YKK Sequence Higher Voltage Three Stage Induction Motors of Body dimensions 355-1000 Rated output 185-8000kW Insulation class F Degree of security IP54/IP55
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CZPT description
Y,YKS,YKK Series large voltage three-period asynchronous motors (Frame No.355-a thousand) mounting dimensions and tolerance are coincident with China regular GB755, CZPT CZPTal committee common IEC34-1and equipment-occupation standards JB/T/7593 JB/T1571.one and many others.
The grade of safety for outer protect is in accordance with GB4942 and IEC34-five regular, there are four grades IP23, IPW24, IP44 and IP54. The IP23 quality can update to IP44(Tube Air flow) according the customer’s ask for. Also provide other protecting quality specially.
The cooling approach is in accordance to the GB/T1993 and IEC34-6 standard . There are a few kinds of cooling method IC01,IC611 and IC81W. Also we can give other cooling technique in accordance the buyer request.
The structure and mounting model is IMB3 (horizontal foot mounted) is in accordance with GB997 and IEC34-7 (IM code) requirements.

Framework specification       
The frame is manufactured of metal plate currently being welded up into kind of sq. tank form with mild weight and agency rigidity .
Stator is a outer-push-assembly framework, the stator winding is a F grade insulation, at the winding’s finish part currently being company banded.
The whole stator has been handled with VPI technology to make stator with a sturdy entire body and great electrical and dampness resistance.
The rotor can be produced into two modes casting aluminum and copper bar method. 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 stop to be soldered with a conclude-ring by reputable soldering technology. At the stop of method, it need to be immersed in lacquer after to improve the integration.
Both rolling or sleeve bearing might be adopted, the safety 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 products, motor can also be non-quit oil injection. For the sleeve bearing mode, the oil supply technique for the bearing must be well prepared by clients. But the effectiveness for sleeve bearing motor will be permitted a tiny lower with respect of the technical knowledge desk and that is permissible in according with the relative stipulates of the standard issued by Ministry of Device Building.
The major terminal box is developed by Germany DIN standard. The grade of defense is IP54. The terminal box for normal motor is positioned at the correct side (Viewed from axle extension). Also can be mounted at still left facet in accordance customer’s necessity. The outlet hole of terminal box can face up, down, proper and still left four directions. There is a impartial grounded gadget in the principal terminal box.
Usually the motors axle is single extension method, the important is a planar crucial method. We also can give double shaft extension mode in accordance customer’s prerequisite.
We can install temperature measurements in stator and bearings. And install interior place heaters for moisture protecting during stoppage.

The Implication of the symbol
By GB4831 stipulation, the motor’s kind is composed of merchandise image and specification image in sequence.
The item image is demons dealt with by motor collection symbols, its implication is as following:
   Y———squirrel-cage rotor 3-section asynchronous motor.
   YKS——Enclosed squirrel-cage rotor three-period asynchronous motor with air-drinking water cooler
   YKK—— Enclosed squirrel-cage rotor 3-stage asynchronous motor with air-air cooler
   The specification image is composed of centre height, iron-core length amount and number of poles.
Instance:

Information
YKK collection:

• Body dimensions: 355-1000                   
• Rated output: 185-8000kW
• Insulation course: F                         
• Degree of safety: IP54 /IP55
• Enclosure: IC611                           
• Mounting: Horizontal
• Rotor: Squirrel cage                     
• CZPT: Rolling bearing or sleeve bearing
• Voltage: 6kV, 10kV

Features 
This motor can be processed by the anticorrosion anti-mould-proof procedure to derive outdoor (W) and outside corrosion defense (WF) motors. Higher efficiency, strength conserving, low vibration, small measurement, gentle fat, dependable functionality and easy set up and upkeep. The frame is created of steel plate currently being welded up into type of sq. tank shape with gentle fat and agency rigidity. Stator is an outer-press-assembly structure. The stator winding is F grade insulation at the winding’s finish part being company banded. The complete stator has been taken care of with VPI technologies to make stator with a sturdy physique and excellent electric and dampness proof. The rotor can be produced into casting aluminum rotor or copper bar rotor. The copper cage rotor information bar and stop ring are welded by intermediate frequency, and the copper information bar diameter groove is handled with sound technology to make it have high dependability.

Apps 
Perfect for driving all kinds of general equipment, such as h2o pump, admirer, compressor, crusher and and many others.

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