Disclosed is a method for controlling an inverter during a rescue operation which reduces energy consumption and increases riding quality by reducing the number of driving and a driving distance for detecting a driving direction. The method comprises the following steps of: applying a holding voltage to a motor; gradually lowering the holding voltage by a predetermined level when a predetermined initial operation section elapses after starting the motor; and performing a rescue operation according to a high load when a cumulative position change amount of the motor reaches a predetermined level.
구출운전시 인버터 제어방법이 개시된다. 본 발명의 방법은, 전동기에 구속전압을 인가하고, 전동기의 기동 이후 소정의 초기 기동구간이 경과하면, 구속전압을 소정 레벨만큼 점진적으로 낮추고, 전동기의 누적된 위치변화량이 소정 레벨에 도달한 경우, 고중량에 따라 구출운전을 수행한다.
METHOD FOR CONTROLLING INVERTER WHEN RESCUE DRIVING
구출운전시 인버터 제어방법
2018-10-01
Patent
Electronic Resource
Korean
IPC: | B66B Aufzüge , ELEVATORS |
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