BS ISO 22266-1:2022

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Mechanical vibration. Torsional vibration of rotating machinery – Evaluation of steam and gas turbine generator sets due to electrical excitation

Published By	Publication Date	Number of Pages
BSI	2022	48

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Description

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PDF Pages	PDF Title
2	National foreword
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
12	4 Abbreviated terms and symbols 4.1 Abbreviated terms 4.2 Symbols
13	5 Shaft train modelling and uncertainties 5.1 General 5.2 Modelling of the shaft train and the electrical system 5.2.1 General
14	5.2.2 Elastic blade modelling 5.2.3 Modelling generator rotor windings 5.2.4 Grid/excitation modelling
15	5.2.5 Damping modelling 5.2.6 Gear box modelling 5.2.7 Flexible coupling modelling 5.3 Design element uncertainties
16	5.4 Determination of calculation uncertainties
17	6 Shaft train evaluation 6.1 General
19	6.2 Natural frequency assessment 6.2.1 General
21	6.2.2 Torsional frequency margins
22	6.2.3 Natural frequency criteria
24	6.3 Stress assessments 6.3.1 General 6.3.2 Expertise criterion
25	6.3.3 Stress/fatigue criterion 7 Calculation of shaft train torsional vibration 7.1 General 7.2 Calculation data 7.3 Calculation results
26	7.4 Calculation report 8 Measurement of shaft train torsional vibration 8.1 General 8.2 Method of measurement 8.3 Measurement report
27	9 General requirements 9.1 Supplier and customer responsibilities 9.2 Acceptance criterion
28	Annex A (informative) Torsional vibration measurement techniques
40	Annex B (informative) Frequency margin examples relative to grid and twice grid frequencies for shaft train modes
42	Annex C (informative) Commonly experienced electrical faults
46	Bibliography

Additional information

Status	Definitive
Title	Mechanical vibration. Torsional vibration of rotating machinery – Evaluation of steam and gas turbine generator sets due to electrical excitation
Corrects	BS ISO 22266-1:2022
Replaces	BS ISO 22266-1:2009
Publisher	BSI
Committee	GME/21/5
Pages	48
Publication Date	2022-10-11
ISBN	978 0 539 23513 5
Standard Number	BS ISO 22266-1:2022
Identical National Standard Of	ISO 22266-1:2022
Descriptors	Rotating parts, Electric generators, Steam-electric power stations, Shafts (rotating), Turbines, Vibration measurement, Steam turbines, Frequencies, Rotors (mechanical), Turbine components, Torque, Gas turbines, Mechanical components, Gas-turbine electric power stations, Vibration testing, Vibration
ICS Codes	17.160 - Vibrations, shock and vibration measurements

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BS ISO 22266-1:2022

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