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BS ISO 22266-1:2022 – TC

BS ISO 22266-1:2022 – TC

$246.62

Tracked Changes. 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 114
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PDF Catalog

PDF Pages PDF Title
1 30459869
67 A-30423420
68 National foreword
72 Foreword
73 Introduction
75 1 Scope
2 Normative references
3 Terms and definitions
78 4 Abbreviated terms and symbols
4.1 Abbreviated terms
4.2 Symbols
79 5 Shaft train modelling and uncertainties
5.1 General
5.2 Modelling of the shaft train and the electrical system
5.2.1 General
80 5.2.2 Elastic blade modelling
5.2.3 Modelling generator rotor windings
5.2.4 Grid/excitation modelling
81 5.2.5 Damping modelling
5.2.6 Gear box modelling
5.2.7 Flexible coupling modelling
5.3 Design element uncertainties
82 5.4 Determination of calculation uncertainties
83 6 Shaft train evaluation
6.1 General
85 6.2 Natural frequency assessment
6.2.1 General
87 6.2.2 Torsional frequency margins
88 6.2.3 Natural frequency criteria
90 6.3 Stress assessments
6.3.1 General
6.3.2 Expertise criterion
91 6.3.3 Stress/fatigue criterion
7 Calculation of shaft train torsional vibration
7.1 General
7.2 Calculation data
7.3 Calculation results
92 7.4 Calculation report
8 Measurement of shaft train torsional vibration
8.1 General
8.2 Method of measurement
8.3 Measurement report
93 9 General requirements
9.1 Supplier and customer responsibilities
9.2 Acceptance criterion
94 Annex A (informative) Torsional vibration measurement techniques
106 Annex B (informative) Frequency margin examples relative to grid and twice grid frequencies for shaft train modes
108 Annex C (informative) Commonly experienced electrical faults
112 Bibliography

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BS ISO 22266-1:2022 - TC
$246.62