CLC/TS 61400-26-3:2017

SLOVENSKI STANDARD
01-oktober-2017
Sistemi za proizvodnjo energije na veter - 26-3. del: Razpoložljivost vetrnih
elektrarn (IEC/TS 61400-26-3:2016)
Wind energy generation systems - Part 26-3: Availability for wind power stations (IEC/TS
61400-26-3:2016)
Windenergieanlagen - Teil 26-3: Verfügbarkeit von Windenergieanlagen (IEC/TS 61400-
26-3:2016)
Systèmes de production d'énergie éolienne - Partie 26-3: Disponibilité pour les centrales
éoliennes (IEC/TS 61400-26-3:2016)
Ta slovenski standard je istoveten z: CLC/TS 61400-26-3:2017
ICS:
27.180 Vetrne elektrarne Wind turbine energy systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL SPECIFICATION CLC/TS 61400-26-3

SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
September 2017
ICS 27.180
English Version
Wind energy generation systems -
Part 26-3: Availability for wind power stations
(IEC/TS 61400-26-3:2016)
Systèmes de production d'énergie éolienne -  Windenergieanlagen -
Partie 26-3: Disponibilité pour les centrales éoliennes Teil 26-3: Verfügbarkeit von Windenergieanlagen
(IEC/TS 61400-26-3:2016) (IEC/TS 61400-26-3:2016)
This Technical Specification was approved by CENELEC on 2017-07-17.

CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly
at national level in an appropriate form. It is permissible to keep conflicting national standards in force.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, 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: Avenue Marnix 17, B-1000 Brussels
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. CLC/TS 61400-26-3:2017 E

European foreword
This document (CLC/TS 61400-26-3:2017) consists of the text of IEC/TS 61400-26-3:2016 prepared
by IEC/TC 88 "Wind energy generation systems".
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/TS 61400-26-3:2016 was approved by CENELEC as a
Technical Specification without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 61400-1 NOTE Harmonized as EN 61400-1.
IEC 61400-12-1:2005 NOTE Harmonized as EN 61400-12-1:2006 (not modified).
IEC 61400-12-2:2013 NOTE Harmonized as EN 61400-12-2:2013 (not modified).
IEC 61400-25-1:2006 NOTE Harmonized as EN 61400-25-1:2007 (not modified).
IEC 61400-25-2:2015 NOTE Harmonized as EN 61400-25-2:2015 (not modified).
IEC 61400-25-3:2015 NOTE Harmonized as EN 61400-25-3:2015 (not modified).
IEC 61400-25-4:2008 NOTE Harmonized as EN 61400-25-4:2008 (not modified).
IEC 61400-25-5:2006 NOTE Harmonized as EN 61400-25-5:2007 (not modified).
IEC 61400-25-6:2010 NOTE Harmonized as EN 61400-25-6:2011 (not modified).
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1 When an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is
available here: www.cenelec.eu.

Publication Year Title EN/HD Year
IEC 60050 series International Electrotechnical - -
Vocabulary
IEC 60050-415 -  International Electrotechnical - -
Vocabulary - Part 415: Wind turbine
generator systems
IEC/TS 61400-26-1 2011 Wind turbines - Part 26-1: Time-based CLC/TS 61400-26-1 2017
availability for wind turbine generating
systems
IEC/TS 61400-26-2 2014 Wind turbines - Part 26-2: Production- CLC/TS 61400-26-2 2017
based availability for wind turbines

IEC TS 61400-26-3 ®
Edition 1.0 2016-08
TECHNICAL
SPECIFICATION
colour
inside
Wind energy generation systems –

Part 26-3: Availability for wind power stations

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 27.180 ISBN 978-2-8322-3572-0

– 2 – IEC TS 61400-26-3:2016 © IEC 2016
CONTENTS
FOREWORD . 8
INTRODUCTION . 10
1 Scope . 12
2 Normative references. 12
3 Terms, definitions and abbreviations . 13
3.1 Terms and definitions . 13
3.2 Abbreviations for ‘Information available’ . 14
3.3 Abbreviations for ‘Information unavailable’ . 16
4 Information model for WPS . 17
4.1 General . 17
4.2 Services . 18
4.3 Information category priority . 20
4.4 Information model for BOP . 20
5 INFORMATION AVAILABLE (WPS) . 21
5.1 General . 21
5.2 OPERATIVE . 22
5.3 IN SERVICE . 23
5.3.1 General . 23
5.3.2 FULL PERFORMANCE . 24
5.3.3 PARTIAL PERFORMANCE . 25
5.3.4 READY STANDBY . 25
5.4 OUT OF SERVICE . 26
5.4.1 General . 26
5.4.2 TECHNICAL STANDBY . 27
5.4.3 OUT OF ENVIRONMENTAL SPECIFICATION . 28
5.4.4 REQUESTED SHUTDOWN . 29
5.4.5 OUT OF ELECTRICAL SPECIFICATION . 29
5.5 NON-OPERATIVE . 30
5.5.1 General . 30
5.5.2 SCHEDULED MAINTENANCE . 31
5.5.3 PLANNED CORRECTIVE ACTION . 32
5.5.4 FORCED OUTAGE . 32
5.5.5 SUSPENDED . 33
5.6 FORCE MAJEURE . 34
6 INFORMATION UNAVAILABLE (WPS) . 35
Annex A (informative) Entry and Exit condition overview . 37
Annex B (informative) Application scenarios – examples . 38
B.1 Overview. 38
B.2 Application scenarios . 38
B.2.1 Example 1: Normal operation – all WPS . 38
B.2.2 Example 2: Normal operation – part of WPS . 39
B.2.3 Example 3: Dirty WTGSs blades – all WPS . 40
B.2.4 Example 4: Dirty WTGSs blades – part of WPS . 41
B.2.5 Example 5: BOP limitations – all WPS . 42
B.2.6 Example 6: BOP limitations – part of WPS . 43

IEC TS 61400-26-3:2016 © IEC 2016 – 3 –
B.2.7 Example 7: ‘Spinning reserve’ – all WPS . 44
B.2.8 Example 8: ‘Spinning reserve’ – part of WPS . 46
B.2.9 Example 9: Noise restrictions – Warranty related . 47
B.2.10 Example 10: Noise restrictions – environmentally related . 48
B.2.11 Example 11: Ice storm on Grid – all WPS . 49
Annex C (informative) Balance of plant integration . 51
C.1 WPS functions and services . 51
C.2 Externally required functions and services . 51
C.3 Internally required functions and services . 51
C.4 Expansion of the Information Model for BOP functions and services . 51
Annex D (informative) Determination of potential production for a WPS – examples . 53
D.1 Overview. 53
D.2 Primary service . 53
D.3 Secondary services . 53
Annex E (informative) Service availability indicators – examples . 55
E.1 Overview. 55
E.2 Time based WPS availability . 55
E.2.1 General . 55
E.2.2 Operational service availability (“TSO’s view”) . 55
E.2.3 Operational service availability (“WPS operator’s view”) . 56
E.2.4 Technical service availability (“WPS maintenance provider’s view”) . 57
E.3 Production-based service availability indicators – examples . 58
E.3.1 Overview . 58
E.3.2 System operational production-based availability (“WPS operator’s
view”) . 58
E.3.3 System operational production-based availability (“TSO’s view”) . 59
E.3.4 System operational production-based availability (“WPS maintenance
provider’s view”) . 60
Annex F (informative) Examples of optional level 5 categories . 62
F.1 Overview. 62
F.2 Example of level 5 definitions . 62
F.2.1 General . 62
F.2.2 NOT CURTAILED .
...