5000kW HV Small AC Induction Motor

AIMIN ELECTRICS CO., LTD. is one of the leading manufacturers and suppliers of 5000kw hv small ac induction motor in China. With abundant experience, we are committed to providing high quality customized products with competitive price. We warmly welcome you to buy bulk premium products made in China here and get quotation from our factory.

Brief Introduction

Engineered for variable-frequency drive (VFD) compatibility, the YRKK-800-4 overcomes limitations of standard small AC induction motor designs under non-sinusoidal power. Its electromagnetic architecture minimizes stator/rotor resistance to reduce fundamental copper losses, counteracting harmonic-induced heating from PWM inverters-which typically elevate temperatures by 10%-20%.

Critical enhancements include reinforced F-class (or higher) insulation systems resistant to repetitive voltage spikes and steep dv/dt stresses inherent to carrier frequencies (kHz range). Structural adaptations address VFD-specific challenges: isolated cooling fans ensure consistent airflow across speed ranges, suppressing hotspots during low-speed operation. This small AC induction motor strategically increases inductance to dampen high-order current harmonics without compromising impedance matching throughout the torque-speed curve. The rotor design mitigates skin effect losses near synchronous speeds, while optimized slot-pairing reduces stray load losses exacerbated by waveform distortion.

Unlike conventional units vulnerable to accelerated insulation aging under PWM voltage surges, the YRKK-800 maintains operational integrity through rigorous dielectric protection at turn-to-turn and ground insulation levels. Its holistic design ensures sustained efficiency and thermal stability, making this small AC induction motor ideal for precision speed-controlled applications demanding reliability under harmonic-rich power conditions.

Main Technical Parameters

Why choose AIMIN Brand YRKK series of Motor?

YRKK IP55 Slip Ring HV Motor is a product that has been proven in the market for many years, it is compact and lightweight. Because the vibration is small and the noise is low, it will not have a huge impact on the working environment. And its high efficiency and energy-saving features can also further save costs. Our motors have a variety of installation methods to meet the different needs of customers and the environmental requirements of product use. In addition, our products use high-strength bodies, which are not only tough but also impact-resistant. Anti-rust coating on the surface can further extend the service life.

Production Details

Frame

• Box structure frame, easy for maintaining and installation

• Flexible for special installation dimensions

• Customizable outlook and dimensions

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Stator

• 99.9% pure copper winding for stator to ensure the output power and efficiency

• Excellent insulation system with 5 more processing flows

• All the windings are fitted in by handwork to ensure all slots are full and avoid any possible winding flaw.

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Rotor

• Aluminum casting rotor with high quality silicon steel rotor core to assure induction efficiency

• Copper bar rotor is available for YKK motor

• Well and precisely machined shafts with good capacity of strength and toughness

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Testing

• All motors must pass the piece testing before painting and packaging

• Type tests will be regularly performed for each series, more often for new developed series and variants.

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Package and delivery

• All motors will be packaged well before delivery

• Plastic cover inside, vacuum tin foil outer and then solid wood box

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Applications

YRKK IP55 Slip Ring HV Motor is mainly applied in general machinery equipment or other similar machinery equipment, such as rolling mill, winch, blowers, water pump, mill, crusher, grinder applied in petroleum, chemical engineering, coal, power station, metallurgical, textile, medicine, food processing industries.

Cement

Power Station

Water

Mining

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