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We Offer a Range of Services to Meet Your Needs

HV Design

DESIGN

Our  team have the experience and expertise to design schemes to the latest technical standards to suit all clients’ requirements and budget.

  • Protection & control scheme design

  • Protection relay specification

  • Protection relay setting files and PSL (Programmable Scheme Logic)

  • Interface engineering design to integrate new equipment into existing schemes

  • SCADA systems

  • CAD services

INSTALLATION

Our highly skilled project delivery team can undertake all aspects of mechanical and electrical installation, from cabling works to complete grid and primary substation installations.

  • Substation earthing systems; brazing & exothermic welding

  • Protection & control wiring

  • Cable containment systems

  • HV cable installation, jointing & termination (DNO authorised)

  • All types of switchgear; Air Insulated Switchgear (AIS) & Gas Insulated Switchgear (GIS)

  • Transformers

  • Protection & control panel modifications

  • Bespoke manufacturing of protection & control panels

COMMISSIONING

Our Protection & Control Engineers have been trained to the highest standard and extremely experienced with all protection schemes, using industry leading test equipment from Omicron Electronics, T&R Test Equipment, Megger & Fluke.

  • Current Transformer (CT) & Voltage Transformer (VT) analysis

  • Secondary injection of all protection relays

  • High and low impedance differential schemes (Busbar, Transformer, Line)

  • Distance protection schemes

  • Teleprotection and intertrip schemes

  • Primary injection testing

  • SCADA scheme testing

  • Transformer analysis and SAT testing

  • Switchgear SAT testing

  • Voltage withstand testing

  • Substation battery discharge testing

  • DNO witness for contestable works on grid connections

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SAP PROTECTION

SAP SERVICES

We have a team of highly experienced Senior Authorised Person (SAP) engineers, who are authorised to carry out the controlled and safe operation of high voltage power systems up to 132kV.

© 2025 by HVPE

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