This part of IEC 62477 applies to power electronic converter systems (PECS) and equipment, their components for electronic power conversion and electronic power switching, including the means for their control, protection, monitoring and measurement, such as with the main purpose of converting electric power, with rated system voltages up to 36 kV AC or 54 kV DC
This document also applies to PECS which intentionally emit or receive radio waves for the purpose of radio communication.
This document can also be used as a reference standard for product committees producing product standards for
• adjustable speed electric power drive systems (PDS),
• standalone uninterruptible power systems (UPS), and
• stabilized DC power supplies.
For PECS for which no product standard exists, this document provides minimum requirements for safety aspects.
This document has the status of a group safety publication in accordance with IEC Guide 104 for power electronic converter systems and equipment for solar, wind, tidal, wave, fuel cell or similar energy sources.
According to IEC Guide 104, one of the responsibilities of technical committees is, wherever applicable, to make use of basic safety publications and/or group safety publications in the preparation of their product standards.
IEC 62477-1 is applicable within this document unless specifically stated. References to IEC 62477-1 regarding applicability at the clause level do not supersede the requirements specifically highlighted within this document. E.g. a reference to a clause in IEC 62477 -1 which references a table in IEC 62477-1, which has been modified for usage within IEC 62477-2, the table in IEC 62477-2 is the superseding table.
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