Product Description

YR, YRKK and YRKS series three-phase high voltage asynchronous Slip ring AC Motors (Wound Rotor Motors) can be used to drive machine tool, compressor, water pump, ventilator, conveyor, crushing mill, It is also used as the primitive for the mechanical industry. petroleum industry，power plant and so on

Outline mounting dimensions of the motors comply with IEC 72 Standard.

Performances and technical requirements of the motors can be checked in accordance with IEC 34 Standard of the international Electro technical Commission

Frame sizes: 355-1000

Rated output: 185-10000 kW

Insulation class: F or H

Rated frequency (speed):

50Hz (1500/1000/750/600/500 r/min)

60Hz (1800/1200/900/720/600 r/min)

No. of poles: 4P, 6P, 8P, 10P, 12P

Material of frame/housing: Fabricated in welded steel

Service Factor: 1.00

Mounting methods: Horizontal foot mounted IM1001 (B3)

Insulation Class: F (155℃)

Temp. Rising: ΔT=80°K

Bearing type: Roller/Ball bearing

Working Duty: S1 (Continuous)

Ambient Temperature: -20°C ~ 40°C

Altitude: ≦1000 m.a.s.l

Ambient humidity: ≦90%

Protection Class:IP23, IP44, IP54, IP55

Cooling: IC611 Self-ventilated with air-to-air heat exchanger, heat exchanger on top of motor

Lubricating: Grease lubricated bearings

Grounding lug: On the frame and terminal box

Temperature detector: PT100

Material of nameplate: Stainless steel

Metric Threaded Cable Entries on the Terminal Box

With slip rings

Rotor terminal box separated from stator terminal box

Compartment of slip rings and brushes separated from stator and rotor, behind the non-drive end bearing

Grounding brush on the drive end shaft for frames 450 and up

Customized frame size/power

Shaft: Special dimensions, double shaft end, tapered, hollow as per request

VFD application

Service Factor: 1.15 or above

Insulation class: H (180°C)

Ambient temperature: Above 40 °C (on request)

Altitude: ＞1000M (on request)

Mountings: B5, V1

Space heaters

Thermostats RTD

Thermal protection PTC

Bearing: SKF, FAG, NSK, C&U brand

NDE or both DE and NDE bearings are electrically insulated

Grounding brush on drive end bearing for all frames when driven by frequency converter (except for classified area)

Grounding brush on drive end bearing for all frames when driven by frequency converter (except for classified area)

Special Windings, Voltage, Frequency

Cooling: IC616 Forced ventilation in the air internal and external circuit, air-to-air heat exchanger