Technical guidelines for the development of small hydropower plants — Part 1: Vocabulary

This document defines the professional technical terms and definitions commonly used for small hydropower (SHP) plants.

Lignes directrices techniques pour le développement de la petite hydraulique — Partie 1: Titre manque

General Information

Status
Published
Publication Date
09-Dec-2019
Current Stage
9092 - International Standard to be revised
Due Date
05-Dec-2024
Completion Date
05-Dec-2024
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IWA 33-1:2019 - Technical guidelines for the development of small hydropower plants
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Standards Content (Sample)


INTERNATIONAL IWA
WORKSHOP 33-1
AGREEMENT
First edition
2019-12
Technical guidelines for the
development of small hydropower
plants —
Part 1:
Vocabulary
Reference number
©
ISO 2019
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Terms related to hydrology . 1
4.1 Hydrological observation . 1
4.2 Hydrologic data processing . 3
4.3 Hydrological computation . 3
5 Terms related to engineering geology . 5
6 Terms related to hydraulic engineering and energy . 6
7 Terms related to hydraulic structure . 8
7.1 Structure type . 8
7.2 Dam . 9
7.3 Water gate/sluice .10
7.4 Spillway .10
7.5 Power house .12
7.6 Forebay and penstock .13
7.7 Surge chamber .14
7.8 Tailrace structures .15
7.9 Tunnel, culvert and culvert pipe .15
7.10 Intake .16
7.11 Sediment management facility .16
8 Terms related to engineering construction .17
8.1 Diversion .17
8.2 Closure .17
8.3 Cofferdam .18
8.4 Pit drainage .18
9 Terms related to hydraulic machinery .19
9.1 Hydraulic turbines .19
9.1.1 Types of hydraulic turbine .19
9.1.2 Turbine parameters and turbine characteristics .22
9.2 Hydro turbine generator .25
9.2.1 Types of hydro turbine generator .25
9.2.2 Parameters of a hydro turbine generator .25
9.3 Hydro turbine governing system .26
9.4 Oil, compressed air and cooling water supply systems .26
9.4.1 Oil system .26
9.4.2 Compressed air system .27
9.4.3 Water supplying and discharging system.27
9.5 Valve .28
9.6 Installation and testing of turbine generator units .29
10 Terms related to hydro mechanical structure .30
10.1 Gate .30
10.2 Trash rack and trash-removal device .31
10.3 Hoist and crane .32
11 Terms related to electrical system .32
11.1 System operation mode .32
11.2 Main electrical connection .33
11.3 Transformer.34
11.4 Switchgear installation .35
11.4.1 Switching device . . .35
11.4.2 Transformers for measurement and protection .36
11.4.3 Bus and cable .36
11.5 Excitation system .37
11.6 Supervisory control and protection system .38
11.6.1 Supervisory and control system .38
11.6.2 Relay protection .42
11.6.3 Synchronizing system .42
11.7 Lightning protection and grounding .43
11.8 Plant service power and near region and construction power supply .44
11.9 Direct-current system .45
11.10 Communication .45
12 Terms related to social and environmental impact assessment .46
13 Terms related to economic evaluation and project investment .47
Annex A (informative) Workshop contributors .49
Bibliography .51
Alphabetical index of terms .52
iv © ISO 2019 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial
...


INTERNATIONAL IWA
WORKSHOP 33-1
AGREEMENT
First edition
2019-12
Technical guidelines for the
development of small hydropower
plants —
Part 1:
Vocabulary
Reference number
©
ISO 2019
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Terms related to hydrology . 1
4.1 Hydrological observation . 1
4.2 Hydrologic data processing . 3
4.3 Hydrological computation . 3
5 Terms related to engineering geology . 5
6 Terms related to hydraulic engineering and energy . 6
7 Terms related to hydraulic structure . 8
7.1 Structure type . 8
7.2 Dam . 9
7.3 Water gate/sluice .10
7.4 Spillway .10
7.5 Power house .12
7.6 Forebay and penstock .13
7.7 Surge chamber .14
7.8 Tailrace structures .15
7.9 Tunnel, culvert and culvert pipe .15
7.10 Intake .16
7.11 Sediment management facility .16
8 Terms related to engineering construction .17
8.1 Diversion .17
8.2 Closure .17
8.3 Cofferdam .18
8.4 Pit drainage .18
9 Terms related to hydraulic machinery .19
9.1 Hydraulic turbines .19
9.1.1 Types of hydraulic turbine .19
9.1.2 Turbine parameters and turbine characteristics .22
9.2 Hydro turbine generator .25
9.2.1 Types of hydro turbine generator .25
9.2.2 Parameters of a hydro turbine generator .25
9.3 Hydro turbine governing system .26
9.4 Oil, compressed air and cooling water supply systems .26
9.4.1 Oil system .26
9.4.2 Compressed air system .27
9.4.3 Water supplying and discharging system.27
9.5 Valve .28
9.6 Installation and testing of turbine generator units .29
10 Terms related to hydro mechanical structure .30
10.1 Gate .30
10.2 Trash rack and trash-removal device .31
10.3 Hoist and crane .32
11 Terms related to electrical system .32
11.1 System operation mode .32
11.2 Main electrical connection .33
11.3 Transformer.34
11.4 Switchgear installation .35
11.4.1 Switching device . . .35
11.4.2 Transformers for measurement and protection .36
11.4.3 Bus and cable .36
11.5 Excitation system .37
11.6 Supervisory control and protection system .38
11.6.1 Supervisory and control system .38
11.6.2 Relay protection .42
11.6.3 Synchronizing system .42
11.7 Lightning protection and grounding .43
11.8 Plant service power and near region and construction power supply .44
11.9 Direct-current system .45
11.10 Communication .45
12 Terms related to social and environmental impact assessment .46
13 Terms related to economic evaluation and project investment .47
Annex A (informative) Workshop contributors .49
Bibliography .51
Alphabetical index of terms .52
iv © ISO 2019 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial
...

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