Air conditioning equipment using dc power supply system

In recent years, energy-saving measures in the household electrical appliances is progressing. Further, with the development of power electronics field, digital household electrical appliances that operate at DC power source is beginning to increase. In this paper, basic system action testing of a system was put into effect. An air-conditioning equipment was used for system action testing. As a result, the cooperativeness of DC power supply system and AC power supply system were confirmed.