VFD Compatible VHS Motor

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Vertical hollow shaft pump motor using VFD for speed control

Our VFD compatible VHS motors offer advantages over traditional motors, including adjustable speed, energy savings, and increased capacity. They are suitable for pumps, ventilation equipment, supercharging equipment, small hydro generators, and thrusters. Additionally, VFD motors have superior insulation performance compared to standard motors.

Frequency: 30-80Hz
Service factor: 1.15
Max. operating temperature: 55℃
Altitude: 2000m
Protection degree: WP1, TEFC
Power: 7.5HP-600HP, 700HP-2000HP
Speed: 200RPM-3600RPM
Frequency: 10-100Hz
Housing material: cast steel
220-230V space heater
NEMA design, PWS, special balancing
Equipped with anti-reverse ratchet
Ideal for variable frequency starting at 340-415/690V

Features

High efficiency and energy savings

Hydraulic optimization: Combines efficient motor and hydraulic modeling to minimize water flow friction, boosting pumping efficiency and reducing energy use by 20–30%.
Low operating costs: Pairs with energy-saving control systems, significantly cutting electricity expenses over long-term use.

Compact and lightweight structure

Integrated design: Pump shaft inserts directly into the motor’s shaft hole, creating a compact, lightweight unit suited for 20–300-meter deep wells.
Simplified installation: Operates submerged without complex pump houses, reducing footprint and construction costs.

Adaptability and reliability

Multi-scenario versatility: Handles clean water, sewage, seawater, and corrosive liquids, with a head range of 10–900 meters.
Extreme environment durability: High-temperature heat dissipation design ensures stable operation under high heat and pressure.

Operational stability

Low-vibration design: Optimized drive shaft and bearing structure reduces mechanical wear, extending service life.
Interference resistance: Cast steel housing and oil-lubricated motor design resist corrosion and sand, ensuring long-term stability.

Maintenance convenience

Modular structure: Key components like bearings and impellers allow quick replacement, minimizing downtime.
Self-lubricating system: Oil cup or clean-water pre-lubrication reduces maintenance frequency.

Eco-friendly and low noise

Green operation: Emits no pollutants, meeting environmental standards.
Quiet technology: Optimized electromagnetic design keeps operating noise below industry averages.

Customization capability

Flexible material options: Offers cast iron, stainless steel, or copper outlets to suit specific water quality needs.
High-head customization: Adjusts pump body length for well depth, with single-stage heads ranging from meters to hundreds of meters.

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