{"id":11045,"date":"2016-03-30T00:00:00","date_gmt":"2016-03-30T00:00:00","guid":{"rendered":"https:\/\/engineering.uodiyala.edu.iq\/%d9%85%d8%ad%d8%a7%d8%b6%d8%b1%d8%a9-%d9%81%d9%8a-%d9%82%d8%b3%d9%85-%d9%87%d9%86%d8%af%d8%b3%d8%a9-%d8%a7%d9%84%d9%82%d8%af%d8%b1%d8%a9-%d9%88%d8%a7%d9%84%d9%85%d9%83%d8%a7%d8%a6%d9%86\/"},"modified":"2023-03-12T03:51:23","modified_gmt":"2023-03-12T03:51:23","slug":"%d9%85%d8%ad%d8%a7%d8%b6%d8%b1%d8%a9-%d9%81%d9%8a-%d9%82%d8%b3%d9%85-%d9%87%d9%86%d8%af%d8%b3%d8%a9-%d8%a7%d9%84%d9%82%d8%af%d8%b1%d8%a9-%d9%88%d8%a7%d9%84%d9%85%d9%83%d8%a7%d8%a6%d9%86","status":"publish","type":"post","link":"https:\/\/engineering.uodiyala.edu.iq\/?p=11045","title":{"rendered":"\u0645\u062d\u0627\u0636\u0631\u0629 \u0641\u064a  \u0642\u0633\u0645 \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u0645\u0643\u0627\u0626\u0646"},"content":{"rendered":"<div style=\"font-family:Simplified Arabic;font-size:16px;direction:rtl;\"><\/p>\n<p dir=\"RTL\" style=\"text-align: justify;\"><span style=\"font-size: 14pt; font-family: Arial;\">\u0627\u0642\u0627\u0645 \u0642\u0633\u0645&nbsp; \u0647\u0646\u062f\u0633\u0629&nbsp; \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u0645\u0643\u0627\u0626\u0646 \u0641\u064a&nbsp; \u0643\u0644\u064a\u0629&nbsp; \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u062c\u0627\u0645\u0639\u0629 \u062f\u064a\u0627\u0644\u0649 \u0642\u0627\u0645 \u0628\u0627\u0644\u0642\u0627\u0621\u0647\u0627 \u0627\u0644\u062f\u0643\u062a\u0648\u0631&nbsp; \u0646\u0635\u0631 \u0627\u0644\u0644\u0647&nbsp; \u0633\u0644\u0645\u0627\u0646 \u062e\u0644\u0641 &nbsp;\u0641\u064a \u0645\u0627\u062f\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a &nbsp;\u0636\u0645\u0646 \u0645\u0646\u0647\u0627\u062c \u0627\u0644\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0631\u0627\u0628\u0639\u0629 \u0648\u0641\u064a \u0645\u0641\u0631\u062f\u0627\u062a&nbsp; \u0645\u0627\u062f\u0629 \u0647\u0646\u062f\u0633\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a &nbsp;.\u0648\u062a\u062a\u0645\u064a\u0632 \u0643\u0644\u064a\u062a\u0646\u0627 \u0648\u0642\u0633\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0641\u064a \u0627\u0644\u062c\u0627\u0645\u0639\u0629 \u0627\u0644\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0629 \u0628\u062a\u062f\u0631\u064a\u0633 \u0647\u0630\u0647 \u0627\u0644\u0645\u0627\u062f\u0629 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u064a \u0627\u0644\u062c\u0627\u0645\u0639\u0627\u062a \u0627\u0644\u0639\u0631\u0627\u0642\u064a\u0629 &nbsp;\u0648\u062a\u062a\u0646\u0627\u0648\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0627\u062f\u0629 \u0628\u0634\u0643\u0644 \u0639\u0627\u0645 \u0645\u0648\u0636\u0648\u0639 \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0645\u0639\u0631\u0641\u064a\u0629 \u0644\u062f\u0631\u0627\u0633\u0629 \u0645\u0646\u0647\u0627\u062c \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u0645\u0643\u0627\u0626\u0646 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0645\u0646 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0648\u0646\u0638\u0631\u064a\u0627\u062a \u062f\u0631\u0633\u0647\u0627 \u0627\u0644\u0637\u0644\u0628\u0629 \u062e\u0644\u0627\u0644 \u0627\u0644\u0633\u0646\u0648\u0627\u062a \u0627\u0644\u0623\u0631\u0628\u0639\u0629 \u0644\u062a\u0639\u0634\u064a\u0642\u0647\u0627 \u0645\u0639 \u0627\u0644\u0645\u062f\u0648\u0646\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629 \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629 (<\/span><span style=\"font-size: 14pt;\" dir=\"LTR\">International codes and STANDARS<\/span><span style=\"font-size: 14pt; font-family: Arial;\">)&nbsp; \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0648\u062a\u0646\u0641\u064a\u0630 &nbsp;\u0627\u0644\u0623\u0639\u0645\u0627\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0643\u0627\u0644\u0623\u0628\u0646\u064a\u0629 \u0648\u0627\u0644\u0645\u0646\u0634\u0622\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u0633\u0643\u0646\u064a\u0629 \u0648\u0643\u0647\u0631\u0628\u0629 \u0627\u0644\u0645\u062f\u0646 \u0648\u0627\u0646\u0627\u0631\u0629 \u0627\u0644\u0634\u0648\u0627\u0631\u0639.<\/span><\/p>\n<p dir=\"RTL\" style=\"text-align: justify;\"><span style=\"font-size: 14pt; font-family: Arial;\">\u062a\u0646\u0627\u0648\u0644\u062a \u0645\u062d\u0627\u0636\u0631\u0629 \u0627\u0644\u064a\u0648\u0645 \u0645\u0648\u0636\u0648\u0639 \u0627\u0633\u0627\u0633\u064a\u0627\u062a \u0648\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645&nbsp;&nbsp; \u0648\u0628\u0634\u0643\u0644 \u0645\u0644\u062e\u0635 \u0643\u0645\u0627 \u064a\u0623\u062a\u064a :<\/span><\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\">Electrical Circuit Design Principles<\/span><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\"> according to British Standard BS7671 \/ IEE 17<sup>th<\/sup>-Ed-2008<\/span>\n<p><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\">&nbsp;<\/span><\/p>\n<\/li>\n<li><strong><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\">Design Procedure Step by Step<\/span><\/strong><\/li>\n<\/ul>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt; font-family: Times New Roman,serif; color: black;\">&nbsp;<\/span><\/p>\n<p style=\"text-align: left;\"><strong><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\">&nbsp;<\/span><\/strong><\/p>\n<p dir=\"RTL\" style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">1. Determine the design current I<sub>b<\/sub>&nbsp; <\/span><\/em><\/strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">.<\/span><\/em><\/p>\n<p dir=\"RTL\" style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">2. Select the rating of the protection I<sub>n<\/sub>&nbsp; .<\/span><\/em><\/strong><\/p>\n<p dir=\"RTL\" style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">3. Select the relevant rating factors (CFs).<\/span><\/em><\/strong><\/p>\n<p dir=\"RTL\" style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">4. Divide I<sub>n<\/sub> by the relevant CFs to give tabulated cable current carrying capacity I<sub>t<\/sub> .<\/span><\/em><\/strong><\/p>\n<p dir=\"RTL\" style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">5. Choose a cable size to suit I<sub>t<\/sub> .<\/span><\/em><\/strong><\/p>\n<p dir=\"RTL\" style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">6. Check the voltage drop.<\/span><\/em><\/strong><\/p>\n<p dir=\"RTL\" style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\" dir=\"LTR\">7. Check for shock risk constraints.<\/span><\/em><\/strong><\/p>\n<p style=\"text-align: left;\"><strong><em><span style=\"font-size: 14pt; font-family: Times New Roman,serif;\">8. Check for thermal constraints<\/span><\/em><\/strong><\/p>\n<p><\/p>\n<p style=\"text-align: center;\"> <img decoding=\"async\" alt=\"\" src=\"\/uploads\/hussien\/29-3-2016-1\/%D9%83%D9%84%D9%8A%D8%A9%20%20%D8%A7%D9%84%D9%87%D9%86%D8%AF%D8%B3%D8%A9%20%D8%AC%D8%A7%D9%85%D8%B9%D8%A9%20%D8%AF%D9%8A%D8%A7%D9%84%D9%89%20%20(1).JPG\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/uploads\/hussien\/29-3-2016-1\/%D9%83%D9%84%D9%8A%D8%A9%20%20%D8%A7%D9%84%D9%87%D9%86%D8%AF%D8%B3%D8%A9%20%D8%AC%D8%A7%D9%85%D8%B9%D8%A9%20%D8%AF%D9%8A%D8%A7%D9%84%D9%89%20%20(2).JPG\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/uploads\/hussien\/29-3-2016-1\/%D9%83%D9%84%D9%8A%D8%A9%20%20%D8%A7%D9%84%D9%87%D9%86%D8%AF%D8%B3%D8%A9%20%D8%AC%D8%A7%D9%85%D8%B9%D8%A9%20%D8%AF%D9%8A%D8%A7%D9%84%D9%89%20%20(3).JPG\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/uploads\/hussien\/29-3-2016-1\/%D9%83%D9%84%D9%8A%D8%A9%20%20%D8%A7%D9%84%D9%87%D9%86%D8%AF%D8%B3%D8%A9%20%D8%AC%D8%A7%D9%85%D8%B9%D8%A9%20%D8%AF%D9%8A%D8%A7%D9%84%D9%89%20%20(4).JPG\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/uploads\/hussien\/29-3-2016-1\/%D9%83%D9%84%D9%8A%D8%A9%20%20%D8%A7%D9%84%D9%87%D9%86%D8%AF%D8%B3%D8%A9%20%D8%AC%D8%A7%D9%85%D8%B9%D8%A9%20%D8%AF%D9%8A%D8%A7%D9%84%D9%89%20%20(5).JPG\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/uploads\/hussien\/29-3-2016-1\/%D9%83%D9%84%D9%8A%D8%A9%20%20%D8%A7%D9%84%D9%87%D9%86%D8%AF%D8%B3%D8%A9%20%D8%AC%D8%A7%D9%85%D8%B9%D8%A9%20%D8%AF%D9%8A%D8%A7%D9%84%D9%89%20%20(6).JPG\" \/><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/uploads\/hussien\/29-3-2016-1\/%D9%83%D9%84%D9%8A%D8%A9%20%20%D8%A7%D9%84%D9%87%D9%86%D8%AF%D8%B3%D8%A9%20%D8%AC%D8%A7%D9%85%D8%B9%D8%A9%20%D8%AF%D9%8A%D8%A7%D9%84%D9%89%20%20(7).JPG\" \/><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0627\u0642\u0627\u0645 \u0642\u0633\u0645  \u0647\u0646\u062f\u0633\u0629  \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u0645\u0643\u0627\u0626\u0646 \u0641\u064a  \u0643\u0644\u064a\u0629  \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u062c\u0627\u0645\u0639\u0629 \u062f\u064a\u0627\u0644\u0649 \u0642\u0627\u0645 \u0628\u0627\u0644\u0642\u0627\u0621\u0647\u0627 \u0627\u0644\u062f\u0643\u062a\u0648\u0631  \u0646\u0635\u0631 \u0627\u0644\u0644\u0647  \u0633\u0644\u0645\u0627\u0646 \u062e\u0644\u0641  \u0641\u064a \u0645\u0627\u062f\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a  \u0636\u0645\u0646 \u0645\u0646\u0647\u0627\u062c \u0627\u0644\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0631\u0627\u0628\u0639\u0629 \u0648\u0641\u064a \u0645\u0641\u0631\u062f\u0627\u062a  \u0645\u0627\u062f\u0629 \u0647\u0646\u062f\u0633\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/p>\n","protected":false},"author":1,"featured_media":11046,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"pmpro_default_level":"","footnotes":""},"categories":[97],"tags":[],"class_list":["post-11045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-97","pmpro-has-access"],"_links":{"self":[{"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=\/wp\/v2\/posts\/11045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11045"}],"version-history":[{"count":1,"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=\/wp\/v2\/posts\/11045\/revisions"}],"predecessor-version":[{"id":21938,"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=\/wp\/v2\/posts\/11045\/revisions\/21938"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=\/wp\/v2\/media\/11046"}],"wp:attachment":[{"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineering.uodiyala.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}