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Dry Type Air Cooled Transformer Inflaming Retarding 6.6kV - 80kVA H Class

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Dry Type Air Cooled Transformer Inflaming Retarding 6.6kV - 80kVA H Class

China Dry Type Air Cooled Transformer Inflaming Retarding 6.6kV - 80kVA H Class supplier

Large Image :  Dry Type Air Cooled Transformer Inflaming Retarding 6.6kV - 80kVA H Class

Product Details:

Place of Origin: China
Brand Name: Pearl Electric Co.,Ltd.
Certification: KEMA, CE, CCC, ISO9001
Model Number: PEC-S, SC(B) 9-15

Payment & Shipping Terms:

Minimum Order Quantity: 1 unit
Price: USD/RMB
Packaging Details: Seaworthy wooden packing
Delivery Time: 30days-50days ex-work
Payment Terms: T/T, L/C
Supply Ability: 9000 units per year
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Detailed Product Description
Core: Silicon Steel Sheet Cooling: AN Or Customized
Capacity: 80KVA Or Customized Rated H. V.: 6.6 Kv Or Customized
Rated L. V.: 0.433kv Or Customized Impedance: 4% Or Customized

 6.6 kV - 80kVA Cast Resin Dry Type Transformer , Three Phases , Two Winding , Power Distribution​
 

 
Product Description:
Dry transformer is mainly applied to heating furnace such as glass furnace, electric resistance furnace, vacuum furnace, polycrystalline furnace and electroplate, traction rectifier transformer for first grade.
 
1. Copper conductor is used both for H. V. &L. V. Coils to strengthen the glass fiber. It is dried and cast by epoxy resin under the high vacuum. After curing, it is a firm cylinder with high mechanical strength and withstanding short-circuit capability, which is smaller to partial discharge, higher reliability as well as long service life.
 
2. Accordingly the imported epoxy resin and glass fiber compound insulation, materials are used and certain silicon powder is contained in the epoxy resin. Both heat conduction co-efficient and flameproof ability is greatly improved in comparison with old type materials. There would be no toxin and harmful gas caused by resin under high temperature.
 
3. The moist cannot be absorbed by coils. As the result of that the core clamp is coated with the special anti-corrosive materials, it can do as usual under the severe conditions. It is unnecessary to get rid of moisture for interval operation.
 
4. Excellent capabilities of withstanding short-circuit and lightning impulse.
 
5. Good heating dissipation due to thin resin coated on the outside of coils. Normally, natural air cooling (AN) is taken. Fan cooling system could be provided with the transformer in any protection grade to improve short time overload ability and ensure the safe operation.
 
 
Cast Resin Dry Type Transformer, Low Noise, Low Loss and Low Partial Discharge.
 

No.ItemsUnit 
I Basic Information     
1Rated Voltage ratiokV6.6 kV / 0.433 kV
1.01Rated CapacitykVA80
1.02Applicable Standards IEC 60076
1.03Manufacturer Pearl Electric
1.04Country of Origin China
II Electric Performance     
2.06Insullation Class Class H
2.07Temperature Rise (@40℃ ambient temperature)K125K
2.08Cooling Method AN
2.09Tapping Ranging ±2*2.5%
2.1Vector Group Dyn11
2.11Noise leveldB48
2.12Impedance%4
2.13No-load lossW420
2.14Load Loss (@120℃)W1460
2.15Local Partial dischargepC<10PC
2.16Impulse Withstand Voltage (HV/LV)kV75/0
2.17Power Frequency Withstand Voltage
(HV/LV)
kV28/3
2.18Rated Duration of Short Circuits2
III Materials & Accessories     
3.01Core Materials Silicon Steel Sheet
3.02Winding Materials Copper conductor/foil
3.03Insulation methods HV vacuum cast / LV impregnant
3.04Main Insulation Materials Epoxy Resin
3.05Tap-changerpcsOff-load tap-changer
3.06Sensor for Temperature Alarm and TrippcsYes, contact provided
3.07Protective EnclosurepcsIP00

 

TECHNICAL CHARACTERISTICS for LV circuit breaker
 

Circuit breakers shall be designed and carried out so that, in normal use, they guarantee a reliable operation without any danger to the user.
 

Circuit breakers are intended for a projecting assembly and fixing by screws on plastic or wooden board, and planned for possible fixing on DIN type rail.
 

Circuit breakers are intended for outdoor transformer protection so they should be supplied in a plastic self- extinguishing weather proof lockable boxes. The cable entry points on the boxes should be on bottom side of the boxes. Bidders should provide pictorial - drawings of the boxes.
 

For single-phase circuit breakers (1 phase and 1 neutral), breaking action shall be bipolar despite only one pole and/or both is protected. For the three-phase circuit breakers breaking action shall be 4-pole tripping despite protection on 3 poles only.
 

The apparatus includes:

  • A self-extinguishing insulating matter case (“boitier”) with sealable terminal cap designed in one or two pieces.
  • Design of the electric terminals shall be such as: even with removed case or terminal caps, it will not be possible for a user to touch inadvertently the live parts.
  • A mechanism with free release ensuring the hand drive operation (switching operation) and the automatic tripping in the event of default (overload and short-circuit.
  • A magneto-thermal release device.
  • Any default on the pole of a phase causes the simultaneous opening of all poles of the circuit breaker.
  • Circuit breakers shall be provided with a device indicating their ON/OFF position which shall be easily visible at the front of the circuit breaker.
  • All circuit breakers shall be adjustable and their corresponding current range must be well indicated, and the circuit breaker must be equipped with a device allowing easy adjusting of current rating.


 Applied Standard
GB/T10228 , GB1094.11 , IEC60076-11 , DIN42523
 
 
Dry Type Air Cooled Transformer Inflaming Retarding 6.6kV - 80kVA H Class 
 
 

Contact Details
Pearl Electric Co.,Ltd.

Contact Person: Sandy

Tel: 86-020-22626603

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