IEC 62256 Ed. 2.0 b:2017

Current Revision

Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement

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IEC 62256 Ed. 2.0 b:2017

Name: IEC 62256 Ed. 2.0 b:2017 – Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement
Brand: International Electrotechnical Commission
SKU: IEC 62256 Ed. 2.0 b:2017
Price: 599.83 USD
Availability: InStock

Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement

Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement

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.