Installation, Testing & Calibration
NABL-traceable testing and calibration of primary and secondary equipment, with reports accepted by utilities and electrical inspectorates.
Testing is where a substation is either proven or quietly left unproven. We carry out the full protocol on primary and secondary equipment: transformer ratio, vector group, magnetising current and tan-delta; breaker timing, contact resistance and insulation; CT and PT ratio, polarity, magnetisation and burden; numerical relay configuration, secondary injection and protection coordination; earth resistance and cable HV testing.
Our instruments carry traceable calibration certificates, and the reports we issue are the ones utilities and electrical inspectorates accept. Where a reading is out of expectation we say so and explain it rather than filing it — an anomaly found during testing is cheap, the same anomaly found after energisation is not.
Testing is not sub-contracted here. The team that erected the equipment is the team that proves it, which is why our engineers can defend any value in the report years later.
Questions we are asked about this
WHAT IS INCLUDED
- Transformer ratio, vector group, magnetising current and tan-delta
- Circuit breaker timing, contact resistance and insulation testing
- CT/PT ratio, polarity, magnetisation and burden verification
- Numerical relay configuration, injection testing and coordination
- Earth resistance, contact resistance and cable HV testing
or call 6280809776