IEC 62477-2:2018 defines safety requirements for high-voltage power electronic converter systems (PECS) operating between 1,000 V AC / 1,500 V DC and 36 kV AC / 54 kV DC, covering hazard mitigation and control. A key feature is the inclusion of arc fault testing and labeling requirements in Annex AA, vital for renewable energy and industrial infrastructure applications. Purchase the standard at IEC Webstore IEC Webstore IEC 62477-2:2018
It is an extension of the base standard IEC 62477-1, which covers general safety requirements for all Power Electronic Converter Systems (PECS). Part 2 specifically addresses the unique hazards associated with renewable energy systems, such as: Iec 62477-2 Pdf
As of 2024-2025, IEC TC 22 (Power Electronics) is actively working on amendments regarding: Part 2 specifically addresses the unique hazards associated
Disclaimer: This article is for informational purposes only. Standards change. Always consult the latest official edition of IEC 62477-2 and hire a certified compliance engineer for product certification. Always consult the latest official edition of IEC
The standard applies to PECS with rated system voltages ranging from 1,000 V AC (1,500 V DC) up to 36 kV AC (54 kV DC) iTeh Standards Key Applications
Arc-Fault Safety: Introduction of arc-fault rating labels and specific testing instructions to mitigate energy release during internal faults.
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