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IEC 60071-11-ed.1.0
Insulation co-ordination - Part 11:Definitions, principles and rules for HVDC system
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STANDARD published on 8.11.2022
The information about the standard:
Designation standards: IEC 60071-11-ed.1.0
Publication date standards: 8.11.2022
SKU: NS-1092393
The number of pages: 77
Approximate weight : 231 g (0.51 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60071-11-ed.1.0 :
IEC 60071-11:2022 applies to high-voltage direct current (HVDC) systems. It specifies the principles on the procedures for the determination of the specified withstand voltages, creepage distance and air clearances for the equipment and the installations of these systems. This document gives the insulation co-ordination principles related to line commutated converter (LCC) and voltage sourced converters (VSC) HVDC systems. The main principles of this document also apply to other special converter configurations of LCC, such as the capacitor commutated converter (CCC) as well as the controlled series compensated converter (CSCC), etc. This document applies to insulation co-ordination of equipment connected between the converter AC bus (including the AC harmonic filters, the converter transformer, the circuit breakers) and the DC line side. The line and cable terminations in so far as they influence the insulation co-ordination of converter station equipment are also covered. This document applies only for HVDC applications in power systems and not for industrial conversion equipment. Principles and guidance given are for insulation co-ordination purposes only. The requirements for human safety are not covered by this document. This international standard replaces, in conjunction with IEC 60071-12, IEC 60071-5 published in 2014. This edition includes the following significant technical changes with respect to IEC 60071-5:2014: This standard applies to both LCC and VSC HVDC systems whereas IEC 60071-5 only dealt with LCC HVDC system; Annex C (normative) gives the recommended specified withstand voltage (LI and SI); Annex C (normative) gives the minimum air clearances; Annex E shows the correlation of clauses between this standard and IEC 60071-5:2014. The contents of the corrigendum of November 2023 have been included in this copy. LIEC 60071-11:2022 sapplique aux reseaux a courant continu a haute tension (CCHT). Elle specifie les principes relatifs aux procedures de determination des tensions de tenue specifiees, de la ligne de fuite et des distances disolement dans lair pour lequipement et linstallation de ces reseaux. Le present document donne les principes de coordination de lisolement relatifs aux reseaux CCHT qui comportent des convertisseurs commutes par le reseau (LCC) et des convertisseurs a source de tension (VSC). Les principes fondamentaux du present document sappliquent egalement a dautres configurations specifiques de LCC, comme le convertisseur a condensateur commute (CCC), le convertisseur a condensateurs en serie controles (CCSC), etc. Le present document sapplique a la coordination de lisolement du materiel raccorde entre la barre a courant alternatif du convertisseur (y compris les filtres dharmoniques cote courant alternatif, le transformateur convertisseur, les disjoncteurs) et le cote courant continu. Il traite egalement des terminaisons de lignes et de cables, en raison de leur incidence sur la coordination de lisolement du materiel des postes de conversion. Le present document ne sapplique quaux applications CCHT dans les reseaux dalimentation, et non au materiel de conversion a usage industriel. Les principes et les recommandations ne sont fournis que dans le cadre de la coordination de lisolement. Les exigences relatives a la securite des personnes ne sont pas traitees dans le present document. Cette Norme internationale remplace, conjointement avec lIEC 60071-12, lIEC 60071-5 parue en 2014. Cette edition inclut les modifications techniques majeures suivantes par rapport a lIEC 60071-5:2014: la presente norme sapplique aux reseaux CCHT LCC et VSC, tandis que lIEC 60071-5 concernait uniquement le reseau CCHT LCC; lAnnexe C (normative) fournit la tension de tenue specifiee recommandee (LI et SI); lAnnexe C (normative) fournit les distances minimales disolement dans lair; lAnnexe E indique la correspondance entre les articles/paragraphes de la presente norme et ceux de lIEC 60071-5:2014. Le contenu du corrigendum de novembre 2023 a ete pris en consideration dans cet exemplaire.
These corrections apply to this standard:
IEC 60071-11-ed.1.0/Cor.1
Correction
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Corrigendum 1 - Insulation co-ordination - Part 11:Definitions, principles and rules for HVDC system
(Corrigendum 1 - Coordination de l´isolement - Partie 11: Definitions, principes et regles relatifs au reseau CCHT)
Correction published on 29.11.2023
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