EN 62270:2004

SLOVENSKI SIST EN 62270:2005
STANDARD
september 2005
Avtomatizacija hidroelektrarn – Vodilo za računalniški krmilni sistem (IEC
62270:2004)
Hydroelectric power plant automation – Guide for computer-based control (IEC
62270:2004)
ICS 27.140 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 62270
NORME EUROPÉENNE
EUROPÄISCHE NORM July 2004
ICS 27.140
English version
Hydroelectric power plant automation -
Guide for computer-based control
(IEC 62270:2004)
Automatisation  Automatisierung von Wasserkraftwerken -
de centrale hydroélectrique - Leitfaden zur computergestützten
Guide pour la commande Steuerung
à base de calculateur (IEC 62270:2004)
(CEI 62270:2004)
This European Standard was approved by CENELEC on 2004-07-01. 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 Central Secretariat or to any CENELEC member.

This European Standard exists in two official versions (English, 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
Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 62270:2004 E
Foreword
The text of document 4/188/FDIS, future edition 1 of IEC 62270, prepared by IEC TC 4, Hydraulic
turbines, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as
EN 62270 on 2004-07-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2005-04-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2007-07-01
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 62270:2004 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 62270:2004
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 61158 Series Digital data communications for EN 61158 Series
measurement and control - Fieldbus for
use in industrial control systems

ANSI C63.4 2001 Methods of Measurement of Radio-Noise - -
Emissions from Low-Voltage Electrical
and Electronic Equipment in the Range of
9 kHz - 40 GHz
IEEE Std 100 1996 The IEEE Standard Dictionary of - -
Electrical and Electronics Terms

IEEE Std 485 1997 IEEE Recommended Practice for Sizing - -
Lead-Acid Batteries for Stationary
Applications (ANSI)
IEEE Std 610 1990 IEEE Standard Glossary of Software - -
Engineering Terminology (ANSI)

IEEE Std 1010 1987 IEEE Guide for Control of Hydroelectric - -
Power Plants (ANSI)
IEEE Std 1014 1987 IEEE Standard for a Versatile Backplane - -
Bus: VMEbus
IEEE Std 1020 1988 IEEE Guide for Control of Small - -
Hydroelectric Power Plants (ANSI)

IEEE Std 1046 1991 IEEE Application Guide for Distributed - -
Digital Control and Monitoring for Power
Plants (ANSI)
IEEE Std 1147 1991 IEEE Guide for the Rehabilitation of - -
Hydroelectric Power Plants (ANSI)

IEEE Std C37.1 1994 IEEE Standard Definition, Specification, - -
and Analysis of Systems Used for
Supervisory Control, Data Acquisition,
and Automatic Control (ANSI)
IEEE Std 2002 IEEE Standard Surge Withstand - -
C37.90.1 Capability (SWC) Tests for Protective
Relays and Relay Systems (ANSI)

Publication Year Title EN/HD Year
IEEE Std 1995 IEEE Trial Use Standard for Withstand - -
C37.90.2 Capability of Relay Systems to Radiated
Electromagnetic Interference from
Transceivers (ANSI)
IEEE Std 1379 2000 IEEE Recommended Practice for Data - -
Communications Between Remote
Terminal Units and Intelligent Electronic
Devices in a Substation (ANSI)

ISO/IEC 8802-3 2001 Information technology - - -
Telecommunications and information
exchange between systems - Local and
metropolitan area networks - Specific
requirements
Part 3: Carrier sense multiple access with
collision detection (CSMA/CD) access
method and physical layer specifications

ISO/IEC 8802-4 1990 Part 4: Token-passing bus access - -
method and physical layer specifications

ISO/IEC 8802-5 1998 Part 5: Token ring access method and - -
physical layer specifications
INTERNATIONAL IEC
STANDARD 62270
First edition
2004-04
Hydroelectric power plant automation –
Guide for computer-based control

 IEC 2004  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale XB
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue

– 2 – 62270  IEC:2004(E)
CONTENTS
FOREWORD.4
INTRODUCTION .6

1 Overview.7
1.1 Scope.7
1.2 Purpose.7
2 Normative references.7
3 Terms and definitions.8
4 Functional capabilities.13
4.1 General.13
4.2 Control capabilities.13
4.3 Data acquisition capabilities.22
4.4 Alarm processing and diagnostics .23
4.5 Report generation.24
4.6 Maintenance management interface.24
4.7 Data archival and retrieval .24
4.8 Operation scheduling and forecasting .24
4.9 Data access.25
4.10 Operator simulation training .25
4.11 Typical control parameters.25
5 System architecture, communications, and databases .26
5.1 General.26
5.2 System classification.27
5.3 System architecture characteristics.28
5.4 Control data networks .33
5.5 Data bases and software configuration.37
6 User and plant interfaces .39
6.1 User interfaces.39
6.2 Plant interfaces.40
7 System performance.43
7.1 General.43
7.2 Hardware.44
7.3 Communications.45
7.4 Measuring performance.46
8 System backup capabilities .47
8.1 General.47
8.2 Design principles.48
8.3 Basic functions.48
8.4 Design of equipment for backup control .48
8.5 Alarm handling.49
8.6 Protective function.50
9 Site integration and support systems.50
9.1 Interface to existing equipment .50
9.2 Environmental conditions.50
9.3 Power source.51

62270  IEC:2004(E) – 3 –
9.4 Supervision of existing contact status points .51
9.5 Supervision of existing transducers .52
9.6 Supervision of existing control output points.52
9.7 Grounding.52
9.8 Static control.52
10 Recommended test and acceptance criteria .53
10.1 Specific test requirements.53
10.2 Quality assurance.54
10.3 Acceptance.54
11 System management.54
11.1 Maintenance.54
11.2 Training.54
11.3 Documentation.55
12 Case studies.57
12.1 Automation of the Conowingo Hydroelectric Station.57
12.2 Computer-based control system at Waddell Pump-Generating Plant.59
12.3 Retrofit of TrŠngslet Hydro Power Station .63
12.4 Computer-based control system at Wynoochee Hydroelectric Project .68

Bibliography .72

Figure 1 – Relationship of local, centralized, and offsite control .15
Fi
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