ISO 22266-1:2009

Mechanical vibration — Torsional vibration of rotating machinery — Part 1: Land-based steam and gas turbine generator sets in excess of 50 MW

Standard Details

ISO 22266-1:2009 provides guidelines for applying shaft torsional vibration criteria, under normal operating conditions, for the coupled shaft system and long blades of a turbine generator set. In particular, these apply to the torsional natural frequencies of the coupled shaft system at line and twice‑line frequencies of the electrical network to which the turbine generator set is connected. In the event that torsional natural frequencies do not conform with defined frequency margins, other possible actions available to vendors are defined.

ISO 22266-1:2009 is applicable to land-based steam turbine generator sets for power stations with power outputs greater than 50 MW and normal operating speeds of 1 500 r/min, 1 800 r/min, 3 000 r/min and 3 600 r/min, and to land-based gas turbine generator sets for power stations with power outputs greater than 50 MW and normal operating speeds of 3 000 r/min and 3 600 r/min.

Methods currently available for carrying out both analytical assessments and test validation of the shaft system torsional natural frequencies are also described.

General Information

Status : WITHDRAWN

Standard Type: Main

Document No: ISO 22266-1:2009

Document Year: 2009

Pages: 25

Edition: 1

Section Volume:
ISO/TC 108/SC 2. Measurement and evaluation of mechanical vibration and shock as applied to machines, vehicles and structures

ICS:
17.160 Vibrations, shock and vibration measurements
29.160.40 Generating sets

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ISO 22266-1:2009

ISO 22266-1:2009

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