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JST Transformateurs has designed and manufactured all types of power station and generator step-up transformers, three-phase or single-phase, with a voltage of up to 800,000 volts. JST also has extensive experience with phase-shifting transformers, rectifier transformers with large intensities, and transformers for railways.
This expertise has been developed for more than fifty years, and has been based on the experienced feedback from thousands of units already in service, frequent constraining tests on prototypes and head units, as well as mathematical simulations supported by laboratory-validated experiments completed in collaboration with French universities.
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VENEZUELA / Edelca
5 single-phase 1000/3 MVA 765/230/20 kV Autotransformers
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VENEZUELA / Edelca
15 single phase 300/3 MVAr 765 kV Shunt Reactors |
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CANADA
3 single-phase reactors Autotransformers 1110/3 MVA 735/230/12.5 kV
3 single-phase reactances 330/3 MVAr 765 kV |
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CANADA
3 triple-phase reactors Autotransformers 1110/3 MVA 765/230/12.5 kV |
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UNITED STATES
Branchburg substation (2006) :
3 single-phase Autotransformers 292 MVA 500/230/13.8 kV |
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UNITED STATES Browning substation, Arizona (2000) :
2 three-phase Autotransformers 533 MVA 525/230/12.4 kV
Estrella substation, Arizona (2002) :
3 three-phase Autotransformers 598 MVA 525/230/12.4 kV |
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VIETNAM
Miscellaneous substations from 1993 to 2006 :
31 single-phase Autotransformers 450/3 MVA 500/220/35 kV |
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FRANCE
French transport network :
More than 50 600 MVA three-phase Autotransformers, 400/235/20 kV
Short-circuit resistance test carried out in 1983 |
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FRANCE Nuclear power plant :
Step-up transformers: More than 100 single-phase units delivered since 1974 |
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SAUDI ARABIA
Ghazlan II substation (2000) :
5 three-phase step-up Transformers 864 MVA - 23/400 kV
Total weight on site: 406t Main mass: 310t
3 three-phase backup Auxiliary Transformers 128 MVA 380/13.8/13.8 kV |
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FRANCE, LEBANON, MOROCCO
70 70 MVA ODAF cooler, or ONAN/ONAF with load rectifier |
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MOROCCO
70 MVA - 220 kV on the Dar Bouazza station in Morocco for LYDEC |
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FRANCE
36 MVA and 20 MVA ODAF cooling, or ODAN, or ONAN with load rectifier |
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