Key Product Features

Substation Integration
Our Lighting Substation Transformers are designed for efficient integration into substation enclosures, making them a reliable choice for electrical distribution networks.
Oil-Immersed Reliability
With a hermetically sealed design and oil-immersed configuration, these transformers offer enhanced protection and consistent performance in underground distribution settings.
Tank Design for Oil Expansion
The tank’s thoughtful design, incorporating corrugated steel sheets, allows for the safe expansion of oil during loading, ensuring operational safety and durability.
Medium Voltage Compatibility
These transformers are rated up to 300 KVA, providing robust support for medium-voltage electrical distribution systems and delivering reliable performance in diverse applications.

Proven Performance

Secure Sealing

The hermetically sealed construction ensures reliable performance, particularly in demanding underground environments, providing a secure solution for your distribution needs.

Efficient Oil Immersion

Beyond protection, the oil-immersed design optimizes energy transfer, consistently enhancing efficiency for powering medium-voltage electrical distribution systems.

Tank Design for Variable Loads

The tank’s design, incorporating corrugated steel sheets, adapts to varying loads, showcasing a commitment to safety and ensuring continuous operation.

Smooth Integration

Whether in underground networks or substation enclosures, these lighting substation transformers have demonstrated reliable integration and consistent performance, assuring the reliability of your power distribution system.

Technical Data

Rated voltages
Primary voltage upri
0.22, 13.8, 33 other on request up to 36 kv
Power frequency with stand voltage ud-pri
3, 38, 70 kv for 1min
Lighting impluse withstand voltage towards the ground "bil" up-pri
95,110, 170, 200 kv for 1.2 /50 us 50 hz
Secondry voltage usec
415 / 240, 400 / 230, 231 / 133 v
Power frequency withstand voltage ud-sec
3 kva
frequency f
50 / 60 hz
Rated capacity
Rating sn
50, 100, 150, 200, 300 kva
Type
oil
winding material
cu / ai
General characteristics
Vector group
dyn11, others on request
Impedance voltage z%
4 / 5 / 6%
temprature rise top oil / average winding
50 / 55 / c, others on request

Illuminate Your Project with UTEC’s Lighting Substation Transformers

Whether underground networks or substation enclosures, our lighting substation transformers have a demonstrated track record of seamless integration and performance excellence. Rest assured, when you use our lighting substation transformers, your power di

Lighting Substation Transformers

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