Static transfer systems (STS) - Part 3: Method for specifying performance and test requirements

IEC 62310-3:2008 applies to stand-alone operating a.c. static transfer systems (STS) intended to ensure the continuity of load supply through controlled transfer, with or without interruption of power, from two or more independent a.c. sources. It includes information for the overall integration of the STS and its accessories into the a.c. power network and includes requirements for the switching elements, their control and protective elements, where applicable. It concerns general and safety requirements.

Statische Transfersysteme - Teil 3: Verfahren für die Festlegung des Betriebsverhaltens und Prüfanforderungen

Systèmes de transfert statique (STS) - Partie 3: Méthode de spécification des performances et exigences d'essai

La CEI 62310-3:2008 s'applique aux Systèmes de Transfert Statique (STS) à courant alternatif autonomes destinés à assurer la continuité de l'alimentation d'une charge par un transfert contrôlé, avec ou sans coupure, à partir d'au moins deux sources indépendantes à courant alternatif. Elle s'applique aux exigences générales et aux règles de sécurité. Elle contient des informations relatives à l'intégration globale d'un STS et de ses accessoires dans un réseau d'énergie électrique en courant alternatif ainsi que des exigences concernant les éléments de commutation, leur commande et leurs éléments de protection, le cas échéant.

Sistemi s statičnim prenosom - 3. del: Metoda za specificiranje tehničnih in preskusnih zahtev (IEC 62310-3:2008)

General Information

Status
Published
Publication Date
04-Sep-2008
Withdrawal Date
30-Jun-2011
Technical Committee
Drafting Committee
Parallel Committee
Current Stage
6060 - Document made available - Publishing
Start Date
05-Sep-2008
Completion Date
05-Sep-2008

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Statische Transfersysteme - Teil 3: Verfahren für die Festlegung des Betriebsverhaltens und Prüfanforderungen (IEC 62310-3:2008)Systèmes de transfert statique (STS) - Partie 3: Méthode de spécification des performances et exigences d'essai (CEI 62310-3:2008)Static transfer systems (STS) - Part 3: Method for specifying performance and test requirements (IEC 62310-3:2008)29.240.30Krmilna oprema za elektroenergetske sistemeControl equipment for electric power systems29.200QDSDMDQMHRectifiers. Convertors. Stabilized power supplyICS:Ta slovenski standard je istoveten z:EN 62310-3:2008SIST EN 62310-3:2008en,fr01-november-2008SIST EN 62310-3:2008SLOVENSKI
STANDARD
EUROPEAN STANDARD EN 62310-3 NORME EUROPÉENNE
EUROPÄISCHE NORM September 2008
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
© 2008 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62310-3:2008 E
ICS 29.200; 29.240.30
English version
Static transfer systems (STS) -
Part 3: Method for specifying performance and test requirements (IEC 62310-3:2008)
Systèmes de transfert statique (STS) -
Partie 3: Méthode de spécification des performances et exigences d'essai (CEI 62310-3:2008)
Statische Transfersysteme -
Teil 3: Verfahren für die Festlegung des Betriebsverhaltens und Prüfanforderungen(IEC 62310-3:2008)
This European Standard was approved by CENELEC on 2008-07-01. 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 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 Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
Foreword The text of document 22H/105/FDIS, future edition 1 of IEC 62310-3, prepared by SC 22H, Uninterruptible power systems (UPS), of IEC TC 22, Power electronic systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62310-3 on 2008-07-01. The following dates were fixed: – latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement
(dop)
2009-04-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2011-07-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 62310-3:2008 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 60664-3 NOTE
Harmonized as HD 625.3 S1:1997 (not modified). HD 625.3 S1 is superseded by EN 60664-3:2003 which is based on IEC 60664-3:2003. IEC 60947-1 NOTE
Harmonized as EN 60947-1:2007 (not modified). IEC 60990 NOTE
IEC 60990:1990 is superseded by IEC 60990:1999, which is harmonized as EN 60990:1999 (not modified). IEC 61140 NOTE
Harmonized as EN 61140:2002 (not modified). IEC 61400-1 NOTE
Harmonized as EN 61400-1:2005 (not modified). IEC 62040-2 NOTE
Harmonized as EN 62040-2:2006 (not modified). IEC 62040-1-1 NOTE
Harmonized as EN 62040-1-1:2003 (not modified). IEC 62040-1-2 NOTE
Harmonized as EN 62040-1-2:2003 (not modified). __________ SIST EN 62310-3:2008

- 3 - EN 62310-3:2008 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
When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
Publication Year Title EN/HD Year
IEC 60068 Series Environmental testing EN 60068 Series
IEC 60146-1-1 -1) Semiconductor convertors - General requirements and line commutated convertorsPart 1-1: Specification of basic requirements EN 60146-1-1 19932)
IEC 60439-1 -1) Low-voltage switchgear and controlgear assemblies -
Part 1: Type-tested and partially type-tested assemblies EN 60439-1 19992)
IEC 60529 -1) Degrees of protection provided by enclosures (IP Code) EN 60529 + corr. May
19912) 1993
IEC 60947-6-1 -1) Low-voltage switchgear and controlgear -
Part 6-1: Multiple function equipment - Transfer switching equipment EN 60947-6-1 20052)
IEC 60950-1 (mod) -1) Information technology equipment - Safety - Part 1: General requirements EN 60950-1 20062)
IEC 61000-2-2 -1) Electromagnetic compatibility (EMC) -
Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems EN 61000-2-2 20022)
IEC 62040-3 (mod) -1) Uninterruptible power systems (UPS) -
Part 3: Method of specifying the performance and test requirements EN 62040-3 20012)
IEC 62310-1 -1) Static transfer systems (STS) -
Part 1: General and safety requirements EN 62310-1 20052)
IEC 62310-2 (mod) -1) Static transfer systems (STS) -
Part 2: Electromagnetic compatibility (EMC) requirements EN 62310-2 20072)
ISO 7779 -1) Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment EN ISO 7779 20012)
1) Undated reference. 2) Valid edition at date of issue. SIST EN 62310-3:2008

IEC 62310-3Edition 1.0 2008-06INTERNATIONAL STANDARD NORME INTERNATIONALEStatic transfer systems (STS) –
Part 3: Method for specifying performance and test requirements
Systèmes de transfert statique (STS) –
Partie 3: Méthode de spécification des performances et exigences d’essai
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XAICS 29.200; 29.240.30 PRICE CODECODE PRIXISBN 2-8318-9812-9
– 2 – 62310-3 © IEC:2008 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 3.1 General definitions.7 3.2 Specified values.10 3.3 Input values.11 3.4 Output values.11 4 Performance requirements.12 4.1 Declared electrical characteristics.12 4.1.1 Performance classification.12 4.1.2 Main electrical characteristics.13 4.2 Normal service conditions.14 4.3 Transfer characteristics.14 4.3.1 Load voltage.14 4.3.2 Cross-current.15 4.4 Neutral management.15 4.4.1 Common neutral.15 4.4.2 Separately derived neutrals.15 4.4.3 Neutral current.15 4.4.4 Protective earth current.15 4.5 Performance requirements to be identified by the purchaser.16 5 STS tests.16 5.1 General.16 5.1.1 Type tests.16 5.1.2 Routine tests.16 5.1.3 Site tests.16 5.1.4 Testing schedule.16 5.2 Electrical tests.18 5.2.1 Insulation and dielectric.18 5.2.2 Light load and functional test.18 5.2.3 No load.19 5.2.4 Rated load.19 5.2.5 Transfer.19 5.2.6 Source tolerance.21 5.2.7 Overload and fault current.21 5.2.8 Operating losses.23 5.2.9 Backfeed.24 5.2.10 Abnormal operating conditions.25 5.3 Transportation and environment.26 5.3.1 General.26 5.3.2 Impact and shock.26 5.3.3 Free fall.26 5.3.4 Storage.27 5.3.5 Temperature and humidity.28 5.3.6 Acoustic noise.28 SIST EN 62310-3:2008

62310-3 © IEC:2008 – 3 – Annex A (normative)
Reference load.29 Annex B (normative)
STS voltage sensing tolerance.33 Annex C (informative)
Neutral management in static transfer systems.35 Annex D (normative)
Neutral switching in static transfer systems – Additional requirements.37 Annex E (informative)
Purchaser specification guidelines.39 Annex F (informative)
Output short circuit test procedure.43 Annex G (normative)
Backfeed protection test.47 Annex H (normative)
Minimum and maximum cross-sections of copper
conductors suitable for connection.48 Bibliography.49
Figure 1 – Complying load current flow - Common grounding of a.c. input sources - common STS neutral.15 Figure 2 – Objectionable load current flow - Independent grounding of a.c. input sources - common STS neutral.16 Figure 3 – STS cross current test.20 Figure 4 – Typical circuit for measuring conduction losses.24 Figure B.1 – Source tolerance classification 1.33 Figure B.2 – Source tolerance classification 2.34 Figure B.3 – Source tolerance classification 3.34 Figure B.4 – Source tolerance classification 4.34 Figure C.1 – Continuous STS neutral with common grounding of a.c. input sources (complying load current flow).35 Figure C.2 – Continuous STS neutral with in
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