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KOLEKTOR ETRA

Manufacturer of power transformers, specialized in production of transformers up to 500 MVA rated power and 420 kV.

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Kolektor Etra

85 years

Kolektor ETRA

We are a company that has the capacity to produce energy and power generator transformers up to 500MVA and voltages up to 420kV. We focus mainly on technical areas, such as loss and noise level reduction. Innovative, professional and responsible are the words which characterize the company by our valued customers over the years.

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85 years

The satisfaction of creating excellence

Kolektor Etra objective is to supply products that satisfy customers with their technical parameters and high quality as well as optimal ratio between price and performance.

With experienced and qualified team we are able to carry out all routine, standard and special tests required by international standards.

Areas Of Expertise
  • Electromagnetics
  • Structural Mechanics
  • Thermodynamics
  • Acoustics
  • Anti-corrosion
Services
  • Transformer repair
  • Servicing and Maintenance
  • Decomposition and Recycling of Old Transformers
MANUFACTURING PROGRAM

Transformers

Power
transformers

Power transformers and autotransformers of up to 500 MVA rated power and 420 kV rated voltage with on-load and off-load…

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Special
transformers

To meet industrial demands,KOLEKTOR ETRA d.o.o. also manufactures special transformers: furnace transformers…

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Distribution
transformers

Oil-immersed distribution transformers of up to 2500 kVA rated power and up to 36 kV rated voltage, with a conservator or…

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News

Latest news and events

Kolektor Etra acquired an ownership stake in the company Primabiro
Kolektor Etra acquired an ownership stake in the company Primabiro
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In September, Kolektor Etra acquired an ownership stake in the company Primabiro, located in Čakovec, Croatia. The company is specialized in production of transformer tanks and  has been operating for more than 25 years. It is known as a quality manufacturer with extensive experience and certificates for the production of  transformer tanks, which are one of the main components of transformers. We…

Development of the Upper Soča Valley with help of Kolektor Etra transformers!
Development of the Upper Soča Valley with help of Kolektor Etra transformers!
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Kolektor Etra will contribute to a more reliable electricity supply and thus development in the Upper Soča Valley.   In September, a new RTP 110/35/20 kV Kobarid, worth 4,5 mio € was put into operation by companies Sodo and Elektro Primorska. The new RTP Kobarid will enable better reliability of electricity supply in this region and it will enable new…

20. Izvozni Fokus
20. Izvozni Fokus
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20th Izvozni Fokus, event organized by newspaper Finance took place on June 23rd. Our Procurator and Commercial Director of Kolektor Etra, Mr. Peter Novak, together with Mr. Matjaž Čemažar, director of Domel, participated in an interactive conversation on the topic of responding to the post-corona recession. Mr. Novak presented the measures introduced by Kolektor Etra during the Covid-19 epidemic and highlighted…

Transformers of rated power 410 MVA and 275 kV rated voltage will be shipped to US
Transformers of rated power 410 MVA and 275 kV rated voltage will be shipped to US
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Based on good references from Europe and the experience our customers have with us, we have received an offer to work with a company to build a turnkey wind platform for a US customer. We will place three transformers of rated power 410 MVA and 275 kV rated voltage, on an offshore wind farm in Massachusetts near Nantucket Island. The…