Factory Acceptance Testing
Performing and witnessing after manufacture HV and Offline PD testing as part of routine and type test programs.
Installation and Commissioning
Monitored HV withstand testing to detect transport damage and ensure installation integrity during site acceptance tests.
Operation and Maintenance
Routine and after repair On-line and Offline testing to detect insulation degradation in operating equipment.
Test Capabilities
- On-line PD testing and monitoring
- On-line PD testing and monitoring with pre-installed couplers: HFCT, Rogowski Coil, 80 pF coupling capacitors
- VLF (0.1 Hz sinusoidal) up to 42 kV (RMS) / 60 kV (peak) with PD and Tan Delta
- Resonant test (15 – 400 Hz) up to 15 kV with PD and Tan Delta/Power Factor
- DC HiPot up to 60 kV
- Insulation Resistance 10 kV
- DC Winding Resistance
- Pole Drop Test
- Polarisation Index
- MCSA
Test Standards
- IEC TS 60034-27-2:2012 Rotating electrical machines - Part 27-2: On-line partial discharge measurements on the stator winding insulation of rotating electrical machines
- IEC 60034-27-1:2017 Rotating electrical machines - Part 27-1: Off-line partial discharge measurements on the winding insulation
- IEC 60034-27-3:2015 Rotating electrical machines - Part 27-3: Dielectric dissipation factor measurement on stator winding insulation of rotating electrical machines
- IEC TS 62478:2016 High voltage test techniques - Measurement of partial discharges by electromagnetic and acoustic methods
