Electric Motor for Water Plant

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
Reference Price
$ 9,000.00 - 27,000.00
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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. Fo r 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 J m
(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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