IEC 62747-2014 Terminology for voltage-sourced converters (VSC) for high-voltage direct current (HVDC) systems《高压直流(HVDC)系统用电压源换流器(VSC)术语》.pdf

1、 IEC 62747 Edition 1.0 2014-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Terminology for voltage-sourced converters (VSC) for high-voltage direct current (HVDC) systems Terminologie relative aux convertisseurs de source de tension (VSC) des systmes en courant continu haute tension (CCHT) IEC 62747

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19、lients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62747 Edition 1.0 2014-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Terminology for voltage-sourced converters (VSC) for high-voltage direct c

20、urrent (HVDC) systems Terminologie relative aux convertisseurs de source de tension (VSC) des systmes en courant continu haute tension (CCHT) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE V ICS 29.200; 29.240 PRICE CODE CODE PRIX ISBN 978-2-8322-1702-3 Register

21、ed trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeu

22、r agr. colour inside 2 IEC 62747:2014 IEC 2014 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references. 5 3 Symbols and abbreviations 5 3.1 List of letter symbols . 5 3.2 List of subscripts . 6 3.3 List of abbreviations 7 4 Graphical symbols . 8 5 General terms related to converter circuits . 9 6 VSC

23、 topologies 10 7 Converter units and valves . 10 8 Converter operating conditions. 16 9 HVDC systems and substations . 20 10 HVDC substation equipment 23 11 Modes of control 26 12 Control systems . 27 Bibliography . 30 Figure 1 Converter symbol identifications . 7 Figure 2 Graphical symbols 8 Figure

24、 3 Voltage-sourced converter unit . 11 Figure 4 Phase unit of the modular multi-level converter (MMC) in basic half-bridge, two-level arrangement, with submodules . 13 Figure 5 Phase unit of the cascaded two-level converter (CTL) in half-bridge form 14 Figure 6 Phasor diagram showing a.c. system vol

25、tage, converter a.c. voltage and converter a.c. current 18 Figure 7 Example of bipolar VSC transmission with earth return 21 Figure 8 VSC transmission with a symmetrical monopole illustrated with capacitive earthing on the d.c. side 22 Figure 9 VSC transmission with an asymmetrical monopole with met

26、allic return 22 Figure 10 VSC transmission with an asymmetrical monopole with earth return 22 Figure 11 Major components that may be found in a VSC substation . 25 Figure 12 Hierarchical structure of an HVDC control system . 29 IEC 62747:2014 IEC 2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ TE

27、RMINOLOGY FOR VOLTAGE-SOURCED CONVERTERS (VSC) FOR HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of I

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37、pensable 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 62747

38、has been prepared by subcommittee 22F: Power electronics for electrical transmission and distribution systems, of IEC technical committee 22: Power electronic systems and equipment. The text of this standard is based on the following documents: CDV Report on voting 22F/301/CDV 22F/317A/RVC Full info

39、rmation on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 4 IEC 62747:2014 IEC 2014 The committee has decided that the contents of this publication wi

40、ll remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the c

41、over page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. IEC 62747:2014 IEC 2014 5 TERMINOLOGY FOR VOLTAGE-SOURCED CONVERTERS (VSC) FOR HIGH-VOL

42、TAGE DIRECT CURRENT (HVDC) SYSTEMS 1 Scope This International Standard defines terms for the subject of self-commutated voltage-sourced converters used for transmission of power by high voltage direct current (HVDC). The standard is written mainly for the case of application of insulated gate bipola

43、r transistors (IGBTs) in voltage sourced converters (VSC) but may also be used for guidance in the event that other types of semiconductor devices which can both be turned on and turned off by control action are used. Line-commutated and current-sourced converters for high-voltage direct current (HV

44、DC) power transmission systems are specifically excluded from this standard. 2 Normative references 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 r

45、eferences, the latest edition of the referenced document (including any amendments) applies. IEC 60027 (all parts), Letter symbols to be used in electrical technology IEC 60617, Graphical symbols for diagrams 3 Symbols and abbreviations 3.1 List of letter symbols Essential terms and definitions nece

46、ssary for the understanding of this standard are given here; other terminology is as per relevant parts of IEC 60747. The list covers only the most frequently used symbols (see Figure 1). IEC 60027 shall be used for a more complete list of the symbols which have been adopted for static converters. S

47、ee also other standards listed in the normative references and the bibliography. U ddirect voltage U dcconverter d.c. voltage U dpepole-to-earth direct voltage U dpppole-to-pole direct voltage U dppNrated pole-to-pole direct voltage U dpeNrated pole-to-earth direct voltage U Lline-to-line voltage on

48、 line side of interface transformer, r.m.s. value including harmonics 6 IEC 62747:2014 IEC 2014 U Leline-to-earth voltage on line side of interface transformer, r.m.s. value including harmonics U LNrated value of U LU vline-to-line voltage on valve side of interface transformer, r.m.s. value includi

49、ng harmonics U veline-to-earth voltage on valve side of interface transformer, r.m.s. value including harmonics U cline-to-line converter voltage, r.m.s. value including harmonics NOTE U cis equal to U vminus the voltage drop across the phase and valve reactors. However, U chas only a clear meaning during balanced conditions (steady state). U celine-to-earth converter voltage , r.m.s. value including harmonics U valvevolta