Solar inverter DC arc prevention

Can solar inverters handle DC arc faults?

DC arc faults in PV systems can pose significant hazards to both personnel and equipment. Despite the enforcement of standards such as NEC and UL1699B, many solar inverter manufacturers claim that their inverters with DC arc fault protection features can handle DC arc faults.

How to prevent the arcing of the DC side of the inverter?

2.Solax’s solution In order to prevent the arcing of the DC side of the inverter from causing fires and other hazards, SolaX engineers have developed the integrated AFCI function, which detects the arcing of the DC side and cuts the circuit in time to protect the user and the electrical system.

Do PV systems need a DC arc protection device?

Attributing to the DC arc fault hazards, the installation of DC arc protection device for PV systems with 80V or above has been introduced as a requirement in the USA since the 2011 National Electrical Code (NEC) was published.

What are PV inverter arc faults?

Arc faults not only reduce the efficiency and reliability of the PV power generation system, but also may cause safety risks such as fire, which poses a threat to the safe and reliable operation of the PV system. Therefore, timely and accurate diagnosis of PV inverter arc faults is crucial.