Small Single Phase AC Motor

The Small Single Phase AC Motor is a core power solution for high-power, high-starting-load scenarios, such as industrial compressors, ultra-deep well pumps, heavy agricultural machinery, and processing equipment. Its key advantage is achieving near three-phase motor starting performance with single-phase power, but strict maintenance of capacitors and switch components is essential.

 

 

Match load characteristics (e.g., resistance type, inertia, runtime).

Prioritize fully enclosed, fan-cooled motors (IP55+) in high-temperature/humidity environments.

Regularly inspect capacitor capacity and switch contacts to prevent unexpected failures.

 

 

 

1, Dedicated Power Solution for Heavy-Duty Equipment

High Starting Torque: Delivers 3.5x rated torque (factory-tested, with video proof), ideal for large water pumps, industrial air compressors, and other heavy-load equipment, resolving startup challenges for high-inertia loads.

Voltage Adaptability: Supports 220V±10% (198V-242V) voltage fluctuations, compliant with GB/T 12325 power quality standards, suitable for standard industrial grids.

 

2, Optimized Efficiency & Cost Control

Dual Capacitor Coordination: Precision-matched starting capacitor (200μF) and running capacitor (35μF) ensure a power factor ≥0.90, saving 10%-12% energy compared to traditional single-capacitor motors.

Long-Term Cost Savings: Annual electricity savings of ¥2,500-3,000* (based on 5,000-hour yearly operation, industrial rate ¥0.8/kWh).

 

3, Industrial-Grade Durability

Reinforced Cast Iron Housing: Passed GB/T 2423.10 vibration tests (1.5mm amplitude, 10Hz-55Hz frequency), improving impact resistance by 50%.

Enhanced Cooling System: Dual airflow channels + aluminum alloy heat sinks limit winding temperature rise to ≤80K (GB 755 standard), supporting 48-hour continuous operation.

 

4, User-Centric Maintenance

External Capacitor Compartments: Separate installation for starting and running capacitors-replacement requires no motor disassembly (standard wrench, <10 minutes).

Universal Bearings: Uses 6204/6205 series bearings, widely available for user-led replacements.

 

 

(1) Ambient Temperature: -15℃≦θa≦40℃

(2) Rated Voltage: 220V AC

(3) Rated Frequency: 50Hz/60Hz

(4) Altitude: ≦1000m

 

 

Continuous light loads (e.g., standard fans, conveyors): Dual capacitors add unnecessary cost; single-capacitor motors are more economical. Ultra-frequent cycling (e.g., packaging machine sorting arms, robotic arms): Mechanical centrifugal switches have extremely short lifespans (<50,000 cycles); servo/brushless motors are required.

Precision speed control or frequency conversion: Requires external inverters; dual-capacitor motors have poor speed regulation performance and overheating risks.

 

 

Tator creates a rotating magnetic field via phase differences in the coil windings.

The rotor's conductive bars cut through this rotating field, inducing currents (Lenz's Law) that generate a counter-magnetic field. The interaction between the stator and rotor fields causes rotational motion.

 

1. Start-Up Mechanism

Single-Phase Motors: Require a capacitor or starter winding to create a phase shift between windings, generating the initial torque.

Three-Phase Motors: Directly produce a rotating magnetic field without additional components due to the inherent phase differences in the supply.

 

2. Key Characteristics

Induction Operation: The rotor always rotates slower than the stator's synchronous speed (called "slip"), ensuring continuous torque generation.

Efficiency: Compact design and absence of brushes (in squirrel-cage rotors) reduce friction and maintenance, making them suitable for appliances like fans, pumps, and HVAC systems.

 

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