History and tradition

Our story is one of relentless innovation and dedication to progress. For decades, we have grown alongside the global energy sector, driving advancements and setting benchmarks in electrical power systems. The milestones below highlight the pivotal moments that have shaped our journey:

• 1947 - Initiated the production of 36 kV oil-insulated instrument transformers
• 1952 - Expanded to manufacturing 123 kV instrument transformers
• 1962 - Commenced development and production of 245 kV instrument transformers
• 1965 - Introduced epoxy resin-insulated instrument transformers
• 1973 - Launched 420 kV instrument transformers
• 1991 - Emerged under the current name following a significant organizational restructure
• 1992 - Developed combined instrument transformers (type VAU)
• 2003 - Manufactured 525 kV and 765 kV instrument transformers for the Russian market
• 2006 - Established a joint venture in Shenyang, China, in partnership with TBEA
• 2006 - Launched high-power voltage transformers
• 2010 - Expanded into the Indian market with 800 kV instrument transformer production
• 2017  - Developed high-voltage reactors for HVDC substations (type VNP)
• 2020  - Expanded medium-voltage product range with combined units and high-power voltage transformers
• 2022 - Set a benchmark in sustainability by embedding biodegradable fluids in GREEN LINE instrument transformers
• 2024 - Introduced combined high-power transformers (type SVE)

Decades of thoughtful innovation and market-driven adaptability have defined our progress. By pioneering transformers capable of handling higher voltage levels, we’ve adapted to the evolving landscape of global power systems and established trust with customers spanning over 100 countries.

Tradition of excellence and innovation

For more than seven decades, we have been at the forefront of transformer manufacturing, blending experience with visionary innovation.

Our transformers are designed to deliver unique value, leveraging decades of knowledge to create original solutions tailored for our customers’ evolving needs.

Milestones such as the introduction of combined instrument transformers in 1992 and the development of 800 kV transformers for Russian and Indian markets exemplify our technological leadership and resilience in meeting extreme operational challenges.

Driving progress through collaboration

Ongoing development is a cornerstone of our work, enabling our transformers to consistently achieve higher levels of quality and functionality. Our innovative solutions, built on cutting-edge technologies and modern materials, are inspired by the ever-changing demands of the global energy sector. 

Our final designs are a seamless blend of expertise, industry standards, innovative approaches, and the collaborative insights of our valued partners.

Driving progress with research and innovation

The processes of research, development, and innovation are multifaceted and self-directed. They are structured around key principles, each playing a critical role in shaping solutions that meet the demands of an increasingly dynamic and competitive marketplace.