380v~11kv YR/YRKK series high voltage wound rotor slip ring motor
YR/YRKK series medium-size high -voltage wound-rotor slip-ring asynchronous motor is used to drive windlass, press machinery, crusher, stock-removing, drawbenchs and other general-purpose machinery. They can serve as the prime movers in steel, mines, mechanical industries, blower, compressor, transportation, building materials industry, etc field.

* Advantages:
High efficiency,
Energy-saving,
Low Noise,
Low vibration,
High start torque,
Low start current,
Light weight and reliable performance.
Easy for installation and maintenance.

* Technical parameter:
Power range:100kw-10000kw
Frame Size:355-1000mm
Rated Voltage: 380v~760v,  3.3KV, 6.6KV, 10KV, 11KV
Pole: 2, 4, 6, 8, 10
Speed: 3000rpm, 1500rpm, 1000rpm, 750rpm, 600rpm --for 50Hz power supply
            3600rpm, 1800rpm, 1200rpm, 600rpm, 480rpm -- for 60Hz power supply
Protection Class: IP23, IP44, IP54, IP55, IP56
Cooling type: IC01, IC611, C616

* Operation conditions:
Altitude:  =< 1000m;
Ambient temperature: -15- 40ºC
Input power frequency: 50Hz±l%;
Voltage: ±5% rated voltage;
Duty: S1( continuous).  

Comparison of different series High Voltage motors 

No.	Squirrel-cage motor	Y	YKK	YKS	Y2
	Slip ring motor	YR	YRKK	YRKS	/
1	Structure	Box-type construction, made up of steel plates welded with each other			Compact struction
2	Cooling method	IC01 or (IC11, IC21, IC31)	IC611 or IC616	IC81W	IC411
3		Natural ventilation, with top mounted protection cover	With top mounted air-air cooler	With top mounted air-water cooler
4	Protection type	IP23	IP44 or IP54	IP44 or IP54	IP54
5	Insulation	F
6	Mounting arrangement	IMB3
7	Voltage available	3kv, 3.3kv;      6kv, 6.6kv;      10kv, 11kv
8	Frequency available	50Hz , 60Hz

* Packing
Plywood cases(suitable for sea shippment)