Wound Rotor Motors

Key Features
TECO Wound Rotor Motors are custom designed to each customer’s specific application. Because of their design versatility and high operating efficiencies, TECO Wound Rotor Motors are the logical choice for a multitude of industries including mining, pulp and paper, electric utilities, sugar, water & waste, marine and steel.

TECO Wound Rotor Motors are built to last. Great design versatility to meet mechanical, electrical design and also be a drop and replacement machine for any existing application. Crown Series complies with all relevant international standards and incorporate the latest advances in insulation materials.

From simple to complex designs, TECO motors combine cost-efficient standardized designs and short lead times with safety, productivity, energy efficiency and reliability. TECO Wound Rotor Motors minimize mechanical stress at starting, increasing the lifetime of your driven equipment.

Product Overview

250 up to 15,000kW
Number of Poles: 
4 to 12
Cooling method:
Degree of Protection:
IP54 to IP65
355 up to 1250
Ambient temperature: 
40 °C
Elevation:1000m above sea level
Service factor:
1.0 @ 40 deg C ambient
Up to 13,800V
Insulation Class:
“F” insulation (ΔT = 80K)
Continuous duty: 
Thermal protection:
As per customer specification
Anti-friction Bearings , Sleeve bearings
Frame Material: 
Fabricated Steeel
As per customer specification

Options Available

  • Altitude above 1000 m (on request)
  • Aluminum, copper or brass rotor
  • Ambient temperature above 40 °C
  • Base: rail, sliding base, extended feet, rebuilt feet, anchorage plate
  • Bearing thermometer with gauge with/without contacts
  • Brush Lifting System
  • Cable gland in the terminal box entrance
  • Class of insulation: H
  • Cooling: Forced ventilated, Air-to-water heat exchanger
  • CT for differential and integral protection
  • Electrically insulated bearing
  • Encoder
  • Grounding brush on drive end bearing
  • Independent hydraulic oil circulation system for sleeve bearing
  • Mountings: Vertical, Horizontal, Foot and Flange, Flange
  • NEMA Standard
  • Noise suppressor in the air inlet and outlet
  • Non-reversion ratchet
  • Multiple accessory terminal boxes
  • Power factor correction capacitors
  • Protection against voltage surge: Lighting arrestors and Capacitors
  • Service Factor: 1.15
  • Shaft: Special dimensions, double shaft end, tapered, hollow, special steel
  • Signal transducer
  • Sleeve bearing
  • Special balance
  • Special bearing (overdesigned) for axial or radial thrust
  • Special painting
  • Steel welded terminal box in different sizes, based on internal available space
  • Temperature detector: Thermistor (PTC or NTC)
  • Temperature detector: Thermostat (Bimetallic)
  • Two energized power terminal boxes
  • Vibration detector