27kW Motor DC 220 Volt

AIMIN ELECTRICS CO., LTD. is one of the leading manufacturers and suppliers of 27kw motor dc 220 volt 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

he Z4-160-31 motor DC 220 volt employs precision-engineered commutation with an odd-numbered commutator bar configuration specifically designed for wave-winding compatibility. Its 31-segment copper commutator ensures optimal brush positioning aligned with main pole axes, achieving maximum EMF generation while minimizing short-circuit losses.

This motor DC 220 volt features single-turn armature coils vacuum-impregnated with Class H insulation, providing enhanced resistance to operational heating and mechanical stress. Critical design elements include:

Mica insulation between commutator segments preventing flashover

Precisely ground commutator surface maintaining 0.02mm runout tolerance

Carbon brushes with constant pressure springs for stable contact

The wave-wound armature delivers higher resistance (ideal for permanent magnet excitation), while the odd bar count prevents circuit closure failures during assembly. Operational parameters include:
Commutation Efficiency: >88% at full load (220V DC input)
Thermal Handling: 155°C insulation withstands 25% overload for 15 minutes
Maintenance Intervals: 1000-hour brush inspection, 5000-hour commutator undercutting

This motor DC 220 volt excels in industrial drives requiring precise speed control, particularly where voltage stability fluctuates. Its robust construction minimizes bar-to-bar voltage gradients, reducing arcing risks in high-ambient environments.

Main Technical Parameters

Production Details

Frame

• Compact and robust iron casting frame

• Universal IEC and NEMA installation dimensions available

• Customizable outlook and dimensions

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Armature

• 99.9% pure copper bar for armature to ensure the output power and efficiency

• Excellent insulation system with 5 more processing flows

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

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Winding:

• All windings are made of pure copper to assure induction efficiency

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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

Cement

Power Station

Pump

Sugar

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