{"id":3089,"date":"2022-03-03T12:51:47","date_gmt":"2022-03-03T12:51:47","guid":{"rendered":"https:\/\/engiprot.pt\/?p=3089"},"modified":"2025-10-22T08:57:22","modified_gmt":"2025-10-22T08:57:22","slug":"efa-ecp-matambo","status":"publish","type":"post","link":"https:\/\/engiprot.pt\/en\/efa-ecp-matambo\/","title":{"rendered":"ECP Matambo"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3089\" class=\"elementor elementor-3089\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7f48572 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f48572\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-10d37ec\" data-id=\"10d37ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7f4a8c2 elementor-widget elementor-widget-heading\" data-id=\"7f4a8c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Client<\/span>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-246b6e9 elementor-widget elementor-widget-image\" data-id=\"246b6e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"193\" height=\"114\" src=\"https:\/\/engiprot.pt\/wp-content\/uploads\/2022\/03\/ncc2.jpg\" class=\"attachment-full size-full wp-image-3800\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-01e210b\" data-id=\"01e210b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-92d1236 elementor-widget elementor-widget-heading\" data-id=\"92d1236\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">End Client<\/span>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-581c179 elementor-widget elementor-widget-image\" data-id=\"581c179\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"194\" height=\"143\" src=\"https:\/\/engiprot.pt\/wp-content\/uploads\/2022\/03\/eletricidade_mocambique.jpg\" class=\"attachment-full size-full wp-image-3787\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-4386d31\" data-id=\"4386d31\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1ad62a0 elementor-widget elementor-widget-heading\" data-id=\"1ad62a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Country<\/span>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ca29e8 elementor-widget elementor-widget-image\" data-id=\"1ca29e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"160\" height=\"106\" src=\"https:\/\/engiprot.pt\/wp-content\/uploads\/2022\/03\/mocambique.png\" class=\"attachment-full size-full wp-image-3788\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-49eec141 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"49eec141\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5ac9d898\" data-id=\"5ac9d898\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2df7ab90 elementor-widget elementor-widget-text-editor\" data-id=\"2df7ab90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Scope of Supply<\/strong><\/p><p>The supply includes the provision of a protection coordination study for the extension of the Matambo Substation in Tete, Mozambique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb12329 elementor-widget elementor-widget-text-editor\" data-id=\"fb12329\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>System Description<\/strong><\/p><p>The following protection system was considered:<\/p><ul><li style=\"list-style-type: none;\"><ul><li>Transformer protection (220\/66\/33 kV):<ul><li>2 \u00d7 low-impedance transformer differential protection (87), overload protection (49), and residual overcurrent protection (51N)<\/li><li>3 \u00d7 high-impedance differential (87H) for restricted earth fault protection<\/li><li>Primary overload protection (50\/51)<\/li><li>Secondary overload protection (50\/51)<\/li><li>Breaker failure protection (50BF)<\/li><\/ul><\/li><\/ul><\/li><\/ul><ul><li style=\"list-style-type: none;\"><ul><li>220 kV busbar protection<ul><li>3 \u00d7 (one per phase) low-impedance protection for busbar protection (87B)<\/li><\/ul><\/li><\/ul><\/li><\/ul><ul><li style=\"list-style-type: none;\"><ul><li>66 kV outgoing feeder<ul><li>Line distance protection (21)<\/li><li>Directional earth fault overload (67N)<\/li><li>Auto-reclosing (79)<\/li><li>Breaker failure protection (50BF)<\/li><li>Voltage check and synchronisation (25)<\/li><\/ul><\/li><\/ul><\/li><\/ul><ul><li style=\"list-style-type: none;\"><ul><li>33 kV bays<ul><li>Overload protection (50\/51)<\/li><li>Breaker failure protection (50BF)<\/li><\/ul><\/li><\/ul><\/li><\/ul><ul><li style=\"list-style-type: none;\"><ul><li>33 kV and 66 kV busbar<ul><li>High-impedance differential protection (87H) for busbar<\/li><\/ul><\/li><\/ul><\/li><\/ul><ul><li style=\"list-style-type: none;\"><ul><li>33\/0.4 kV auxiliary transformer<ul><li>Overload protection (50\/51)<\/li><\/ul><\/li><\/ul><\/li><\/ul><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5acd2ed elementor-widget elementor-widget-text-editor\" data-id=\"5acd2ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Activity Description<\/strong><\/p><p class=\"translation-block\">ENGIPROT work team was responsible for study the substation equipment for proper protection and selectivity coordination, including the existing bays.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02f375b elementor-widget elementor-widget-text-editor\" data-id=\"02f375b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Benefits for the Client<\/strong><\/p><p>The settings protections definition allows to safety operate the substation and the network.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>The supply includes the provision of a protection coordination study for the extension of the Matambo Substation in Tete, Mozambique.<\/p>","protected":false},"author":1,"featured_media":3576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-3089","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projetos"],"_links":{"self":[{"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/posts\/3089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/comments?post=3089"}],"version-history":[{"count":0,"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/posts\/3089\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/media\/3576"}],"wp:attachment":[{"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/media?parent=3089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/categories?post=3089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engiprot.pt\/en\/wp-json\/wp\/v2\/tags?post=3089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}