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Regarding your concern of surge effects on your PV site

Mar 19th 2019 at 2:08 AM

Simply because of the fact that the solar are designed to stay exposed to sunlight and outside environment at all times. They are highly vulnerable to the natural phenomenon such as direct lightning strikes resulting in electrical surges or voltage transients damaging this energy source of extremely high potential.


The massive amount of energy produced by the primary cause for power surges i.e. direct lightning strike induces high amount of voltage that can cause majority of damage to the associated devices or circuitries.


These voltage events are called surges which is simply a hike in the normal working voltage level of the devices and they enter and stay in the device for not more than few micro seconds. They are difficult to deal with owing to its damaging attributes and are also difficult to detect due to its swift occurrence.



Solar plants providing the versatile source of energy need to be equipped with protection units to detect and block the entry of such harmful electrical fault events. This unique source of energy is generated from sun which has along with it sensitive electrical/ electronic devices. The photovoltaic system is set up to convert free energy of sunlight into electricity generating energy that is tremendously beneficial in regard to cost effectiveness, clean and non-polluting characteristics.

You might only know of the fuse or circuit breakers installed with the device for such applications but they have drawbacks that they cannot detect surges because of the swift entry and further staying in devices for only micro seconds.

Surge voltage penetrating this power source significantly lowers the system functionality as long as it is extensively exposed to the adverse environment that can hamper the equipments and the circuitry. Power surges carry loads of volts into the solar system circuitry. Surge suppressors are specially designed merchandise which serves the purpose of safeguarding the panels and the integrals from these harmful events by incorporating a protection module.


The Solar /PV Surge Protection Devices are chosen protection modules compatible with the solar industry for effective protection. Solar/PV Surge absorbers are particularly devised for photovoltaic applications used in conjunction with a properly engineered lightning protection system. They serves to couple the overvoltage to ground and eliminate the transient voltage from entering the device and improving the life expectancy of this renewable source of energy. The surge absorber units are installed on considering the system configurations, technical parameters, installing location, compatibility, etc capable of handling infinite number of surge events.

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