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    • 5. 发明授权
    • A.C. generator control apparatus and method having abnormality information output function
    • 具有异常信息输出功能的发电机控制装置和方法
    • US06812675B2
    • 2004-11-02
    • US10207962
    • 2002-07-31
    • Nobuhito OkamotoToshinori Maruyama
    • Nobuhito OkamotoToshinori Maruyama
    • H02H706
    • H02P9/305Y02T10/92
    • A voltage regulator for an a.c. generator produces a power generation ratio signal having a duty ratio corresponding to the current supply to the field winding of the a.c. generator. This power generation ratio signal is applied to an external apparatus through a signal wire. The duty ratio of the power generation ratio signal is more than 10% when the a.c. generator is normal. When abnormality is detected, the power generation ratio signal is partly masked by an abnormality detection signal so that the duty ratio of the power generation signal is reduced to be less than 10% and this change may be detected by the external apparatus. Alternatively, the power generation ratio signal may be transmitted only intermittently when the abnormality is detected.
    • 一个交流电压调节器 发电机产生具有对应于对交流电场的励磁绕组的电流供应的占空比的发电率信号。 发电机。 该发电率信号通过信号线施加到外部设备。 发电量信号的占空比大于10%。 发电机正常。 当检测到异常时,发电量信号被异常检测信号部分屏蔽,使得发电信号的占空比降低到小于10%,并且该变化可由外部设备检测。 或者,当检测到异常时,可以间歇地发送发电率信号。