{"id":663,"date":"2026-01-06T18:25:17","date_gmt":"2026-01-06T23:25:17","guid":{"rendered":"https:\/\/cecas.clemson.edu\/rtpace\/?post_type=equipment&#038;p=663"},"modified":"2026-01-06T18:25:44","modified_gmt":"2026-01-06T23:25:44","slug":"phase-and-ground-distance-relay","status":"publish","type":"equipment","link":"https:\/\/cecas.clemson.edu\/rtpace\/equipment\/phase-and-ground-distance-relay\/","title":{"rendered":"Phase and Ground Distance Relay"},"content":{"rendered":"<acf-view-695c411f90b32 class=\" acf-view acf-view--equipment\"><div class=\"acf-field\"><h4 class=\"acf-label\">Manufacturer<\/h4><p class=\"acf-value\">SEL<\/p><\/div><div class=\"acf-field\"><h4 class=\"acf-label\">Manufacturer (Secondary)<\/h4><p class=\"acf-value\">SEL<\/p><\/div><div class=\"acf-field\"><h4 class=\"acf-label\">Category<\/h4><p class=\"acf-value\">Hardware<\/p><\/div><div class=\"acf-field\"><h4 class=\"acf-label\">Specifications<\/h4><div class=\"acf-value\">Four Protection Zones: Offers four zones of phase and ground distance protection, including mho and quadrilateral characteristics.\r<br\/>Comprehensive Tripping Schemes: Supports major pilot schemes such as POTT, DCUB, DCB, PUTT, and DTT, and is applicable for both single- and three-pole tripping.\r<br\/>Supplemental Elements: Includes phase, negative-sequence, and residual overcurrent protection, plus power-swing blocking and load-encroachment logic.\r<br\/>Adaptive Directional Elements: Features unique logic that chooses between negative- and zero-sequence quantities for reliable directional decisions.\r<br\/>System Monitoring: Built-in high-accuracy fault locator (reduces patrol time) and event reporting with oscillography.\r<br\/>I\/O Flexibility: Scalable hardware with up to 16 contact inputs and 32 contact outputs.\r<br\/>Communication &#038; Logic: Equipped with three serial ports (two rear, one front) and SELOGIC control equations for custom logic programming.\r<br\/>Versatile Mounting: Available in horizontal or vertical rack- or panel-mount configurations. <\/div><\/div><div class=\"acf-field\"><h4 class=\"acf-label\">Applications<\/h4><div class=\"acf-value\">Distance Protection<\/div><\/div><\/acf-view-695c411f90b32>\n\n\n<p><\/p>\n","protected":false},"featured_media":666,"template":"","meta":{"_acf_changed":true},"class_list":["post-663","equipment","type-equipment","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/cecas.clemson.edu\/rtpace\/wp-json\/wp\/v2\/equipment\/663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cecas.clemson.edu\/rtpace\/wp-json\/wp\/v2\/equipment"}],"about":[{"href":"https:\/\/cecas.clemson.edu\/rtpace\/wp-json\/wp\/v2\/types\/equipment"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cecas.clemson.edu\/rtpace\/wp-json\/wp\/v2\/media\/666"}],"wp:attachment":[{"href":"https:\/\/cecas.clemson.edu\/rtpace\/wp-json\/wp\/v2\/media?parent=663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}