ZTR history

• Commencement of construction of Zaporozhye transformer factory

• Production of the first transformer TM – 1000/10

• Production of the first single-phase transformers rated for voltage 400 kV and power 90 MVA for transmission line of HPP Kuybishevskaya, Moscow

• Production of series of 250 MVA autotransformers rated for power up to and the transformers up to 400 MVA, 330 kV

• Production of the first three-phase autotransformer 250 MVA, 500 kV, equipped with in-built on-load tap changer;
• Production of the first converter transformer 90 MVA for DC transmission line ± 400 kV, Stalingrad – Donets Basin

• Production of the world-first single-phase autotransformer rated for voltage class 750 kV, 417 MVA, 750/500 kV for experimental transmission line Konakovo–Moscow

• Production of transformers 206 MVA, 500 kV and autotransformers 167 MVA, 500/220 kV for Aswan hydraulic complex (Egypt)
• Production of high-capacity power transformer 630 MVA, 220 kV for HPP Krasnoyarskaya (Russia)

• Production of experimental transformer 210 MVA, 1140 kV for AC transmission line 1200 kV;
• Production of autotransformer 267 MVA, 500/220 kV equipped with on-load tap changer in 220 kV line

• Production of transformer rated for 1000 MVA, 330 kV for operation as a unit with generator 800 thsd. kW at CPP Slavyanskaya, (Ukraine)

• Production of three-phase autotransformer 560 MVA, 330/110 kV for substation “Coventry”, (USA);
• Production of single-phase autotransformers for industrial transmission lines rated for new voltage class 750 kV: 333 MVA, 750/330 kV and 417 MVA, 750/500 kV

• Production of the first converter transformer 175 MVA as well as the first smoothing reactor 1200 А, 4 Gn for DC transmission line ±750 kV, Ekibastuz-Centre

• Production of 100000-th transformer stating from the company startup, namely three-phase transformer 1 000 MVA, 330 kV for CPP Uglegorskaya, (Ukraine);
• Development and introduction of unified series of single-phase on-load tap changers for the main network transformers rated for power 63–250 MVA;
• Production of super-power three-phase transformer 1250 MVA, 330 kV for NPP Uzhnoukrainskaya

• Production of autotransformer 667 MVA, 1150/500 kV;
• Production of single-phase step-up transformers 417 MVA, 750 kV for 1000 MW units at NPP Leningradskaya;
• Production of single-phase step-up transformers 533 MVA, 500 kV (three-phase bank capacity is 1 600 MVA) purposed for operation in unit with two generators rated for 640 MW each, HPP Sayano-Shushenskaya (Russia), as well as for thermal power plants – with generators 1 200 MW

• Production of transformer rated for power 1 000 MVA, 500 kV, purposed for operation in unit 800 MW at CPP Ryazanskaya, (Russia)

• Development of equipment complex for DC transmission line 1500 kV: converter transformers 320 MVA rated for voltage ±400 and ±750 kV, equipped with power winding 500 kV

• Production of single-phase unit transformer 417 MVA, 1150 kV

• Production and successful testing as for short-circuit stability of step-up transformers: single-phase unit 333 MVA, 750 kV and three-phase unit 666 MVA, 500 kV

• ZTR reached a historical maximum of annual production output exceeding the figure of 70 000 MVA

• Implementation of quality management system corresponding to ISO 9001 standard

• Production of single-phase shunt reactors 110 MVAr for transmission line 750 kV, (Ukraine), as well as shunt reactors 33.3 MVAr, 400 and 500 kV (Egypt)

• Production of the first three-phase controlled shunt reactor 25 MVAr, 110 kV;

• Single-phase transformer 62,5 MVA, 163 kV and three-phase transformer 63 MVA, 154 kV were successfully tested for dynamic stability in test center KEMA (the Netherlands)

• Development and production of control and monitoring systems;
• Production of single-phase autotransformer 500 MVA, 765/345 kV with voltage regulation in 345 kV line, and of shunt reactor 120 MVAr, 800 kV

• Production of three-phase controlled reactor 100 MVAr, 220 kV of fundamentally new design;
• Production of the first single-phase autotransformers 267 MVA, 400/230 kV, having transverse regulation in 220 kV line for Bulgaria

• Production and successful commissioning of the controlled shunt reactor rated for power 180 MVAr, 330 kV

• Setting-up of representative office in Moscow, Russia

• Setting-up of representative office in Almaty (Kazakhstan)

• Production of phase-shifting transformer 400 MVA, 220 kV

• Resetification of quality management system in correspondence with ISO 9001:2008

• ZTR management system was certified on conformity with ISO 14001:2004 and OHSAS 18001:2007 standards

• ZTR welding production was certified for compliance with ISO 3834-2:2005 standard

• Large-scale modernization of the production and testing facilities was carried out. The volume of investments in renovation exceeded $80 mil.;
• ZTR entered the new markets of Americas, Western Europe, Asia and Africa: Venezuela, USA, Spain, India, Guatemala

2013

• ZTR supplied transformer equipment for geothermal power stations in Kenya, which became the 86-th country in reference list of the company

• ZTR test laboratory was certified on conformity with DSTU ISO/IEC 17025:2006 (ISO/IEC 17025:2005) “General Requirements to Competence of Testing and Calibration Laboratories”.

• Saudi Arabia became 87-th country in ZTR reference-list.

• Quality management system was certified for compliance with standard ISO 9001:2015/
• ZTR supplied controlled shunr reactor to Republic of South Africa, which became the 88-th counry of supply.