{"id":1795,"date":"2026-07-03T03:21:13","date_gmt":"2026-07-03T03:21:13","guid":{"rendered":"https:\/\/cnfuerte.com\/?post_type=solution&#038;p=1795"},"modified":"2026-07-03T03:21:14","modified_gmt":"2026-07-03T03:21:14","slug":"greece-lightning-overvoltage-protection-for-weak-island-grids","status":"publish","type":"solution","link":"https:\/\/cnfuerte.com\/ru\/solutions\/greece-lightning-overvoltage-protection-for-weak-island-grids\/","title":{"rendered":"Greece \u2013 Lightning Overvoltage Protection for Weak Island Grids"},"content":{"rendered":"<p><strong><b>Project Background<\/b><\/strong><\/p>\n<p>Greece has over 3,000 islands, many powered by\u00a0<strong><b>weak island grids<\/b><\/strong>\u00a0\u2013 low short-circuit capacity, low inertia, and high sensitivity to voltage fluctuations. The Aegean Sea region experiences\u00a0<strong><b>frequent summer lightning storms<\/b><\/strong>, causing:<\/p>\n<ul>\n<li>Repeated lightning trips on overhead lines<\/li>\n<li>Arrester failures and transformer burnouts<\/li>\n<li>High outage costs during peak tourist seasons<\/li>\n<\/ul>\n<p>An island distribution utility urgently needed a\u00a0<strong><b>15-36kV overvoltage protection solution<\/b><\/strong>\u00a0tailored for weak grid + high lightning exposure.<\/p>\n<p><strong><b>Fuerte<\/b><\/strong><strong><b>\u00a0Solution<\/b><\/strong><\/p>\n<p>Zhejiang Fuerte\u00a0provided an integrated\u00a0<strong><b>island grid protection package<\/b><\/strong>:<\/p>\n<ol>\n<li><strong><b> High-Energy Distribution-Class Arresters (Y<\/b><\/strong><strong><b>H<\/b><\/strong><strong><b>Series)<\/b><\/strong><\/li>\n<\/ol>\n<ul>\n<li>Fast response MOA varistors per IEC 60099-4<\/li>\n<li>High energy absorption capability for multiple successive lightning strikes<\/li>\n<li>Composite housing for salt-fog and humidity resistance<\/li>\n<\/ul>\n<ol start=\"2\">\n<li><strong><b> Fully Insulated Drop-out Fuses<\/b><\/strong><\/li>\n<\/ol>\n<ul>\n<li>Enclosed structure prevents oxidation and moisture ingress in seaside environments<\/li>\n<li>Prevents nuisance tripping caused by salt contamination<\/li>\n<\/ul>\n<ol start=\"3\">\n<li><strong><b> Customized Insulation Coordination<\/b><\/strong><\/li>\n<\/ol>\n<ul>\n<li>Recalculated protection parameters based on actual island short-circuit capacity and insulation levels<\/li>\n<li>Achieved optimal coordination between arresters, fuses, and transformers \u2013 no protection dead zones<\/li>\n<\/ul>\n<ol start=\"4\">\n<li><strong><b> Full Technical Support<\/b><\/strong><\/li>\n<\/ol>\n<ul>\n<li>Pre-sales insulation coordination and protection grading study<\/li>\n<li>On-site installation and commissioning support<\/li>\n<\/ul>\n<p><strong><b>Project Results &amp; Customer Feedback<\/b><\/strong><\/p>\n<p>After the\u00a0<strong><b>2024 lightning season<\/b><\/strong>, the utility reported:<\/p>\n<ul>\n<li><b><\/b><strong><b>55% year-on-year reduction<\/b><\/strong>in line trip-outs due to lightning<\/li>\n<li><b><\/b><strong><b>Zero transformer burnouts<\/b><\/strong>\u2013 eliminated by proper arrester-fuse coordination<\/li>\n<\/ul>\n<p><em><i>\u201cWe had tried several suppliers, but the problems never went away. <\/i><\/em><em><i>Fuerte<\/i><\/em><em><i>\u2019s team took time to understand our weak grid characteristics. Their solution finally fixed the problem. Good price, fast delivery, and real engineering capability.\u201d<\/i><\/em><br \/>\n\u2014 Technical Director, Greek Island Distribution Utility<\/p>","protected":false},"excerpt":{"rendered":"<p>Project Background Greece has over 3,000 islands, many powered by\u00a0weak island grids\u00a0\u2013 low short-circuit capacity, low inertia, and high sensitivity to voltage fluctuations. The Aegean Sea region experiences\u00a0frequent summer lightning storms, causing: Repeated lightning trips on overhead lines Arrester failures and transformer burnouts High outage costs during peak tourist seasons An island distribution utility urgently [&hellip;]<\/p>\n","protected":false},"featured_media":1796,"template":"","meta":{"_gspb_post_css":""},"class_list":["post-1795","solution","type-solution","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/cnfuerte.com\/ru\/wp-json\/wp\/v2\/solution\/1795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnfuerte.com\/ru\/wp-json\/wp\/v2\/solution"}],"about":[{"href":"https:\/\/cnfuerte.com\/ru\/wp-json\/wp\/v2\/types\/solution"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnfuerte.com\/ru\/wp-json\/wp\/v2\/media\/1796"}],"wp:attachment":[{"href":"https:\/\/cnfuerte.com\/ru\/wp-json\/wp\/v2\/media?parent=1795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}