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HV Cable Designer

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Key responsibilities and accountabilities:
  • Provide input into cable routing feasibility and detailed design studies working with other members of the Team, taking local planning, traffic management and client requirements into account, while developing the most economical cable system design
  • Prepare cable system design calculation including cable sizing assessments, earthing and interface studies.
  • Engage with clients to understand project requirements and ensure that the technical scope of projects is met.
  • Producing design concepts, specifications, and other technical documents. Including relaying design information to internal drafting resource.
  • Attending sites for inspection and design purposes.
  • Work closely with cross-functional teams to integrate HV cable designs seamlessly into larger projects.

Qualifications and Experience:
  • Degree – Electrical Engineering or an equivalent qualification(s) and/or relevant experience in a related field.
  • Competent in using CYMCAP or similar software
  • Knowledge of AutoCAD/MicroStation (Desirable)
  • Demonstrable technical skills in Transmission voltage level underground cable systems development, design and specification or demonstrable transferable skills and experience.
  • Excellent communication skills, with the ability to demonstrate diligence and to prioritise workload.
Driffield, Hessle, Derby, Whyteleafe, Tadcaster, Belfast, Caerphilly

Understanding Electrical Standards and Regulations
BSEN/IEC Standards: Familiarity with British and International Electrotechnical Commission standards, ensuring designs meet international safety and performance criteria.
National Grid/DNO/ENA Standards: Knowledge of standards set by the National Grid, Distribution Network Operators, and the Energy Networks Association, which govern the design and operation of electrical systems in the UK.

Cable Sizing Calculations
Load Calculation: Determining the electrical load the cable must carry and selecting the appropriate size to handle the load without overheating or causing voltage drops.
Thermal Analysis: Calculating the heat generated in the cables and ensuring it remains within safe limits. This includes understanding thermal resistivity of soil and ambient temperature impacts.

Earthing and Grounding
Earthing System Design: Designing systems to ensure safe dissipation of fault currents into the ground, protecting both equipment and personnel.
Ground Potential Rise (GPR): Analyzing the rise in ground potential during fault conditions and ensuring it remains within safe limits.

Joel Rawlingson

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