British Standards Institution

Source:: IEC
Committee:: PEL/2 - Rotating electrical machinery
Categories:: Measurement. Vibration and shock | Rotating machinery. General
Comment period start date:: 02/09/2025
Comment period end date:: 24/09/2025
Number of comments:: 0

Comment by:

24th Sep

Scope

This part of IEC 60034 specifies the factory acceptance vibration test procedures and vibration limits for certain electrical machines under specified conditions, when uncoupled from any load or prime mover.

It is applicable to DC and three-phase AC machines, with shaft heights 56 mm and higher and a rated output up to 50 MW, at operational speeds from 120 min–1 up to and including 15 000 min–1.

This document is not applicable to machines mounted in situ (on site), three-phase commutator motors, single-phase machines, three-phase machines operated on single-phase systems, vertical waterpower generators, turbine generators greater than 20 MW and machines with magnetic bearings or series-wound machines.

NOTE For machines measured in situ, refer to applicable parts of ISO 20816-1 and ISO 20816-3.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

28/11/2025

3. Public Comments

Public Comments start date:

02/09/2025

Public Comments end date:

24/09/2025

Learn more about the standards development process

Standards Development

BS EN IEC 60034-14 Ed.5.0 BS EN 60034-14 Ed.5.0 Rotating electrical machines. Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity"

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