Adjustable speed electrical power drive systems - Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications - Energy efficiency indicators for power drive systems and motor starters

IEC 61800-9-2:2017 specifies energy efficiency indicators of power electronics (complete drive modules, CDM), power drive systems (PDS) and motor starters, all used for motor driven equipment. It specifies the methodology for the determination of losses of the complete drive module (CDM), the power drive system (PDS) and the motor system. It defines IE and IES-classes, their limit values and provides test procedures for the classification of the overall losses of the motor system. Furthermore, this document proposes a methodology for the implementation of the best energy efficiency solution of drive systems. This depends on the architecture of the motor driven system, on the speed/load profile and on the operating points over time of the driven equipment.

Drehzahlveränderbare elektrische Antriebe - Teil 9-2: Ökodesign für Antriebssysteme, Motorstarter, Leistungselektronik und deren angetriebene Einrichtungen - Indikatoren für die Energieeffizienz von Antriebssystemen und Motorstartern

Entraînements électriques de puissance à vitesse variable - Partie 9-2: Ecoconception des entraînements électriques de puissance, des démarreurs de moteurs, de l'électronique de puissance et de leurs applications entraînées - Indicateurs d'efficacité énergétique pour les entraînements électriques de puissance et les démarreurs de moteurs

L'IEC 61800-9-2:2017 spécifie les indicateurs d'efficacité énergétique pour l'électronique de puissance (modules d'entraînement complets, CDM), les entraînements électriques de puissance (PDS) et les démarreurs de moteurs, utilisés avec les équipements entraînés par moteur. Elle spécifie la méthodologie de détermination des pertes du module d'entraînement complet (CDM), de l'entraînement électrique de puissance (PDS) et du système moteur. Elle définit les classes IE et IES et établit leurs valeurs limites, ainsi que les procédures d'essai pour le classement des pertes globales du système moteur. Le présent document propose également une méthodologie pour la mise en œuvre de la meilleure solution écoénergétique des entraînements électriques. Cela dépend de l'architecture du système entraîné par moteur, du profil vitesse/charge et des points de fonctionnement dans le temps de l’équipement entraîné.

Električni pogonski sistemi z nastavljivo hitrostjo - 9-2. del: Okoljsko primerno načrtovanje motornih pogonskih sistemov, motornih zaganjalnikov, močnostne elektronike in njihove naprave, ki jih ti poganjajo - Kazalniki energijske učinkovitosti pogonskih sistemov in motornih zaganjalnikov (IEC 61800-9-2:2017)

Standard IEC 61800-9-2:2017 določa kazalnike energetske učinkovitosti močnostne elektronike (celoviti pogonski moduli, CDM), pogonskih sistemov (PDS) in motornih zaganjalnikov, ki se uporabljajo za opremo na motorni pogon. Določa metodologijo za določanje izgub celovitega pogonskega modula (CDM), pogonskega sistema (PDS) in motornega sistema.
Opredeljuje razrede IE in IES in njihove mejne vrednosti ter navaja preskusne postopke za klasifikacijo skupne izgube motornih sistemov.
Poleg tega ta dokument predlaga metodologijo za uvedbo najboljše rešitve za energijsko učinkovitost pogonskih sistemov.
To je odvisno od arhitekture sistema na motorni pogon, hitrostnega/nalagalnega profila in delovnih točk pogonske opreme.

General Information

Status
Published
Publication Date
15-Jun-2017
Technical Committee
Drafting Committee
Current Stage
6060 - Document made available
Due Date
16-Jun-2017
Completion Date
16-Jun-2017

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SLOVENSKI STANDARD
SIST EN 61800-9-2:2017
01-december-2017
1DGRPHãþD
SIST EN 50598-2:2015
SIST EN 50598-2:2015/A1:2016

(OHNWULþQLSRJRQVNLVLVWHPL]QDVWDYOMLYRKLWURVWMRGHO2NROMVNRSULPHUQR

QDþUWRYDQMHPRWRUQLKSRJRQVNLKVLVWHPRYPRWRUQLK]DJDQMDOQLNRYPRþQRVWQH
HOHNWURQLNHLQQMLKRYHQDSUDYHNLMLKWLSRJDQMDMR.D]DOQLNLHQHUJLMVNH
XþLQNRYLWRVWLSRJRQVNLKVLVWHPRYLQPRWRUQLK]DJDQMDOQLNRY ,(&

Adjustable speed electrical power drive systems - Part 9-2: Ecodesign for power drive

systems, motor starters, power electronics & their driven applications - Energy efficiency

indicators for power drive systems and motor starters (IEC 61800-9-2:2017)

Drehzahlveränderbare elektrische Antriebe - Teil 9-2: Ökodesign für Antriebssysteme,

Motorstarter, Leistungselektronik und deren angetriebene Einrichtungen - Indikatoren für

die Energieeffizienz von Antriebssystemen und Motorstartern (IEC 61800-9-2:2017)
Ta slovenski standard je istoveten z: EN 61800-9-2:2017
ICS:
27.015 (QHUJLMVNDXþLQNRYLWRVW Energy efficiency. Energy
2KUDQMDQMHHQHUJLMHQD conservation in general
VSORãQR
29.200 8VPHUQLNL3UHWYRUQLNL Rectifiers. Convertors.
6WDELOL]LUDQRHOHNWULþQR Stabilized power supply
QDSDMDQMH
SIST EN 61800-9-2:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 61800-9-2:2017
---------------------- Page: 2 ----------------------
SIST EN 61800-9-2:2017
EUROPEAN STANDARD EN 61800-9-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2017
ICS 29.130.01; 29.160.30; 29.200 Supersedes EN 50598-2:2014
English Version
Adjustable speed electrical power drive systems -
Part 9-2: Ecodesign for power drive systems, motor starters,
power electronics and their driven applications - Energy
efficiency indicators for power drive systems and motor starters
(IEC 61800-9-2:2017)

Entraînements électriques de puissance à vitesse variable - Drehzahlveränderbare elektrische Antriebe -

Partie 9-2: Ecoconception des entraînements électriques de Teil 9-2: Ökodesign für Antriebssysteme, Motorstarter,

puissance, des démarreurs de moteurs, de l'électronique de Leistungselektronik und deren angetriebene Einrichtungen -

puissance et de leurs applications entraînées - Indicateurs Indikatoren für die Energieeffizienz von Antriebssystemen

d'efficacité énergétique pour les entraînements électriques und Motorstartern
de puissance et les démarreurs de moteurs (IEC 61800-9-2:2017)
(IEC 61800-9-2:2017)

This European Standard was approved by CENELEC on 2017-04-07. 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 CEN-CENELEC

Management Centre 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 CEN-CENELEC Management Centre has the

same status as the official versions.

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. EN 61800-9-2:2017 E
---------------------- Page: 3 ----------------------
SIST EN 61800-9-2:2017
EN 61800-9-2:2017
European foreword

The text of document 22G/349/FDIS, future edition 1 of IEC 61800-9-2, 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

approved by CENELEC as EN 61800-9-2:2017.
The following dates are fixed:
• latest date by which the document has to be implemented at (dop) 2018-01-07
national level by publication of an identical national
standard or by endorsement
• latest date by which the national standards conflicting with (dow) 2020-04-07
the document have to be withdrawn
This document supersedes EN 50598-2:2014.

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.

This document has been prepared under a mandate given to CENELEC by the European Commission

and the European Free Trade Association, and supports essential requirements of EU Directive(s).

For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this

document.
Endorsement notice

The text of the International Standard IEC 61800-9-2:2017 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 NOTE Harmonized in EN 60034 series.
IEC/TS 60034-25 NOTE Harmonized as CLC/TS 60034-25.
IEC 60034-30 NOTE Harmonized in EN 60034-30 series.
IEC/TS 60034-31 NOTE Harmonized as CLC/TS 60034-31.
IEC 60146-1-1 NOTE Harmonized as EN 60146-1-1.
IEC 60947-4-2 NOTE Harmonized as EN 60947-4-2.
IEC 61000-3-12 NOTE Harmonized as EN 61000-3-12.
IEC 61800-2 NOTE Harmonized as EN 61800-2.
---------------------- Page: 4 ----------------------
SIST EN 61800-9-2:2017
EN 61800-9-2:2017
IEC 61800-3 NOTE Harmonized as EN 61800-3.
IEC 61800-5-1 NOTE Harmonized as EN 61800-5-1.
IEC 61800-9 NOTE Harmonized in EN 61800-9 series.
IEC 61800-9-1 NOTE Harmonized as EN 61800-9-1.
---------------------- Page: 5 ----------------------
SIST EN 61800-9-2:2017
EN 61800-9-2:2017
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. 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 60038 (mod) 2009 IEC standard voltages EN 60038 2011
IEC 60050-161 - International Electrotechnical - -
Vocabulary (IEV) - Chapter 161:
Electromagnetic compatibility
IEC 60034-1 - Rotating electrical machines - Part 1: EN 60034-1 2010
Rating and performance
IEC 60034-2-1 2014 Rotating electrical machines - Part 2-1: EN 60034-2-1 2014
Standard methods for determining
losses and efficiency from tests
(excluding machines for traction
vehicles)
IEC/TS 60034-2-3 - Rotating electrical machines - Part 2-3: - -
Specific test methods for determining
losses and efficiency of converter-fed
AC induction motors
IEC 60034-30-1 - Rotating electrical machines - Part 30-1: EN 60034-30-1 2014
Efficiency classes of line operated AC
motors (IE code)
IEC 60947-4-1 - Low-voltage switchgear and EN 60947-4-1 2010
controlgear - Part 4-1: Contactors and
+ A1 2012
motor-starters - Electromechanical
contactors and motor-starters
IEC/TS 61800-8 - Adjustable speed electrical power drive - -
systems - Part 8: Specification of
voltage on the power interface
IEC/TS 62578 - Power electronics systems and - -
equipment - Operation conditions and
characteristics of active infeed converter
(AIC) applications including design
recommendations for their emission
values below 150 kHz
---------------------- Page: 6 ----------------------
SIST EN 61800-9-2:2017
EN 61800-9-2:2017
Annex ZZ
(informative)
Relationship between this European Standard and the ecodesign requirements
of Commission Regulation (EC) No 640/2009 of 22 July 2009 implementing
Directive 2005/32/EC of the European Parliament and of the Council with regard
to ecodesign requirements for electric motors aimed to be covered

This standard has been prepared following the Commission’s standardization request mandate to

CEN, CENELEC and ETSI for Standardisation in the field of electrical motors with variable speed

control and/or Power Drive System products, M/476 EN, to provide one voluntary means of

conforming to ecodesign requirements of Commission Regulation (EC) No 640/2009 of 22 July 2009

implementing Directive 2005/32/EC of the European Parliament and of the Council with regard to

ecodesign requirements for electric motors.

Once this standard is cited in the Official Journal of the European Union under that Regulation,

compliance with the normative clauses of this standard given in Table ZZ.1 confers, within the limits of

the scope of this standard, a presumption of conformity with the corresponding ecodesign

requirements of that Regulation, and associated EFTA regulations.
Table ZZ.1 – Correspondence between this European Standard and Commission

Regulation (EC) No 640/2009 of 22 July 2009, Articles 2.2, 3.2 and 3.3 and Annex I,

implementing Directive 2005/32/EC of the European Parliament and of the Council
with regard to ecodesign requirements for electric motors and

Mandate to CEN, CENELEC and ETSI for Standardisation in the field of variable speed drives

and/or Power Drive System products M/476, relating to Directive 2009/125/EC establishing a

framework for the setting of ecodesign requirements for energy-related products (recast)

Ecodesign requirements of Clause(s) / sub-clause(s) Remarks / Notes
Regulation (EC) No 640/2009 of this EN 61800-9-2
Article 2.2: Clause 3 sets the international The comprehensive definitions are
confirmed definitions to necessary to clarify possible
Definition of variable speed control
comprehensively understand the misunderstandings and to set the
correct terms needed to purchase link for fulfilling this regulation with
and to apply the VSD technology necessary equipment in terms of:
and auxiliaries, as VSD is not the VSD, ASD, VFD, BDM, CDM, PDS.
standardized term.
Article 3.2: Subclauses 4.1 and 4.2 set the The option to use an IE2 motor in a
definitions for the concept of variable speed application instead
From 1. January 2015: motors with
reference losses and for the of an IE3 motor depends mainly on
a rated output of 7,5-375 kW shall
optional relevant “torque versus the torque versus speed
not be less efficient than the IE3
speed operating points (including characteristic of the driven
efficiency level, as defined in
part load conditions)”. equipment and how it is applied. In
Annex I, point 1, or meet the IE2
order to do the right optional
efficiency level, as defined in Subclause 4.3 sets the workflow
decision for maximum energy
Annex I, point 1, and be equipped requirements to analyse the
savings, EN 61800-9-2 gives the
with a variable speed drive. variable speed drive in combination
fundamental requirements, the
with driven equipment.
Article 3.3:
workflows and the classification
Subclauses 4.4 - 4.8 set the IE and
From 1 January 2017: motors with
system for variable speed drives to
the IES classification system for
a rated output of 0,75-375 kW shall
do the fundamental assessment in
converters and variable speed
not be less efficient than the IE3
the power range of 0,12 kW up to
drives.
efficiency level, as defined in
1000 kW.
Annex I, point 1, or meet the IE2 Clause 7 sets the requirements for
efficiency level, as defined in losses determination and type
Annex I, point 1, and be equipped testing to verify the efficiency
with a variable speed drive. classes.
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SIST EN 61800-9-2:2017
EN 61800-9-2:2017
Ecodesign requirements of Clause(s) / sub-clause(s) Remarks / Notes
Regulation (EC) No 640/2009 of this EN 61800-9-2

Annex I, point 2: Clause 8 sets the requirements for All energy efficiency related

the documentation that shall be equipment labels (IE as well as IES
Information on the mandatory
provided by the manufacturers of classes) are addressed, in order to
requirement to equip motors, which
the electronic frequency converters ensure a classification of the CDM,
do not meet the IE3 efficiency level
and the variable speed drives. PDS.
with a variable speed drive, shall be
visibly displayed on the rating plate, Also the provisions of sufficient
technical documentation of the information are fixed, to recognize
motor. this classification for the final
application and/or system, where
the converters or variable speed
drives are used as components.
Annex I, point 2: Subclause 8.4 sets requirements Electromagnetic compatibility
for the determination of additional (EMC) requirements are specific
Manufacturers shall provide
energy losses and part load items for variable speed drives and
information in the technical
conditions depending on the are handled in the dedicated
documentation on any specific
BDM/CDM/PDS architecture and product standard EN 61800-3.
precautions that must be taken
the possible use of options for
when motors are assembled, Following those requirements leads
compliance to other performance or
installed, maintained or used with to a fully compliant operation of
environmental requirements.
variable speed drives, including variable speed drives since
information on how to minimize Clause 2 sets the relevant decades.
electrical and magnetic fields from information on how to minimize
variable speed drives. electrical and magnetic fields from
variable speed drives and the
specific information by requesting
reference to EN 61800-3
“Electromagnetic compatibility
requirements and specific test
methods”.
Subclauses B.3.1 and B.3.2 are
describing the use of high
frequency electromagnetic
interference filters and low
frequency line harmonics filters to
minimize electrical and magnetic
fields from variable speed drive
systems.

WARNING 1: Presumption of conformity stays valid only as long as a reference to this European

Standard is maintained in the list published in the Official Journal of the European Union. Users of this

standard should consult frequently the latest list published in the Official Journal of the European

Union.

WARNING 2: Other Union legislation may be applicable to the motor systems falling within the scope

of this standard.
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SIST EN 61800-9-2:2017
IEC 61800-9-2
Edition 1.0 2017-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Adjustable speed electrical power drive systems –
Part 9-2: Ecodesign for power drive systems, motor starters, power electronics
and their driven applications – Energy efficiency indicators for power drive
systems and motor starters
Entraînements électriques de puissance à vitesse variable –
Partie 9-2: Écoconception des entraînements électriques de puissance, des
démarreurs de moteurs, de l'électronique de puissance et de leurs applications
entraînées – Indicateurs d'efficacité énergétique pour les entraînements
électriques de puissance et les démarreurs de moteurs
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.01; 29.160.30; 29.200 ISBN 978-2-8322-3996-4

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 9 ----------------------
SIST EN 61800-9-2:2017
– 2 – IEC 61800-9-2:2017 © IEC 2017
CONTENTS

FOREWORD ........................................................................................................................... 8

INTRODUCTION ................................................................................................................... 10

1 Scope ............................................................................................................................ 12

2 Normative references .................................................................................................... 13

3 Terms, definitions, symbols and abbreviated terms ........................................................ 14

3.1 Terms and definitions ............................................................................................ 14

3.2 Symbols and abbreviated terms ............................................................................ 17

4 Reference PDS (RPDS), reference CDM (RCDM) and reference motor (RM) ................. 24

4.1 General ................................................................................................................. 24

4.2 Reference operating points of the RPDS, RCDM, RM and associated losses ........ 25

4.3 Combining PDS losses with the driven equipment – Workflow for the semi-

analytical model (SAM) ......................................................................................... 27

4.4 IE classes of line-fed motors ................................................................................. 29

4.5 IE classes of converter-fed motors ........................................................................ 29

4.6 IE Classes of frequency converters (complete drive modules, CDM) ..................... 29

4.7 IES Classes of a PDS ........................................................................................... 29

4.8 Consistency of IE and IES classes ........................................................................ 30

4.9 Determination of the IES class of a PDS by application of "reference" and

"test" devices and guidance for the manufacturers ................................................ 30

5 Mathematical model of CDM, motor and PDS ................................................................ 32

5.1 General ................................................................................................................. 32

5.2 CDM losses .......................................................................................................... 32

5.2.1 General procedure and definition of the CDM and the test load ..................... 32

5.2.2 Output inverter losses .................................................................................... 34

5.2.3 Input converter losses ................................................................................... 37

5.2.4 Input choke losses ......................................................................................... 38

5.2.5 DC link losses................................................................................................ 39

5.2.6 Current conductor losses ............................................................................... 39

5.2.7 Control and standby losses ............................................................................ 40

5.2.8 Cooling loss factor ......................................................................................... 40

5.2.9 Other CDM losses ......................................................................................... 40

5.2.10 Overall CDM losses ....................................................................................... 40

5.3 Motor losses ......................................................................................................... 41

5.3.1 General ......................................................................................................... 41

5.3.2 Additional harmonic losses of three-phase asynchronous motors fed by

a CDM ........................................................................................................... 42

5.3.3 Reference motor (RM) data ........................................................................... 42

5.4 Reference PDS (RPDS) ........................................................................................ 43

5.4.1 Reference PDS losses ................................................................................... 43

5.4.2 PDS losses at different switching frequencies ................................................ 44

5.5 PDS losses for regenerative operation .................................................................. 45

5.6 Losses of motor starters ....................................................................................... 45

6 Limits of IE and IES classes .......................................................................................... 46

6.1 General ................................................................................................................. 46

6.2 CDM ..................................................................................................................... 46

6.3 Motor .................................................................................................................... 48

6.4 PDS ...................................................................................................................... 48

---------------------- Page: 10 ----------------------
SIST EN 61800-9-2:2017
IEC 61800-9-2:2017 © IEC 2017 – 3 –

7 Loss determination ........................................................................................................ 51

7.1 General ................................................................................................................. 51

7.2 Type testing of CDM for IE classification ............................................................... 51

7.3 Type testing of PDS for IES classification ............................................................. 52

7.4 Determination procedures for CDM and PDS losses in part load operation............ 52

7.5 CDM loss calculation ............................................................................................ 53

7.6 PDS loss calculation ............................................................................................. 53

7.7 Input-output measurement method ........................................................................ 53

7.7.1 Input-output measurement of CDM losses ..................................................... 53

7.7.2 Input-output measurement of PDS losses ...................................................... 54

7.7.3 Requirements of input-output measurement methods .................................... 54

7.8 Calorimetric measurement of CDM losses ............................................................. 57

7.9 Testing conditions for CDM testing ........................................................................ 58

7.10 Testing conditions for PDS testing ........................................................................ 59

7.11 Flowcharts for test procedures .............................................................................. 59

8 Requirements for the user’s documentation ................................................................... 62

8.1 General ................................................................................................................. 62

8.2 Information for selection ....................................................................................... 62

8.3 Information for determination of energy efficiency classification ............................ 63

8.4 Information on the determination of additional energy losses and part load

conditions ............................................................................................................. 63

8.4.1 General ......................................................................................................... 63

8.4.2 Losses in part load conditions ........................................................................ 63

8.4.3 Losses of auxiliaries and options ................................................................... 63

8.4.4 Losses in stand-by mode ............................................................................... 64

8.4.5 Losses in regenerative mode ......................................................................... 64

Annex A (normative) Losses of RCDM, RM and RPDS ......................................................... 65

A.1 Relative loss tables ............................................................................................... 65

Annex B (informative) Description of the elements of an extended product using PDS

with regard to their impact on losses.............................................................................. 69

B.1 General ................................................................................................................. 69

B.2 Losses in the mains cabling and feeding section ................................................... 69

B.3 Input filter ............................................................................................................. 70

B.3.1 High frequency EMI filter ............................................................................... 70

B.3.2 Low frequency line harmonics filter ................................................................ 71

B.4 Input converter ...................................................................................................... 71

B.4.1 General ......................................................................................................... 71

B.4.2 Diode rectifier ................................................................................................ 72

B.4.3 Active infeed converter .................................................................................. 72

B.4.4 Power factor of the input converter ................................................................ 74

B.5 DC link .................................................................................................................. 75

B.6 Output inverter ...................................................................................................... 76

B.7 Output filter and motor cables ............................................................................... 77

B.7.1 General ......................................................................................................... 77

B.7.2 Sine wave filters ............................................................................................ 78

B.7.3 dV/dt filters and motor chokes ........................................................................ 79

B.7.4 High frequency EMI motor filters .................................................................... 79

B.7.5 Motor cables .................................................................................................. 79

---------------------- Page: 11 ----------------------
SIST EN 61800-9-2:2017
– 4 – IEC 61800-9-2:2017 © IEC 2017

B.8 Motor .................................................................................................................... 79

B.9 Mechanical load .................................................................................................... 79

B.10 Control and standby losses ................................................................................... 79

B.11 Cooling losses ...................................................................................................... 80

B.11.1 Primary cooling losses ................................................................................... 80

B.11.2 Secondary cooling losses .............................................................................. 80

Annex C (informative) Converter topology ............................................................................ 81

C.1 General ................................................................................................................. 81

C.2 Voltage source output inverter topologies different from those

mathematically described in 5.2.2 ......................................................................... 81

C.3 Voltage source input converter topologies different from those

mathematically described in 5.2.3 ......................................................................... 81

C.4 CDM topologies different from voltage source type ............................................... 82

Annex D (informative) Motor model and loss interpolation .................................................... 83

D.1 Overview............................................................................................................... 83

D.2 Losses of AC motors ............................................................................................. 83

D.2.1 General ............
...

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