20kV Oil Immersed Transformer
20kV Oil Immersed Transformer
20kV Oil Immersed Transformer
20kV Oil Immersed Transformer
20kV Oil Immersed Transformer
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  • 20kV Oil Immersed Transformer
  • 20kV Oil Immersed Transformer
  • 20kV Oil Immersed Transformer
  • 20kV Oil Immersed Transformer
  • 20kV Oil Immersed Transformer

20kV Oil Immersed Transformer


From petrochemical plants to remote mining sites, TGT distribution transformers provide the reliable backbone for industrial and agricultural power networks.

Rating kVA:

Up to 25MVA

Voltage ratings:

Up to 20kV

Complant With Standard:

IEC

info@tgtpower.com

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Oil Immersed Transformer
Active part assembly Active part assembly Precisely assembled with tight tolerances, ensuring excellent electrical performance, structural integrity, and long-term reliability.
Bushing Bushing Provides safe electrical insulation and reliable current transfer between the transformer and external circuits.
Oil Level Indicator Oil Level Indicator Provides clear and accurate monitoring of oil level, ensuring safe operation and timely maintenance.
Oil Tank Oil Tank Manufactured in-house by our dedicated subsidiary, ensuring strict quality control, robust construction, and reliable sealing performance.
  • Product Description

    TGTpower 20kV class liquid-filled three-phase distribution transformers are engineered to deliver premium thermal durability, high operational efficiency, and exceptional voltage stability under heavy-duty loading profiles. Designed for seamless grid interconnection, these systems are optimized for utility substations, renewable energy generation side projects (solar/wind plants), and large-scale industrial distribution networks.  Fully compliant with ANSI/IEEE C57.12.00, IEC 60076, and CSA C2.1 standards, our 35kV assets provide minimized core and copper losses with internationally recognized quality and grid compliance. 

    Key Features

    High Efficiency & Reliability

    Features a compact design with strong overload capacity to handle peak demands.

    Low Maintenance

    Aesthetic and functional construction ensures easy access and long-term service stability.

    Versatile Application

    The trusted solution for factories, mines, and complex power distribution systems.

    Technical Data for 20kV oil-immersed transformer three phase double-winding

    Rated Capacity (kVA)

    Rated voltage and tapping range

    Vector group

    No load Current (%)

    Impedance voltage (%)

    No load Losses (W)

    On load losses (W)

    HV(kV)

    Tapping range(%)

    LV(kV)

    30

    20

    ±2×2.5
    ±5

    0.208
    0.4
    0.6

    Dyn11
    Yyn0

    1.9

    4.0

    95

    565

    50

    1.8

    120

    840

    63

    1.7

    130

    965

    80

    1.6

    175

    1170

    100

    1.5

    185

    1475

    125

    1.3

    220

    1755

    160

    1.3

    250

    2160

    200

    1.1

    330

    2565

    250

    1.0

    395

    2965

    315

    1.0

    460

    3580

    400

    1.0

    555

    4265

    500

    1.0

    670

    5465

    630

    0.8

    4.5

    780

    6565

    800

    0.7

    950

    7465

    1000

    0.6

    1140

    10250

    1250

    0.6

    1345

    11965

    1600

    0.6

    5.0

    1630

    14460

    2000

    0.5

    1930

    16990

    2500

    20

    ±2×2.5
    ±5

    0.208
    0.4
    0.6

    Dyn11
    Yyn0

    0.5

    5.0

    2320

    20215

     
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    Certification Certificate

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    Core Advantage Of TGTpower 20kV Oil Immersed Transformers

    Low-Loss & Eco-Design

    Built with high-quality grain-oriented silicon steel (CRGO) cores with progressive step-lap joints, significantly lowering no-load loss and reducing operating noise well below industry NEMA limits.  

    High-Purity Oxygen-Free Copper Winding

    Windings are wound using premium oxygen-free copper strip/foil conductors, creating maximum dynamic short-circuit tolerance and eliminating axial magnetic thrust during surge events. 

    Airtight Elastic Corrugated Tank

    Utilizes a permanently sealed, elastic corrugated tank structure that automatically flexes to absorb the natural expansion/contraction of fluid, avoiding micro-leaks and reducing maintenance cycles.  

    Comprehensive Analog Diagnostics

    Factory-integrated with automatic pressure relief valves (PRV), dial-type thermometers, magnetic liquid level gauges (MOG), and gas relays for immediate signal tipping or alarming. 

    Packaging

    Reinforced Solid Wood Skid Pallets: Anchored firmly via pneumatic high-tensile steel straps onto custom-built, heat-treated wood skids matching ISPM 15 standards (Fumigation-Free) for immediate customs clearance.

     

     

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