AC Induction Motor 80Y 80mm Capacitor run- Suzhou Retek Electric Technology Co., Ltd.

The 80Y Capacitor-Run AC Induction Motor: Efficiency and Smooth Running

The 80Y (80mm frame size) AC Induction Motor, featuring a Capacitor-Run (Permanent Split Capacitor - PSC) configuration, is designed for high running efficiency and very quiet operation.

In this design, a single capacitor is wired permanently in series with the auxiliary winding. This permanently energized capacitor maintains a phase shift, resulting in a more truly two-phase field during continuous operation. This feature significantly improves the motor's power factor and efficiency, reduces energy consumption, and minimizes noise and vibration by ensuring smoother torque delivery compared to motors that rely solely on the main winding for running. They are typically used for loads with low starting torque requirements.

Introduction

Detailed Parameters and Performance Data

RETEK: Quiet, Efficient, and Continuous Operation

Suzhou Retek Electric Technology Co., Ltd. supplies the 80Y PSC motor for applications where energy efficiency and low noise are paramount, such as high-end HVAC and precision air movement systems. Our focus is on precision winding and high-quality film capacitors to ensure the permanent phase shift is accurate, maximizing the motor's running performance and minimizing power loss over a long lifespan. The 80Y is often the preferred choice when the motor runs for many hours continuously.

Applications

Advanced Technology Highlights

Efficiency-Driven Applications for 80Y AC Induction Motors

Continuous Air Movement: Motors for direct-drive fans, blowers, and pumps in high-efficiency HVAC and clean room systems. Challenge: Optimizing continuous running efficiency and quiet operation.
Continuous Conveyor Systems: Light-to-medium load conveyors requiring smooth, fixed-speed movement.
Refrigeration Systems: Compressor and condenser fan drives in commercial units.
Medical Stirrers and Agitators: Requiring low vibration and quiet, fixed-speed performance.

Technical Specifications

Industrial & Commercial Usage

Technical Parameters (80Y AC Induction)

Parameter	Range / Typical Value	Unit
Frame Size (NEMA)	80Y	Standard
Starting Torque Ratio	Lower (50-100% of Rated)	Factor
Output Power	300 to 750	W
Starting Method	Capacitor-Run (PSC)	Type
Efficiency Class	High, Optimized for Run	Rating

Additional Information

Supplementary Details & Notes

Integrated Production and Customization Workflow

Production focuses on achieving precise phase winding balance and minimizing stray magnetic fields for low noise output. The motor is tested for power factor and efficiency at full load.

Dual-Voltage Option: Offering windings that can be easily reconfigured (via terminal connections) to operate on either 110VAC or 220VAC.
IP Rating Upgrades: Providing enhanced sealing and protective coatings for use in outdoor or high-humidity environments (e.g., cooling towers).
Fan Mounting: Integrating factory-installed forced-air cooling fans (TEFC motors) to maximize continuous output power in compact enclosures.
Shaft Material: Customizing the shaft material to stainless steel for applications involving water or mild corrosive agents.

Service & Support

Technical Advantages and Core Design Features

High Running Efficiency: Continuous phase shift minimizes energy loss, making it highly suitable for applications with long continuous running times.
Excellent Noise and Vibration Characteristics: The balanced torque delivery from the permanent phase shift results in smoother operation and lower acoustic noise.
Simplicity and Reliability: Eliminates the need for a centrifugal switch, removing a common point of failure and maintenance.
Improved Power Factor: The run capacitor acts to correct the power factor of the motor, reducing the reactive power draw from the line.
Compact Control: Requires minimal external circuitry for speed and direction control compared to three-phase or variable-speed drives.

Frequently Asked Questions

Common Inquiries Regarding 80Y AC Induction Motors

Q: Why does the 80Y PSC motor have lower starting torque?
A: Because the run capacitor is optimized for continuous efficiency, its value is typically smaller than a dedicated start capacitor. This smaller capacitance provides just enough starting torque for fan and pump loads (which typically start easily) but is insufficient for high-inertia or high-friction loads.

Q: Can the 80Y PSC motor be used with a Variable Frequency Drive (VFD)?
A: While VFDs are primarily designed for three-phase motors, single-phase PSC motors can sometimes be operated with specialized single-phase VFDs, but performance (especially noise) may be compromised. Replacing the motor with a three-phase version is often simpler if variable speed is essential.

Q: What happens if the run capacitor fails?
A: The motor will either fail to start (resulting in a humming sound and potential thermal trip) or, if it manages to start (by hand-turning), it will run poorly with reduced torque, increased slip, and high heat generation, as it is effectively running as a single-phase reluctance motor.

Resources

Advanced Material Selection Guide

Run Capacitor: High-reliability metallized polypropylene film capacitors (MPP) are used for continuous AC voltage application, ensuring stability and long life.

Stator Winding: Uses high-thermal conductivity varnish and Class F or H insulation for longevity under continuous, high-duty-cycle operation.

Housing: Precision-machined cast aluminum alloy housing for superior thermal dissipation and low running vibration.

About Suzhou Retek Electric Technology Co., Ltd.

Unlike other motor suppliers, Retek engineering system prevents the selling of our motors and components by catalogue as every model is customized for our customers. The customers are assured that every component they receive from Retek is designed with their exact specifications in mind. Our total solutions are a combination of our innovation and a close working partnership with our customers and suppliers.

As China AC Induction Motor 80Y 80mm Capacitor run Manufacturers and Wholesale AC Induction Motor 80Y 80mm Capacitor run OEM/ODM Suppliers, Retek business consists of three platforms: Motors, Die-Casting and CNC manufacturing and wire harness. Retek products are widely supplied for residential fans, vents, boats, airplanes, medical facilities, laboratory facilities, trucks and other automotive machines.

Welcome to send us an RFQ, it is believed you will get the best cost-effective products and services here!

Customized Solutions

Quality Assurance

Global Export

Suzhou Retek Electric Technology Co., Ltd.

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