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IEC 63132-1:2020

(Main)

Guidance for installation procedures and tolerances of hydroelectric machines - Part 1: General aspects

Guidance for installation procedures and tolerances of hydroelectric machines - Part 1: General aspects

The purpose of IEC 63132-1:2020 is to establish, in a general way, suitable procedures and tolerances for the installation of hydroelectric turbines and generators. This document presents a typical assembly. There are many possible ways to assemble a unit. The size of the machines, design of the machines, layout of the powerhouse and 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. Installations for refurbishment projects or for small hydro projects are not in the scope of this document. An agreement between all parties is necessary. 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 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 1: Aspects généraux

IEC 63132-1:2020 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. 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 des 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.
Les installations pour les projets de réfections et pour les projets hydroélectriques compact ne font pas partie du domaine d’application de ce document. Un accord entre les différents parties est nécessaire.
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
19-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
20-Apr-2020
Ref Project

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IEC 63132-1:2020 - Guidance for installation procedures and tolerances of hydroelectric machines - Part 1: General aspectsIEC 63132-1:2020 - Guidance for installation procedures and tolerances of hydroelectric machines - Part 1: General aspects
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IEC 63132-1:2020 - Guidance for installation procedures and tolerances of hydroelectric machines - Part 1: General aspects
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IEC 63132-1 ®
Edition 1.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Guidance for installation procedures and tolerances of hydroelectric machines –
Part 1: General aspects
Lignes directrices des procédures et tolérances d’installation des machines
hydroélectriques –
Partie 1: Aspects généraux
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 63132-1 ®
Edition 1.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Guidance for installation procedures and tolerances of hydroelectric machines –

Part 1: General aspects
Lignes directrices des procédures et tolérances d’installation des machines

hydroélectriques –
Partie 1: Aspects généraux
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.140 ISBN 978-2-8322-8101-7

– 2 – IEC 63132-1:2020 © IEC 2020
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Concept . 6
4.1 General . 6
4.2 Reference centre . 7
4.3 Best centre . 7
4.4 Concentricity . 9
4.5 Circularity . 10
4.6 Reference horizontal plane . 11
4.7 Reference vertical plane . 11
4.8 Best fit plane . 11
4.9 Axis of rotation . 11
4.10 Junction . 11
4.11 Elevation . 12
4.12 Level . 13
4.13 Inclination . 13
4.14 Flatness in line . 14
4.15 Parallelism . 15
4.16 Orientation in plan . 16
4.17 Runner diameter . 16
4.18 Runner clearance . 17
4.19 Guide vane top clearance . 18
4.20 Guide vane bottom clearance . 19
4.21 Guide vane to guide vane clearance . 19
4.22 Shaft verticality . 19
4.23 Stator core verticality . 20
4.24 Rotor pole verticality . 21
4.25 Stator magnetic centre . 22
4.26 Rotor magnetic centre . 22
4.27 Diameter of stator core (D ) . 23
SC
4.28 Runout . 23
4.29 Shaft straightness . 24
4.30 Turbine/generator supplier . 25
5 Best practices . 25
Bibliography . 26

Figure 1 – Axes definition for vertical units . 7
Figure 2 – Best centre sample calculation . 9
Figure 3 – Concentricity . 10
Figure 4 – Circularity . 11
Figure 5 – Junction . 12
Figure 6 – Elevation . 13
Figure 7 – Level . 13

Figure 8 – Inclination . 14
Figure 9 – Flatness in line . 15
Figure 10 – Parallelism . 15
Figure 11 – Orientation in plan . 16
Figure 12 – Cases of runner diameters . 17
Figure 13 – Runner clearance . 18
Figure 14 – Guide vane top and bottom clearances. 19
Figure 15 – Guide vane to guide vane clearance. 19
Figure 16 – Shaft verticality . 20
Figure 17 – Stator core verticality . 21
Figure 18 – Rotor pole verticality . 21
Figure 19 – Stator magnetic centre . 22
Figure 20 – Rotor magnetic centre . 23
Figure 21 – Runout . 24
Figure 22 – Shaft straightness . 25

Table 1 – Sample calculation . 8

– 4 – IEC 63132-1:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
GUIDANCE FOR INSTALLATION PROCEDURES
AND TOLERANCES OF HYDROELECTRIC MACHINES –

Part 1: General aspects
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to techn
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