| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor control device for a feed-water pump which stops a motor of the feed-water pump when a feed-water tank has run out of water. SOLUTION: A control circuit is provided which stops the motor by detecting that the number of revolutions of the motor has exceeded the prescribed number of revolutions to be stopped. COPYRIGHT: (C)2007,JPO&INPIT
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