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

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

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The paper analyzed Circuit Board 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 Chofa frequency-conversion control principle of the winch and introduced existed problems in application of the winch and corresponding solutions in details.