a 220V AC single-phase power supply. Because 220V power supply is very convenient and economical, and household life uses 220V,
single-phase motors are not only used in large quantities in production, but also closely related to people's daily lives. In
production, it is used in mini pumps, refiners, threshers, shredders, woodworking machinery, medical equipment, etc. In life, it
is used in electric fans, hair dryers, exhaust fans, washing machines, refrigerators, etc.