Status of Evaluating the Fatigue of Large Steam Turbine-Generators Caused by Electrical Disturbances
- 1 January 1980
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-99 (1) , 111-119
- https://doi.org/10.1109/tpas.1980.319616
Abstract
The torsional fatigue impact of different and successive electrical transients on the shafts of nearby turbine-generators is explained and quantitatively compared for various fault conditions and system switching operations. The basis for evaluating fatigue is explained and the many contributory factors are discussed. Results of measurements of the damping of shaft torsional oscillations are presented. The operating principle of the newly developed Torsional Stress Analyzer is described. The necessity for close cooperation between operating utilities and turbine-generator manufacturers in obtaining more data on the behavior of large machine shafts in response to electrical disturbances is emphasized.Keywords
This publication has 2 references indexed in Scilit:
- Torsional Fatigue of Turbine-Generator Shafts Caused by Different Electrical System Faults and Switching OperationsIEEE Transactions on Power Apparatus and Systems, 1978
- Effect of clearing short circuits and automatic reclosing on torsional stress and life expenditure of turbine-generator shaftsIEEE Transactions on Power Apparatus and Systems, 1976