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

IEC 63132-1:2020 The purpose of this part of IEC 63132 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.

Leitfaden für Installations-Prozeduren und -Toleranzen von hydroelektrischen Maschinen – Teil 1: Generelle Aspekte

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.

Navodila za postopke vgradnje in tolerance hidroelektričnih strojev - 1.del: Splošni vidiki (IEC 63132-1:2020)

General Information

Status
Published
Publication Date
04-Jun-2020
Technical Committee
Drafting Committee
Current Stage
6060 - Document made available - Publishing
Start Date
05-Jun-2020
Completion Date
05-Jun-2020

Overview

EN IEC 63132-1:2020 (IEC 63132-1:2020) provides guidance for installation procedures and tolerances of hydroelectric machines with emphasis on general aspects of turbine and generator assembly. Published by CLC/CENELEC and aligned with IEC TC 4, this part defines a typical assembly workflow, common reference systems (axes, planes, centres), terminology and measurement concepts used during powerhouse installation. The document is intended as a practical reference for achieving correct mechanical and geometrical alignment of hydro units, while recognizing that site-specific layouts, machine designs and delivery schedules may require alternative sequences.

Key Topics and Requirements

  • Scope and limits: Covers installation procedures and tolerances for new hydro turbines and generators; excludes refurbishment projects and small-hydro installations unless explicitly agreed by parties.
  • Terminology and concepts: Defines reference centre, best centre, concentricity, circularity, axis of rotation, junctions, elevation, level, inclination and best-fit planes.
  • Geometrical controls: Guidance on measuring and controlling concentricity, circularity, runout, shaft straightness, flatness, parallelism and orientation in plan.
  • Clearances and dimensions: Descriptions of runner diameter and runner clearance, guide vane top/bottom clearances and guide vane-to-guide-vane clearance (no numerical tolerances are given here; tolerances are based on best practices and must be agreed contractually).
  • Magnetic and mechanical centres: Procedures to establish stator magnetic centre, rotor magnetic centre, and checks for stator core verticality and rotor pole verticality.
  • Supplier responsibilities: Manufacturers supply drawings and specific installation information relevant to their equipment; each supplier provides data only for their scope.
  • Contractual binding: Recommendations are advisory and become binding only if incorporated into contractual agreements between the involved parties.

Applications

  • Use during factory-to-site assembly and commissioning of medium to large hydroelectric units.
  • Quality assurance and installation checklists for civil, mechanical and electrical contractors on powerhouse projects.
  • Reference for site engineers and surveyors performing alignment, levelling and dimensional verification.
  • Basis for writing installation contracts and acceptance criteria between owners, contractors and equipment suppliers.

Who should use this standard

  • Hydro turbine and generator manufacturers
  • Project owners and EPC contractors
  • Site installation engineers, surveyors and commissioning teams
  • Consulting engineers and technical auditors focused on hydroelectric plant installation

Related Standards

  • IEC 63132 (other parts: Parts 2–4) - series continuation for detailed procedures
  • IEC 60034-1, IEC 60193, IEC 62097 - referenced electromechanical and hydraulic machine standards (harmonized in context)

EN IEC 63132-1:2020 is a practical, non-prescriptive guide that helps ensure accurate mechanical alignment and consistent installation practices for hydroelectric machines when incorporated into project specifications and contracts.

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Frequently Asked Questions

EN IEC 63132-1:2020 is a standard published by CLC. Its full title is "Guidance for installation procedures and tolerances of hydroelectric machines - Part 1: General aspects". This standard covers: IEC 63132-1:2020 The purpose of this part of IEC 63132 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.

IEC 63132-1:2020 The purpose of this part of IEC 63132 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.

EN IEC 63132-1:2020 is classified under the following ICS (International Classification for Standards) categories: 27.140 - Hydraulic energy engineering. The ICS classification helps identify the subject area and facilitates finding related standards.

You can purchase EN IEC 63132-1:2020 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CLC standards.

Standards Content (Sample)


SLOVENSKI STANDARD
01-september-2020
Navodila za postopke vgradnje in tolerance hidroelektričnih strojev - 1.del: Splošni
vidiki (IEC 63132-1:2020)
Guidance for installation procedures and tolerances of hydroelectric machines - Part 1:
General aspects (IEC 63132-1:2020)
Leitfaden für Installations-Prozeduren und -Toleranzen von hydroelektrischen Maschinen
– Teil 1: Generelle Aspekte (IEC 63132-1:2020)
Lignes directrices des procédures et tolérances d'installation des machines
hydroélectriques - Partie 1: Aspects généraux (IEC 63132-1:2020)
Ta slovenski standard je istoveten z: EN IEC 63132-1:2020
ICS:
27.140 Vodna energija Hydraulic energy engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 63132-1

NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2020
ICS 27.140
English Version
Guidance for installation procedures and tolerances of
hydroelectric machines - Part 1: General aspects
(IEC 63132-1:2020)
Lignes directrices des procédures et tolérances Leitfaden für Installations-Prozeduren und -Toleranzen von
d'installation des machines hydroélectriques - Partie 1: hydroelektrischen Maschinen - Teil 1: Generelle Aspekte
Aspects généraux (IEC 63132-1:2020)
(IEC 63132-1:2020)
This European Standard was approved by CENELEC on 2020-05-25. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, 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: Rue de la Science 23, B-1040 Brussels
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63132-1:2020 E

European foreword
The text of document 4/380/FDIS, future edition 1 of IEC 63132-1, prepared by IEC/TC 4 "Hydraulic
turbines" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2021-02-25
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2023-05-25
document have to be withdrawn
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 63132-1:2020 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 60034-1:2017 NOTE Harmonized as EN 60034-1:— (not modified)
IEC 60034-7:1992 NOTE Harmonized as EN 60034-7:1993 (not modified)
IEC 60193:2019 NOTE Harmonized as EN IEC 60193:2019 (not modified)
IEC 62097:2019 NOTE Harmonized as EN IEC 62097:2019 (not modified)
IEC 63132-2 NOTE Harmonized as EN IEC 63132-2
IEC 63132-3 NOTE Harmonized as EN IEC 63132-3
IEC 63132-4 NOTE Harmonized as EN IEC 63132-4

To be published. Stage at the time of publication: FprEN 60034-1:2017.
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

IEC 63132-1:2020 © IEC 2020 – 3 –
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
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Le document SIST EN IEC 63132-1:2020 constitue une référence essentielle pour les procédures d'installation et les tolérances des machines hydroélectriques. Son champ d'application vise à établir des méthodes générales d'installation adaptées pour les turbines et générateurs hydroélectriques. Ce standard se démarque par sa capacité à décrire une assemblée typique tout en reconnaissant que plusieurs configurations d'assemblage peuvent exister en raison de la taille des machines, du design, de l'agencement de la centrale et du calendrier de livraison des composants. Une des forces majeures de cette norme réside dans son approche pragmatique, qui repose sur les meilleures pratiques et l'expérience accumulée dans le domaine. Les tolérances établies sont le fruit d'analyses approfondies, bien que la norme reconnait la possibilité que d'autres référentiels puissent dicter des tolérances différentes. Cela permet aux professionnels d'adapter les directives à des contextes spécifiques tout en garantissant la qualité et la fiabilité des installations. La pertinence de ce document s'étend au-delà de sa simple utilisation dans les grands projets hydroélectriques. Bien qu'il exclut explicitement les projets de réhabilitation ou les petites installations hydroélectriques, il souligne l'importance d'un accord mutuel entre toutes les parties concernées. Cela favorise une collaboration transparente et structurée, essentielle pour le succès des projets d'installation. De plus, en limitant le contenu aux aspects techniques et en évitant les questions commerciales, le standard préserve sa clarté et sa concentration sur les enjeux d'installation. En résumé, le SIST EN IEC 63132-1:2020 constitue une norme indispensable qui offre des lignes directrices précises et pratiques pour l'installation des machines hydroélectriques, renforçant ainsi la sécurité et l'efficacité dans ce secteur vital.

標準 EN IEC 63132-1:2020 は、水力発電機械の設置手順と許容値に関するガイダンスを提供します。この標準の範囲は、主に水力タービンと発電機の設置における適切な手順と許容値を一般的に確立することにあります。本書は、典型的な組立についての説明も含まれており、ユニットの組立には多くの方法が考えられます。 この標準の強みは、さまざまな機械のサイズ、設計、発電所のレイアウト、部品の納入スケジュールなど、設置に影響を与える要素を考慮に入れている点です。そのため、追加の手順を必要としたり、特定の手順や組立順序を省略したりする場合があることを理解しています。こうした柔軟性は、実際の現場での取り組みに非常に重要です。 また、この文書は、再生プロジェクトや小規模水力プロジェクトのための設置には該当せず、すべての関係者の合意が必要であることも明記しています。この点は、異なる関係者が関与するプロジェクトにおいて重要な意味を持ちます。具体的には、設置の実施に関する商業的利益に関しては除外されていますが、これらが設置の実施と密接に関連する場合は含まれることも示されています。 さらに、本文書の許容値は、ベストプラクティスと経験に基づいていますが、他の標準が異なる許容値を示していることも認識されています。このような情報は重要であり、異なる標準が存在することを考慮に入れた上での運用が求められます。 EN IEC 63132-1:2020 は、設置プロセスにおけるガイダンスを確実に提供し、発電に関わる様々な技術者やプロジェクトマネージャーにとって、非常に有用な基準となるでしょう。全体的に、この標準は水力発電機械の適切なインストール手法を確立し、効率的なプロジェクト管理を支援します。

SIST EN IEC 63132-1:2020 표준 문서는 수력 기계 설치 절차 및 허용 오차에 대한 지침을 제공하여 이 분야의 전문가들에게 매우 중요한 자료입니다. 이 표준은 수력 터빈과 발전기의 설치를 위한 적절한 절차와 허용 오차를 일반적으로 설정하는 것을 목적으로 하고 있습니다. 표준의 범위는 다양한 조립 방법과 기계의 크기, 설계, 발전소의 배치, 구성 요소의 배송 일정 등 여러 요소가 장기적인 조립 순서에 영향을 미칠 수 있음을 인정하고 있습니다. 이 표준의 강점 중 하나는 일반적인 조립 과정을 제시하고 있다는 것입니다. 이를 통해 사용자는 다양한 설치 상황에 적합한 유연성을 가질 수 있으며, 각 계약 당사자가 합의한 경우에만 법적 구속력을 가지기 때문에 실무에서의 실용성을 높입니다. 또한, 이 문서의 허용 오차는 최선의 관행과 경험을 바탕으로 설정되어 있으며, 다른 표준에서 제공하는 허용 오차와의 차이점을 인지하고 있습니다. 이는 사용자들이 다양한 기준을 비교하고 적합한 설치 방법을 결정하는 데 기여할 수 있습니다. 다만, 이 표준은 개보수 프로젝트나 소형 수력 프로젝트에 대한 설치는 포함되지 않으므로, 이러한 경우에는 별도의 합의가 필요하다는 점도 중요한 요소입니다. 설치 과정에서 상업적 이해와 관계없는 내용은 제외되며, 모든 당사자 간의 협의가 필수적입니다. 문서에서 제조업체에 의해 제공되어야 하는 서류나 정보에 대해서는 각 제조업체가 자신의 공급에 대한 적절한 정보를 제공할 책임이 있음을 명시하여, 사용자와 제조업체 간의 명확한 역할 분담을 할 수 있도록 합니다. 결론적으로, SIST EN IEC 63132-1:2020 표준 문서는 수력 기계 설치를 위한 포괄적인 지침을 제공하며, 산업 내에서의 공식적인 설치 절차와 허용 오차에 대한 인식을 통일하는 데 크게 기여할 것입니다. 이는 전문가들이 안전하고 효율적인 설치를 수행하는 데 필요한 기준으로 작용할 것입니다.

Die Norm EN IEC 63132-1:2020 bietet umfassende Leitlinien zu Installationsverfahren und Toleranzen für hydroelektrische Maschinen. Der Umfang dieser Norm ist klar definiert und konzentriert sich auf die Installation von Hydro-Turbinen und Generatoren. Sie stellt sicher, dass geeignete Verfahren und Toleranzen festgelegt werden, um die Effizienz und Zuverlässigkeit der Installationen zu gewährleisten. Ein herausragendes Merkmal der Norm ist die Berücksichtigung der Vielfalt der Montageverfahren. Sie erkennt an, dass es viele Möglichkeiten gibt, eine Einheit zusammenzubauen, abhängig von den Größen der Maschinen, dem Design, dem Layout des Wasserkraftwerks und dem Lieferzeitplan der Komponenten. Diese Flexibilität ist besonders wichtig, da die spezifischen Bedingungen an jedem Installationsort berücksichtigt werden müssen. Die Norm stellt auch fest, dass die Anforderungen nur dann bindend sind, wenn beide Vertragsparteien dem zustimmen, was die Relevanz dieser Norm in vertraglichen Beziehungen unterstreicht. Zusätzlich werden Installationen für Renovierungsprojekte oder kleine Wasserkraftprojekte ausdrücklich aus dem Anwendungsbereich ausgeschlossen, was darauf hinweist, dass sich diese Norm auf größere, komplexere Anlagen konzentriert. Die in der Norm festgelegten Toleranzen basieren auf bewährten Praktiken und Erfahrungswerten. Dies ist ein Schlüsselstärke, da es die Anwendung von realistischen und erprobten Kriterien ermöglicht. So wird eine Vielzahl von möglichen Herausforderungen bei der Installation adressiert. Auch die spezifische Erwähnung, dass jeder Hersteller die relevanten Informationen bereitstellt, steigert die Genauigkeit und Zuverlässigkeit der Umsetzung. Zusammenfassend lässt sich sagen, dass die EN IEC 63132-1:2020 eine entscheidende Ressource für Fachleute in der hydroelektrischen Industrie darstellt. Die Norm stellt sicher, dass alle Beteiligten über die Installationsverfahren informiert sind und klare Toleranzen sowie Verantwortlichkeiten definiert werden.

The EN IEC 63132-1:2020 standard serves as a crucial guideline for the installation of hydroelectric turbines and generators, focusing on establishing a clear framework for procedures and tolerances applicable to hydroelectric machines. The scope of this standard emphasizes its general applicability, noting that while there are many permissible assembly methods, the inclusion of a typical assembly approach offers industry professionals a reliable foundation for their installation projects. One of the standard's significant strengths lies in its comprehensive approach to the complexities of hydroelectric machine installations. By accounting for various influencing factors such as machine size, design variations, powerhouse layout, and component delivery schedules, the standard effectively prepares practitioners for the myriad challenges that may arise during installation. This adaptability is essential, as it provides flexibility while ensuring that best practices are followed. The document also ensures clarity in the expectations surrounding the installation process by stipulating that the standard is binding only when both parties agree upon its terms. This is a crucial aspect that promotes transparency and collaboration between contracting parties, which is vital in large-scale hydroelectric projects. Furthermore, the tolerances outlined within the EN IEC 63132-1:2020 are derived from established best practices and extensive field experience, reinforcing the document's relevance in the climate of evolving hydroelectric technology. While the standard acknowledges that other specifications may dictate different tolerances, it reinforces the importance of consistency and reliability in installations. This focus on best practices supports the efficacy and long-term performance of hydroelectric machines. Overall, the EN IEC 63132-1:2020 standard is a relevant and necessary resource for industry professionals involved in hydroelectric machine installations. Its structured guidance and emphasis on best practices ensure that installations adhere to high-quality standards, thereby enhancing the operational integrity and efficiency of hydroelectric systems.