变频器制动单元在电牵引采煤机上的应用分析

The Application and Analysis of the Braking Unit with Frequency converter for Electrical Haulage Shearer

根据电牵引采煤机的使用情况 ,提出了采煤机使用制动单元的必要性。分析并计算出采煤机在减速和沿倾斜煤层下行两种情况下的制动功率 。

According to working condition of the electric haulage shearer, this article points out the necessity of using braking unit. It analyzes and calculates the braking power under the condition of the shearer deceleration and running down along the inclined seam. It also provides a electrical way used in the braking unit.