| 摘要 |
A dynamic brake circuit for an a-c motor which includes a single phase a-c circuit connected across two stator terminals of a three phase motor after the motor energizing circuit is opened. A first diode is connected in series with the single phase a-c circuit and the two stator terminals. Two additional diodes are connected from the stator terminal receiving the first diode to the other two stator terminals, respectively, by the device which connects the single phase a-c circuit to the stator terminals.
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