GB/T 39750-2021
ActiveTechnology requirements of DC arc-fault circuit protection for photovoltaic power system
光伏发电系统直流电弧保护技术要求
Application Summary AI generated
This standard specifies the technical requirements for detecting and interrupting direct current (DC) arc faults in photovoltaic (PV) power systems. It is applied to PV arrays, combiner boxes, inverters, and other DC components to prevent electrical fires caused by series or parallel arc faults. The standard is used by manufacturers, system integrators, and safety inspectors to ensure arc-fault circuit protection devices meet performance and reliability criteria.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.