Wound Rotor Induction Motors – Master Line
A large blue machine with a round shaft Description automatically generated

The Master line motors stand out for the flexibility of their electrical and mechanical design, resulting in a high-performance product, complying with the international standards and aligned with the global trends.

Their design is easily customized so as to make them interchangeable with already existing motors, cutting down operating costs with downtime for motor replacement.

Wound rotor induction motors are recommended for reduction of the impact if inrush current in relation to the electrical system and driving loads with high inertia or high resistant torque.

Technical Features:

Output

:

up to 50.000 kW

Poles

:

2 to 14

Frame

:

355 up to 1.600

Voltage

:

up to 13.800 V

Frequency

:

50 or 60 Hz

Enclosure

:

IC611, IC616, IC666, IC81W, IC86W

Insulation Class

:

F

Temperature Rise

:

B (80K)

Ambient Temperature

:

-20˚ C to +40˚ C at 1000m.a.s.l.

Frame Material

:

Welded Steel Plate or Cast iron

Starting Method

:

Liquid Starter

Thermal Protection

:

RTD PT-100 – two per phase

 

:

RTD PT-100 – one per bearing

Anti Condensation

:

Space Heater

Rotor

:

Wound with collector ring

Construction

:

Horizontal / Vertical

Standard

:

IEC / NEMA / NBR

Bearing

:

Antifriction or sleeve bearing

Brush holder

:

Fixed brush

Manufacturing Site

:

WEG Energy (Brazil, India, China, Portugal)

Other features

:

On request

Advantages:

Motorized brush lifting implies important advantages in the performance of the motor throughout the years:

  • Avoids constant and premature wearing of the brushes and collector rings
  • Reduce the stop for maintenance ad replacement of brushes
  • Avoids the accumulation of dust on the brushes inside the brush compartment to keeping the insulation level of the rotor high
  • Increase the useful life of the brushes, collector ring and consequently that of the motor

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