Railway Line
Railway Line
Railway Line
  • Level A: AC and DC competent engineers for Isolation and Earthing, issuing of HV Permits to Work, Certificates of Isolation, Circuit State Certificates and Sanctions for Test.

  • Level B: AC and DC Competent engineers for HV / LV Switching.

  • Level C and D competent engineers for Substation access and permit accepting.

  • Three Phase / Single Phase competent engineers.

  • Testers in Charge / Lead System Test Engineers

  • System testing capabilities including HV Overhead Line section proving / Short Circuit Testing / Entry into Services of new HV Substation Equipment.

  • VL / VT monitoring to confirm system immunisation.

  • Preparation of switching documentation / commissioning schedules / Strategies /testing documentation.

  • HV / LV Switchgear Testing and Commissioning including:

    • Protection Relay testing – including Schneider, Areva Micom Protection equipment PX20, PX40, PX30 Series , Siemens Siprotec Series, ABB REF protection.

    • Synchronised Injection Testing using GPS linked test equipment;

    • IEC 61850 network testing;

    • HV DC / VLF cable pressure testing,

    • Switchgear AC pressure testing;

    • Contact resistance testing;

    • Switchgear function testing;

    • Earth mat testing;

    • Pilot transfer and testing works;

    • Rectifier testing;

    • HV AC Switchboard testing;

    • DC Switchboard testing;

    • Serial Data bus testing / IEC61850 / Modbus setup and testing;

    • Remote monitoring equipment testing.

  • Expertise in implementing Programmable Scheme Logic / Settings Files for protection relay equipment.

  • Autotransformer / transformer testing HV / LV testing.

  • Supervisory and SCADA commissioning, End to End testing from site to Electrical Control Room.

  • Structure Mounted Outdoor Switchgear (SMOS) testing and commissioning.

  • Motor Operated Switch (MOS) setup and commissioning.

  • National Grid – Person competent engineers.

  • Engineers competent to Controller of Site Safety (COSS) including Overhead Line and Conductor Rail Permit.

  • Experience in the test and commissioning of HV systems interfacing with the National Grid and Network Rail Overhead line Catenary systems.

  • HV and LV Electrical installation technicians and engineers.

  • BS7671 - 17th edition Low Voltage competent testers.