26.4MW Solar Farm Project in Victoria

Summary: This utility-scale solar project in Victoria is designed to generate 26.4 MW of clean energy, significantly contributing to the region’s renewable energy goals. It features advanced photovoltaic technology with a total DC capacity of 33 MW and utilizes a single-axis tracking system to maximize energy yield.

Project Highlights:

• Capacity: 26.4AC/ 33DC MW of clean energy generation
• Technology: Bifacial monocrystalline PV modules
• Inverters: 6 central inverters
• PV Modules: Approximately 60,183 PV modules
• Tracking System: Single-axis tracking
• Grid Connection: Connected to the sub-transmission network via a 66 kV radial distribution line, managed by AusNet Services
• Current Status: Under construction

ElectraGlobe’s Scope: ElectraGlobe was responsible for the detailed electrical design of the project, ensuring compliance with Australian and international standards. Our work included:

1. PV Array Configuration:
   • Design of PV module strings and sub-arrays interconnected through DC string cables and combiner boxes.
   • Incorporation of DC combiner boxes and inverter DC bus systems.
   • Layout and blocking plans based on optimal tracker orientation and module placement.
2. DC Reticulation:
   • Detailed design of DC electrical connections from PV modules to combiner boxes and inverters.
   • Analysis and optimization of DC voltage levels and compliance with standards.
   • Detailed cabling design including sizing, voltage drop, and current carrying capacity assessments.
3. Earthing and Lightning Protection:
   • Development of earthing and lightning protection systems in compliance with AS 1768 and IEEE80 standards.
   • Soil resistivity analysis and earthing design to ensure safety and system reliability.
4. MV Cable Design and Reticulation:
   • Medium voltage cable design and reticulation in accordance with relevant codes and standards.
   • Inclusion of MV cable rating studies, layout drawings, and trench profiles.
5. SCADA and Communication Systems:
   • Design of SCADA, protection, control, and communication systems.
   • Coordination with the energy partner to develop weather and soiling station designs.
6. Technical Documentation:
   • Preparation of comprehensive design reports, drawings, and specifications.
   • Ensuring all documentation meets project requirements and industry best practices.