定速和变频家用空调的特性差异及其对电网的影响研究

Load Characteristic Comparison Between Inverter and Constant-Speed Air Conditioner and Their Influences on Power Grid

基于变频空调和定速空调同时普及应用的现状,利用专业的试验平台,对国内通用品牌变频、定速两种类型家用空调的长期运行特性、静态特性、启动特性、动态特性和堵转特性等进行了实测试验,全面比较分析了二者负荷特性的差异,分析了对电网的不同影响。最后得出,空调负荷的建模应充分考虑变频空调和定速空调在负荷特性上的较大差异,推广变频空调有利于电网的运行。

Considering the wide application of inverter air conditioners and constant speed air conditioners,this paper uses professinal experimental platform to test the two types of household air conditioners of domestic generic brand,mainly in terms of the long-term operating characteristics,static characteristics,starting characteristics,dynamic characteristics and locked-rotor characteristics. A comprehensive comparative analysis is made about the different load characteristics and influences on power grid. Finally,it is concluded that the modeling of the air conditioner load should take into full account the large load characteristics difference between the two types of air conditioners,and that it is more profitable for the power system operation to promote inverter air conditioners.