Existed Problems of Frequency-conversion Winch in Mine Hoisting and Its Solutions

Abstract

The paper analyzed development status of hoisting winch of mine and pointed out that frequency-conversion winch is development direction of hoisting winch of mine. Taking application of frequency-conversion winch in one coal mine as example, it gave frequency-conversion control principle of the winch and introduced existed problems in application of the winch and corresponding solutions in details.

Keywords

• mine hoist, frequency-conversion winch, frequency converter