a maximum duty factor of the field switching element on the basis of a comparison between the control signal from the external control unit and a preset reference signal.
- View Dependent Claims (5, 6, 7)
Specification