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Single Phase Asynchronous Motor is a type of induction motor driven by a 220V single-phase AC power supply. With its core advantages of compact structure, economic reliability, and strong adaptability, it has become the mainstream power equipment for small and medium power (usually tens of watts to several kilowatts) scenarios, widely covering areas such as household appliances, light industry, commercial equipment, etc. It is one of the largest motor categories in the world.

Single phase asynchronous motor

Core performance characteristics (reliable, durable, efficient adaptation)

Simple structure, stable and durable

Adopting the classic structure of squirrel cage rotor and stator main and auxiliary windings, without brushes or complex transmission components, with few and sturdy parts, low failure rate, and long service life (normal working conditions can reach more than 10 years). The stator adopts class H insulation (180 ℃), which is resistant to temperature and voltage, moisture and aging, and suitable for long-term operation in harsh environment; The fully enclosed protection design can prevent dust and splashes, and is suitable for installation needs in multiple scenarios.

Excellent startup and operational performance

According to the starting method, it can be divided into five categories: capacitor starting, capacitor operation, dual value capacitor, resistor starting, and shield pole type, which can accurately match different load requirements.

Capacitor starting type: With a large starting torque (up to 3 times the rated torque), it is suitable for heavy-duty starting (such as compressors and crushers);

Capacitor operation transformation: smooth operation, low noise, high efficiency, suitable for long-term light load operation (such as fans, blowers);

Dual value capacitor type: Balancing high starting torque and smooth operation, suitable for comprehensive working conditions such as water pumps and small machinery.

Stable speed (approximately 2700-2900rpm at 50Hz), minimal speed changes during load fluctuations, stable output torque, ensuring consistent equipment operation.
 

Energy efficiency optimization, economic and environmental protection

The mainstream products reach the IE2/IE3 high-efficiency level. By optimizing the magnetic circuit design and using high permeability silicon steel sheets, iron and copper losses are reduced, and the efficiency in the small and medium power range can reach 55% -85%, saving 10% -15% energy compared to traditional models. Controllable power factor (0.6-0.95), coupled with capacitor compensation, can further improve and reduce reactive power losses in the power grid; Low operating noise (≤ 60dB), minimal vibration, no electromagnetic pollution, in compliance with environmental protection requirements.
 

Easy installation and wide adaptability

Directly using 220V mains power, without the need for a three-phase power supply system, plug and play in scenarios such as homes, shops, and rural areas. Small size, light weight, supports horizontal/vertical multi-directional installation, suitable for narrow spaces; Simple speed regulation can be achieved through frequency converters and voltage regulation modules to meet different speed requirements.
 

Single phase asynchronous motors rely on mature and reliable structural design, diverse starting schemes, excellent energy-saving performance, and flexible installation adaptability, perfectly meeting the usage needs of small and medium power equipment. With outstanding comprehensive cost-effectiveness and environmental adaptability, this type of motor will continue to play a key role in many fields such as household appliances, light industry manufacturing, and commercial equipment, becoming an indispensable core supporting equipment for low-voltage single-phase power scenarios.