With the development of control technology, DDC has been widely used in the intelligent building. This paper introduces the DDC application in the energy conservation of air condition and the calculation methods of energy conservation for transducer.

• 随着控制技术的发展,其在建筑物智能化的应用也得到越来越广泛的研究,本文论述了直接数字控制技术在空调节能过程中的应用,并阐述了变频器的节能计算方法。