Motors are usually used to drive tools such as blast furnace supporters and sintering followers in the metallurgical market
I. Overview
T collection large-scale 3-stage four-pole, six-pole synchronous motor and so forth are collection of items produced by our company on the basis of introducing and absorbing advanced technologies at house and overseas. It is broadly utilized in petroleum, chemical, electric powered electricity and other industries, and is used to travel higher-inertia mechanical masses this kind of as enthusiasts, pumps, and compressors.
This collection of motors adopts new technology, new materials, new procedures, exquisite substance choice, innovative producing, little dimension, light-weight bodyweight, higher performance, minimal sound, low vibration, risk-free and dependable operation, and handy use and maintenance.
Two implementation standards
GB755 Rotating Motor Rating and Performance
CZPT circumstances of JB/T2224 large AC a few-stage 4-pole synchronous motor
GB/T1571 3-phase synchronous motor check method
GB/T997 motor framework and installation kind code
GB/T1993 Rotating Device Cooling Strategy
GB/T4942.1 Motor shell protection quality
GB/T10068 Rotating motor vibration measurement approach and limit
GB/T10069 Rotating Machine Sound Measurement Method and Restrict
three. Simple technical parameters
Power selection: 400~40000KW
Voltage: 6000, 10000V
Velocity: a thousand, 1500r/min
Rated frequency: 50HZ
Defense stage: IP44, IP54
Insulation course: F
Quota: S1
Cooling strategy: IC81W, IC91W
Set up approach, IM1001
*Can be manufactured in accordance to other parameters in accordance to consumer demands
4, specialized qualities
four.one By adding a “Γ”-formed damping ring to the sound magnetic poles, the motor can provide a big adequate starting up torque, a pulling torque and a reduced commencing existing, which can make sure the sleek starting and acceleration of the motor, and have a modest effect on the electrical power grid, and fulfill the consumer load requirements .
4.two The use of new insulating supplies and insulation technology, with tremendous sturdy insulation and voltage resistance.
4.3 The motor adopts class F insulation, and the temperature increase is assessed according to the temperature increase restrict worth of course B insulation. It has a long service existence and a very good air flow method, which makes the unit under numerous operating problems such as startup, overload, overexcitation, underexcitation, and shutdown. Make certain that the temperature rise of each element does not exceed the allowable limit.
four.four Through precise calculation and examination, the framework of the rotor is established. The large-electrical power motor adopts the integrated composition engineering of shaft and choke to make the motor safe and reputable.
four.5 The defense device is superior and complete.
4.five.1 The stator windings and bearings are outfitted with temperature detection products, which can detect, alarm and trip.
4.5.two Shutdown space heater with anti-condensation effect.
Five, composition type
5.one The composition of this series of motors is usually horizontal, and the cooling strategy is a shut circulating air cooling system, which is positioned at the bottom of the motor. For further-large-energy motors, it is of box-sort composition and water-cooled.
five.2 The motor magnetic materials adopts high-good quality cold-rolled silicon metal sheet with higher magnetic permeability and lower decline, which increases the operating performance of the motor and decreases the functioning value of the motor. Rigid stator composition, the iron core is fixed on the supporting ribs of the body in the circumferential path via the dovetail groove and compressed in sections with substantial pressure, and all the forces are transmitted to the base through the body, minimizing vibration. The damping ring and the magnetic pole undertake a special repairing technique to prevent malfunctions caused by inadequate get in touch with all interior conductive entire body connectors, fasteners, supports and screws on the rotating body have anti-loosening measures to make certain firmness and reliability.
five.three The stator winding is treated with VPI as a entire dipping paint, which has higher electrical efficiency, mechanical toughness, insulation overall performance, moisture resistance and thermal steadiness.
five.4 The bearing is a sliding bearing with stress oil circulation, which is set up in a bearing seat produced of forged steel. The sliding bearing has a spherical bearing that can automatically change the centre. The internal floor of the bearing is coated with a layer of Babbitt alloy to avoid energy generation Lead-tin eutectic occurs when the equipment is working at substantial temperature. The bearings are insulated to stop shaft currents.
6. Situations of Use
6.one Voltage fluctuation: ±5% (It can run at ±10% below the situation of 7.three in GB755).
six.2 Frequency fluctuation: ±2%.
6.three The altitude does not exceed 5000m
six.four The greatest ambient air temperature does not exceed +50ºC,
six.5 The inlet temperature of the cooling h2o of the air cooler should be stored inside the assortment of six~33ºC, the strain of the cooling water is .3Mpa, and the cooling water ought to have no corrosion effect on copper and iron.
6.six If the earlier mentioned fundamental circumstances of use are exceeded, corresponding measures or particular orders need to be taken.
Seven, design description
Motor with structure form IM7311: Motor with composition sort IM1001
T7000-4/1730T1120-415000KW
Outer diameter of stator core (Φ1730mm) Rated electricity (15000KW)
Quantity of poles (four poles) Quantity of poles (four poles)
Rated energy (7000KW) Heart peak (1120mm)
T sequence synchronous motor T series synchronous motor
8. Ordering recommendations
eight.1 Ahead of placing an order, please refer to the product catalog of this series to make clear the necessary product design, requirements and other information. If there is any discrepancy among the essential versions and technical specs, you should get in touch with our organization.
eight.2 When ordering, the motor model, rated electricity, velocity, rated voltage, rated frequency, safety stage, load second of inertia, rotation route, installation type, and so forth. have to be indicated.
eight.3 The complex information sheet in the catalog only lists the pertinent data of motors with rated voltages of 6KV and 10KV. If consumers call for other voltage amounts, our company can also give technical info when buying.
eight.four The specialized info and proportions in the sample are only for reference when users decide on models. The formal details will be provided by the company right after the deal or specialized agreement is signed.
eight.5 If you have any other particular specifications, this sort of as brushless excitation, variable frequency start off, and many others., remember to offer the requirements and sign the appropriate complex agreement when purchasing.
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