The problems existed in speedregulatingdevice of a hydropower station were analyzed, and improvement scheme was put forward.
分析了某电站调速装置存在的问题，提出了改进方案。
2
The paper introduced the haulage speedregulatingdevice of the electric magnetic speedregulating electric haulage coal shearer with MC68HC05B6 microcomputer.
提出了基于单片微型计算机MC 68hc05 B6的电磁调速电牵引采煤机牵引调速装置。
3
According to the adjusting principle of current bi-colsed, PLC and 6ra70 digital DC speedregulatingdevice is adopted, which controls over the system of the rolling mill.