| Publication CODE |
Title |
| IEC 62256:2017 (2017-05) |
HYDRAULIC TURBINES, STORAGE PUMPS AND PUMP-TURBINES - REHABILITATION AND PERFORMANCE IMPROVEMENT |
| |
| Price Excl. VAT |
Total number of pages, tables and drawings |
|
451.00 €
|
158. |
Description
IEC 62256:2017 is also available as IEC 62256:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62256:2017 covers turbines, storage pumps and pump-turbines of all sizes and of the following types: Francis; Kaplan; propeller; Pelton (turbines only) and bulb turbines.
This document also identifies without detailed discussion, other powerhouse equipment that could affect or be affected by a turbine, storage pump, or pump-turbine rehabilitation. The object of this document is to assist in identifying, evaluating and executing rehabilitation and performance improvement projects for hydraulic turbines, storage pumps and pump-turbines. This document can be used by owners, consultants, and suppliers to define: needs and economics for rehabilitation and performance improvement; scope of work; specifications and evaluation of results. This document is intended to be: an aid in the decision process; an extensive source of information on rehabilitation; an identification of the key milestones in the rehabilitation process; and identification of the points to be addressed in the decision processes. This document is not intended to be a detailed engineering manual nor a maintenance document. This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: Tables 2 to 23 modified, completed and moved to Annex A; 7.3.2: subclauses moved with text changes; new subclauses on temperature, noise, galvanic corrosion, galling and replacement of components without assessment; 7.3.3: complete new subclause on residual life; Tables 29 to 32 moved to Annex C; New Annex B with assessment examples.
Key words: Turbines, Storage pump, Pump turbines, Rehabilitation, Performance.
|
| Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
| Status |
IEC PUBLICATION |
| Situation |
Currently active
Replaces
IEC 62256:2008
|
|
| BEC Approval |
2017-05-30 |
| ICS-Code (International Standards Classification) |
27.140
|
| NBN Status |
New |
|
| IEC publication date |
2017-05-30 |
| IEC stability date |
2023-12-31 |
| IEC file modification date |
2017-05-30 |
| IEC last modification date |
2019-03-11 |
|
