Why Do Solar Inverters Fail?
Solar power systems comprise of solar panels, inverters, batteries and a meter. As long as the solar PV system is installed properly, they remain low-maintenance devices. Electricity is generated by the solar panels while the solar inverters convert DC electricity to AC electricity to power the household appliances.
The inverters have more electrical components than solar panels. And they are much more sensitive to heat and equipment failure.
How long do solar inverters last?
String solar inverters have a life expectancy of 10-15 years and microinverters can last for 20-25 years.
Although they are rated to last for decades, many factors can affect the performance of the inverters:
• Faulty installation
• Poor maintenance
Reasons why solar inverters fail
Electrical components are highly sensitive to temperatures. If the maximum operating temperature is reached, it may lead to a reduction in electricity production. It is important to clean the dust filters regularly and ensure that the inverter has open airflow.
High or low voltage due to a grid fault could prevent the solar inverter from working. Circuit breakers or fuses can be used to prevent the inverter from failure due to high voltage.
Maximum Power Point Tracking (MPPT)
Solar panels generate different voltages – it is important to get the maximum efficiency irrespective of the different voltage levels. MPPT algorithms extract the maximum power from the solar panels. The MPPT tracker adjusts itself constantly to keep the solar panels at their Maximum Power Point.
If you are experiencing reduced output, it could be due to a fault in the MPPT module.
A very common reason for failure in the solar inverter is faulty installation. If the solar panels are not matched with the inverter capacity, your inverter will not work efficiently. As a rule of thumb, your solar panel capacity should be up to 133% of the inverter capacity.
For example, if you are using a 4 kW solar panel, your inverter capacity should be 3kW. If you are using a 6 kW solar panel, your inverter capacity should be 4.5 kW. Solar panels do not generate the power they are rated for
If your inverter is not working properly, it might show the error via a fault code. Refer to the inverter manual to troubleshoot the problem.
Alternatively, contact your solar specialists at Senergy for resolving the problem.
Senergy is a PV Inverter leading manufacturer. If you are interested in our products, please contact us now!
Solar Roof Tiles: Advantages And Disadvantages
Solar roof tiles provide an alternative to conventional solar panels. Instead of being installed on existing roofs with racking systems, solar tiles are part of the roof itself. They can be a viable option in new constructions and major renovations, since a roof installation and a solar array can be combined into a single component. Solar roof tiles are also known as solar shingles.
Understanding the Lifespan of Residential Inverters
Residential inverters have become an essential component of modern-day households, particularly for those who rely on solar power systems. They convert direct current (DC) electricity generated by solar panels into alternating current (AC) electricity, which can be used to power appliances and electronics.
Solar Flood Lights-How Long Do They Last
Flood lights have been around for some time, however, their use has changed because their materials are used to make them. Flood lights have been used for more than 100 years, illuminating the dusk and evening of sports games. Flood lights are still used in sports events, and recently, high-intensity lights have been used in construction sites, theaters, lighthouses and ordinary homes.
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