Oil-filled transformers

Power oil-filled transformers with a capacity of up to 400 MVA and a voltage of up to 330 kV inclusive, for operation in any conditions.

Main advantages

High reliability and product quality

Minimum ambient temperature

Cooling system

High overload capacity

01 High reliability and product quality

The high reliability of transformers has been developed taking into account the specifics of operation in various industries and at various energy facilities, and has been confirmed by test reports in independent test centers.

02 Minimum ambient temperature

Transformers can be operated at a minimum ambient temperature of -60 °C.

03 Cooling system

A wide range cooling systems ensures reliable heat dissipation, increasing the efficiency of the transformer, extending its service life and ensuring stability under load.

04 High overload capacity

Oil transformers can operate with overload for a long time without significant deterioration in performance.

All photos

Information
materials

Special offer

Download document

Documentation

Get a consultation

Questionnaires

Questionnaire - Transformers

Service we provide with this product

Get the cost calculation

24/7 Customer support

Service center and regional support centers

Service

Warranty service

Development of design concepts

Technical and economic evaluation

Предоставление технических характеристик

Development of an electronic project for a digital substation (DSP)

Documentation in English and other languages

Oil-filled transformers up to 330 kV is used:

ELM PS 35 kV

ELM PS 110 (220) kV

Market-Specific Solutions

25 years of working with Customers from various industries have allowed us to study industry specifics in detail and create individual solutions that fully meet the needs of this industry and the requirements of individual Customers from this industry.

Oil, Gas and Petrochemistry

Generation, Transmission&Distribution of Electrical Energy

Industry&Infrastructure

Renewable energy

News and publications about the product Go to the Media

14 February 2025 News

Electronmash has mastered vacuum packaging technology to protect electrical equipment.

Electronmash specialists are expanding their range of services and introducing a new packaging method for long-term storage and transportation of products in difficult climatic conditions.

16 December 2024 News

Electronmash will manufacture and supply 120 35/0.69 kV substations for the Novolakskaya WPP.

JSC "Electronmash" has signed a contract with JSC "VetroOGK-3" within the framework of the project for the construction of the largest wind power plant in Russia.

15 September 2024 News

Electronmash has manufactured and supplied a 6/0.4 kV workshop substation for JSC NZNP, and will also perform installation supervision.

Electronmash has successfully fulfilled its obligations to manufacture and supply electrical equipment as part of the project to build a complex for deep processing of crude oil and medium distillates.

25 September 2015 News

Sarutayuskaya 35/6 kV substation for LUKOIL-Komi LLC

As part of the execution of the contract for the Sarutayuskaya 35/6 kV substation (Lukoil-Komi LLC), an inspection of equipment production was carried out.

25 September 2008 Публикации

Сухие трансформаторы Т3R – современное решение!

«Электронмаш» представляет на российском рынке итальянскую кампанию «GBE s.r.l», производителя сухих трансформаторов T3R с литой изоляцией.

25 August 2008 Публикации

Сухие трансформаторы. Надежность и безопасность

Ситуацию, сложившуюся на рынке сухих трансформаторов, комментирует заместитель директора по маркетингу и сбыту «Электронмаш» Украинский Виктор Иванович.