To ensure the smooth installation of photovoltaic system brackets and meet design requirements, Guidance Method For The Installation Of PV System Brackets are provided, including ground-mounted, rooftop, adjustable tilt angle, floating, Building-Integrated Photovoltaics (BIPV), bifacial, and tracking systems.
1. Ground-Mounted Bracket Installation
Installation Steps:
1.1 Preparation:
- Measure and plan the layout of the photovoltaic array.
- Prepare materials such as columns, beams, fasteners, and cables.
- Gather tools like drills, screwdrivers, levels, and tape measures.
1.2 Foundation Construction:
- Install piles or pour concrete foundations based on soil conditions.
- Ensure the foundation depth is at least 1 meter.
- Use concrete with a strength grade of C20 or higher.
1.3 Bracket Assembly:
- Install columns vertically using a level and secure them to the foundation.
- Attach beams to the columns and ensure they are level.
- Fix photovoltaic panels to the beams using fasteners.
1.4 Photovoltaic Panel Installation:
- Position panels according to design specifications.
- Secure panels to the beams with specialized clamps or fasteners.
- Verify that panels are securely installed with no looseness.
Technical Parameters:
- Column specifications: 60mm diameter, 3mm thickness, 2m height.
- Beam specifications: 2m length, 50mm width, 3mm thickness.
- Foundation size: 0.5m diameter, 1m depth.
- Number of panels per row: 10.
- Tilt angle: Adjusted based on latitude, typically latitude +10°.
2. Rooftop Bracket Installation
Installation Steps:
2.1 Preparation:
- Inspect the roof to ensure it can support the photovoltaic system’s weight.
- Design the layout of the photovoltaic panels based on roof area and shape.
- Prepare materials such as rails and fasteners.
2.2 Bracket Installation:
- Secure rails in place using a level to ensure they are parallel and horizontal.
- Fix the rails to the roof with specialized fasteners.
- Attach photovoltaic panels to the rails.
2.3 Electrical Connection:
- Lay cables to connect the photovoltaic panels.
- Install junction boxes and connect cables from the panels.
- Ensure proper grounding of the photovoltaic system.
Technical Parameters:
- Rail specifications: 2m length, 50mm width, 3mm thickness.
- Fastener type: Aluminum alloy clamps.
- Number of panels per row: 8.
- Tilt angle: Adjusted based on roof slope, typically 15° to 30°.
- Cable specifications: Photovoltaic cable, 4mm² cross-sectional area.
3. Adjustable Tilt Angle Bracket Installation
Installation Steps:
3.1 Preparation:
- Measure and plan the layout of the photovoltaic array.
- Prepare materials such as columns, beams, and fasteners.
- Gather tools like drills, screwdrivers, levels, and tape measures.
3.2 Bracket Assembly:
- Install columns vertically using a level and secure them to the foundation.
- Attach beams to the columns and ensure they are level.
- Install adjustable tilt mechanisms to allow angle adjustments.
3.3 Photovoltaic Panel Installation:
- Position panels according to design specifications.
- Secure panels to the beams with specialized clamps or fasteners.
- Adjust the tilt angle based on seasonal changes or sun angles.
Technical Parameters:
- Column specifications: 60mm diameter, 3mm thickness, 2m height.
- Beam specifications: 2m length, 50mm width, 3mm thickness.
- Foundation size: 0.5m diameter, 1m depth.
- Number of panels per row: 10.
- Tilt angle range: 0° to 60°, adjusted seasonally.
4. Floating Photovoltaic System
Installation Steps:
4.1 Preparation:
- Assess the water surface for lighting conditions, water flow, and water quality.
- Design the layout of the photovoltaic array based on water area and lighting conditions.
- Prepare materials such as floats, connectors, and cables.
4.2 Float Installation:
- Assemble float modules into a whole to ensure stability and load-bearing capacity.
- Secure floats to the bottom of the water using ropes or anchor chains to prevent drifting.
4.3 Photovoltaic Panel Installation:
- Fix photovoltaic panels securely to the floats.
- Lay cables from the floats to the shore and connect them to inverters and other equipment.
Technical Parameters:
- Float material: High-density polyethylene (HDPE).
- Float size: 2m length, 1m width, 0.1m thickness.
- Number of panels per float unit: 5.
- Fixing method: High-strength nylon ropes, secured every 5 meters.
- Cable specifications: Waterproof photovoltaic cable, 6mm² cross-sectional area.
5. Building-Integrated Photovoltaics (BIPV)
Installation Steps:
5.1 Preparation:
- Collaborate with architects to integrate photovoltaic panels into building design.
- Prepare customized photovoltaic panels and connectors.
- Gather tools like drills and screwdrivers.
5.2 Bracket Installation:
- Secure brackets to the building structure on walls or roofs.
- Install connectors to fix photovoltaic panels to the brackets.
5.3 Photovoltaic Panel Installation:
- Position panels according to design drawings.
- Fix panels to the brackets with specialized clamps or fasteners.
- Connect cables to link panels with inverters and other equipment.
Technical Parameters:
- Panel specifications: 1m length, 0.5m width, 0.05m thickness.
- Panel power: 250W per panel.
- Bracket material: Stainless steel.
- Fixing method: Stainless steel screws.
- Cable specifications: Building-use photovoltaic cable, 4mm² cross-sectional area.
6. Bifacial Photovoltaic System
Installation Steps:
6.1 Preparation:
- Assess the site for lighting conditions and reflectivity.
- Design the layout of the photovoltaic array based on lighting conditions.
- Prepare materials such as bifacial photovoltaic panels and brackets.
6.2 Bracket Installation:
- Fix columns vertically to the foundation.
- Install beams and connect them to the columns to ensure they are level.
6.3 Photovoltaic Panel Installation:
- Position panels according to design requirements.
- Secure panels to the beams with specialized clamps or fasteners.
- Adjust the tilt angle based on lighting conditions.
Technical Parameters:
- Panel specifications: 1.6m length, 0.8m width, 0.05m thickness.
- Panel power: 300W per panel.
- Tilt angle range: 15° to 45°.
- Column specifications: 70mm diameter, 4mm thickness, 2.5m height.
- Beam specifications: 2m length, 60mm width, 4mm thickness.
7. Tracking Photovoltaic System
Installation Steps:
7.1 Preparation:
- Assess the site for lighting conditions and geographical orientation.
- Design the layout of the photovoltaic array based on lighting conditions.
- Prepare materials such as photovoltaic panels, trackers, and motors.
7.2 Tracker Installation:
- Fix columns vertically to the foundation.
- Install trackers and secure them to the columns.
- Connect motors to drive the trackers.
7.3 Photovoltaic Panel Installation:
- Position panels according to design requirements.
- Fix panels to the trackers with specialized clamps or fasteners.
- Adjust the tilt angle based on lighting conditions.
Technical Parameters:
- Panel specifications: 2m length, 1m width, 0.05m thickness.
- Panel power: 400W per panel.
- Tracking method: Single-axis or dual-axis tracking.
- Column specifications: 80mm diameter, 5mm thickness, 3m height.
- Motor specifications: 50W power, 5Nm torque.
By following these detailed guidelines, photovoltaic projects can ensure the successful installation and long-term performance of various types of photovoltaic system brackets.
