【摘要】 论述了变频器对空调系统中风机和泵类机械装置的节能控制原理和方法，给出了变频器在空调自动控制系统的应用方式以及变频器容量的选定方法．更多还原

【Abstract】 In this paper, the control principle and methods of saving energy by the inverter are demonstraded to the wind -mechines and the water -pums in the air -conditioning system. we have given the usage of inverters in the air -conditioning automatic control system. and the methed to deteminde the capacity of inverters.更多还原