Adjustable speed electrical power drive systems -- Part 5-1: Safety requirements - Electrical, thermal and energy

This part of IEC 61800 specifies requirements for adjustable speed power drive systems, or their elements, with respect to electrical, thermal and energy safety considerations. It does not cover the driven equipment except for interface requirements. It applies to adjustable speed electric drive systems which include the power conversion, drive control, and motor or motors. Excluded are traction and electric vehicle drives. It applies to d.c. drive systems connected to line voltages up to 1 kV a.c., 50 Hz or 60 Hz and a.c. drive systems with converter input voltages up to 35 kV, 50 Hz or 60 Hz and output voltages up to 35 kV. Other parts of IEC 61800 cover rating specifications, EMC, functional safety, etc. The scope of this part of IEC 61800 does not include devices used as component parts of a PDS if they comply with the safety requirements of a relevant product standard for the same environment. For example, motors used in PDS shall comply with the relevant parts of IEC 60034. Unless specifically stated, the requirements of this International Standard apply to all parts of the PDS, including the CDM/BDM (see Figure 1).

Elektrische Leistungsantriebssysteme mit einstellbarer Drehzahl -- Teil 5-1: Anforderungen an die Sicherheit - Elektrische, thermische und energetische Anforderungen

Entraînements électriques de puissance à vitesse variable -- Partie 5-1: Exigences de sécurité - Electrique, thermique et énergétique

spécifie les exigences pour les entraînements électriques de puissance à vitesse variable, ou leurs éléments, en ce qui concerne les considérations de sécurité électrique, thermique et énergétique. Elle ne couvre pas l'équipement entraîné, à l'exception des exigences pour les interfaces. Elle s'applique aux systèmes d'entraînement électrique à vitesse variable qui comprennent le convertisseur de puissance, le système de commande et un ou plusieurs moteurs. En sont exclus les entraînements pour les véhicules électriques et la traction. Elle s'applique aux systèmes d'entraînement c.c. connectés à des réseaux de tension inférieure ou égale à 1 kV c.a., 50 Hz ou 60 Hz et aux systèmes d'entraînement c.a. avec des tensions d'entrée de convertisseur inférieures ou égales à 35 kV, 50 Hz ou 60 Hz et de sortie de convertisseur inférieures ou égales à 35 kV. n)Les principaux domaines de modification dans cette deuxième édition sont les suivants: ajout du Tableau 1 alphabétique à l'Article 3, ajout du Tableau 2 en 4.1 pour la pertinence par rapport aux EEP/MEC/MEP, ajout du Tableau 4, résumé des exigences des classes de tension déterminante, extension du paragraphe sur les liaisons de protection (4.3.5.3), éclaircissement de la différence entre courant de contact et courant dans le conducteur de protection, révision du paragraphe sur l'isolement (désormais 4.3.6) pour inclure l'isolation solide, ajout de la catégorie de surtension I et II à la tension d'isolement des circuits haute tension, révision du paragraphe sur l'isolation solide (désormais 4.3.6.8), ajout d'exigences pour l'isolement haute fréquence (4.3.6.9, Annexe E), ajout d'exigences pour l'EEP à refroidissement par liquide (4.4.5), ajout d'essais climatiques et de vibration (5.2.6), éclaircissement de la procédure d'essai de tension pour éviter les sur-contraintes de l'isolement principal (5.2.3.2.3), révision de l'exigence d'essai de court-circuit pour un EEP important, à haute tension et unique (désormais 5.2.3.6), ajout de l'Annexe B informative pour la réduction de la catégorie de surtension

Električni pogonski sistemi z nastavljivo hitrostjo - 5-1. del: Varnostne zahteve - Električne, toplotne in energijske (IEC 61800-5-1:2007)

General Information

Status
Published
Publication Date
05-Nov-2007
Withdrawal Date
04-Nov-2007
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
24-Oct-2007
Due Date
29-Dec-2007
Completion Date
06-Nov-2007

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Elektrische Leistungsantriebssysteme mit einstellbarer Drehzahl -- Teil 5-1: Anforderungen an die Sicherheit - Elektrische, thermische und energetische AnforderungenEntraînements électriques de puissance à vitesse variable -- Partie 5-1: Exigences de sécurité - Electrique, thermique et énergétiqueAdjustable speed electrical power drive systems -- Part 5-1: Safety requirements - Electrical, thermal and energy29.200QDSDMDQMHRectifiers. Convertors. Stabilized power supply29.160.30MotorjiMotorsICS:Ta slovenski standard je istoveten z:EN 61800-5-1:2007SIST EN 61800-5-1:2008en,fr,de01-januar-2008SIST EN 61800-5-1:2008SLOVENSKI

STANDARDSIST EN 61800-5-1:20041DGRPHãþD
EUROPEAN STANDARD EN 61800-5-1 NORME EUROPÉENNE
EUROPÄISCHE NORM September 2007

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
© 2007 CENELEC -

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

Ref. No. EN 61800-5-1:2007 E
ICS 29.130 Supersedes EN 61800-5-1:2003
English version
Adjustable speed electrical power drive systems -
Part 5-1: Safety requirements -
Electrical, thermal and energy (IEC 61800-5-1:2007)
Entraînements électriques de puissance
à vitesse variable -
Partie 5-1: Exigences de sécurité -
Electrique, thermique et énergétique (CEI 61800-5-1:2007)
Elektrische Leistungsantriebssysteme
mit einstellbarer Drehzahl -
Teil 5-1: Anforderungen
an die Sicherheit -
Elektrische, thermische
und energetische Anforderungen (IEC 61800-5-1:2007)

This European Standard was approved by CENELEC on 2007-08-01. 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.

EN 61800-5-1:2007
- 2 -

Foreword The text of document 22G/178/FDIS, future edition 2 of IEC 61800-5-1, prepared by SC 22G, Adjustable speed electric drive systems incorporating semiconductor power converters, of IEC TC 22, Power electronic systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61800-5-1 on 2007-08-01. This European Standard supersedes EN 61800-5-1:2003. The major areas of change in EN 61800-5-1:2007 are the following: –

addition of alphabetical Table 1 in Clause 3; –
addition of Table 2 in 4.1 for relevance to PDS/CDM/BDM; –
addition of Table 4 summary of decisive voltage class requirements; –
expansion of subclause on protective bonding (4.3.5.3); –

clarification of distinction between touch current and protective conductor current; –

revision of section on insulation (now 4.3.6) to include solid insulation; –
addition of overvoltage categories I and II to HV insulation voltage; –
revision of section on Solid insulation (now 4.3.6.8); –
addition of high-frequency insulation requirements (4.3.6.9, Annex E); –
addition of requirements for liquid-cooled PDS (4.4.5); –
addition of climatic and vibration tests (5.2.6); –

clarification of voltage test procedure to avoid over-stress of basic insulation (5.2.3.2.3); –

revision of short-circuit test requirement for large, high-voltage and one-off PDS (now 5.2.3.6); –

addition of informative Annex B for overvoltage category reduction. 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)
2008-05-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2010-08-01 Annex ZA has been added by CENELEC. __________

- 3 - EN 61800-5-1:2007 Endorsement notice The text of the International Standard IEC 61800-5-1:2007 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 60034-9 NOTE

Harmonized as EN 60034-9:2005 (modified). IEC 60071 NOTE
Harmonized in EN 60071 series (not modified). IEC 60071-1 NOTE
Harmonized as EN 60071-1:2006 (not modified). IEC 60071-2 NOTE
Harmonized as EN 60071-2:1997 (not modified). IEC 60146-1-1 NOTE
Harmonized as EN 60146-1-1:1993 (not modified). IEC 60309-1 NOTE
Harmonized as EN 60309-1:1999 (not modified). IEC 60364-4-44 NOTE
Amendment 1:2003 to IEC 60364-4-44:2001
is harmonized as HD 60364-4-443:2006 (modified) IEC 60664 NOTE
Harmonized in EN 60664 series (not modified). IEC 60695-2-11 NOTE
Harmonized as EN 60695-2-11:2001 (not modified). IEC 60695-2-12 NOTE
Harmonized as EN 60695-2-12:2001 (not modified). IEC 60721 NOTE
Harmonized in EN 60721 series (not modified). IEC 61082 NOTE
Harmonized in EN 61082 series (not modified). IEC 61140 NOTE
Harmonized as EN 61140:2002 (not modified). IEC 61180-1 NOTE
Harmonized as EN 61180-1:1994 (not modified). IEC 61189-2 NOTE
Harmonized as EN 61189-2:2006 (not modified). IEC 61643-12 NOTE
Harmonized as CLC/TS 61643-12:2006 (modified). IEC 61800-3 NOTE
Harmonized as EN 61800-3:2004 (not modified). IEC 62079 NOTE
Harmonized as EN 62079:2001 (not modified). __________
EN 61800-5-1:2007
- 4 -
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 60034 Series Rotating electrical machines EN 60034 Series
IEC 60034-1 -1) Rotating electrical machines -
Part 1: Rating and performance EN 60034-1 20042)
IEC 60034-5
-1) Rotating electrical machines -

Part 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification EN 60034-5 20012)

IEC 60050-111 -1) International Electrotechnical Vocabulary (IEV) -
Chapter 111: Physics and chemistry - -
IEC 60050-151 -1) International Electrotechnical Vocabulary (IEV) -
Part 151: Electrical and magnetic devices - -
IEC 60050-161 -1) International Electrotechnical Vocabulary (IEV) -
Chapter 161: Electromagnetic compatibility - -
IEC 60050-191 -1) International Electrotechnical Vocabulary (IEV) -
Chapter 191: Dependability and quality of service - -
IEC 60050-441 -1) International Electrotechnical Vocabulary (IEV) -
Chapter 441: Switchgear, controlgear and fuses - -
IEC 60050-442 -1) International Electrotechnical Vocabulary (IEV) -
Part 442: Electrical accessories - -
IEC 60050-551 -1) International Electrotechnical Vocabulary (IEV) -
Part 551: Power electronics - -
IEC 60050-601 -1) International Electrotechnical Vocabulary (IEV) -

Chapter 601: Generation, transmission and distribution of electricity - General - -

1) Undated reference. 2) Valid edition at date of issue.
- 5 - EN 61800-5-1:2007 Publication Year Title EN/HD Year IEC 60060-1
1989 High-voltage test techniques -
Part 1: General definitions and test requirements HD 588.1 S1 1991
IEC 60068-2-2 1974 Environmental testing -
Part 2: Tests - Tests B: Dry heat EN 60068-2-23)
1993
IEC 60068-2-6
-1) Environmental testing -
Part 2: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 19952)
IEC 60068-2-78 -1) Environmental testing -
Part 2-78: Tests - Test Cab: Damp heat, steady state EN 60068-2-78 20012)
IEC 60112
2003 Method for the determination of the proof
and the comparative tracking indices of solid insulating materials EN 60112 2003
IEC 60204-11 -1) Safety of machinery - Electrical equipment
of machines -

Part 11: Requirements for HV equipment for voltages above 1 000 V a.c. or 1 500 V d.c. and not exceeding 36 kV EN 60204-11 2000

IEC 60309 (mod) Series Plugs, socket-outlets and couplers for industrial purposes EN 60309 Series

IEC 60364-1 (mod) -1) Low-voltage electrical installations -

Part 1: Fundamental principles, assessment of general characteristics, definitions -4) -

IEC 60364-5-54 (mod) 2002 Electrical installations of buildings -

Part 5-54: Selection and erection of electrical equipment - Earthing arrangements, protective conductors and protective bonding conductors HD 60364-5-54 2007

IEC 60417 Data-base Graphical symbols for use on equipment - -

IEC 60529 1989 Degrees of protection provided by enclosures (IP Code) EN 60529 + corr. May

1991 1993
IEC 60617 Data-base Graphical symbols for diagrams - -

IEC 60664-1 + A1 + A2 1992 2000 2002 Insulation coordination for equipment within low-voltage systems -

Part 1: Principles, requirements and tests
EN 60664-1 5)
2003

IEC 60664-3 2003 Insulation coordination for equipment within low-voltage systems -

Part 3: Use of coating, potting or moulding for protection against pollution EN 60664-3 2003

3) EN 60068-2-2 includes supplement A:1976 to IEC 60068-2-2. 4) IEC 60364-1:2005 (modified) will be submitted to formal vote for acceptance as HD 60364-1. 5) EN 60664-1 is superseded by EN 60664-1:2007, which is based on IEC 60664-1:2007.

EN 61800-5-1:2007
- 6 -

Publication Year Title EN/HD Year IEC 60664-4 2005 Insulation coordination for equipment within low-voltage systems -

Part 4: Consideration of high-frequency voltage stress EN 60664-4 + corr. October

2006 2006
IEC 60695-2-10 -1) Fire hazard testing -

Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure EN 60695-2-10 20012)

IEC 60695-2-13 -1) Fire hazard testing -

Part 2-13: Glowing/hot-wire based test methods - Glow-wire ignitability test method for materials EN 60695-2-13 20012)

IEC 60695-11-10 -1) Fire hazard testing -

Part 11-10: Test flames - 50 W horizontal and vertical flame test methods EN 60695-11-10 19992)

IEC 60695-11-20
-1) Fire hazard testing -
Part 11-20: Test flames - 500 W flame test methods EN 60695-11-20 19992)

IEC/TR 60755 -1) General requirements for residual current operated protective devices - -

IEC 60947-7-1
2002 Low-voltage switchgear and controlgear -

Part 7-1: Ancillary equipment - Terminal blocks for copper conductors EN 60947-7-1 2002

IEC 60947-7-2 2002 Low-voltage switchgear and controlgear -

Part 7-2: Ancillary equipment - Protective conductor terminal blocks for copper conductors EN 60947-7-2 2002

IEC 60990 1999 Methods of measurement of touch current and protective conductor current EN 60990 1999

IEC 61230 (mod) -1) Live working - Portable equipment for earthing or earthing and short-circuiting EN 61230 +A11 19952) 1999

IEC 61800-1 -1) Adjustable speed electrical power drive systems -

Part 1: General requirements - Rating specifications for low voltage adjustable speed d.c. power drive systems EN 61800-1 19982)

IEC 61800-2 -1) Adjustable speed electrical power drive systems -

Part 2: General requirements - Rating specifications for low voltage adjustable frequency a.c. power drive systems EN 61800-2 19982)

IEC 61800-4 -1) Adjustable speed electrical power drive systems -

Part 4: General requirements - Rating specifications for a.c. power drive systems above 1 000 V a.c. and not exceeding 35 kV EN 61800-4 20032)

IEC 62020 -1) Electrical accessories - Residual current monitors for household and similar uses (RCMs) - -

- 7 - EN 61800-5-1:2007 Publication Year Title EN/HD Year IEC 62271-102
-1) High-voltage switchgear and controlgear -
Part 102: Alternating current disconnectors and earthing switches
EN 62271-102 + corr. March
20022) 2005
ISO 3864 Series Graphical symbols - Safety colours and safetysigns - -
ISO 7000 2004 Graphical symbols for use on equipment - Index and synopsis - -

INTERNATIONAL STANDARD IECCEI NORME INTERNATIONALE61800-5-1Second editionDeuxième édition2007-07 Adjustable speed electrical

power drive systems – Part 5-1: Safety requirements – Electrical, thermal and energy

Entraînements électriques de

puissance à vitesse variable – Partie 5-1: Exigences de sécurité – Electrique, thermique et énergétique XE Commission Electrotechnique InternationaleInternational Electrotechnical CommissionPRICE CODE CODE PRIX For price, see current cataloguePour prix, voir catalogue en vigueur

– 2 – 61800-5-1 © IEC:2007

CONTENTS FOREWORD...........................................................................................................................5

1 Scope...............................................................................................................................7 2 Normative references........................................................................................................7 3 Terms and definitions.....................................................................................................10 4 Protection against electric shock, thermal, and energy hazards.......................................16 4.1 General.................................................................................................................16 4.2 Fault conditions.....................................................................................................17 4.3 Protection against electric shock............................................................................18 4.4 Protection against thermal hazards........................................................................51 4.5 Protection against energy hazards.........................................................................56 4.6 Protection against environmental stresses.............................................................57 5 Test requirements...........................................................................................................57 5.1 General.................................................................................................................57 5.2 Test specifications.................................................................................................60 6 Information and marking requirements............................................................................82 6.1 General.................................................................................................................82 6.2 Information for selection........................................................................................85 6.3 Information for installation and commissioning.......................................................85 6.4 Information for use................................................................................................89 6.5 Information for maintenance..................................................................................91

Annex A (informative)

Examples of protection in case of direct contact.................................93 Annex B (informative)

Examples of overvoltage category reduction.......................................95 Annex C (normative)

Measurement of clearance and creepage distances...........................101 Annex D (informative)

Altitude correction for clearances.....................................................107 Annex E (informative)

Clearance and creepage distance determination for frequencies greater than 30 kHz.............................................................................................................109 Annex F (informative)

Cross-sections of round conductors..................................................112 Annex G (informative)

Guidelines for RCD compatibility......................................................113 Annex H (informative)

Symbols referred to in this part of IEC 61800...................................116

Bibliography........................................................................................................................117

Figure 1 – PDS hardware configuration within an installation..................................................16 Figure 2 – Typical waveform for a.c. working voltage.............................................................19 Figure 3 – Typical waveform for d.c. working voltage.............................................................20 Figure 4 – Typical waveform for pulsating working voltage.....................................................20 Figure 5 – Examples for protection against direct contact......................................................22 Figure 6 – Example of protective bonding..............................................................................26 Figure 7 – Voltage limits under fault conditions......................................................................28 Figure 8 – Voltage test procedures........................................................................................68 Figure 9 – Circuit for high-current arcing test.........................................................................77

61800-5-1 © IEC:2007 – 3 –

Figure 10 – Test fixture for hot-wire ignition test....................................................................78 Figure A.1 – Protection by DVC A,

with protective separation................................................93 Figure A.2 – Protection by means of protective impedance....................................................94 Figure A.3 – Protection by using limited voltages...................................................................94 Figure B.1 – Basic insulation evaluation for circuits connected directly to the origin of the installation supply mains..................................................................................................95 Figure B.2 – Basic insulation evaluation for circuits connected directly to the supply mains....................................................................................................................................96 Figure B.3 – Basic insulation evaluation for equipment not permanently connected to the supply mains.........................................................................................................................96 Figure B.4 – Basic insulation evaluation for circuits connected directly to the origin of the installation supply mains where internal SPDs are used...................................................96 Figure B.5 - Basic insulation evaluation for circuits connected directly to the supply mains where internal SPDs are used.....................................................................................97 Figure B.6 – Example of protective separation evaluation for circuits connected directly to the supply mains where internal SPDs are used.................................................................97 Figure B.7 – Example of protective separation evaluation for circuits connected directly to the supply mains where internal SPDs are used.................................................................97 Figure B.8 Example of protective separation evaluation for circuits connected directly to the supply mains where internal SPDs are used.....................................................................98 Figure B.9 – Basic insulation evaluation for circuits not connected directly to the supply mains....................................................................................................................................98 Figure B.10 – Basic insulation evaluation for circuits not connected directly to the supply mains....................................................................................................................................98 Figure B.11 – Functional insulation evaluation within circuits affected by external transients..............................................................................................................................99 Figure B.12 – Basic insulation evaluation for circuits both connected and not connected directly to the supply mains...................................................................................................99 Figure B.13 – Insulation evaluation for accessible circuit of DVC A......................................100 Figure G.1 – Flow chart leading to selection of the RCD/RCM type upstream of a PDS........113 Figure G.2 – Fault current waveforms in connections with semiconductor devices................114

Table 1 – Alphabetical list of terms........................................................................................10 Table 2 – Relevance of requirements to PDS/CDM/BDM........................................................17 Table 3 – Summary of the limits of the decisive voltage classes.............................................18 Table 4 – Protection requirements for considered circuit........................................................19 Table 5 – Protective earthing conductor cross-section...........................................................28 Table 6 – Definitions of pollution degrees..............................................................................31 Table 7 – Insulation voltage for low voltage circuits................................................................33 Table 8 – Insulation voltage for high voltage circuits..............................................................33 Table 9 – Clearance distances..............................................................................................37 Table 10 – Creepage distances (mm)....................................................................................39 Table 11 – Thickness of sheet metal for enclosures:

carbon steel or stainless steel..............45 Table 12 – Thickness of sheet metal for enclosures:

aluminium, copper or brass..................46 Table 13 – Wire bending space from terminals to enclosure..................................................49 Table 14 – Generic materials for the direct support of uninsulated live parts..........................52 Table 15 – Maximum measured temperatures for internal materials and components.............54

– 4 – 61800-5-1 © IEC:2007

Table 16 – Maximum measured temperatures for external parts of the CDM..........................55 Table 17 – Test overview......................................................................................................59 Table 18 – Impulse voltage test.............................................................................................63 Table 19 – Impulse test voltage for low-voltage PDS.............................................................64 Table 20 – Impulse test voltage for high-voltage PDS............................................................64 Table 21 – A.C. or d.c. test voltage for circuits connected directly to low voltage mains..........65 Table 22 – A.C. or d.c. test voltage for circuits connected directly to high voltage mains........66 Table 23 – A.C. or d.c. test voltage for circuits not connected directly to the mains................67 Table 24 – Partial discharge test...........................................................................................70 Table 25 – Dry heat test (steady state)..................................................................................80 Table 26 – Damp heat test (steady state)..............................................................................81 Table 27 – Vibration test.......................................................................................................82 Table 28 – Information requirements.....................................................................................84 Table C.1 – Width of grooves by pollution degree................................................................101 Table D.1 – Correction factor for clearances at altitudes between 2 000 m and 20 000 m (see

4.3.6.4.1)....................................................................................................................107 Table D.2 – Test voltages for verifying clearances at different altitudes................................107 Table E.1 – Minimum values of clearances in air at atmospheric pressure for inhomogeneous field conditions (Table 1 of IEC 60664-4)....................................................110 Table E.2 – Minimum values of creepage distances for different frequency ranges (Table 2 of IEC 60664-4).....................................................................................................111 Table F.1 – Standard cross-sections of round conductors....................................................112 Table H.1 – Symbols used...................................................................................................116

61800-5-1 © IEC:2007 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS –
Part 5-1: Safety requirements – Electrical, thermal and energy

FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61800-5-1 has been prepared by subcommittee 22G: Semi-conductor power converters for adjustable speed electric drive systems, of IEC technical committee 22: Power electronic systems and equipment. This second edition cancels and replaces the first edition published in 2003. It constitutes a technical revision. The major areas of change in this edition are the following: a) addition of alphabetical Table 1 in Clause 3; b) addition of Table 2 in 4.1 for relevance to PDS/CDM/BDM; c) addition of Table 4 summary of decisive voltage class requirements; d) expansion of subclause on protective bonding (4.3.5.3);

– 6 – 61800-5-1 © IEC:2007

e) clarification of distinction between touch current and protective conductor current; f) revision of section on insulation (now 4.3.6) to include solid insulation; g) addition of overvoltage categoruies I and II to HV insulation voltage; h) revision of section on Solid insulation (now 4.3.6.8) i) addition of high-frequency insulation requirements (4.3.6.9, Annex E); j) addition of requirements for liquid-cooled PDS (4.4.5); k) addition of climatic and vibration tests (5.2.6); l) clarification of voltage test procedure to avoi

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