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PD IEC/TR 62271-301 on high-voltage switchgear and controlgearis helpful for:
the data requirements for carrying out the analysis
The connection between the spreader and the container is by the use of twistlocks that engage into the container’s upper corner castings
It applies to any kind of machinery or equipment for which a noise test code exists or comparable noise-emmission data is available
BS 2846-7 on tests for departure from normality is useful for:
Acoustics. Determination of sound insulation performances of enclosures - Measurements in situ (for acceptance and verification purposes) Ingestion-build-109673 PD IEC/TR 62271-301 on high-voltage1 Scope This part of ISO 11546 specifies in situ methods for the determination of the sound insulation performance (insertion loss) of machine enclosures. It applies to a total enclosure only and not to the individual panels from which the enclosure is made. NOTES 1 Sound insulation for enclosure panels such as wall elements, doors, windows, silencers, etc. should be measured in accordance with other relevant standards. 2 Related standards concern