| 摘要 |
PROBLEM TO BE SOLVED: To control a motor of a hoisting machine and a motor for a door by one inverter. SOLUTION: This elevator comprises a hoisting motor 3 for scanning a car 1, a door motor 6 for opening and closing a car door 5, an inverter part 8 for simultaneously controlling the voltage and the frequency to be supplied to the hoisting motor 3 and the door motor 6, and a control part 9 outputting an instruction to the inverter part 8 for controlling a scanning speed of the car and an opening and closing speed of the door. The proper voltage and frequency are supplied to the hosting motor 3 from the inverter part 8 until the car is landed, and the proper voltage and frequency is supplied to the door motor 6 from the same inverter part 8 after the car is landed. |
