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IEC 62477-1 Ed. 1.0 b:2012


Safety requirements for power electronic converter systems and equipment Part 1 General

IEC 62477 1 2012 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 not exceeding 1 000 V a c or 1 500 V d c This document may also be used as a reference standard for product committees producing product standards for br adjustable speed electric power drive systems PDS br standalone uninterruptible power systems UPS br low voltage stabilized d c power supplies br For PECS for which no product standard exists this standard provides minimum requirements for safety aspects This part of IEC 62477 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 This International Standard br establishes a common terminology for safety aspects relating to PECS and equipment br establishes minimum requirements for the coordination of safety aspects of interrelated parts within a PECS br establishes a common basis for minimum safety requirements for the PEC portion of products that contain PEC br specifies requirements to reduce risks of fire electric shock thermal energy and mechanical hazards during use and operation and where specifically stated during service and maintenance br specifies minimum requirements to reduce risks with respect to pluggable and permanently connected equipment whether it consists of a system of interconnected units or independent units subject to installing operating and maintaining the equipment in the manner prescribed by the manufacturer br This International Standard does not cover br telecommunications apparatus other than power supplies to such apparatus br functional safety aspects as covered by e g IEC 61508 br electrical equipment and systems for railways applications and electric vehicles
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