Distribution Transformers


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Liquid-immersed
Distribution Transformers

Let the last step in your project’s energy supply be the best

Corrugated and conservator type oil-immersed transformers developed and designed in accordance with international standards (IEC, VDE, & BS)

Key Features
Benefits
Applications
Advantages
Key Features

  • Low core mechanical tension
  • Winding protection against electrical and mechanical stress
  • Ample cooling for elimination of winding hot spots
  • Short-circuit and surge proof
  • External protection against corrosion, temperature fluctuations, humidity and other environmental factors
  • Easy to handle, operate and maintain

Benefits

  • Low losses
  • Low noise
  • High reliability
  • Superior return on investment

Applications

  • Substations
  • Compact substations
  • Industrial facilities
  • Special uses (converter/earthing)

Advantages

 

  • Low core mechanical tension
  • Winding protection against electrical and mechanical stress
  • Ample cooling for elimination of winding hot spots
  • Short-circuit and surge proof
  • External protection against corrosion, temperature fluctuations, humidity and other environmental factors
  • Easy to handle, operate and maintain
  •  

Let the last step in your project’s energy supply be the best

Type

Hermetically sealed with or without gas cushion Breathing type with or without conservator

Rated Power

Up to 2.5 MVA

Voltage Class

Up to 36 kV

Tank Construction

Corrugated fin wall tank 

Winding Material

Copper/ Copper, Aluminum/ Aluminum (or as requested)

Phases

3 Phase

Tappings

2± x 2.5 % (or different range or as requested)

Voltage Regulations

With off-circuit tap changer

Rated Frequency

50 Hz or 60 Hz

Vector Groups

According to IEC standards

Material Thermal Class

Insulation

According to IEC 60085 class A

Type of Cooling

ONAN (Oil Natural Air Natural)

Dielectric Liquid

Mineral oil according to IEC standard, silicon oil or synthetic ester

Short-circuit

Withstand Ability

The transformers are designed to withstand the thermal and the dynamic effects resulting from a secondary short-circuit in accordance with IEC 60076-5

Sound Level

EC 60076-10 or NEMA – TR1 or as requested

Installations

Indoor or outdoor

HV/ LV Terminals

HV Terminals: Plug-in or porcelain bushings with or without cable box

LV Terminals: Cast resin, bar type or porcelain bushings with or without cable box, Cable box if required can be air insulated or fully insulated as per BS EN 503366:2002,(IP55 class or as requested)

Accessories

Standard
Optional
Standard

  • Oil level indicator
  • Skid under-base
  • Valves
  • Thermometer pocket
  • Buchholz relay (with conservator)
  • Dehydrating breather
  • Magnetic oil level gauge (with conservator)
  • Off circuit tap changer
  • HV and LV bushings
  • Rating and diagram plate
  • Lifting lugs
  • Earthing terminal
  • Haulage lug
  • Lashing lug

Optional

  • Oil temperature indicator
  • Winding temperature indicator
  • Pressure relief device
  • DGPT
  • Marshalling box/ Terminal box
  • Bi-directional roller
  • Jacking pad
  • CT
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