Design of high voltage switchyard & substation earthing systems

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  • Site soil resistivity testing (click to read more), and computer analysis and design using the industry leading software package CDEGS by SES Technologies.
  • Earthing design to achieve safe step and touch potentials in accordance with the Australian substation earthing guides - ENA EG-1 (IEEE Std 80), ENA EG-0, and AS/NZS 2067.
  • High voltage substation earth system testing (click to read more) using low current, off-frequency current injection testing (CIT) methods, with tuned voltmeters to measure step and touch voltages.
  • Earthing and grounding design services for specialised applications, such as large scale solar PV arrays (click to read more), wind turbine generation, including analysis of earth potential rise and lightning transient effects.

Lightning & surge protection design, audits & site inspections

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  • A specialised system design service for the protection of facilities against direct lightning strikes, in accordance with national and international standards.
  • Lightning risk assessment calculations in accordance with AS/NZS 1768 and IEC 62305-2.
  • Application of surge and transient protection to power and communication systems in commercial and industrial facilities.
  • Provision of computer modelled lightning protection designs, and standard compliant design specifications for tender documents.
  • Specialised lightning protection earth system modelling (click to read more) of lightning induced earth potential rise.

Power system load profile analysis & power factor correction design

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  • Power system analysis, including identification of harmful harmonics and power system disturbances.
  • Designs for the installation of LV and HV power factor correction equipment to improve efficiency, reliability and voltage stabilization within the power system.
  • Electricity bill assessment (kW, kVA and kVAr) for cost savings under existing and future electricity tariffs, with recommendations on how to implement savings measures.
  • Calculation of savings in greenhouse gas emissions, due to the reduction in kVA demand achieved by power factor correction.

All services are supported by professional engineers with CPEng and RPEQ status.