Scope
- Complete design of a 3.5 MVA, 22 kV/11 kV primary substation.
- System studies, layout development, equipment specifications, protection and control schemes.
- Comprehensive documentation for procurement, construction, and commissioning.
Software
- FactoryTalk
- AutoCAD
- ETAP
Deliverables
- Issued for Construction (IFC) package including Single Line Diagrams (SLDs), detailed electrical schematics, general arrangement drawings, switchyard layouts, earthing and lightning layouts, and cable schedules.
- Protection coordination study with relay settings, grading curves, and interlocking logic.
- Transformer, Power Factor Correction Unit, and HV switchgear technical specifications aligned to IEC and AS/NZS requirements.
- Earthing design report including touch and step voltage calculations and risk mitigation strategies.
- Comprehensive Design Report consolidating all calculations, standards compliance, and design assumptions.
- Lightning protection compliance and calculation.
Outcomes
- Delivered a fully compliant high-voltage substation design ensuring reliable operation at 22 kV/11 kV and a firm capacity of 3.5 MVA.
- Improved operational reliability through optimized protection and redundancy in control systems.
- Enhanced personnel safety through robust earthing design, arc flash mitigation, and standards-driven design.
- Provided a scalable substation framework capable of accommodating future load growth.
- Enabled seamless integration with the client’s existing HV network and SCADA systems, ensuring long-term maintainability and operational efficiency.