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EN 62256:2017

(Main)

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

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

NEW!IEC 62256:2017 is 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.

Wasserturbinen, Speicherpumpen und Pumpturbinen - Modernisierung und Verbesserung der Leistungseigenschaften

Turbines hydrauliques, pompes d'accumulation et pompes turbines - Réhabilitation et amélioration des performances

NEW!IEC 62256:2017 est disponible sous forme de IEC 62256:2017 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.

Vodne turbine, akumulacijske črpalke in črpalne turbine - Prenavljanje in izboljšanje delovanja (IEC 62256:2017)

Ta dokument zajema turbine, črpalke za shranjevanje in črpalne turbine vseh velikosti in naslednjih tipov:
• Francis;
• Kaplan;
• propeler;
• Pelton (samo turbine);
• turbine bučke.
Ta dokument tudi brez podrobne razprave prepozna drugo gonilno opremo, ki bi lahko vplivala na turbino, črpalko za shranjevanje ali sanacijo črpalne turbine ali pa bi te lahko vplivale nanjo.
Cilj tega dokumenta je pomagati pri prepoznavanju, vrednotenju in izvajanju projektov sanacije in izboljšanja delovanja hidravličnih turbin, črpalk za shranjevanje in črpalnih turbin.
Ta dokument lahko uporabljajo lastniki, svetovalci in dobavitelji za opredelitev:
• potreb in poslovanja za sanacijo in izboljšanje delovanja;
• področja uporabe dela;
• specifikacij;
• ovrednotenja rezultatov.
Ta dokument je namenjen za:
• pomoč v procesu odločanja;
• obširen vir informacij o sanaciji;
• opredelitev ključnih mejnikov v procesu sanacije;
• opredelitev točk, ki jih je treba obravnavati v procesih odločanja.
Ta dokument ni namenjen kot podroben inženirski priročnik niti dokument za vzdrževanje.

General Information

Status
Published
Publication Date
31-Aug-2017
Withdrawal Date
03-Jul-2020
ICS
27.140 - Hydraulic energy engineering
Technical Committee
CLC/SR 4 - Hydraulic turbines
Drafting Committee
IEC/TC 4 - IEC_TC_4
Current Stage
6060 - Document made available - Publishing
Start Date
01-Sep-2017
Completion Date
01-Sep-2017
Ref Project
SIST EN 62256:2017 - Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement (IEC 62256:2017)

Relations

Replaces
EN 62256:2008 - Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement
Effective Date
05-Sep-2017

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wasserturbinen, Speicherpumpen und Pumpturbinen - Modernisierung und Verbesserung der Leistungseigenschaften (IEC 62256:2017)Turbines hydrauliques, pompes d'accumulation et pompes turbines - Réhabilitation et amélioration des performances (IEC 62256:2017)Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement (IEC 62256:2017)27.140Vodna energijaHydraulic energy engineeringICS:Ta slovenski standard je istoveten z:EN 62256:2017SIST EN 62256:2017en01-oktober-2017SIST EN 62256:2017SLOVENSKI
STANDARDSIST EN 62256:20081DGRPHãþD



SIST EN 62256:2017



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 62256
September 2017 ICS 27.140
Supersedes
EN 62256:2008
English Version
Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement (IEC 62256:2017)
Turbines hydrauliques, pompes d'accumulation et pompes turbines - Réhabilitation et amélioration des performances (IEC 62256:2017)
Wasserturbinen, Speicherpumpen und Pumpturbinen - Modernisierung und Verbesserung der Leistungseigenschaften (IEC 62256:2017) This European Standard was approved by CENELEC on 2017-07-04. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17,
B-1000 Brussels © 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62256:2017 E SIST EN 62256:2017



EN 62256:2017 2 European foreword The text of document 4/323/FDIS, future edition 2 of IEC 62256, prepared by IEC TC 4 "Hydraulic turbines" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62256:2017. The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-04-04 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-07-04
This document supersedes EN 62256:2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62256:2017 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60041 NOTE Harmonized as EN 60041. IEC 60193 NOTE Harmonized as EN 60193. IEC 60609 (Series) NOTE Harmonized as EN 60609 (Series). IEC 60994 NOTE Harmonized as EN 60994. IEC 62097 NOTE Harmonized as EN 62097. IEC 62364 NOTE Harmonized as EN 62364.
SIST EN 62256:2017



IEC 62256 Edition 2.0 2017-05 INTERNATIONAL STANDARD
Hydraulic turbines, storage pumps and pump-turbines – Rehabilitation and performance improvement
INTERNATIONAL ELECTROTECHNICAL COMMISSION
ICS 27.140
ISBN 978-2-8322-4340-4
® Registered trademark of the International Electrotechnical Commission ®
Warning! Make sure that you obtained this publication from an authorized distributor. SIST EN 62256:2017 colourinside



– 2 – IEC 62256:2017 © IEC 2017 CONTENTS FOREWORD . 7 INTRODUCTION . 9 1 Scope . 10 2 Normative references .
...

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