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Cast Resin Dry Type Transformer , Three Phases , Two Winding , Power Distributio

Cast Resin Dry Type Transformer , Three Phases , Two Winding , Power Distributio

Place of Origin : china
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Detailed Product Description
Core:Silicon Steel SheetCooling:AN Or Customized
Capacity:3150KVA Or CustomizedRated H. V.:11Kv Or Customized
Rated L. V.:0.433kv Or CustomizedImpedance:6% Or Customized

11 kV - 3150kVA , Cast Resin Dry Type Transformer , Three Phases , Two Winding , Power Distribution


Cast resin dry type transformer, eco-friendly, high efficiency.

  1. Low loss, low noise, low partial discharge, high reliability. Fit for general users , such as hospital, tower, hotel, etc.
  2. Strong capability with anti-short circuit, high anti-lightning impulse capability.
  3. HV coil is vacuum casted with epoxy resin with pressure, capabilities for better the cast without pressure. Subject to customer need, both HV and LV coil are fully vacuumed.
  4. Simulating analysis being used in the core model, the resonance can be avoided and the noise is reduced. Simulation calculation and analysis of lighting impulse wave are applied to the HV Coils; anti-lighting impulse capability is improved.


` low noise, low loss and low partial discharge.


Quality assurance 18 months after delivery or 12 months after site operation, which comes earlier.

`High reputation

Wide exportation from South Africa to South Asia, stable supply to Malaysia, Myanmar, Italy ..etc country ,with qualified certificate authorized by KEMA, CESI, CTQC.

`Small order is also accepted

1 unit of transformer with minimum rated capacity of 100kVA.

`Experienced staff

Pearl Electric is national high-tech enterprise and owns more than 65 expects and R&D engineers, over 2/3 of them have more than 3 years experience in technology and product developing. With such an pioneer army, Pearl devoted heart and soul on client's need to come up with perfect electriciy solution.

Cast resin dry type transformer

Care shall be taken to ensure that fittings are located so as not to interfere with the external connection to the bushing terminals, and the clearances to such connections shall not be less than the appropriate minimum phase-to-earth clearance given in column 2 of Table 2. The lines of approach of these connections may lie anywhere within the limits indicated in Figure 1, and the required phase-to- earth clearance shall apply at all points along these lines, as shown at the points marked 'L'. In addition, the minimum vertical working clearances from floor level to live metal shall be as listed in column 3 of Table

Table 2 — Electrical clearances in air

System highest voltage



Minimum phase-to-earth clearance


(see note 1) (mm)

Minimum vertical working clearance from ground level to live metal

(see note 2) ( mm)


(2,5 x L)

(*Min 3 000 mm) (mm)


(L + 3000)


3,6802 5803 0003 080
7,21502 6503 0003 150
122002 7003 0003 200
17,52302 7303 0003 230
243202 82030003 320
364302 9303 0003 430
485403 0403 0003 540
727703 27030003 770
1008403 3403 0003 840
1451 2003 7003 0004 200
1) Dimension not applicable to standard bushings per se
2) The minimum distance from the transformer base or ground level to the flange base of a bushing (or surge arrester) shall be 2 500 mm.

I Basic Information     
1Rated Voltage ratiokV11kV / 0.433 kV
1.01Rated CapacitykVA3150
II Electric Performance     
2.01Rated PowerkVA3150
2.05Number of phase Three
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 leveldB61
2.13No-load lossW4500
2.14Load Loss (@120℃)W23500
2.15Local Partial dischargepC<10PC
2.16Impulse Withstand Voltage (HV/LV)kV75/0
2.17Power Frequency Withstand Voltage
2.18Rated Duration of Short Circuits2

2 Applied Standard
GB/T10228 , GB1094.11 , IEC60076-11 , DIN42523

11 KV - 3150kVA Dry Type Transformer Low Noise Dry Type Cast Resin Transformer

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