EXPERIENCE • SCIENCE • QUALITY
Exactly within the range of your requirements
from -500 meters
to 10000 meters
Our equipment can power mining lines deep underground and service Airbuses flying high in the sky. One device even made it to the Moon.
from -50° C
to +3000° C
Our devices successfully operate in the temperature range from -50 ° C to + 80 ° C. With the help of our devices, in special installations, an operating temperature of up to + 3000 ° C and higher is achieved.
Tallinn Electrical Engineering Factory «Estel» was founded in 1870. Today, Company develops, manufactures and supplies a broad range of power converter equipment and power semiconductors, focusing on complex technological solutions and production “turnkey” delivery.
Designed by experienced engineers
Participation in the design of unique international projects
Development of over 200 types of power semiconductor devices
A range of devices designed over 40 years ago develops and remains relevant to this day
Complex solutions for various technological tasks
All products are developed by our own design bureau
Modern and well-established production
Available test capacity is up to 1 MW
Installation supervision and commissioning
The quality management system complies with international standards
Integrates into digital and analogue environments
Microprocessor control, protection and diagnostics system
Remote control (both digital and analog)
Different levels of access for different users
November 27: Factory foundation day
In the Main Revel railway workshops, the construction of a special imperial train was completed
1919 - 1922
32 broad-gauge and 12 narrow-gauge steam locomotives were repaired
First Baltic electric train production
In 1928, electric trams were built for Tallinn, which were in use until 1965.
Tallinn steam-engine repair plant is founded on Main railway workshop base
The enterprise is renamed into the Plant of mercury rectifiers named after. M.I. Kalinin. Founding of a scientific base for the industry of the republic.
Release of the first mercury-rectifier unit for an electric locomotive, ignitron IVS-300/5
Created a Special Design Bureau for the development and production of power semiconductor devices
Serial production of power semiconductor devices and converting units based on them has begun
Due to changes in the production profile, the company was named: Tallinn Electrotechnical Plant named after M.I. Kalinin
For the first time in the USSR, a thyristor frequency converter for electrothermia was developed and produced
On the occasion of its 100th anniversary, the plant was awarded the Order of the Red Banner of Labor
Manufacturing of power semiconductor devices for the first Soviet Lunar rover
Development and start of production of converters for high-voltage electric motors
Development and production of the first converters for ground handling of aircraft
Registration of the "Estel" trademark.
Participation in the project for the supply of equipment for CERN (European Organization for Nuclear Research).
Winning an international tender. Development of an SMES modulator for the Karlsruhe Research Center (Germany)
The quality management system of the enterprise is accredited according to the international standard ISO 9001: 2001
The construction of a new modern plant has been completed
Renaming of the company to Tallinna Elektrotehnika Tehas "Estel" AS (AS Tallinn Electrotechnical Plant "Estel")
The industrial safety management system is certified according to the international standard OHSAS 18001
Development and launch of Hybrid diesel power units.
The company was awarded with an AAA rating, the highest in the credit rating classification.
Supply of unique equipment for the Titanium industry.