Services

At Compass HV Services Ltd we strive to meet the needs of our clients by delivering a professional service that fulfils the customers’ requirements.

We provide a comprehensive commissioning service, delivering engineering solutions.

Our Commissioning Services Include:

  • High Voltage AC and DC pressure testing
  • Primary Injection
  • Secondary Injection

  • Millivolt Resistance testing
  • G99 Protection testing (to relevant standards)
  • Full range of transformer protection testing
  • Switchgear function and control testing
  • SCADA interface testing

Accelerated Loss of Mains Change programme (ALoMCP):

The ALoMCP is an industry programme that was launched by National Grid ESO in collaboration with UK Distribution Network Operators in October 2019. The purpose of the programme is, to prove funding support to network generation assets, who need to make changes to their Loss of Mains (LoM) protection, in order to remain compliant with the current version of EREC G59/3-7.

Owners of generation equipment have until 31st August 2022 to update their protection settings in order to comply with the requirements

  • ENA Registered Contractor
  • DNO Approved
  • Completed ENA Proforma/delivery Assurance policy
  • Time/Date Stamped Evidence
  • Site Surveys / Asset data Collection
  • Relay Upgrade/Product Supply

Our Network Protection Services Include:

  • Protection Maintenance covering all protection relays/functions
  • Inter-tripping Schemes
  • Auto reclose schemes
  • Auto changeover schemes
  • G99/G59 protection
  • Generator Control schemes

Network Design Services Include:

  • Network co-ordination/protection surveys
  • Network fault level studies
  • Generation of protection relay settings files
  • Design of programmable scheme logic files (PSL’s)

In House Test Equipment:

All of the above is carried out using the following test equipment

  • Sverker 900 - 3 phase Current & voltage injection test set
  • KoCoS Artes- 3ph Current & voltage injection test set with touch screen
  • ADM-200P 200A secondary injection test set
  • ADM 100 100A secondary injection test set and filter unit
  • DVS 3 - 3 phase voltage injection test set
  • ADM 750A - Primary injection test set
  • 70kV AC Pressure test set
  • Digital Multimeters
  • 5kV Insulation Resistance testers
  • 1kV Insulation Resistance testers
  • 10A – Millivolt Resistance test set
  • Clamp meters
  • Clip on ammeters

All engineers carry laptops with associated relay communications software for various types of protection relays. All equipment is periodically calibrated. Calibration certificates are available upon request.

PROFESSIONAL ACCREDITATIONS