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IEC 63132-3:2020

(Main)

Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines

Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines

The purpose of IEC 63132-3:2020 is to establish, in a general way, suitable procedures and tolerances for the installation of a vertical Francis turbine or pump-turbine. This document presents a typical assembly and whenever the word “turbine” is used in this document, it refers to a vertical Francis turbine or a pump-turbine. There are many possible ways to assemble a unit. The size of the machine, design of the machine, layout of the powerhouse or delivery schedule of the components are some of the elements that could result in additional steps, the elimination of some steps and/or assembly sequences. It is understood that a publication of this type will be binding only if, and to the extent that, both contracting parties have agreed upon it. This document excludes matters of purely commercial interest, except those inextricably bound up with the conduct of installation. The tolerances in this document have been established upon best practices and experience, although it is recognized that other standards specify different tolerances. Wherever this document specifies that documents, drawings or information is supplied by a manufacturer (or by manufacturers), each individual manufacturer will furnish the appropriate information for their own supply only.

Lignes directrices des procédures et tolérances d'installation des machines hydroélectriques - Partie 3: Turbines ou pompes-turbines Francis verticales

IEC 63132-3:2020 L’objectif de la présente partie de l'IEC 63132 est d’établir, d’une façon générale, des procédures et des tolérances adéquates pour l’installation des turbines et alternateurs hydroélectriques. Ce document présente un assemblage typique et à chaque fois que le mot "turbine" est utilisé, il signifie une turbine ou pompe turbine Francis verticale. Il y a plusieurs façons possibles pour assembler un groupe. Les dimensions des machines, la conception des machines, le plan de la centrale et l’échéancier des livraisons des différentes composantes sont quelques éléments qui peuvent résulter en l’ajout d’étapes, l’élimination de certaines étapes et/ou des séquences d’assemblages.
Il est entendu que ce type de document sera contraignant seulement si, et dans la mesure où, les deux parties contractuelles l’ont convenu.
Ce document exclut les questions d’intérêt purement commercial, sauf celles inextricablement liées au déroulement de l’installation.
Les tolérances mentionnées dans ce document ont été déterminées selon les meilleures pratiques et l’expérience, bien qu’il soit reconnu que d’autres normes spécifient des tolérances différentes.
Partout où ce document précise que des documents, des dessins ou des renseignements sont fournis par un fabricant (ou par des fabricants), chaque fabricant fournira les informations appropriées pour leur propre approvisionnement seulement.

General Information

Status
Published
Publication Date
27-Apr-2020
ICS
01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
27.140 - Hydraulic energy engineering
Technical Committee
TC 4 - Hydraulic turbines
Drafting Committee
WG 30 - TC 4/WG 30
Current Stage
PPUB - Publication issued
Start Date
01-May-2020
Completion Date
28-Apr-2020
Ref Project

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IEC 63132-3:2020 - Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbinesIEC 63132-3:2020 - Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines
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IEC 63132-3:2020 - Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines
English and French language
71 pages
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IEC 63132-3 ®
Edition 1.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Guidance for installation procedures and tolerances of hydroelectric machines –
Part 3: Vertical Francis turbines or pump-turbines

Lignes directrices des procédures et tolérances d’installation des machines
hydroélectriques –
Partie 3: Turbines ou pompe-turbines Francis verticales

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 63132-3 ®
Edition 1.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Guidance for installation procedures and tolerances of hydroelectric machines –

Part 3: Vertical Francis turbines or pump-turbines

Lignes directrices des procédures et tolérances d’installation des machines

hydroélectriques –
Partie 3: Turbines ou pompe-turbines Francis verticales

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.140 ISBN 978-2-8322-8103-1

– 2 – IEC 63132-3:2020  IEC 2020
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Installation flowchart . 6
4.1 Turbine embedded parts . 6
4.2 Turbine mechanical parts . 8
5 Steps . 10
5.1 Turbine embedded parts . 10
5.1.1 Step 1: Benchmarks set-up . 10
5.1.2 Step 2: Primary embedded pipes and draft tube liner foundation
installation . 10
5.1.3 Step 3: Draft tube liner foundation embedment . 10
5.1.4 Step 4: Draft tube liner foundation and workspace verification . 11
5.1.5 Step 5: Handing over to installation . 11
5.1.6 Step 6: Draft tube liner supports installation . 11
5.1.7 Step 7: Draft tube liner installation . 12
5.1.8 Step 8: Secondary embedded pipes installation around the draft tube
liner . 14
5.1.9 Step 9: Handing over to concreting phase. 14
5.1.10 Step 10: Draft tube liner embedment . 15
5.1.11 Step 11: Concrete voids testing . 15
5.1.12 Step 12: Draft tube liner grout injection . 16
5.1.13 Step 13: Handing over to installation . 16
5.1.14 Step 14: Draft tube liner dimensional inspection after embedment . 16
5.1.15 Step 15: Stay ring and spiral case supports installation . 17
5.1.16 Step 16: Stay ring installation . 17
5.1.17 Step 17: Spiral case installation . 18
5.1.18 Step 18: Pit liner(s) and/or servomotor base plates installation . 20
5.1.19 Step 19: Secondary embedded pipes installation around the spiral case . 21
5.1.20 Step 20: Spiral case pressure test . 21
5.1.21 Step 21: Handing over to concreting phase . 22
5.1.22 Step 22: Embedment up to generator floor . 22
5.1.23 Step 23: Remaining turbine embedded parts grout injection . 22
5.1.24 Step 24: Handing over to installation . 23
5.1.25 Step 25: Spiral case dimensional inspection after concreting . 23
5.1.26 Step 26: Corrosion protection for embedded parts . 23
5.1.27 Step 27: Turbine embedded parts complete . 23
5.1.28 Step 28: Turbine mechanical parts installation . 24
5.2 Turbine mechanical parts . 24
5.2.1 Step 1: Turbine embedded parts complete . 24
5.2.2 Step 2: Stay ring machining (if required) . 24
5.2.3 Step 3: Draft tube cone(s) installation . 24
5.2.4 Step 4: Bottom ring installation . 24
5.2.5 Step 5: Turbine runner installation . 26
5.2.6 Step 6: Turbine shaft installation . 26
5.2.7 Step 7: Turbine runner and shaft coupling . 27

5.2.8 Step 8: Guide vane installation . 27
5.2.9 Step 9: Head cover installation . 27
5.2.10 Step 10: Shaft seal housing assembly . 29
5.2.11 Step 11: Guide bearing housing assembly . 29
5.2.12 Step 12: Regulating ring installation . 29
5.2.13 Step 13: Servomotors installation . 29
5.2.14 Step 14: Guide vane links and levers installation . 30
5.2.15 Step 15: Turbine shaft free . 30
5.2.16 Step 16: Generator installation . 31
5.2.17 Step 17: Turbine and generator shafts coupling . 31
5.2.18 Step 18: Unit alignment . 32
5.2.19 Step 19: Shaft seal final installation . 33
5.2.20 Step 20: Turbine guide bearing assembly and adjustment . 33
5.2.21 Step 21: Guide vane apparatus final adjustment . 34
5.2.22 Step 22: Remaining turbine parts installation completion . 34
5.2.23 Step 23: Cleaning, painting and inspection before initial tests . 34
5.2.24 Step 24: Turbine mechanical parts complete . 34
5.2.25 Step 25: Commissioning . 34
Bibliography . 35

Figure 1 – Generic installation flowchart – Francis turbine or pumped-turbine
embedded parts . 7
Figure 2 – Generic installation flowchart – Francis turbine or pumped-turbine

mechanical parts . 10
Figure 3 – Draft tube liner installation . 13
Figure 4 – Draft tube liner embedment plan . 15
Figure 5 – Stay ring installation . 18
Figure 6 – Spiral case installation . 20
Figure 7 – Bottom ring installation . 26
Figure 8 – Head cover installation . 28
Figure 9 – Turbine shaft f
...

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