Basics of Solar Energy:
Introduction to photovoltaic (PV) technology and how solar panels convert sunlight
into electricity.
Overview of solar power systems, including grid-tied and off-grid systems.
Types of solar panels: Monocrystalline, polycrystalline, thin-film, and bifacial
solar panels.
Solar system components: Solar panels, inverters, charge controllers, batteries,
cabling, and mounting systems.
Solar Panel System Layout:
Understanding how solar panels are connected in series and parallel to form a solar
array.
The role of solar inverters in converting DC power to AC power.
Physical Damage:
Cracked or broken panels due to weather, debris, or impact.
Water damage and moisture ingress leading to short circuits.
Burnt or corroded connections.
Electrical Failures:
Low output or no output from solar panels.
Issues with solar inverters: Failure to convert DC to AC or complete shutdown.
Wiring issues: Loose connections, frayed wires, and faulty junction
boxes.
Efficiency Loss:
Reduced panel efficiency due to dirt, shading, or internal degradation.
Issues with charge controllers in off-grid systems.
Battery performance issues in systems with energy storage.
Solar Panels:
Troubleshooting panel output: Measuring output voltage and current.
Diagnosing problems using tools such as multimeters, solar panel testers, and
infrared cameras to check for hot spots or defective cells.
Replacing damaged or broken panels and how to properly uninstall and install
them.
Solar Inverters:
The role of inverters in the solar system.
Identifying and diagnosing common inverter issues: failure to start, voltage errors,
and overheating.
Repairing or replacing capacitors, transformers, and diodes in inverter
circuits.
Using a solar inverter tester to check the output and efficiency of the
inverter.
Charge Controllers:
Understanding the MPPT (Maximum Power Point Tracking) and PWM (Pulse Width
Modulation) charge controllers.
Common issues: overcharging or undercharging batteries, short-circuiting, and
overheating.
Troubleshooting and repairing charge controllers.
Battery Systems (for off-grid systems):
Diagnosing and maintaining solar batteries (e.g., lead-acid, lithium-ion).
Checking battery voltage, current, and capacity.
Replacing batteries and ensuring proper battery management system (BMS)
function.
Wiring and Electrical Components:
Proper wiring techniques for solar systems: How to handle AC and DC wiring
safely.
Electrical safety: Working with high-voltage DC circuits and ensuring proper
grounding.
Repairing and replacing MC4 connectors, junction boxes, and fuses.
Using Multimeters and Clamp Meters:
Learn how to measure voltage, current, and resistance to diagnose problems.
Using solar panel testers to measure the efficiency and output of individual
panels.
Infrared Thermography:
Using infrared cameras to detect hot spots on panels, inverters, or wiring that
indicate failure or degradation.
Measuring System Performance:
Determining if the system is underperforming and pinpointing the cause:shadowing,
dirt, or internal damage.
Testing the performance of the entire system to identify where energy losses
occur.
Inverter Diagnostics:
Identifying error codes or warning signs on inverters and knowing how to interpret
them.
Testing input voltage, output current, and efficiency.
Cleaning Panels:
Proper techniques for cleaning solar panels to remove dirt, dust, and debris
without damaging the surface.
The importance of regular cleaning to maintain panel efficiency.
Monitoring System Performance:
Setting up and configuring remote monitoring systems to track the output of the
solar installation.
Diagnosing issues remotely using data logs to track performance trends and
faults.
Preventing Common Failures:
Shading: Identifying and minimizing shading on solar panels.
Overvoltage/Undervoltage: Protecting inverters and batteries from electrical damage
due to overvoltage or undervoltage situations.
Corrosion prevention: Ensuring all components are protected against corrosion,
particularly for outdoor installations.
Designing a Solar System:
System sizing: Calculating the number of panels, inverters, and batteries required
for a specific load.
Selecting appropriate solar panel and inverter types based on the installation
environment and energy needs.
Installation Best Practices:
Proper mounting and orientation of solar panels for maximum sun exposure.
Ensuring safe and secure electrical connections to avoid failures.
Ensuring proper ventilation around inverters and batteries to prevent overheating.
Working with High-Voltage Systems:
Understanding the risks associated with working on DC circuits that can reach high
voltages.
Using PPE (Personal Protective Equipment) such as insulated gloves, goggles, and
boots.
Proper disconnecting procedures before working on live systems.
Ensuring grounding and earthing of systems to prevent shocks and short
circuits.
Fire Safety:
Identifying and managing potential fire hazards such as overheated panels, inverter
failure, or wiring issues.
Using fire extinguishers rated for electrical fires.
Practical Troubleshooting:
Trainees will work with real-world solar panel systems to diagnose and fix common
faults such as panel damage, inverter failure, and wiring issues.
Hands-on experience in repairing and replacing components such as solar batteries,
connectors, and charge controllers.
Live Repair Sessions:
Learning how to perform actual repairs under supervision.
Using test equipment to analyze the system and pinpoint issues in both residential
and commercial setups.
Starting a Solar Repair Service:
Learn how to start and manage a solar repair business, including customer relations,
pricing strategies, and service contracts.
Certifications and Qualifications:
Some programs offer certifications such as Certified Solar Technician (CST), NABCEP
(North American Board of Certified Energy Practitioners), or manufacturer-specific
certifications for solar panel repairs.
Job Opportunities:
Working for solar installation companies, energy consultants, or in maintenance
teams for large-scale solar farms.
Expanding into residential and commercial solar panel repairs.