Realization of highly efficient and small IPM motors for the compressors of air-conditioners

Author

Satoh, Mitsuhiko ; Kaneko, Seiichi ; Tomita, Mutuwo ; Doki, Shinji

Author_Institution

Aichi Elec Co., Nagoya Univ., Nagoya, Japan

fYear

2015

fDate

17-19 March 2015

Firstpage

825

Lastpage

830

Abstract

In the world, 50 million air-conditioners are set up every year. It is important to save the power consumed by air-conditioners. Therefore, the price of IPM motors has to be reduced. The price of IPM motors decreases if the cost of the material of the IPM motors decreases through decreasing the size of the IPM motors. In this paper, the smallest IPM motor whose stator outer diameter is 90 mm for compressors of 2.2kW and 2.5kW air-conditioners was developed. The experimental results showed that the efficiency of the motor was higher than 90% at a load of 120g-m(3,500rpm) to achieve the Japanese standard of COP for 2.2kW air conditioners of 5.28. The motors have been mass-produced.

Keywords

air conditioning; compressors; energy conservation; permanent magnet motors; power consumption; stators; COP japanese standard; IPM motor; air conditioner compressor; coefficient of performance; power 2.2 kW; power 2.5 kW; power consumption; power saving; stator; Magnetic cores; Permanent magnet motors; Permanent magnets; Reluctance motors; Rotors; Stator windings;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Technology (ICIT), 2015 IEEE International Conference on

Conference_Location

Seville

Type

conf

DOI

10.1109/ICIT.2015.7125200

Filename

7125200