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Testing, Commissioning & Maintenance

High Voltage Commissioning

Techcorp services provides testing and commissioning of new electrical install’s and preventive maintenance of new and existing electrical assets.

We aim to provide our customers with a quality & personal service at a competitive rate, ensuring our clients expectations are met above and beyond. We pride ourselves on delivering a high quality personal service ensuring the same personal return to site every time.

Techcorp services has the resources and personnel to carry out maintenance and commissioning on following assets:

  • HV & LV Switchboards
  • HV Switchyards
  • Secondary Injection of Protection Relays
  • Calibration of Transducers
  • Primary Injection of Current Transformers
  • Insulation Resistance Testing
  • Earth Grid Testing
  • Contact Resistance Testing
  • High End Transformer Testing
  • Cable Testing
  • Automatic Voltage Regulator Testing
  • Circuit Breaker Testing
  • Thermographics
  • Insulating Oil Testing & Analysis
Services

Our testing, commissioning and maintenance services include the following (but are not limited to):

PROTECTION RELAY TESTING
  • Software & firmware programming
  • Settings & secondary injection
  • Protection scheme testing
EARTH TESTING
  • Grid testing
  • Earth stake testing
  • Step & touch potential testing
  • Earth potential rise testing
CONTACT RESISTANCE
  • Circuit breakers
  • Earth switches
  • Isolations
  • Connections
VOLTAGE TRANSFORMERS
  • Polarity checks
  • Insulation resistance
  • Ratio checks
CURRENT TRANSFORMER TESTING
  • Primary injection
  • Ratio checks
  • Magnetising curves
  • Burden
  • Polarity checks
  • DC resistance
POWER TRANSFORMERS
  • Winding ratio checks
  • Winding resistance tests
  • Insulation resistance
  • Dielectric loss angle testing
  • Oil analysis testing (DGA)
  • Dielectric response analysis
  • Sweep frequency analysis
INSULATION RESISTANCE TESTS
  • Polarisation index
  • Insulation resistance
SWITCHBOARD & SWITCHGEAR
  • Ductor contact resistance tests
  • Insulation resistance
  • Partial discharge testing
  • Hipot/withstand testing
  • Circuit breaker timing testing