Single Phase Ac Motor
What is a Single Phase Ac Motor?
Single-phase AC motors are asynchronous motors driven by a 220V single-phase AC power supply; eliminating the need for three-phase power, they serve as the most widely used drive components in residential equipment and light industrial applications. Compared to three-phase motors, this type offers simple wiring, broad compatibility, and no requirement for specialized power lines, resulting in minimal installation and maintenance demands. Compared to DC motors, they offer key advantages such as longer service life, superior stability, freedom from frequent maintenance, and strong resistance to interference.
The single-phase AC motors developed and manufactured by our company feature pure copper windings, high-precision bearings, and thickened cast-iron housings. Enhanced with reinforced insulation, overload optimization, and noise-reduction tuning, they operate reliably under diverse conditions-including continuous operation, intermittent start-stop cycles, and variable-speed control. Perfectly suited for applications ranging from household appliances and small industrial machinery to fluid transport and ventilation/dust removal systems, these motors are the ideal power solution for 220V power environments.
Models
Features
- Pure Copper Windings for High Efficiency: The unit features all-new pure copper windings offering excellent conductivity, low heat generation, and minimal energy loss. Compared to aluminum-wound motors, energy efficiency is improved by over 15%, resulting in greater electricity savings during long-term operation and eliminating risks such as motor burnout from overheating or power degradation.
- Superior insulation and high-temperature resistance eliminate the risk of motor burnout: The motor windings utilize Class F high-temperature resistant insulation materials combined with a multi-layer varnish impregnation and sealing process, ensuring high insulation strength, heat resistance, and aging resistance. Capable of withstanding sustained operating temperature rises and transient voltage surges, the design effectively prevents faults such as coil short circuits, leakage, and dielectric breakdown; compared to standard motors, the unit offers over 30% improvement in both high-temperature performance and service life.
- Quiet, Stable, and Continuous Operation: Equipped with high-precision, quiet bearings and precision-balanced components, the motor operates with minimal vibration and noise. It supports 24-hour continuous operation and adapts seamlessly to diverse working conditions.
Products Description
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Model |
0.12~7.5kW Motor |
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Frame |
63~132 |
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Power |
0.12~7.5kW |
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Speed |
3000rpm, 1500rpm, 1000rpm |
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Voltage |
220/380V, 230/400V, or customization |
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Frequency |
50HZ/60HZ |
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Cooling |
Fan |
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Protection |
IP44/IP54/IP55 |
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Housing |
Aluminum/Cast Iron |
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Ambient temperature |
-15℃≤0℃≤40℃ |
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Altitude |
No exceeding 1000 meters |
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Duty |
S1 |
Drawings
Installation position
Our advantages
Production
Application
Company Profile
FAQ
Q: What is the fundamental difference between single-phase AC motors and three-phase motors?
A: The key differences lie in the power supply and application scenarios. Single-phase motors operate on a standard 220V residential power supply; they feature simple wiring and easy installation, making them suitable for small-scale equipment and domestic use. In contrast, three-phase motors require a 380V industrial power supply; they offer higher torque and power output, making them ideal for large industrial machinery and heavy-load operating conditions.
Q: What causes a single-phase motor to have weak starting torque and slow running speed?
A: The most likely cause is the aging or capacitance degradation of the start or run capacitor; other possibilities include excessive load, binding bearings, or loose wiring connections. The issue can usually be resolved by prioritizing the inspection and replacement of the capacitors, followed by checking the load and wiring.
Q: Can non-standard single-phase motors with custom voltages and speeds be produced?
A: Customization is available; the motors can be configured for various voltages and frequencies (110V/220V, 50Hz/60Hz). Additionally, special specifications-such as rotational speed, shaft diameter, and mounting flanges-can be customized to meet the requirements of non-standard equipment.
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