Non-Intrusive Operational Switchgear and Substation Assessments

powernetRJ Power North offer a non-intrusive assessment service for operational switchgear and substations. The Networks team can provide regular inspection of substations and substation equipment without any power interruptions.

Our services include and are not limited to:

  • Partial discharge testing of HV equipment
  • Battery charger and DC system inspection and test
  • Substation integrity checks
  • Substation earth terminal inspection and test
  • Thermographic studies
  • Transformer insulating oil sampling to comply with British standards for oil quality (DGA/Moisture/Acidity/Fibre/FFA/Electrical Strength)
  • Load monitoring and power quality studies

All services conform to and include:

  • BS 6626 2010 – Maintenance of Electrical Switchgear and Control Gear for Voltages above 1kV and up to and including 36kV
  • BS 6423 2014 – Codes of practice for maintenance of Low Voltage switchgear and control gear
  • The Electricity at Work Regulations 1989 (EAWR)
  • Health and Safety at Work Act 1974 (the HSW act)
  • Management of Health and Safety at Work Regulations 1999 (the Management Regulations)
  • Reference HSG230 – Keeping Electrical Switchgear Safe



RJ Power North Limited
Unit 8 Forest Business Park
YO19 4RH
01904 238256
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