{"id":56493,"date":"2022-03-22T02:11:12","date_gmt":"2022-03-22T00:11:12","guid":{"rendered":"https:\/\/www.gahzly.com\/?p=56493"},"modified":"2022-03-22T02:13:58","modified_gmt":"2022-03-22T00:13:58","slug":"types-of-earthing-systems-1","status":"publish","type":"post","link":"https:\/\/gahzly.com\/en\/\u0645\u0642\u0627\u0644\/types-of-earthing-systems-1\/","title":{"rendered":"Types Of Earthing Systems 1"},"content":{"rendered":"<h2>Types Of Earthing Systems<\/h2>\n<h2>TN, TT, IT And Earthing Systems<\/h2>\n<div class=\"row\">\n<div class=\"col-md-8 col-md-8 col-sm-12 post-content-parent\">\n<div class=\"row blog-row\">\n<div class=\"col-lg-12 col-md-12 col-sm-12\">\n<div class=\"blog-post blog-full-detail blog-lg\">\n<div class=\"blog-full-detail-info \">\n<div class=\"wt-post-info bg-white\">\n<div class=\"wt-post-text\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal ez-toc-light-blue\"><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-56494 size-full\" src=\"https:\/\/www.gahzly.com\/wp-content\/uploads\/2022\/03\/15e_ScaddanINTRO.webp\" alt=\"Types Of Earthing Systems 1\" width=\"450\" height=\"300\" title=\"l\" srcset=\"https:\/\/gahzly.com\/wp-content\/uploads\/2022\/03\/15e_ScaddanINTRO.webp 450w, https:\/\/gahzly.com\/wp-content\/uploads\/2022\/03\/15e_ScaddanINTRO-400x267.webp 400w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/>Nowadays, technical installations in all industries are characterized by ever-increasing complexity and automation.<\/p>\n<p>From highly developed production lines to robot technology,<\/p>\n<p>the amount of equipment that requires a reliable power supply to function smoothly is steadily growing.<\/p>\n<p>Therefore, the foundations for reliability and availability of an installation are already laid by selecting the right power supply system.<\/p>\n<p>Along with personnel and fire protection, fail safety is the key factor when choosing an appropriate power supply.<\/p>\n<p>During the planning phase of an installation, three system types are available: the TN system, the TT system and the IT system.<\/p>\n<p>Protective measure always require the coordination of earth connection,<\/p>\n<p>types of conductive conductors and protective equipment in relation to the types of earthing systems.<\/p>\n<p>This clause describes the systems and their earth connection according to IEC 60364-1.<\/p>\n<p>The standard assesses the following characteristics of the distribution system;<\/p>\n<ul>\n<li>Types of systems of live conductors;<\/li>\n<li>Types of system earthing.<\/li>\n<\/ul>\n<p>Resulting from his are the following characteristic values for the type of distribution system<\/p>\n<ul>\n<li>Type and number of active conductors of the system<\/li>\n<\/ul>\n<p>The systems are distinguished in AC and DC systems.<\/p>\n<p>The following systems of live conductors are taken into account in the standard.<\/p>\n<table class=\"dataTable\" style=\"width: 94.4499%;\">\n<tbody>\n<tr>\n<th style=\"width: 59.4142%;\">AC System<\/th>\n<th style=\"width: 338.494%;\">DC System<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 59.4142%;\">Single-phase 2-wire<\/td>\n<td style=\"width: 338.494%;\">2-wire<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 59.4142%;\">Single-phase 3-wire<\/td>\n<td style=\"width: 338.494%;\">3-wire<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 59.4142%;\">Two-phase 3-wire<\/td>\n<td style=\"width: 338.494%;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 59.4142%;\">Two-phase 5-wire<\/td>\n<td style=\"width: 338.494%;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 59.4142%;\">Three-phase 3-wire<\/td>\n<td style=\"width: 338.494%;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 59.4142%;\">Three-phase 3-wire<\/td>\n<td style=\"width: 338.494%;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Types of Systems Earthing<\/h2>\n<p>The various codes used, are derived from the relationship of the distribution system to earth<\/p>\n<p>and the relationship of the exposed conductive parts of the electrical installation to earth. Codes used have the following meaning;<\/p>\n<table class=\"dataTable\">\n<tbody>\n<tr>\n<td>First letter<\/td>\n<td width=\"90%\">Relationship of distribution system to earth<\/td>\n<\/tr>\n<tr>\n<td>T<\/td>\n<td>Direct connection of one point to earth;<\/td>\n<\/tr>\n<tr>\n<td>I<\/td>\n<td>All live parts isolated from earth or one point connected to earth through an impedance<\/td>\n<\/tr>\n<tr>\n<td>Second letter<\/td>\n<td>Relationship of the exposed-conductive-parts of the installation to earth<\/td>\n<\/tr>\n<tr>\n<td>T<\/td>\n<td>Direct electrical connection of the exposed-conductive-parts to earthing independently of the earthing of any point of the power system;<\/td>\n<\/tr>\n<tr>\n<td>N<\/td>\n<td>Direct electrical connection of the exposed-conductive-parts to earthed point of the power system (in AC systems, the earthed point of the power system is normally the natural point or, if a neutral point is no available, a phase conductor).<\/td>\n<\/tr>\n<tr>\n<td>Subsequent letter<\/td>\n<td>Arrangement of neutral and protective conductors<\/td>\n<\/tr>\n<tr>\n<td>S<\/td>\n<td>Protective function provided by a conductor separate from the neutral of from the earthed line (or in AC systems, earthed phase) conductor.<\/td>\n<\/tr>\n<tr>\n<td>C<\/td>\n<td>Neutral and protective functions combined in a single conductor (PEN conductor)<\/td>\n<\/tr>\n<tr>\n<td>PE<\/td>\n<td>Protective conductor.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The main distributor systems are;<\/p>\n<p>TN System, TT System, IT System<\/p>\n<h3>TN System<\/h3>\n<p>TN Distributor systems have one point directly earthed,<\/p>\n<p>the exposed-conductive-parts of the installation being connected to that point by protective conductors.<\/p>\n<p>There are distinct types of TN Systems in relation to the arrangement of neutral and protective conductors.<\/p>\n<p>They are as follows;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2874 aligncenter\" src=\"https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-1.png\" sizes=\"auto, (max-width: 527px) 100vw, 527px\" srcset=\"https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-1.png 527w, https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-1-254x300.png 254w\" alt=\"\" width=\"527\" height=\"622\" title=\"l\"><\/p>\n<ul>\n<li>TN-S system: throughout the system, a separate protective conductor is used;<\/li>\n<li>TN-C-S system: neutral and protective functions are combined in a single conductor in a part of the system;<\/li>\n<li>TN-C system: neutral and protective functions are combined in a single conductor throughout the system.<\/li>\n<\/ul>\n<h3>TT System<\/h3>\n<p>The TT distributor system has one point directly earthed, the exposed conductive-parts<\/p>\n<p>of the installation being connected to earth electrodes electrically<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2873 aligncenter\" src=\"https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-2.png\" sizes=\"auto, (max-width: 517px) 100vw, 517px\" srcset=\"https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-2.png 517w, https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-2-300x177.png 300w\" alt=\"\" width=\"517\" height=\"305\" title=\"l\"><\/p>\n<p>independent of the earth electrodes of the power system.<\/p>\n<h3>IT System<\/h3>\n<p>The IT distribution system has all live parts isolated from earth or<\/p>\n<p>one point connected to earth through an impedance, the exposed-conductive-parts of the electrical installation being earthed<\/p>\n<ul>\n<li>Independently, or<\/li>\n<li>Collectively, or<\/li>\n<li>To the earthing of the system<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2872 aligncenter\" src=\"https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-3.png\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" srcset=\"https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-3.png 528w, https:\/\/aktif.net\/wp-content\/uploads\/2021\/01\/topraklama-sistemleri-3-300x182.png 300w\" alt=\"\" width=\"528\" height=\"320\" title=\"l\"><\/p>\n<h2>conclusion<\/h2>\n<p>Earthing systems are generally important to protect basic protection<\/p>\n<p>(against direct contact) and fault \/ fault protection (against indirect contact)<\/p>\n<p>against bumps and to minimize the risk of fire that can occur.<\/p>\n<p>Because the two important values we need to build protection and equip the circuits with the necessary protection devices depend on these systems.<\/p>\n<p>These two important values are the fault current and the touch voltage.<\/p>\n<p>Because the protection will change by the size of these values.<\/p>\n<p>These values depend entirely on what the earthing system is.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h4><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-52302\" title=\"\u0634\u0631\u062d \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a MCCB \u0634\u0631\u062d \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a MCCB\" src=\"https:\/\/www.gahzly.com\/wp-content\/uploads\/2022\/01\/%D8%A7%D9%84%D9%83%D9%88%D9%86%D8%AA%D8%A7%D9%83%D8%AA%D9%88%D8%B1-%D9%88-%D8%B7%D8%B1%D9%8A%D9%82%D9%87-%D8%AA%D8%BA%D9%8A%D9%8A%D8%B1-%D8%A7%D9%84%D9%83%D9%88%D9%8A%D9%84.gif\" alt=\"\u0634\u0631\u062d \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a MCCB\" width=\"188\" height=\"188\" \/>\u0644\u0645\u0639\u0631\u0641\u0629 \u0627\u062e\u0631 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0646\u0627 \u0648\u0639\u0631\u0648\u0636\u0646\u0627 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u064a\u0631\u062c\u0649 \u0627\u0644\u0627\u0634\u062a\u0631\u0627\u0643 \u0628\u0635\u0641\u062d\u0627\u062a\u0646\u0627 \u0639\u0644\u0649 \u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0627\u0644\u0627\u062c\u062a\u0645\u0627\u0639\u064a:<\/h4>\n<p>\u0635\u0641\u062d\u062a\u0646\u0627 \u0639\u0644\u0649 \u0627\u0644\u0641\u064a\u0633\u0628\u0648\u0643=&gt;\u00a0<a href=\"https:\/\/www.facebook.com\/Gahzlystore\/\" target=\"_blank\" rel=\"noopener\">Gahzlystore<\/a><\/p>\n<p>\u0635\u0641\u062d\u062a\u0646\u0627 \u0639\u0644\u0649 \u062a\u0648\u064a\u062a\u0631=&gt;\u00a0<a href=\"https:\/\/twitter.com\/gahzly1\" target=\"_blank\" rel=\"noopener\">Gahzlystore<\/a><\/p>\n<p><a href=\"https:\/\/www.gahzly.com\/\">GAHZLY<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Types Of Earthing Systems TN, TT, IT And Earthing Systems Nowadays, technical installations in all industries are characterized by ever-increasing complexity and automation. From highly developed production lines to robot technology, the amount of equipment that requires a reliable power supply to function smoothly is steadily growing. Therefore, the foundations for reliability and availability of [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":56496,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7375],"tags":[7768,7822,8497,8378],"class_list":["post-56493","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","tag-articles-en","tag-earthing","tag-systems-en","tag-types"],"featured_image_src":{"landsacpe":["https:\/\/gahzly.com\/wp-content\/uploads\/2022\/03\/Connect-earth-rod-to-bare-copper-wire-jpg.webp",711,369,false],"list":["https:\/\/gahzly.com\/wp-content\/uploads\/2022\/03\/Connect-earth-rod-to-bare-copper-wire-463x348.jpg",463,348,true],"medium":["https:\/\/gahzly.com\/wp-content\/uploads\/2022\/03\/Connect-earth-rod-to-bare-copper-wire-300x156.jpg",300,156,true],"full":["https:\/\/gahzly.com\/wp-content\/uploads\/2022\/03\/Connect-earth-rod-to-bare-copper-wire-jpg.webp",711,369,false]},"jetpack_featured_media_url":"https:\/\/gahzly.com\/wp-content\/uploads\/2022\/03\/Connect-earth-rod-to-bare-copper-wire-jpg.webp","_links":{"self":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/posts\/56493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/comments?post=56493"}],"version-history":[{"count":0,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/posts\/56493\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/media\/56496"}],"wp:attachment":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/media?parent=56493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/categories?post=56493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/tags?post=56493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}