IEC 63132-3:2020

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

IEC 63132-3:2020

Name:IEC 63132-3:2020   Standard name:Guidance for installation procedures and tolerances of hydroelectric machines - Part 3: Vertical Francis turbines or pump-turbines
Standard number:IEC 63132-3:2020   language:English and French language
Release Date:27-Apr-2020   technical committee:TC 4 - Hydraulic turbines
Drafting committee:WG 30 - TC 4/WG 30   ICS number:01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION

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





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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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