How to Maintain a Solar Power System: Enhancing Efficiency and Extending Lifespan

How to Maintain a Solar Power System Enhancing Efficiency and Extending Lifespan

As a provider of EPC general contractor solutions and O&M solutions for many years, we understand the continuous change of technology in solar power systems. This brings many challenges and requires operators to continuously update their knowledge to ensure operational efficiency.

Therefore, optimizing the O&M operation of the rooftop solar power system   is extremely important to help the power output always reach high efficiency and help you control problems and ensure the longevity of the system.

Below is an article sharing experiences on how to maintain solar power systems that VREnergy has applied in many projects. Let’s refer to offline!

Why is solar power system maintenance important?

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Solar power system maintenance is an important activity that helps ensure performance and prolong the life of the system.

Guaranteed performance

During operation, the solar power system can be affected by environmental factors such as dust, dirt, rain, wind, heat, etc. These factors can reduce the system’s electricity production efficiency. Regular system maintenance will help remove dust, check equipment, wires, etc. to promptly detect and fix potential problems, helping the system operate more stably and effectively.

Extends system life

Equipment in a solar power system has an average lifespan of 25 – 32 years. However, without regular maintenance, the system’s lifespan can be reduced. System maintenance will help devices operate in the best environment, minimize the impact of environmental factors, and help extend the life of the system.

So what are the specific ways to maintain the solar power system?

Step 1: Check the system periodically

Regular system checks are the most important step in solar power system maintenance. Periodic inspection will help detect and promptly fix potential problems, helping the system operate effectively and sustainably.

Check the condition of the parts

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The first step to check is the condition of the system’s components, including:

  • Solar panels: Check to see if the surface of the panel is covered with dirt, leaves, etc. If there is, it needs to be cleaned.
  • Inverter: Check if the inverter is operating stably. If there is a problem, contact the supplier or installation unit for support.
  • Wiring system: Check to see if the wiring system is damaged, open circuit, etc. If so, it needs repair or replacement.
  • Safety system: Check if the system’s safety system is working properly. If there is a problem, it needs to be fixed immediately to ensure safety.

Check the performance of the solar panel

Testing solar panel performance is an important step to ensure the system is running efficiently. Solar panel performance can be checked using a specialized measuring tool or based on the power output the system produces.

Check the performance of the energy storage system

If the system has an energy storage system, its performance should be checked. The performance of an energy storage system can be checked using specialized measuring tools or based on the system’s electricity storage time.

Step 2: Clean system parts

Cleaning system components is an important step to ensure the system operates efficiently. Dirt, leaves, etc. accumulating on the surface of system components can reduce the system’s electricity production efficiency.

Clean the solar panel

The solar panel is the most important part of the solar power system. Solar panel cleaning needs to be done regularly, at least once every 6 months. The solar panel can be cleaned using clean water and a soft cloth. Do not use strong detergents that can damage the panel surface.

Clean the connecting parts and power cables

Connecting parts and electrical cables also need to be cleaned regularly to ensure stable operation. Connections and cables can be cleaned using clean water and a soft cloth.

Cleaning and maintenance of energy storage systems

If the system has an energy storage system, it should be cleaned and maintained regularly. The energy storage system can be cleaned using a soft cloth and clean water. Maintenance of energy storage systems should be performed by a professional technician.

Step 3: Check and maintain the energy storage system

 

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The energy storage system is an important part of the grid-connected solar power system. This system helps store excess electricity from the solar power system for use at night or in case of power outages.

Check and replace old batteries

The battery is the most important part of the energy storage system. Batteries have an average lifespan of 5 – 10 years. After a period of use, the battery will wear out and reduce performance. Therefore, it is necessary to periodically check and replace old batteries.

Check and maintain backup storage systems

A backup storage system is a system used to provide electricity in the event of a grid outage. This system needs to be checked and maintained regularly to ensure stable operation.

Step 4: Inspect and maintain the solar panel

The first step of solar panel inspection and maintenance is to check for any damaged parts. This includes checking the solar panels, racks, wires, and other parts of the system.

Signs of damage may include:

  • Cracks, breaks or holes in solar panels
  • Welding points are loose or damaged
  • Wiring is worn, cracked or exposed
  • Signs of corrosion or rust

If you discover any damage, contact your solar power system supplier for repair or replacement.

In addition to checking for broken parts, you should also check and adjust the solar power system settings. This includes checking the orientation of the solar panels, the tilt of the solar panels, and the inverter settings.

The direction of solar panels should be toward the sun to maximize power output. The tilt of the solar panels should also be adjusted to suit your geographical location. The inverter settings should be checked to ensure that they are operating properly.

Step 5: Check and maintain the electrical connection system

The electrical connection system includes cables, connectors and other components. These components can be damaged by factors such as weather, animals and insects.

When checking the electrical connection system, pay attention to the following signs of damage:

  • Wiring is worn, cracked or exposed
  • Connectors are loose or damaged
  • Signs of corrosion or rust

If you find any damage, replace damaged parts immediately.

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The connection system is where the solar panels are connected to each other and to the inverter. This system should be inspected and maintained regularly to ensure that the solar panels are connected properly and securely.

When checking the connection system, pay attention to the following signs:

  • Connections are loose or damaged
  • Signs of corrosion or rust
  • Cracks or breaks in solar panels

If you detect any problems, contact your solar power system supplier for repair or replacement.

Step 6: Monitor performance and energy consumption

There are many different solar power system performance monitoring tools on the market. These tools can help you monitor the performance of your system, including the amount of power generated, the amount of power consumed, and the performance of the system’s components.

Some popular solar power system performance monitoring tools include:

  • Remote monitoring system (SCADA): This system uses sensors and data collectors to collect data from your solar power system. This data is then transmitted to a data center to be stored and analyzed.
  • Mobile Apps: Mobile apps can help you monitor the performance of your solar power system from your mobile device.
  • Desktop: Some solar power system suppliers offer desktop software that allows you to monitor the performance of your system.

By tracking your daily energy consumption, you can identify trends and identify areas that can be improved.

You can monitor your energy consumption using a power meter or an energy monitoring app.

Step 7: Training and mastering maintenance knowledge

Technical staff training is an important step in ensuring your solar power system is properly maintained. Your technical staff should be trained on how to inspect, maintain and repair solar power system components.

Training should include the following topics:

  • Operating principle of solar power system
  • Components of the solar power system
  • Inspection and maintenance techniques
  • How to handle problems

In addition to training technical staff, you should also provide them with maintenance manuals. This manual should include the following information:

  • Periodic maintenance plan
  • Maintenance procedures
  • Necessary tools and equipment
  • Safety measures

Maintenance manuals should be updated regularly to reflect changes in your solar power system.

Important notes when maintaining solar power systems

Comply with safety regulations

Solar power systems can cause dangerous electric shock. When maintaining a solar power system, it is important to comply with the following safety regulations:

  • Always turn off the power before starting maintenance.
  • Use safe tools and equipment.
  • Bring gloves, goggles and a helmet.
  • Don’t work alone.

Schedule regular maintenance

Regular maintenance is the best way to ensure your solar power system operates efficiently and safely. You should schedule routine maintenance with your solar power system supplier at least once a year.

When scheduling maintenance, make sure your supplier has experience and expertise in maintaining solar power systems.

Repair and troubleshoot solar power problems

If you discover any problems with your solar power system, have it repaired or fixed immediately. Do not delay, as this may lead to further damage and reduced system performance.

Conclude

Hopefully this article will help you better understand the role of solar power system maintenance in improving performance and extending the life of the system.