Grid Connected Photovoltaic System

1
Grid- Connected Photovoltaic System

• Andrew Bradway
• Lauren Pederson
• Ben Thomas
• Sarah Turse
• Sponsored by Charles Yousif

2
Administrative and Technical Considerations

• Application Procedure
• Required Forms
• MRA and Enemalta
• Time Delays
• Preparation Time
• Preliminary Design
• Location at Residence
• Planning of System

3
Installation Preliminary Tasks

• Frames
• Deburring
• Painting
• PV Modules
• Grouping
• Inspection/Testing
• Preparation
• Drilling
• Assembly

4
Installation Wiring

• Selection
• Sizing of Wires
• Wire Types
• Wire Preparation
• Cutting, Stripping, Soldering
• Weather-Proof Plugs
• Wires to Inverter
• Plastic Insulation Spray

5
Installation Layout

• Electrical Configuration
• 2 Strings in Parallel
• Inverter Location

6
Installation Construction

• Positioning of Frames
• Marking Holes
• Drilling Holes
• Chiseling/Shimming

7
Installation Construction

• Hanging of PV Modules
• Attaching Top Frames
• Attaching Bottom Frames
• Orientation of Modules
• Angle Selection
• Angle Fixation

8
Installation Balance of System Components

• Inverter
• Sunny Boy 1100E
• Data Logger
• Sunny Boy Control Unit
• Circuit Breaker
• 3 Type C Breakers
• Residual Current Circuit Breaker
• Meter

9
Installation Fine Tuning

• Final Testing/ Connection
• Secure Wires
• Silicon Sealant

10
Data Analysis

• Data from May 30th
• Maximum power 1200 W
• Derating and shading

11
Data Analysis

• Efficiency of the Inverter
• Reached 93
• Maintains high efficiency at part and full load

12
Data Analysis

• Final yields of the Mytton Lodge system are
  comparable to that at the Institute for Energy
  Technology

13
Conclusions

• Feasibility
• Recommendations

14
Acknowledgements

• Special thanks to Charles Yousif, the project
  sponsor
• Dr. Tomlin, the owner of the Mytton Lodge
• Malta Resources Authority
• Enemalta Corporation