Tortech offers a range of custom single and three phase isolated transformers. We are capable of designs dry type three phase power transformers up to 2.5MVA and 33kV ratings, Current and Voltage Transformers at MV and HV ratings and Single Phase Toroidal Transformers up to 10kVA ratings. Select from the range below for further details. If you require a design & quotation, see here.
Item 1 – Cast Resin type Isolation Transformer | HV Winding 1 | LV Winding 1 | LV Winding 2 | |
Rated power | kVA | 315 | 1250 | 1250 |
Rated voltage | kV | 33 | 0.48 | 0.48 |
Frequency | Hz | 50 | ||
Off circuit tapping links | % | ±2.5%, +-5% | Nil | Nil |
Connection | Delta | Star | Star | |
Vector group | Dy11y11 | |||
Insulation level (Maximum BIL/AC) | kV | 150/70 | 10/3 | 10/3 |
Winding material | Aluminium cast windings in quartz filled self-extinguishing epoxy resin | Aluminium cast windings in quartz filled self-extinguishing epoxy resin | Aluminium cast windings in quartz filled self-extinguishing epoxy resin | |
Type of winding | Vacuum Resin Cast | Vacuum Resin cast | Vacuum Resin cast | |
Standard | AS 60076-11, AS 2374 | |||
Installation | Indoor | |||
Degree of protection | IP22 | |||
Type of cooling | AN/AF | |||
Installation altitude | < 1000 a.m.s.l | |||
Climatic/environmental And fire behaviour class | E2-C2-F1 | |||
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