Transformers

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Power Transformers

Applications of Power Transformers
Operation in high-voltage substations (110–220–330–500 kV).

Powering industrial facilities and large consumers.

Transmitting electricity over long distances.

Compensation and stabilization of grid operating conditions.

Integration into generation and distribution complexes.

Minimum and maximum technical specifications (general ranges)
Voltage class: from 6 kV to 800+ kV

Rated power: from 0.4 MVA to 1200+ MVA

Design type: oil-filled, dry-type, hermetically sealed, with expansion tank

Cooling: ONAN, ONAF, OFAF, ODAF, OFWF

Current: from tens to thousands of amperes

Installation: outdoor, indoor, in open-air substations, in enclosed switchgear

Resistance: to climatic conditions, contamination, UV radiation, and vibrations

Parameters depend on the manufacturer, series, and specific application.

Power transformers are key components of the energy infrastructure, designed to convert voltage levels in electricity transmission and distribution systems. They ensure the stable operation of substations, industrial facilities, power generation complexes, and high-voltage grids, minimizing losses and improving the efficiency of the power system.

Transformers are used to:

step up or step down voltage in networks of various classes;

ensure safe and stable transmission of electricity over long distances;

power industrial and municipal facilities;

operate in generation, distribution, and compensation circuits;

protecting the grid from overloads and emergency conditions.

What We Can Supply and Provide
We supply power transformers of any brand—we select the optimal solution based on the facility’s technical requirements.

We design high-voltage assemblies and substation schematics, integrating transformers into the overall power supply system.

We perform configuration, installation, commissioning, and maintenance.

We provide a guarantee for all stages—from equipment selection to commissioning.

Technical data F35g

Rated power

0.4 MVA to 1200+ MVA