Published
6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV
Notice number: 00633731-2026
KEY INFORMATION
- Submission deadline
- • Jan 15, 2027
- Location
- 🇨🇭 Switzerland
- Contracting authority
- Stadt St.Gallen, Stadtwerke
- Accepted Languages
- German
- Tender type
- Services
- Contract Value
- Published date
- Sep 15, 2026
TENDER DESCRIPTION
The supply including installation and commissioning of six regulating transformers OS 110kV, US switchable 10kV to 20kV, with a rated apparent power of 40MVA ONAN, respectively 50MVA ONAF. In this case, the OS and US windings are permanently loadable with 50MVA. Operation is intended without active cooling up to 40MVA; above 40MVA the regulating transformer must automatically switch on forced cooling. Intended purpose Regulating transformer, with compensation winding Operating mode Continuous operation Design Power transformer with step switch on the primary side, low-voltage switchable from 10kV to 20kV Execution Oil transformer with air bushings on the US and OS sides for outdoor installation respectively twice for indoor installation and with a road-transport-capable design for delivery Expected service life 60 years The supply including installation and commissioning of six regulating transformers OS 110kV, US switchable 10kV to 20kV, with a rated apparent power of 40MVA ONAN, respectively 50MVA ONAF. In this case, the OS and US windings are permanently loadable with 50MVA. Operation is intended without active cooling up to 40MVA; above 40MVA the regulating transformer…
TENDER BRIEF
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