YVF2 Variable Frequency Motor

YVF2 Variable Frequency Motor Manufacturer

YVF2 Variable Frequency Motor is designed for inverter-driven systems. It delivers stable torque, wide speed range, and reliable operation under variable frequency conditions.

600rpm Ac Motor
The 600rpm AC Motor is a low-speed three-phase asynchronous motor (YVF2 series). It achieves stable low-speed output through frequency conversion control and is mainly used in equipment that...
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Variable Torque Three-phase Motor
A Variable Torque Three-phase Motor is a three-phase variable speed motor suitable for variable torque loads, which achieves speed matching with load through frequency conversion speed regulation.
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Three-phase Motor with Integrated VFD
A three-phase motor with integrated VFD is a drive device that integrates a three-phase asynchronous motor with a frequency converter (VFD).
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Key Features

Robust Low-Frequency Performance
Utilizing an IC416 forced-cooling structure, the motor ensures that temperature rise remains controllable even during low-frequency operation (5–20 Hz), thereby extending bearing service life.

Standardized Mounting Dimensions
The mounting dimensions comply with IEC standards, allowing for direct replacement of YE2, Y2, and YVF series motors and effectively reducing retrofit costs.

Customization Options

Electrical Parameter Customization
• Customizable for special voltages such as 220V, 400V, 440V, 660V, 690V, etc.

• Supports 50Hz / 60Hz or dual-frequency motors.

• Selectable insulation classes (Class F / H) to meet the demands of high-temperature or heavy-load operating conditions.

• Selectable protection ratings (IP55 / IP56 / IP65) suitable for dry, humid, or corrosive environments.

Mechanical Structure Customization
• Customizable options include extended shafts, double shaft extensions, and non-standard shaft diameters.

• Selectable flange types: B5, B35, or specialized flanges.

Cooling Method & Auxiliary Fan Customization
• Standard configuration: IC416 (Independent Auxiliary Fan Forced Cooling).

• Customizable options for high-efficiency, energy-saving, and low-noise auxiliary fans.

Bearing & Insulation Solution Customization
• Choice of premium bearings from NSK or SKF.

• Selectable options include insulated bearings or shaft current bypass devices.

• Customizable heavy-duty bearings available for applications involving frequent start-stop cycles.

Packaging & Delivery

Export-Grade Packaging (Moisture-proof / Shock-proof / Rust-proof)
• Standard Export Wooden Crates (Thickened Panels + Tower-style Structure)

• Internal Protection: Moisture-proof Film, Desiccants, and Anti-rust Oil

• Critical Component Protection: Protective Coating Applied to Key Areas (Shaft Extensions, Terminal Boxes, Cable Entries)

Packaging Methods & Shipping Solutions
• Individual Unit Packaging: Single Wooden Crate

• Multiple Unit Packaging: Side-by-Side Palletizing (Freight Cost Savings)

• Shipping Options: Full Container Load (FCL) / Less than Container Load (LCL)

• Documentation Provided: Packing Photos, Packing Lists, Weight & Dimension Charts

Lead Time Management (Delivery Schedule)
• Standard Power Ratings (≤ 55 kW): In-Stock / Ready for Immediate Shipment

• 75–315 kW Power Ratings: 7–15 Days Lead Time

• Custom Models: 15–25 Days Lead Time

Export Documentation & Certification Support
Available Certifications & Documents:
• CE / ISO / CCC

• Test Reports (Temperature Rise, Insulation, Vibration)

• Material Test Certificates (MTC)

• Certificates of Origin (CO)

• Commercial Inspection / Third-Party Inspection (SGS / BV)

Variable Torque Three-phase Motor manufacturers

FAQ

Q: What is the primary difference between a YVF2 motor and a standard Y2 motor?

A: The YVF2 is specifically designed to operate with a frequency inverter (VFD). Unlike standard motors, it features enhanced insulation to handle high-frequency voltage spikes and an independent cooling fan that runs at a constant speed, ensuring the motor doesn't overheat when running at low RPMs.

Q: What type of cooling system is used, and why does it matter?

A: YVF2 motors use IC416 cooling (forced ventilation via an independent axial fan). This is a critical selling point because standard self-cooling fans (IC411) lose efficiency as the motor slows down. Forced ventilation allows the motor to run indefinitely at low speeds without burning out.

Q: What insulation class and protection rating are standard?

A: Standard YVF2 motors usually come with Class F insulation (with a Class B temperature rise limit for extra safety margin) and an IP54 or IP55 protection rating. This ensures the motor is dust-proof and resistant to water splashes, making it suitable for industrial environments.

Q: Can the YVF2 motor be equipped with an encoder for closed-loop control?

A: Yes. Most manufacturers offer a "YVF2+Encoder" configuration. For procurement, if your application requires high precision (like CNC machines or elevators), you should specify the need for a shaft-end encoder interface during the RFQ process.

Q: How does the YVF2 motor handle "Harmonic Heating"?

A: VFDs produce harmonic currents that increase motor temperature. YVF2 motors use specialized electromagnetic designs and high-permeability silicon steel sheets to minimize eddy current losses and vibration, extending the motor's lifespan compared to a standard motor forced into VFD service.

Q: What are the installation dimensions? Are they interchangeable with standard motors?

A: Yes, YVF2 motors follow IEC standards. The mounting dimensions (foot-mounted B3, flange-mounted B5, etc.) are generally identical to the Y2/YE2/YE3 series. This makes them an easy "drop-in" replacement for upgrading existing systems to variable speed.

Q: What is the typical energy efficiency rating?

A: While YVF2 focuses on speed regulation, most modern units are designed to meet IE2 or IE3 efficiency levels. When purchasing, check if the motor complies with your local energy regulations (like CE for Europe or MEPS for other regions) to ensure long-term electricity savings.

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