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IEC High Voltage Induction Asynchronous Squirrel Cage AC Modular Motor for Electricity Station Coal Milling
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Common Description
The power degree, electric powered home, mounting dimension and tolerance of the three-phase asynchronous motor for YTM,YHP and YMPS collection coal-grinders are in accordance with the National normal GB755. The International Electrical committee standard IEC34-1 and the equipment Trade common JB/T7128-93.
The YTM sequence electrical motor is matched specifically with the tubular form coal grinder YHP collection is matched with bowl form coal grinder and the YMPS sequence is matched specially with MPS bowl condition coal grinder.
The protection degree of motor’s situation is IP54 the cooling mode is IC611 (air-air cooling).we can give IC81w cooling manner (air-drinking water cooling) in accordance with the request of buyer the mounting mode is IMB3, the rated voltage are 6kV or 3kV and 380V the rated frequency is 50Hz the function technique is ongoing (S1).
Structure description
The motor adopts the internationally well-liked box construction the body and the finish cover are all welded by steel plates, which have excellent rigidity and mild weight. Right after getting rid of the protective include (or cooler), you can observe and contact the within of the motor to facilitate the installation and maintenance of the motor.
The stator adopts an external push-suit structure. The stator winding adopts Course F insulation materials and anti-corona substance. The winding end is fixed by special lashing approach, which is organization and trustworthy. The entire stator is handled with vacuum pressure impregnated Course F solventless paint (VPI). As a result, the motor has excellent and reliable insulation qualities and moisture and impact resistance.
This sequence squirrel cage rotor reduced power specification motor adopts forged aluminum rotor, no copper strip rotor broken strip phenomenon, trustworthy procedure large electrical power specification motor adopts copper strip rotor, squirrel cage copper strip rotor adopts superior and reliable welding rod technologies, and by way of slot Internal fastening treatment method.
Bearings are offered in each rolling and friction bearings, dependent on motor electrical power and velocity.
Motors with rolling bearing construction have non-quit refueling and oil draining devices, and are geared up with particular refueling tools.
The major terminal box is sealed and has a degree of defense of IP54. It is usually mounted on the proper side of the motor (from the shaft finish) and can be mounted on the still left aspect in accordance to consumer requirements.
The cable entry hole can be switched upwards, downwards, still left and proper and there is a separate ground terminal in the box.
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Particulars
- Frame sizes: 400-800mm
- Rated output: one hundred sixty-1800kW
- Voltage: 380V, 3kV, 6kV
- Frequency: 50Hz
- Insulation class: F
- Amount of poles: 6, 8,ten
- Diploma of security: IP54
- Duty cycle: S1
- Rotor: Squirrel cage
- Bearing: Rolling bearing or sleeve bearing
- Enclosure:IC611 / IC81W
Attributes
Large efficiency, strength saving, minimal vibration, little dimensions, light bodyweight, trustworthy overall performance and straightforward installation and upkeep. The stator winding is F quality insulation at the winding’s end component being agency banded. The complete stator has been dealt with with VPI technology to make stator with a sturdy physique and very good electric powered and moisture evidence. The body adopts the welded box construction of all steel plates and the structure layout of the hoisting kind body has very good rigidity.
Apps
Perfect for coal mill.
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