Tests
The following tests are applied as production tests on every transformer produced:
- Voltage (turns) ratio
- Polarity or angular displacement
- No-Load loss and excitation current
- Load loss and impedance voltage
- Dielectric, Applied Voltage and Induced
- Resistance measurement of windings
Additionally every new transformer design is tested for the following Type Tests (design tests)
- Temperature Rise
- Sound level
- Partial discharge (Corona)
- Basic insulation impulse level for HV windings (BIL)
Note:
- Other vector groups for each kVA are available upon request.
- Load Losses are shown with average winding temperatures at 20 C and in brackes at full temperature rise.