Medium and High Voltage Electric Motor for Waste Water Plant

• Customization: Available
• Application: Industrial
• Speed: High Speed
• Model NO.: YKK400-4 250KW
• Number of Stator: Three-Phase
• Function: Driving, Control, High Voltage Motor
• Casing Protection: Protection Type
• Number of Poles: 2
• Starting Mode: Direct on-line Starting
• Certification: ISO9001, CCC
• Brand: Wannan Motor
• Frame Size: 355mm~1000mm
• Output: 185kw~8000kw
• Voltage: 6kv, 10kv or Customized
• Frequency: 50Hz, 60Hz
• Efficiency: Ie1, Ie2, Ie3, Ie4
• Poles: 2.4.6.8.10.12
• Duty: S1
• Insulation: F, or H
• Cooling: IC611
• Protection Degree: IP55
• Terminal: Right
• Frame: Cast Iron, Welded Steel
• Ambient Temperature: 40°c, 1000 M. a.S.L
• Rotor: Squirrel Cage
• Bearing: Rolling Bearing or Sleeve Bearing
• Transport Package: Carton / Wooden Case/ Pallet
• Specification: 4804*3020**3650mm
• Trademark: WNM
• Origin: Anhui, China
• HS Code: 8501530000
• Production Capacity: 300PCS/Month

Product Description

Squirrel Cage Rotor Medium Voltage AC Induction Motor High Voltage Motor Asynchronous Motors
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General description
Y,YKS,YKK Series high voltage three-phase asynchronous motors (Frame No.355-1000) mounting dimensions and tolerance are coincident with China standard GB755<Rotating Electrical Machines-Rating and Performance>, International Electrical committee standard IEC34-1<Rotating Electrical Machines-Rating and Performance>and machinery-profession standards JB/T/7593 JB/T10315.1 etc.
The grade of protection for outer cover is in accordance with GB4942 and IEC34-5 <Rotating electrical machines- enclosure ingress protection>standard, there are four grades IP23, IPW24, IP44 and IP54. The IP23 grade can update to IP44(Tube Ventilation) according the customer's request. Also provide other protective grade specially.
The cooling method is according to the GB/T1993 and IEC34-6 standard <Cooling method of Rotating Electrical Machines>. There are three kinds of cooling method IC01,IC611 and IC81W. Also we can provide other cooling method according the customer request.
The structure and mounting model is IMB3 (horizontal foot mounted) is in accordance with GB997 and IEC34-7 <Classification of types of construction and mounting arrangements for rotating electrical machines>(IM code) standards.

Structure specification       
The frame is made of steel plate being welded up into form of square tank shape with light weight and firm rigidity .
Stator is a outer-press-assembly structure, the stator winding is a F grade insulation, at the winding's end part being firm banded.
The whole stator has been treated with VPI technology to make stator with a robust body and good electrical and moisture resistance.
The rotor can be developed into two modes casting aluminum and copper bar mode. Casting aluminum rotor is casted with pure aluminum. Copper-bar rotor is made by copper bars wedges in the slots, then at the bar's each end to be soldered with a end-ring by reliable soldering technology. At the end of process, it must be immersed in lacquer once to strengthen the integration.
Either rolling or sleeve bearing may be adopted, the protection grade of bearing is IP54. For the rolling bearings mode, the rolling bearing must be lubricated with grease, and the motor must have oil-inlet and oil-exhaust devices, motor can also be non-stop oil injection. For the sleeve bearing mode, the oil supply system for the bearing must be prepared by customers. But the efficiency for sleeve bearing motor will be permitted a little decrease with respect of the technical data table and that is permissible in according with the relative stipulates of the standard issued by Ministry of Machine Building.
The main terminal box is designed by Germany DIN standard. The grade of protection is IP54. The terminal box for standard motor is located at the right side (Viewed from axle extension). Also can be mounted at left side according customer's requirement. The outlet hole of terminal box can face up, down, right and left four directions. There is a independent grounded device in the main terminal box.
Normally the motors axle is single extension mode, the key is a planar key mode. We also can provide double shaft extension mode according customer's requirement.
We can install temperature measurements in stator and bearings. And install inner space heaters for moisture protecting during stoppage.

The Implication of the symbol
By GB4831 stipulation, the motor's type is composed of product symbol and specification symbol in sequence.
The product symbol is demons treated by motor series symbols, its implication is as following:
   Y---------squirrel-cage rotor three-phase asynchronous motor.
   YKS------Enclosed squirrel-cage rotor three-phase asynchronous motor with air-water cooler
   YKK------ Enclosed squirrel-cage rotor three-phase asynchronous motor with air-air cooler
   The specification symbol is composed of centre height, iron-core length number and number of poles.

Details
YKK series:

• Frame sizes: 355-1000                   
• Rated output: 185-8000kW
• Insulation class: F                         
• Degree of protection: IP54 /IP55
• Enclosure: IC611                           
• Mounting: Horizontal
• Rotor: Squirrel cage                     
• Bearing: Rolling bearing or sleeve bearing
• Voltage: 6kV, 10kV

Features 
This motor can be processed by the anticorrosion anti-mould-proof process to derive outdoor (W) and outdoor corrosion protection (WF) motors. High efficiency, energy saving, low vibration, small size, light weight, reliable performance and easy installation and maintenance. The frame is made of steel plate being welded up into form of square tank shape with light weight and firm rigidity. Stator is an outer-press-assembly structure. The stator winding is F grade insulation at the winding's end part being firm banded. The whole stator has been treated with VPI technology to make stator with a robust body and good electric and moisture proof. The rotor can be developed into casting aluminum rotor or copper bar rotor. The copper cage rotor guide bar and end ring are welded by intermediate frequency, and the copper guide bar diameter groove is treated with solid technology to make it have high reliability.

Applications 
Ideal for driving all kinds of general machinery, such as water pump, fan, compressor, crusher and etc.

Performance Data                                                        
YKK(IP44,IP54)series motor model composition (6kV)

Frame		Synchronous rotation speed r/min
		3000	1500	1000	750	600	500
		Output  kW
355	1	220	185	-	-	-	-
	2	250	200
	3	280	220
	4	315	250
400	1	-	-	185
	2	355	280	200
	3	400	315	220
	4	450	355	250	185
	5	500	400	280	200
	6	-	450	315	220
450	1	-	-	-	-	185
	2	560	500	355	250	200
	3	630	560	400	280	220
	4	710	630	450	315	250	185
	5	800	710	500	355	280	200
500	1	900	800	560	400	315	220
	2	1000	900	630	450	355	250
	3	1120	1000	710	500	400	280
	4	1250	1120	800	560	450	315
560	1	1400	1250	900	630	500	355
	2	1600	1400	1000	710	560	400
	3	1800	1600	1120	800	630	450
	4	-	-	-	-	710	500
630	1	2000	1800	1250	900	800	560
	2	2240	2000	1400	100	900	630
	3	2500	2240	1600	1120	1000	710
	4	-	-	-	1250	1120	800

Type	Output (kW)	Stator current (A)	RPM (r/min)	Eff. (%)	P.F CosΦ	Tm Tn	Tst Tn	Ist In	Rotational inertia		Weight (Kg)
									Motor Jm (kg.m)	Load J (kg.m)
YKK3551-2 YKK3552-2 YKK3553-2 YKK3554-2	220 250 280 315	26.9 30.6 34.2 38.3	2990 2990 2990 2990	92.5 92.6 92.8 93.1	0.85 0.85 0.85 0.85	1.8 1.8 1.8 1.8	0.6 0.6 0.6 0.6	7 7 7 7	2.6 2.8 3.0 3.2	20 22 24 27	1990 2040 2080 2170
YKK4002-2 YKK4003-2 YKK4004-2 YKK4005-2	355 400 450 500	42.5 47.8 53.6 59.4	2990 2990 2990 2990	93.4 93.7 94.0 94.2	0.86 0.86 0.86 0.86	1.8 1.8 1.8 1.8	0.6 0.6 0.6 0.6	7 7 7 7	4.8 5.2 5.6 6.0	30 33 36 39	2540 2630 2730 2860
YKK4502-2 YKK4503-2 YKK4504-2 YKK4505-2	560 630 710 800	66.4 73.7 82.9 93.3	2990 2990 2990 2990	94.4 94.6 94.7 94.8	0.86 0.87 0.87 0.87	1.8 1.8 1.8 1.8	0.6 0.6 0.6 0.6	7 7 7 7	7.4 7.8 8.2 8.6	43 51 55 57	3420 3480 3620 3750
YKK5001-2 YKK5002-2 YKK5003-2 YKK5004-2	900 1000 1120 1250	104.8 116.3 130.1 145.1	2990 2990 2990 2990	95.0 95.1 95.2 95.3	0.87 0.87 0.87 0.87	1.8 1.8 1.8 1.8	0.6 0.6 0.6 0.6	7 7 7 7	10.2 10.8 11.2 11.8	58 67 73 80	4320 4440 4570 4710
YKK5601-2 YKK5602-2 YKK5603-2	1400 1600 1800	160.5 183.2 205.9	2990 2990 2990	95.4 95.5 95.6	0.88 0.88 0.88	1.8 1.8 1.8	0.6 0.6 0.6	7 7 7	20.0 23.0 26.0	100.0 102.0 104.0	5890 6100 6300
YKK6301-2 YKK6302-2 YKK6303-2	2000 2240 2500	228.5 255.7 285.1	2900 2990 2990	95.7 95.8 95.9	0.88 0.88 0.88	1.8 1.8 1.8	0.6 0.6 0.6	7 7 7	35.0 40.0 45.0	110.0 115.0 120.0	8600 9100 9450
YKK3551-4 YKK3552-4 YKK3553-4 YKK3554-4	185 200 220 250	22.6 24.4 26.8 30.4	1490 1490 1490 1490	92.8 92.9 93.0 93.1	0.85 0.85 0.85 0.85	1.8 1.8 1.8 1.8	0.7 0.7 0.7 0.7	6.5 6.5 6.5 6.5	3 3 4 4	78 78 88 97	1880 1910 1950 1990
YKK4002-4 YKK4003-4 YKK4004-4 YKK4005-4 YKK4006-4	280 315 355 400 450	33.6 37.8 42.5 47.8 53.6	1490 1490 1490 1490 1490	93.2 93.3 93.5 93.7 93.9	0.86 0.86 0.86 0.86 0.86	1.8 1.8 1.8 1.8 1.8	0.7 0.7 0.7 0.7 0.7	6.5 6.5 6.5 6.5 6.5	6 6 6 7 7	108 120 133 147 161	2430 2490 2560 2680 2770
YKK4502-4 YKK4503-4 YKK4504-4 YKK4505-4	500 560 630 710	59.5 66.5 74.7 84.0	1490 1490 1490 1490	94.0 94.2 94.4 94.6	0.86 0.86 0.86 0.86	1.8 1.8 1.8 1.8	0.7 0.7 0.7 0.7	6.5 6.5 6.5 6.5	10 11 12 13	178 197 218 241	3370 3450 3570 3690
YKK5001-4 YKK5002-4 YKK5003-4 YKK5004-4	800 900 1000 1120	93.3 104.9 116.4 130.3	1490 1490 1490 1490	94.8 94.9 95.0 95.1	0.87 0.87 0.87 0.87	1.8 1.8 1.8 1.8	0.7 0.7 0.7 0.7	6.5 6.5 6.5 6.5	22 24 26 30	266 290 318 347	4380 4520 4710 5010

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