The motor adopts wound rotor, when the moto starts, the series connected resistance in rotor loop can reduce the starting current, increase the starting torque and power factor.
■ Frame material: Fabrice steel plate
■ Frame size: 315-1000
■ Voltage: 3.3kV-11kV；
■ Rated power: up to 15000kW
■ Optimized compact style construction.
■ Standard mounting construction according to IEC 60034-7: IM B3, IM B35 etc.
■ All motors are designed to IP55 degree of protection (IEC 60034-5), or lower protection IP23, IP24 that has better cooling are available by customers’ request.
■ Rolling bearings with re-greasing devices or sleeve bearing
■ Insulation system is designed for temperature class 155 (F). At rated output with line-fed operation, the motors can be used in temperature class 130 (B). Class 180 (H) are available by request.
■ Total enclosed air-air cooling (cooling method IC 611, IC616, IC666 according to IEC 60034-6) as standard, Air-water cooling (IC81W) is optional.
■ The slip ring part is arranged at NDE side out of motor’s house, with protection IP23 or IP44, or located inside motor’s house with same protection grade as motor.