Zaporozhtransformator (ZTR) Public Joint Stock Company, formerly - Zaporozhye Transformer Plant, is an enterprise specializing in design and manufacturing of oil-filled power transformers, shunt reactors and controlled shunt reactors, with production facilities located in Zaporozhye, Ukraine.
- The company was esteblished in 1947 as Zaporozhye Transformer Plant for providing USSR booming electricity industry with High Voltage (10kV - 1150 kV) power transformers. In 1994, due to privatization process, the enterprise became Zaporozhtransformator Joint Stock Company. In 2001 ZTR became a part of financial and industrial group "Energy Standard Group".
- ZTR production capacity - 60 000 MVA per annum.
- Total plant area - 700 000 sq.m., production area - 230 000 sq. m.
- Historical production output maximum – 70 000 MVA p.a. was reached in 1988.
- 564 transformers with total capacity 50 300 MVA were produced in 2012.
- Management System is certified for correspondence to International standards ISO 9001:2008, ISO 14001:2004, OHSAS 18001:2007.
- ZTR geography of supply makes 86 countries worldwide (2013).
- The company has representative offices in Moscow (Russia) and Almaty (Kazakhstan).
ZTR-ENESTA Handelsgesellschaft m.b.H., Linz, Austirs, a joint-venture between Voest Alpina Intertrading Aktiengesellschaft and ZAPOROZHTRANSFORMATOR PJSC, is selling power transformers to utilities, industrial users and EPC contractors worldwide.
- 1947 – Commencement of construction of Zaporozhye transformer factory
- 1949 – Production of the first transformer 1000 kVA 10 kV
- 1955 – 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, Volgograd – Donbas
- 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 Krasnoyarskaya Hydro Electric Power Station (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 (HVDC Ekibastuz–Centre)
- 1977 - Production of 100000-th transformer stating from the company startup, namely three-phase transformer 1 000 MVA, 330 kV for CCPP 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 Leningrad NPP;
- 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, of shunt reactor 120 MVAr, 800 kV, of three-phase controlled shunt reactor 100 MVAr, 220 kV of fundamentally new design;
- Production and supply of the 15 power transformers and autotransformers to Boguchanskaya Hydro Power Plant, Russia
- Production of the first single-phase autotransformers 267 MVA, 400/230 kV, having transverse regulation in 220 kV line for Bulgaria
- Production and commissioning of the controlled shunt reactor rated for power 180 MVAr, 330 kV
- Setting-up of representative offices in Moscow (Russia), Almaty (Kazakhstan) (2003,2005)
- Production of phase-shifting transformer 400 MVA, 220 kV for Kazakhstan
- Large-scale modernization of the production and testing facilities was carried out. The volume of investments in renovation exceeded $80 mil.;
Fields of products application
- Power Generation Plants
- Heat (CCPP)
- Nuclear (NPP)
- Transmission grids
- 110–765 kV substations
- Distribution networks
- 35–150 kV substations
On 26 June 1966 Soviet Union Government awarded Zaporozhye Transformer Plant the Order of the Red Banner of Labour for "Early fulfilment of 7-Year Plan and increasing of production output".