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33 Kv 2500 Kva Power And Distribution Transformers In Dry Type Long Lifespan

Pearl Electric Co.,Ltd.
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33 Kv 2500 Kva Power And Distribution Transformers In Dry Type Long Lifespan

Brand Name : Pearl Electric Co.,Ltd.
Model Number : PEC-S, SC(B) 9-15
Certification : KEMA, CE, CCC, ISO9001
Place of Origin : China
MOQ : 1 unit
Price : USD/RMB
Payment Terms : T/T, L/C
Supply Ability : 9000 units per year
Delivery Time : 30days-50days ex-work
Packaging Details : Seaworthy wooden packing
Name : Power And Distribution Transformers
Winding : Two-winding transformer
Capacity : 2500KVA or Customized
Rated H. V. : 33Kv or Customized
Rated L. V. : Customized
Impedance : 6% or Customized
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33 Kv 2500 Kva Power And Distribution Transformers In Dry Type Long Lifespan

Power And Distribution Transformers Advantages:

  1. Strong capability with anti-short circuit, high anti-lightning impulse capability.
  2. HV coil is vacuum casted with epoxy resin with pressure, capabilities for better the cast without pressure.
  3. 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.

Power And Distribution Transformers Core


The framework, clamping arrangement and general structure of the core of each transformer
shall be of a robust construction and shall be able to withstand the degree of shocks which may
occur during transportation, installation and in-service conditions.


The core shall be of stack or wound type built using high grade low loss non-aging cold rolled
grain oriented silicone steel or amorphous metal laminations, having excellent magnetic
properties with low hysteresis and eddy current losses. The core interlamination insulation
resistance shall be capable to withstand pressure, mechanical vibration, thermal changes and
temperatures which may occur under the most severe operating conditions.


Magnetic flux densities shall be kept below the saturation point at rated frequency and rated noload
voltage.


The assembled core shall result in a rigid structure, with the clamping pressure of the press
beams evenly distributed and adjusted to minimize the noise and vibration coming from the
transformer when placed into operation.


No.ItemsUnit
I Basic Information     
1Rated Voltage ratiokV33kV / 0.433 kV
1.01Rated CapacitykVA2500
II Electric Performance     
2.01Rated PowerkVA2500
2.02HVkV22
2.03LVkV0.433
2.04FrequencyHz50
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 leveldB55
2.12Impedance%6
2.13No-load lossW3870
2.14Load Loss (@120℃)W16920
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



Power And Distribution Transformers Applied Standard
GB/T10228 , GB1094.11 , IEC60076-11 , DIN42523


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