BS IEC 60609-2 : 1997 AMD 15739
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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CAVITATION PITTING EVALUATION IN HYDRAULIC TURBINES, STORAGE PUMPS AND PUMPS TURBINES - EVALUATION IN PELTON TURBINES
28-04-2006
23-11-2012
FOREWORD
INTRODUCTION
1 General
1.1 Scope
1.2 Excluded topics
1.3 Normative reference
2 Terms, symbols and definitions
2.1 Units
2.2 List of terms
2.3 Location and type of damage to Pelton buckets
3 Nature and extent of cavitation pitting guarantees
3.1 Period of guarantee
3.2 Definition of the amount of cavitation pitting
3.3 Operating ranges and duration of operation
3.3.1 Reference duration of operation
3.3.2 Actual duration of operation
3.3.3 Special conditions
4 Test procedure
4.1 Cavitation pitting repair during the guarantee
period
4.2 Measurement and calculation of the amount of
cavitation pitting
5 Computation of results
5.1 Fulfilment of the guarantee
Annexes
A Examples of amounts of cavitation pittings
B Bibliography
Provides a basis for formulating guarantees on cavitation pitting on Pelton turbine runners and for measuring and evaluating the amount of cavitation pitting on Pelton turbine runners of a given turbine, specified in the contract by power, specific hydraulic energy of machine (head), rotational speed, material, operation, and so on.
| Committee |
MCE/15
|
| DevelopmentNote |
Supersedes 95/701796 DC. (08/2004) Renumbered and superseded by BS EN 60609-2. (04/2006)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| IEC 60609-2:1997 | Identical |
| IEC TR 61364:1999 | Nomenclature for hydroelectric powerplant machinery |
| IEC 60041:1991 | Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines |
| IEC 60609:1978 | Cavitation pitting evaluation in hydraulic turbines, storage pumps and pump-turbines |
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