起重机变频节能改造电机及变频器的选择

摘要

With the increase of the frequency energy conversion transformation of crane in mining enterprise, the burnt motor, inverter event is frequent. This paper described the causes and the notes of the motor and inverter selection in frequency energy conversion transformation.%随着工矿企业起重机变频节能改造的增多,频繁出现过流甚至烧毁电机、变频器的现象,本文介绍上述故障的原因及起重机变频改造时电机及变频器选择应注意的事项.