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;
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.