{"id":8962,"date":"2026-01-31T12:29:24","date_gmt":"2026-01-31T10:29:24","guid":{"rendered":"https:\/\/ukrmedia.news\/?p=8962"},"modified":"2026-01-31T12:29:24","modified_gmt":"2026-01-31T10:29:24","slug":"cascaded-energy-system","status":"publish","type":"post","link":"https:\/\/ukrmedia.news\/en\/main-news\/cascaded-energy-system\/","title":{"rendered":"Ukrainian NPPs have been urgently unloaded"},"content":{"rendered":"<h2>Emergency shutdown of 400 kV and 750 kV lines caused a cascading failure in the power system<\/h2>\n<p data-start=\"211\" data-end=\"410\">A serious accident occurred in the power system due to the disconnection of main power lines. This was announced by the Minister of Energy of Ukraine <strong data-start=\"368\" data-end=\"409\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Denis Shmygal<\/span><\/span><\/strong>.<\/p>\n<h3 data-start=\"412\" data-end=\"426\">What happened<\/h3>\n<p data-start=\"427\" data-end=\"499\">According to the head of government, there was a technological disruption with a blackout:<\/p>\n<ul data-start=\"500\" data-end=\"710\">\n<li data-start=\"500\" data-end=\"611\">\n<p data-start=\"502\" data-end=\"611\">lines <strong data-start=\"508\" data-end=\"518\">400 kV<\/strong> between <strong data-start=\"523\" data-end=\"564\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Romania<\/span><\/span><\/strong> and <strong data-start=\"568\" data-end=\"609\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Moldova<\/span><\/span><\/strong><\/p>\n<\/li>\n<li data-start=\"612\" data-end=\"710\">\n<p data-start=\"614\" data-end=\"710\">lines <strong data-start=\"620\" data-end=\"630\">750 kV<\/strong> between the western and central parts <strong data-start=\"669\" data-end=\"710\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Ukraine<\/span><\/span><\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"712\" data-end=\"843\">The result was <strong data-start=\"733\" data-end=\"771\">Nuclear power plants have been unloaded<\/strong>, which is a standard security system response to a loss of network stability.<\/p>\n<h3 data-start=\"845\" data-end=\"857\">Consequences.<\/h3>\n<p data-start=\"858\" data-end=\"1079\">A technological failure led to <strong data-start=\"888\" data-end=\"914\">cascade shutdown<\/strong> and <strong data-start=\"918\" data-end=\"955\">activation of automatic protections<\/strong> in the power system. This was the reason for large-scale emergency power outages in Ukraine and neighbouring countries.<\/p>\n<h3 data-start=\"1081\" data-end=\"1093\">Context.<\/h3>\n<p data-start=\"1094\" data-end=\"1398\">The Ukrainian power system operates in synchronisation with the European ENTSO-E grid, so disruptions on key interconnectors can have a cross-border effect. Experts. <strong data-start=\"1258\" data-end=\"1299\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Ukrenergo<\/span><\/span><\/strong> and neighbouring operators are working to stabilise the regime and restore normal grid operations.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0410\u0432\u0430\u0440\u0456\u0439\u043d\u0435 \u0432\u0456\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044f \u043b\u0456\u043d\u0456\u0439 400 \u0456 750 \u043a\u0412 \u0441\u043f\u0440\u0438\u0447\u0438\u043d\u0438\u043b\u043e \u043a\u0430\u0441\u043a\u0430\u0434\u043d\u0438\u0439 \u0437\u0431\u0456\u0439 \u0432 \u0435\u043d\u0435\u0440\u0433\u043e\u0441\u0438\u0441\u0442\u0435\u043c\u0456 \u0412 \u0435\u043d\u0435\u0440\u0433\u043e\u0441\u0438\u0441\u0442\u0435\u043c\u0456 \u0441\u0442\u0430\u043b\u0430\u0441\u044f \u0441\u0435\u0440\u0439\u043e\u0437\u043d\u0430 \u0430\u0432\u0430\u0440\u0456\u044f, \u043f\u043e\u0432\u2019\u044f\u0437\u0430\u043d\u0430 \u0437 \u0432\u0456\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044f\u043c \u043c\u0430\u0433\u0456\u0441\u0442\u0440\u0430\u043b\u044c\u043d\u0438\u0445 \u043b\u0456\u043d\u0456\u0439 \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0456. \u041f\u0440\u043e \u0446\u0435 \u043f\u043e\u0432\u0456\u0434\u043e\u043c\u0438\u0432 \u043c\u0456\u043d\u0456\u0441\u0442\u0440 \u0435\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u043a\u0438 \u0423\u043a\u0440\u0430\u0457\u043d\u0438 \u0414\u0435\u043d\u0438\u0441 \u0428\u043c\u0438\u0433\u0430\u043b\u044c. \u0429\u043e \u0441\u0442\u0430\u043b\u043e\u0441\u044f \u0417\u0430 \u0441\u043b\u043e\u0432\u0430\u043c\u0438 \u0433\u043b\u0430\u0432\u0438 \u0443\u0440\u044f\u0434\u0443, \u0432\u0456\u0434\u0431\u0443\u043b\u043e\u0441\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0456\u0447\u043d\u0435 \u043f\u043e\u0440\u0443\u0448\u0435\u043d\u043d\u044f \u0437 \u0432\u0456\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044f\u043c: \u043b\u0456\u043d\u0456\u0439 400 \u043a\u0412 \u043c\u0456\u0436 \u0420\u0443\u043c\u0443\u043d\u0456\u044f \u0442\u0430 \u041c\u043e\u043b\u0434\u043e\u0432\u0430 \u043b\u0456\u043d\u0456\u0457 750 \u043a\u0412 \u043c\u0456\u0436 \u0437\u0430\u0445\u0456\u0434\u043d\u043e\u044e \u0442\u0430 [\u2026]<\/p>\n","protected":false},"author":207433346,"featured_media":8963,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"","rank_math_description":"\u0428\u043c\u0438\u0433\u0430\u043b\u044c \u043f\u043e\u0432\u0456\u0434\u043e\u043c\u0438\u0432 \u043f\u0440\u043e \u0430\u0432\u0430\u0440\u0456\u0439\u043d\u0435 \u0432\u0456\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044f \u043b\u0456\u043d\u0456\u0439 400 \u0456 750 \u043a\u0412, \u0449\u043e \u0441\u043f\u0440\u0438\u0447\u0438\u043d\u0438\u043b\u043e \u043a\u0430\u0441\u043a\u0430\u0434\u043d\u0438\u0439 \u0437\u0431\u0456\u0439 \u0442\u0430 \u0440\u043e\u0437\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f \u0410\u0415\u0421.","rank_math_focus_keyword":"\u0410\u0415\u0421","td_subtitle":"","subtitle":"","footnotes":""},"categories":[805616],"tags":[806754],"class_list":{"0":"post-8962","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-main-news","8":"tag-806754"},"_links":{"self":[{"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/posts\/8962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/users\/207433346"}],"replies":[{"embeddable":true,"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/comments?post=8962"}],"version-history":[{"count":1,"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/posts\/8962\/revisions"}],"predecessor-version":[{"id":8964,"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/posts\/8962\/revisions\/8964"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/media\/8963"}],"wp:attachment":[{"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/media?parent=8962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/categories?post=8962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ukrmedia.news\/en\/wp-json\/wp\/v2\/tags?post=8962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}