{"id":1412,"date":"2019-07-03T14:50:04","date_gmt":"2019-07-03T14:50:04","guid":{"rendered":"https:\/\/www.sediver.com\/products\/hvdc-application\/"},"modified":"2026-03-12T12:42:03","modified_gmt":"2026-03-12T12:42:03","slug":"applications-haute-tension-courant-continu-hvdc","status":"publish","type":"products","link":"https:\/\/www.sediver.com\/fr\/produits\/applications-haute-tension-courant-continu-hvdc\/","title":{"rendered":"Applications HVDC"},"content":{"rendered":"<div class=\"lazyblock-accroche-1npj0y wp-block-lazyblock-accroche\"><p class=\"accroche\">Les isolateurs install\u00e9s sur les lignes HVDC doivent \u00eatre capables de r\u00e9sister aux contraintes sp\u00e9cifiques li\u00e9es au champ \u00e9lectrique unidirectionnel et au flux de courant qui peuvent g\u00e9n\u00e9rer une migration ionique et un emballement thermique, une accumulation particuli\u00e8re de pollution et un risque accru de corrosion des pi\u00e8ces m\u00e9talliques.<\/p><\/div>\n\n\n<p>Afin d\u2019obtenir des performances optimales et de r\u00e9pondre \u00e0 ces contraintes sp\u00e9cifiques, Sediver a d\u00e9velopp\u00e9, au milieu des ann\u00e9es 80, un isolateur courant continu exclusif qui allie :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>une composition chimique de verre tremp\u00e9 haute r\u00e9sistivit\u00e9 (HRTG) capable de limiter l&rsquo;effet de migration ionique<\/li>\n\n\n\n<li>un design optimis\u00e9 avec une plus grande distance de fuite, afin d\u2019am\u00e9liorer les performances en termes de pollution et de prot\u00e9ger les pi\u00e8ces m\u00e9talliques contre la corrosion \u00e9lectrolytique<\/li>\n\n\n\n<li>un processus de fabrication sp\u00e9cial, qui produit un verre d&rsquo;une tr\u00e8s grande puret\u00e9 et le rend moins sensible \u00e0 l\u2019accumulation ionique.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft\"><img decoding=\"async\" width=\"202\" height=\"145\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/iec-61325.jpg\" alt=\"\" class=\"wp-image-644\"\/><\/figure><\/div>\n\n\n\n<p>Cette avanc\u00e9e a largement contribu\u00e9 \u00e0 d\u00e9finir une norme de haute performance dans le secteur, y compris des crit\u00e8res sp\u00e9cifiques qui ont \u00e9t\u00e9 introduits ult\u00e9rieurement dans la norme CEI 61325. Cette norme reste la seule norme internationale d\u00e9crivant les exigences li\u00e9es au courant continu. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gamme <\/h2>\n\n\n\n<p>Les conditions sp\u00e9cifiques des applications courant continu n\u00e9cessitent que l\u2019isolateur soit con\u00e7u de fa\u00e7on \u00e0 r\u00e9duire le risque d\u2019accumulation de poussi\u00e8re excessive due aux champs \u00e9lectriques unidirectionnels.<br>Pour les applications courant continu, Sediver recommande de choisir des profils en verre favorisant l&rsquo;auto-nettoyage afin de r\u00e9duire l\u2019accumulation de pollution&nbsp;:<\/p>\n\n\n\n<p class=\"margin-small\">Profils recommand\u00e9s <\/p>\n\n\n<div class=\"lazyblock-thumbnail-text-2tUalB wp-block-lazyblock-thumbnail-text\"><div class=\"thumbnail-text\">\r\n  <div class=\"thumbnail-text__picture\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/fog_type.jpg\" alt=\"\">\r\n          \r\n  <\/div>\r\n   <div class=\"thumbnail-text__infos\">\r\n      <p class=\"thumbnail-text__infos__title\">Profils antipollution<\/p>\r\n      <p class=\"thumbnail-text__infos__subtitle\">pour les zones fortement pollu\u00e9es<\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"thumbnail-text\">\r\n  <div class=\"thumbnail-text__picture\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/open_profile.jpg\" alt=\"\">\r\n          \r\n  <\/div>\r\n   <div class=\"thumbnail-text__infos\">\r\n      <p class=\"thumbnail-text__infos__title\">Profils a\u00e9rodynamiques<\/p>\r\n      <p class=\"thumbnail-text__infos__subtitle\">pour les zones d\u00e9sertiques<\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"thumbnail-text\">\r\n  <div class=\"thumbnail-text__picture\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/outerib_profile.jpg\" alt=\"\">\r\n          \r\n  <\/div>\r\n   <div class=\"thumbnail-text__infos\">\r\n      <p class=\"thumbnail-text__infos__title\">Profils \u00e0 ailettes horizontales<\/p>\r\n      <p class=\"thumbnail-text__infos__subtitle\">pour les zones avec un niveau de pollution solide \u00e9lev\u00e9<\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Garanties m\u00e9caniques <\/h2>\n\n\n\n<p>70 kN \u00e0 840 kN <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L&rsquo;exp\u00e9rience in\u00e9gal\u00e9e de Sediver en mati\u00e8re de courant continu \u00e0 travers le monde <\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plus de 50 ans d\u2019exp\u00e9rience<\/strong> dans les applications HVDC.<\/li>\n\n\n\n<li><strong>Plus de 12 millions d\u2019isolateurs<\/strong> Sediver install\u00e9s \u00e0 travers le monde sur les lignes de transmission HVDC les plus prestigieuses, jusqu\u2019\u00e0 800 kV.<\/li>\n<\/ul>\n\n\n<div class=\"lazyblock-map-QFuFy wp-block-lazyblock-map\"><div class=\"map\">\r\n   <img decoding=\"async\" class=\"map__picture\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/2022SediverHVDCworldmap-scaled.jpg\" alt=\"map\"\/>\r\n   <div class=\"map__link\">\r\n     <button class=\"map__link__button\"><span class=\"icon-close\"><\/span>Localisation mondiale<\/button>\r\n     <div class=\"map__legend\">\r\n        1. \u00b1300 kV DC, Denmark-Sweden,Konti-Skan 1;2 and 3, 1965\/1988<br>2. \u00b1 260 kV DC, Canada, Vancouver Islands 42km, 1967<br>3. \u00b1200 kV DC, Italy-France, Corsica-Sardinia-Italy 264 km, 1967\/1992<br>4. \u00b1 500 kV DC, USA, Pacific Intertie 1 360 km, 1969\/2014\/2017-2019<br>5-6-7. \u00b1450&amp;500 kV DC, Canada, Kettle Winnipeg Nelson River, 2&#215;870 km Bipole I, II,&amp; Bipole III, 1.364 km, 1972 &amp; 2014-15<br>8. \u00b1 250&amp;350 kV DC, Denmark-Norway, Skagerrak 217 km, 1&amp;2;3 1975\/1993<br>9. \u00b1500 kV DC, USA, Dickinson &#8211; Coal Creek 687km, 1978<br>10. \u00b1500 kV DC, Mozambique, Cahora Bassa 1 420 km, 1978<br>11. \u00b1 500 kV DC, USA, New England 85 km, 1984<br>12. \u00b1 450 kV DC, Canada, Quebec- New England, 1 100 km, 1988<br>13-14. \u00b1600 kV DC, Brazil, Itaipu 1 &amp; 2, 2 x 800 km, 1984\/87<br>15. \u00b1500 kV DC, India, Rihand Dadri 814 km, 1987<br>16. \u00b1500 kV DC, Finland-Sweden, Fenno Skan 1&amp;2 136 km, 1988\/2009<br>17. \u00b1350 kV DC, New Zealand, North South Island 535 km, 1990<br>18. \u00b1500 kV DC, India, Chandrapur Padghe, 752 km, 1997<br>19. \u00b1400 kV DC, Italy-Greece Interconnection, 110 km, 1999<br>20. \u00b1500 kV DC, China, Tianshengqiao &#8211; Guangzhou 1 050 km, 2001\/2004<br>21. \u00b1500 kV DC, China, Guizhou &#8211; Guangdong 1 &amp; 2 2007 km, 2003<br>22. \u00b1500 kV DC, China, Yunnan &#8211; Guangdong 1 418 km, 2008<br>23. \u00b1500 kV DC, India, Ballia Bhiwadi 780 km, 2008\/2009<br>24. \u00b1500 kV DC, China, Deyang &#8211; Baoji 534 km, 2009<br>25. \u00b1500 kV DC, China, Gezhouba-Shanghai 1 929 km, 2009<br>26. \u00b1800 kV DC, India, Biswanath Agra 1 825 km, 2010\/11\/12<br>27. \u00b1800 kV DC, China, Jinping-Sunan 2 089 km, 2011<br>28. \u00b1800 kV DC, China, Nuozhadu-Guangdong 1 413 km, 2012<br>29. \u00b1500 kV DC, China, Xiluodu-Guangdong 1 251 km, 2012<br>30. \u00b1300 kV DC, Sweden, South-West Link \u2013 the Southern part, 2012<br>31-32. \u00b1600 kV DC, Brazil, Rio Madeira I&amp;II, 2 x 2 500 km, 2012\/13<br>33. \u00b1500 kV DC, Congo DR, Inga-Shaba 1 700 km, 2013\/2017<br>34. \u00b1500 kV DC, Canada, Eastern Alberta, 500 km, 2013<br>35. \u00b1800 kV DC, China, Hami-Zhengzhou 2 208 km, 2013<br>36. \u00b1 350 kV DC, Labrador-Newfoundland \u2013 Muskrat Falls,1 300 km, 2014<br>37. \u00b1500 kV DC, China, Jinzhong-Guangxi, 577 km, 2015<br>38. \u00b1500 kV DC, China, Guanyinyan DC, 700 km, 2015<br>39. \u00b1800 kV DC, Brazil, Belo Monte I, 2 000 km, 2015-17<br>40. \u00b1200 kV DC, Canada, Maritime link, 2016<br>41. \u00b1500 kV DC, Ethiopia-Kenya, Interconnection, 1 045 km, 2016-17<br>42.\u00a0 \u00b1800 kV DC China, Dianxibei, 1 928 km, 2017<br>43. \u00b1800 kV DC China, Ximeng-Taizhou, 1 620 km, 2017<br>44. \u00b1800 kV DC, Brazil, Belo Monte II, 2 300 km, 2017<br>45. \u00b1800 kV DC, China, Zhalute-Qingzhou, 1 320 km, 2017<br>46. \u00b1 800 kV DC, China, Shaanbei-Wuhan, 1 135 km, 2019<br>47. \u00b1800 kV DC, China, Qinghai-Henan, 1 575 km, 2019<br>48. \u00b1800 kV DC, China, Wudongde-Guangxi, 1 490 km, 2019<br>49. \u00b1500 kV DC, China, Yunnan-Guizhou Interconnection, 1283 km, 2019<br>50. \u00b1500 kV DC, Tajikistan-Afghanistan, Sangtuda to Deh Salah, 162 km, 2020<br>51. \u00b1800 kV DC, China, Baihetan-Jiangsu, 2269km, 2021<br>52. \u00b1800 kV DC, China, Baihetan-Zhejiang, 2193 km, 2021 \r\n     <\/div>\r\n   <\/div>\r\n   \r\n <\/div><\/div>","protected":false},"featured_media":646,"template":"","class_list":["post-1412","products","type-products","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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