I.S. EN 60609-2:2000
Current
The latest, up-to-date edition.
CAVITATION PITTING EVALUATION IN HYDRAULIC TURBINES, STORAGE PUMPS AND PUMP-TURBINES - PART 2: EVALUATION IN PELTON TURBINES
Hardcopy , PDF
English
01-01-2000
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FOREWORD
INTRODUCTION
1 General
1.1 Scope and object
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 the measurement and evaluation of the amount of cavitation pitting on Pelton turbine runners of a given turbine, which is defined in the contract by power, specific hydraulic energy of machine (head), rotational speed, material, operation etc.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
46
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN 60609-2:1999 | Identical |
| BS EN 60609-2:1999 | Identical |
| NBN EN 60609-2 : 2001 | Identical |
| IEC 60609-2:1997 | Identical |
| UNE-EN 60609-2:1999 | Identical |
| SN EN 60609-2 : 1999 | Identical |
| NF EN 60609-2 : 2000 | 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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