The saving energy control system is proposed for problem of oil drawing machine electric driver which efficiency and power factor is low.
针对抽油机电驱动装置效率和功率因数低、耗能严重的问题，研制了一台新型的抽油机节能控制系统。
A heating boiler monitoring and control system is developed for energy saving ang convenience of management.
为节省能源便于管理设计开发了采暖锅炉工况检测与控制系统。
Use HPM hybrid permanent magnet motor to energy saving, and in operation by means of a complete set of control system.
使用HPM混合永磁电机要在运行中节能，还要借助于一套完整的控制系统。
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