| 摘要 |
A generator control circuit of an ac generator which charges a battery includes a voltage regulator, a comparator which provides a control signal for controlling the voltage regulator when the output voltage of the ac generator is higher than a predetermined voltage and an alarming device which operates when the comparator does not provide the control signal. The predetermined voltage is set higher than voltage of the battery when the battery is open and equal to or lower than a regulation voltage of the ac generator.
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