CDR Sample for Electrical Engineers

This project was undertaken during the author’s Bachelor’s degree in Electrical Engineering. The responsibilities included:

• Designing automated lighting systems using programmable logic controllers (PLCs) and microcontrollers.
  
• Developing circuit diagrams and schematics using software such as AutoCAD Electrical and MATLAB Simulink.
  
• Programming embedded systems for sensor-based light intensity control.
  
• Conducting load calculations and ensuring compliance with electrical safety standards (AS/NZS 3000).
  
• Testing and troubleshooting the system prototype in a laboratory environment.
  
• Coordinating with the electronics and software teams to integrate control algorithms effectively.

• Skills & Technologies Demonstrated:

• • Software: AutoCAD Electrical, MATLAB/Simulink, PLC Programming Software (e.g., TIA Portal, RSLogix), Altium Designer.
  • Standards & Frameworks: AS/NZS 3000 (Wiring Rules), IEC 61131 (PLC Programming Standard), Building Automation and Control Networks (BACnet) protocol.
  • Competencies: PLC & Microcontroller Programming, Embedded Systems Design, Circuit & Schematic Design, Load Calculation, System Integration, Prototyping & Laboratory Testing, Troubleshooting.

This career episode describes the skills applied during a 6-month industrial training program focusing on upgrading existing electrical infrastructure. Key duties included:

• Conducting site surveys and load assessments to evaluate the current power distribution system.
  
• Designing upgraded electrical distribution layouts compliant with local codes and standards.
  
• Selecting appropriate transformers, switchgear, and protection devices to enhance system reliability.
  
• Using ETAP software for load flow and fault analysis to optimise system performance.
  
• Supervising installation and commissioning activities on-site, ensuring safety and quality compliance.
  
• Preparing technical reports and documentation for client approval and regulatory submission.

• Skills & Technologies Demonstrated:

• • Software: ETAP, PowerFactory, AutoCAD Electrical, DIALux (for lighting load analysis)
  • Standards & Frameworks: AS/NZS 3000 (Wiring Rules), AS/NZS 3008 (Cable Selection), National Electricity Rules (NER), IEC 60947 (Low-voltage Switchgear).
  • Competencies: Load Flow & Fault Analysis, Power System Design & Layout, Site Survey & Load Assessment, Equipment Selection & Sizing (Transformers, Switchgear), Project Supervision & Commissioning, Technical Documentation.

In this career episode, the author details their role in a consultancy project involving the design of a microgrid integrating solar and battery storage systems. Responsibilities comprised:

• Conducting feasibility studies and energy demand analysis for the target site.
  
• Designing the microgrid architecture using software such as HOMER and PVSyst.
  
• Calculating load profiles and sizing photovoltaic panels and battery banks.
  
• Developing control strategies for energy management and grid synchronisation.
  
• Coordinating system integration and performing performance testing under various conditions.
  
• Preparing detailed engineering drawings, bill of materials, and cost estimates.
  
• Advising on safety protocols and environmental compliance for renewable installations.

• Skills & Technologies Demonstrated:

• • Software: HOMER Pro, PVSyst, Helioscope, ETAP
  • Standards & Frameworks: AS/NZS 5033 (Solar Panel Installation), AS/NZS 4777 (Grid Connection of Inverters), AS/NZS 5139 (Battery Storage Systems), Clean Energy Council (CEC) Guidelines.
  • Competencies: Renewable Energy Feasibility Studies, Microgrid Architecture Design, PV System & Battery Sizing, Energy Management & Control Strategy, Grid Integration & Synchronisation, Performance Testing, Bill of Materials (BOM) & Cost Estimation.