| 摘要 |
PROBLEM TO BE SOLVED: To provide a safely device for an inverter control motor which can surely restrain runaway of a motor. SOLUTION: A contactor 10 is installed between a motor 11 and an inverter 1, which controls the electric power to be supplied to the motor 11. A contactor control means is installed, which throws open the contactor 10 and cuts off power supply to the motor 11, when the motor 11 is locked out. |
