TET ESTEL produces high-voltage frequency converters for electric motors since 1972. Today, Company designs and manufactures inverters
and soft starters for high-voltage asynchronous and synchronous engines as well as for asynchronous motors with slip-ring phase rotors.
During years of its activity TET ESTEL has delivered more than 2,000 pieces of equipment for such industries as mining and processing industry,
energy, housing and communal services and so forth all over the world.