1、 IEC/TS 62672-1 Edition 1.0 2013-11 TECHNICAL SPECIFICATION Reliability and availability evaluation of HVDC systems Part 1: HVDC systems with line commutated converters IEC/TS 62672-1:2013(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC, Geneva, Switzerland All rights reserved. Unless
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9、ability evaluation of HVDC systems Part 1: HVDC systems with line commutated converters INTERNATIONAL ELECTROTECHNICAL COMMISSION X ICS 29.240.01 PRICE CODE ISBN 978-2-8322-1182-3 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publicat
10、ion from an authorized distributor. 2 TS 62672-1 IEC:2013(E) CONTENTS FOREWORD . 5 1 Scope 7 2 Normative references 7 3 Terms, definitions and abbreviations . 8 3.1 Outage terms . 8 3.2 Capacity terms . 8 3.3 Outage duration terms . 9 3.4 Time categories . 9 3.5 Availability and utilization terms .
11、10 3.6 Commutation failure performance terms . 11 3.7 Abbreviations and symbols 11 4 Classification of HVDC transmission system equipment . 12 4.1 General 12 4.2 AC and auxiliary equipment (AC-E) 12 4.2.1 General 12 4.2.2 AC filter and other reactive power equipment (AC-E.F) . 13 4.2.3 AC control an
12、d protection (AC-E.CP) 13 4.2.4 Converter transformer (AC-E.TX) 13 4.2.5 Synchronous compensator (AC-E.SC) 13 4.2.6 Auxiliary equipment and auxiliary power (AC-E.AX) 13 4.2.7 Other AC switchyard equipment (AC-E.SW) 13 4.3 Valves (V) 14 4.3.1 General 14 4.3.2 Valve electrical (V.E) 14 4.3.3 Valve coo
13、ling (V.VC) 14 4.4 DC control and protection equipment (C-P) 14 4.4.1 General 14 4.4.2 Local control and protection (C-P.L) . 14 4.4.3 Master control and protection (C-P.M) 14 4.4.4 Telecommunications equipment (C-P.T) . 14 4.5 Primary DC equipment (DC-E) . 15 4.5.1 General 15 4.5.2 DC filters (DC-E
14、.F) . 15 4.5.3 DC smoothing reactors (DC-E.SR) 15 4.5.4 DC switching equipment (DC-E.SW) . 15 4.5.5 DC measuring equipment (DC-E.ME) 15 4.5.6 DC earth electrode (DC-E.GE) 15 4.5.7 DC earth electrode line (DC-E.EL) 15 4.5.8 Other DC switchyard and valve hall equipment (DC-E.O) 15 4.6 Other (O) . 16 4
15、.7 DC transmission line (TL) . 16 4.7.1 General 16 4.7.2 DC overhead transmission line (TL-OH) 16 4.7.3 DC underground/submarine cable (TL-C) 16 4.8 External (EXT) . 16 5 Classification and severity of fault events and restoration codes 16 TS 62672-1 IEC:2013(E) 3 5.1 Classification of fault events
16、16 5.2 Severity codes . 17 5.3 Restoration codes 18 6 Instructions for compilation of report 18 6.1 General 18 6.2 General instructions . 18 6.3 Instructions for Table 2 and Table 3 . 19 6.3.1 Section 1 19 6.3.2 Section 2 19 6.3.3 Sections 3, 4 and 5 . 19 6.3.4 Section 6 20 6.3.5 Section 7 20 6.4 In
17、structions for Table 4 and Table 5 . 23 6.4.1 Forced outages Table 4 . 23 6.4.2 Scheduled outages Table 5 . 23 6.5 Instructions for Table 6 25 6.6 Instructions for Table 7 26 6.7 Instructions for Table 8 26 6.8 Instructions for Table 9 27 7 Interpretation and evaluation of reports . 28 7.1 Calculati
18、on of outage duration . 28 7.2 External events 28 7.3 Protective operation . 28 7.4 Performance of special controls . 28 Annex A (informative) Outage log form and examples 30 A.1 Example of an outage log 30 A.2 Examples of application of rule f) of 6.3 scheduled outage during a forced outage . 32 A.
19、2.1 Case 1: Scheduled outage does not increase ODF or extends outage duration 32 A.2.2 Case 2: Scheduled outage increases ODF 33 A.3 Examples of application of rule g) of 6.3 second outage during an outage . 34 A.3.1 Case 1: Second outage does not increase ODF or extends outage duration 34 A.3.2 Cas
20、e 2: Second outage extends duration 35 A.3.3 Case 3: Second outage with variable ODF 36 Annex B (informative) Sample annual report 37 Bibliography 43 Figure A.1 Scheduled outage does not increase ODF or extends outage duration 32 Figure A.2 Scheduled outage increases ODF . 33 Figure A.3 Second outag
21、e does not increase ODF or extends outage duration 34 Figure A.4 Second outage extends duration . 35 Figure A.5 Second outage with variable ODF . 36 Table 1 Classification of fault events 17 Table 2 DC system performance for back-to-back systems and for two terminal systems reporting jointly (corres
22、ponding to Table 1 of Cigr TB 346:2008) . 21 4 TS 62672-1 IEC:2013(E) Table 3 DC system performance for multi-terminal systems and for stations reporting separately as part of two-terminal systems (corresponding to Table 1 M/S of Cigr TB 346:2008) . 22 Table 4 Forced outages HVDC substation (corresp
23、onding to Table 2FS of Cigr TB 346:2008) . 24 Table 5 Scheduled outages HVDC substation (corresponding to Table 2 SS of Cigr TB 346:2008) 24 Table 6 HVDC overhead line protection operations (corresponding to Table 3 of Cigr TB 346:2008). 25 Table 7 AC system faults and commutation failure starts (ba
24、ck-to-back, two terminal or multi-terminal systems) (corresponding to Table 4 of Cigr TB 346:2008) 26 Table 8 Converter unit hours and semiconductor devices failed (corresponding to Table 5 of Cigr TB 346:2008) 27 Table 9 Forced outage summary (corresponding to Table 6 of Cigr TB 346:2008) 29 Table
25、A.1 Example of an outage log. 30 Table B.1 DC system performance for two terminal systems reporting jointly . 37 Table B.2 Forced outages HVDC substation 38 Table B.3 Scheduled outages HVDC substation . 39 Table B.4 HVDC overhead line protection operations . 40 Table B.5 AC system faults and commuta
26、tion failure starts 40 Table B.6 Converter unit hours and semiconductor devices failed 41 Table B.7 Forced outage summary . 42 TS 62672-1 IEC:2013(E) 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RELIABILITY AND AVAILABILITY EVALUATION OF HVDC SYSTEMS Part 1: HVDC systems with line commutated conver
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40、chnical committee 115: High voltage direct current (HVDC) transmission for DC voltages above 100 kV. 6 TS 62672-1 IEC:2013(E) The text of this technical specification is based on the following documents: Enquiry draft Report on voting 115/68/DTS 115/75/RVC Full information on the voting for the appr
41、oval of this technical specification 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. Annexes A and B are for information only. A list of all parts in the IEC 62672 series, published under the gene
42、ral title Reliability and availability evaluation of HVDC systems, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the sp
43、ecific publication. At this date, the publication will be transformed into an International standard, reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. TS 62672-1 IEC:2013(E) 7 RELIABILITY AND AVAILABILITY EVALUA
44、TION OF HVDC SYSTEMS Part 1: HVDC systems with line commutated converters 1 Scope This part of IEC 62672 applies to all line-commutated high-voltage direct current (HVDC) transmission systems used for power exchange in utility systems. HVDC stations with voltage sourced converters (VSC) are not cove
45、red. In order to assess the operational performance of HVDC transmission systems, reliability and availability need to be evaluated. For this purpose the HVDC users/owners are encouraged to compile reports on an annual basis based on the recommendations given in this Technical Specification. The pur
46、pose of this part of IEC 62672 is to define a standardized reporting protocol so that data collected from different HVDC transmission systems can be compared on an equitable basis. It is recommended that such reports are sent to Cigr SC B4, “HVDC and Power Electronics” (http:/b4.cigre.org) who colle
47、cts such data and publishes a survey of HVDC systems throughout the world on a bi-annual basis. This part of IEC 62672 covers point-to-point transmission systems, back-to-back interconnections and multi-terminal transmission systems. For point-to-point systems and back-to-back interconnections, i.e.
48、 two-terminal systems, statistics are to be reported based on the total transmission capability from the sending end to the receiving end measured at a given point. If, however, the two terminals are operated by different users/owners, or are composed of equipment of different vintage or of equipmen
49、t from different suppliers, statistics can be reported on an individual station basis if so desired by those responsible for reporting. In such a case, the outage should only be reported under the originating converter station taking care not to report the same event twice. For distributed multi-terminal systems, i.e. systems with more than two terminals, statistics are to be reported separately for each converter station based on its own individual capa
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