Siemens AG Österreich Transformers Weiz. Reference for Autotransformer. Autotransformer. Customer National Grid, UK

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1 Reference for Autotransformer National Grid, UK Tilbury SGT Delivery MVA, three-phase AUT 403/132/14 kv 100% first pass yield Autotransformer 45 units to several SGT of NG in the past 12 years and further 2 in order Page 27

2 Reference for Generator Step Up Transformer Westar Energy Inc., USA Rapid Recovery EHV Delivery 2016 Special 133,30 MVA, single-phase SPT 345/230, 345/138, 345/115, 230/138, 230/115, TW 14.4kV Mineral oil unit All electrical connections are plug in components Modular design TW Delta realized by external cables TW utilized for self contained power supply via auxiliary transformer LV 138/115kV alternative connections to grid by cable Page 28

3 Reference for Generator Step Up Transformer EDF, France Generator Step-Up Transformer Cattenom, Creil and Paluel Power Plant Delivery MVA, single-phase GSU 405/20 kv Short circuit test on model transformer Replacement of old transformer under very limited space and timely conditions 11 units in the past 7 years and further 3 in order Page 29

4 Reference for Generator Step Up Transformer Generator Step-Up Transformer ESKOM, South Africa Medupi, Kendal Power Station and others 20 units delivered and 1 in order 910 MVA, three-phase GSU 420 kv Highest 3ph rating 50 Hz built up to now Page 30

5 Reference for Phase Shifting Transformer Phase Shifting Transformer Consolidated Edison of New York, USA Ramapo Substation Delivered 2014 and 1 further unit under manufacturing 575 MVA, three-phase PST 345 kv Low Noise GIC- with standability tested up to 150 A DC 1 further unit in order with bulletproof recovery Page 31

6 Reference for Shunt Reactor Dong Energy Windpower A/S, UK Hornsea Offshore Windfarm Delivery MVAr, three-phase SHR 220 kv Offshore Online gas monitoring Shunt Reactor Page 32

7 Reference for Autotransformer Beatrice Offshore Ltd., UK Blackhilock Substation Delivery 2017 Autotransformer 320 MVA, three-phase AUT 400 kv Equipped with DC compensation Page 33

8 Reference for Autotransformer Exelon ComEd, USA Ridgeland Delivery 2015 Autotransformer 336 MVA, three-phase AUT 330/138/33 kv 4000th Power Transformer unit 11 units since 2013 to several Exelon ComEd Substations and further 1 under manufacturing Page 34

9 Reference for Shunt Reactor Statnett SF, Norway Shunt Reactor Bardufoss & Ofoten Delivery (2 units) 150 MVAr, three-phase SHR 420 kv Regulating range MVAr Very low PD values measured during FAT 6 units are delivered since 2013 to various Statnett SS Page 35

10 Reference for Generator Step Up Transformer Generator Step-Up Transformer Detroit Edison, USA NPP Enrico Fermi Delivery MVA, three-phase GSU 345/17.3/21.1/24.8 kv Multiple Spare Unit, fits 9 different generating stations Bullet Resistant Design, protected against high-powered ballistics (Protection Level VPAM Class 9) Tank mounted panels protecting tank, turrets, cooling equipment and conservator Sliding panels allowing easy maintenance Page 36

11 Reference for Phase Shifting Transformer Phase Shifting Transformer San Diego Gas and Electric, USA Imperial Valley Substation 2 units delivery in MVA, three-phase PST 230/230 kv Phase Angle -80/+31 in -16/+48 steps 2 tanks ~ 815 t totally assembled Page 37

12 Reference for Phase Shifting Transformer PSE, Poland Mikulowa Substation Delivery 4 units since MVA, three-phase PST 410 kv Dual Tank Phase Shifting Transformer Page 38

13 Reference for Shunt Reactor American Electric Power, USA Dumont Substation Delivery since MVAr SHR 765/ 3 kv ONAN Low Loss Design Full Type Tests Shunt Reactor 68 units in the past 12 years to several AEP Substations and 3 under manufacturing Page 39