{"id":3696,"date":"2023-01-16T09:36:06","date_gmt":"2023-01-16T09:36:06","guid":{"rendered":"https:\/\/p69.com.vn\/?p=3696"},"modified":"2023-01-31T08:14:17","modified_gmt":"2023-01-31T08:14:17","slug":"chong-set-lan-truyen-la-gi","status":"publish","type":"post","link":"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/","title":{"rendered":"What is surge protection? Principle, equipment works effectively"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\">What is surge protection? What is surge protection? Why should lightning protection? What are the operating principles and technical requirements when installing and constructing an effective and safe lightning protection system? Let&#8217;s find out more details with <\/span><a href=\"https:\/\/p69.com.vn\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"vertical-align: inherit;\">P69 Company<\/span><\/strong><\/a><span style=\"vertical-align: inherit;\"> through the following article!<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_45 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69d79f3fd0bfb\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69d79f3fd0bfb\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#What_is_lightning_spread\" title=\"What is lightning spread?\">What is lightning spread?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#1_Statistics_of_lightning_transmission\" title=\"1. Statistics of lightning transmission\">1. Statistics of lightning transmission<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#2_Risk_of_damage_to_electronic_devices\" title=\"2. Risk of damage to electronic devices\">2. Risk of damage to electronic devices<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#3_Simulate_the_path_of_lightning\" title=\"3. Simulate the path of lightning\">3. Simulate the path of lightning<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#What_is_surge_protection\" title=\"What is surge protection?\">What is surge protection?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#Working_principle_of_surge_arrester\" title=\"Working principle of surge arrester\">Working principle of surge arrester<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#Classification_of_Lightning_Propagation_System\" title=\"Classification of Lightning Propagation System\">Classification of Lightning Propagation System<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#1_SPD_Type_1_Lightning_Protection\" title=\"1. SPD Type 1 . Lightning Protection\">1. SPD Type 1 . Lightning Protection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#2_SPD_Type_2_Lightning_Protection\" title=\"2. SPD Type 2 . Lightning Protection\">2. SPD Type 2 . Lightning Protection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#3_SPD_Type_3_Lightning_Protection\" title=\"3. SPD Type 3 . Lightning Protection\">3. SPD Type 3 . Lightning Protection<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#Popular_Surge_Protection_Devices\" title=\"Popular Surge Protection Devices\">Popular Surge Protection Devices<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#Note_when_installing_surge_protection\" title=\"Note when installing surge protection\">Note when installing surge protection<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#1_Primary_lightning_cutting_layer\" title=\"1. Primary lightning cutting layer\">1. Primary lightning cutting layer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#2_Secondary_lightning_cutting_layer\" title=\"2. Secondary lightning cutting layer\">2. Secondary lightning cutting layer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#3_Circuit_of_electrical_equipment_causing_interference\" title=\"3. Circuit of electrical equipment causing interference\">3. Circuit of electrical equipment causing interference<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#4_Residual_voltage_of_lightning_protection_device\" title=\"4. Residual voltage of lightning protection device\">4. Residual voltage of lightning protection device<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#5_Location_of_electronic_equipment\" title=\"5. Location of electronic equipment\">5. Location of electronic equipment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#Application_of_surge_arresters\" title=\"Application of surge arresters\">Application of surge arresters<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#1_Protection_of_residential_electrical_system\" title=\"1. Protection of residential electrical system\">1. Protection of residential electrical system<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#2_Signal_transmission_system_protection\" title=\"2. Signal transmission system protection\">2. Signal transmission system protection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#3_Wide_application_in_houses_or_high-rise_buildings\" title=\"3. Wide application in houses or high-rise buildings\">3. Wide application in houses or high-rise buildings<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/p69.com.vn\/en\/chong-set-lan-truyen-la-gi\/#Contact_information_P69_-_M_E_M_E_Contractor\" title=\"Contact information P69 \u2013 M&amp;E . M&amp;E Contractor\">Contact information P69 \u2013 M&amp;E . M&amp;E Contractor<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_lightning_spread\"><\/span><span lang=\"vi\"><span style=\"vertical-align: inherit;\">What is lightning spread?<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">Transmitted lightning is when a lightning strikes a certain location, within a radius of 2km from the location of the lightning strike, it will electromagnetically induce electrical wires, metal objects, and data transmission lines nearby leading to damaged.<\/span><\/span><\/p>\n<h3 id=\"thong-ke-hien-tuong-set-lan-truyen\"><span class=\"ez-toc-section\" id=\"1_Statistics_of_lightning_transmission\"><\/span><span style=\"vertical-align: inherit;\">1. Statistics of lightning transmission<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">According to statistics on the phenomenon of lightning transmission:<\/span><\/span><\/p>\n<ul>\n<li><span lang=\"vi\"><span style=\"vertical-align: inherit;\">Every day around the world there will be about 8 million lightning bolts.<\/span><\/span><\/li>\n<li><span lang=\"vi\"><span style=\"vertical-align: inherit;\">The highest structure is the point of contact with the possibility of being struck by lightning.<\/span><\/span><\/li>\n<li><span lang=\"vi\"><span style=\"vertical-align: inherit;\">Despite the fact that some structures are more likely to attract lightning, lightning is unpredictable.<\/span><\/span><\/li>\n<\/ul>\n<h3 id=\"rui-ro-pha-huy-cac-thiet-bi-dien-tu\"><span class=\"ez-toc-section\" id=\"2_Risk_of_damage_to_electronic_devices\"><\/span><span style=\"vertical-align: inherit;\">2. Risk of damage to electronic devices<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_3711\" aria-describedby=\"caption-attachment-3711\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3711 size-full\" title=\"Risk of destruction of electronic devices\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/chong-set-lan-truyen-la-gi-2.jpg.jpg\" alt=\"Risk of destruction of electronic devices\" width=\"600\" height=\"462\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/chong-set-lan-truyen-la-gi-2.jpg.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/chong-set-lan-truyen-la-gi-2.jpg-300x231.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-3711\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Risk of destruction of electronic devices<\/span><\/em><\/figcaption><\/figure>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">High surge voltage has the potential to enter the home through direct or indirect lightning strikes. For direct lightning, the lightning goes straight through the building, causing serious damage to the factory, while for indirect lightning, the lightning strikes the adjacent ground, the power line connects directly to the house. When this happens, any electronic equipment can be destroyed.<\/span><\/span><\/p>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">The result: Not only high replacement costs for electronic devices and circuits, but also disrupted connections to personal devices.<\/span><\/span><\/p>\n<h3 id=\"mo-phong-duong-di-cua-tia-set\"><span class=\"ez-toc-section\" id=\"3_Simulate_the_path_of_lightning\"><\/span><span style=\"vertical-align: inherit;\">3. Simulate the path of lightning<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">When lightning strikes close to an unprotected building, it travels inside through a power line that connects directly to the switchboard. When lightning strikes a building with a lightning rod, the voltage is transmitted directly to the ground around the house. However, half of the voltage can still enter the house through the electrical circuit.<\/span><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_surge_protection\"><\/span><span style=\"vertical-align: inherit;\">What is surge protection?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\">Surge protection is an activity of arranging lightning arresters and filters in order to limit the sudden surge overvoltages that propagate on power or signal lines by redirecting this dangerous current to another place (grounding ground). safely.<\/span><\/p>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">What is a surge arrester? Is a device designed to help protect electromagnetic devices, voltage surges. The purpose is to limit the increase of supply voltage to electrical equipment by drawing to ground when encountering unwanted voltage above the safe threshold.<\/span><\/span><\/p>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">Surge surge arresters and voltage surge reducers are mainly installed in the main power supply cabinets of buildings, factories, factories, floor distribution electrical panels, right in front of PLC, telecommunications, and receiver equipment. &#8211; signal generation, IT,&#8230; protection against voltage and current fluctuations, even in the event of a lightning strike.<\/span><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Working_principle_of_surge_arrester\"><\/span><span style=\"vertical-align: inherit;\">Working principle of surge arrester<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\">The operating principle of\u00a0 <\/span><strong><span style=\"vertical-align: inherit;\">the surge arrester<\/span><\/strong><span style=\"vertical-align: inherit;\"> \u00a0is based on the protection circuit principle. When lightning strikes the system, the device will immediately perform the lightning protection function. Through the filter, they suppress the noise of lightning on electrical equipment to protect the overvoltage and overload of the line without short-circuiting.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Based on the 2-phase or 3-phase power supply to select the protection mode for the surge arrester: 2 modes, 3 modes, 4 modes, 7 modes, 10 modes.<\/span><\/p>\n<figure id=\"attachment_3710\" aria-describedby=\"caption-attachment-3710\" style=\"width: 1098px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3710 size-full\" title=\"Working principle of surge arrester\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/nguyen-ly-chong-set-lan-truyen-1.png\" alt=\"Working principle of surge arrester\" width=\"1098\" height=\"405\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/nguyen-ly-chong-set-lan-truyen-1.png 1098w, https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/nguyen-ly-chong-set-lan-truyen-1-300x111.png 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/nguyen-ly-chong-set-lan-truyen-1-1024x378.png 1024w, https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/nguyen-ly-chong-set-lan-truyen-1-768x283.png 768w, https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/nguyen-ly-chong-set-lan-truyen-1-600x221.png 600w\" sizes=\"auto, (max-width: 1098px) 100vw, 1098px\" \/><figcaption id=\"caption-attachment-3710\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Working principle of surge arrester<\/span><\/em><\/figcaption><\/figure>\n<p><span style=\"vertical-align: inherit;\">In the electrical equipment market, the surge protection device of the Schneider brand is considered the best with extremely effective power system protection technologies such as:<\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\">Technology to protect modes<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">Thermal fuse technology.<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">On-board heat dissipation technology to ensure lightning surge cutting is done safely.<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">Eliminate lightning surges effectively.<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">Avoid the situation that the electrical system is overloaded or over-voltage<\/span><\/li>\n<\/ul>\n<p><span style=\"vertical-align: inherit;\">Schneider surge arresters apply advanced sine wave correction technology to prevent lightning from affecting all electrical equipment operations, ensuring stable sine waves and good power supply at all locations. regime.<\/span><\/p>\n<h2 class=\"h2-3\"><span class=\"ez-toc-section\" id=\"Classification_of_Lightning_Propagation_System\"><\/span><strong><span style=\"vertical-align: inherit;\">Classification of Lightning Propagation System<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\">Surge protection devices are divided into 3 types, specifically as follows:<\/span><\/p>\n<h3 class=\"h3-3\"><span class=\"ez-toc-section\" id=\"1_SPD_Type_1_Lightning_Protection\"><\/span><strong><span style=\"vertical-align: inherit;\">1. SPD Type 1 . Lightning Protection<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"vertical-align: inherit;\">Type 1 surge arresters are recommended for use in specific cases such as factories, buildings, industrial plants, etc., which are protected by a lightning protection system or a direct lightning grid cage.<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">This device protects the electrical system. Class 1 SPDs are capable of discharging reverse currents due to the backflow of lightning from the ground conductor to the conductors of the mains system.<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">Class 1 surge arresters are characterized by a 10\/350\u00b5s waveform current.<\/span><\/li>\n<\/ul>\n<h3 class=\"h3-4\"><span class=\"ez-toc-section\" id=\"2_SPD_Type_2_Lightning_Protection\"><\/span><strong><span style=\"vertical-align: inherit;\">2. SPD Type 2 . Lightning Protection<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"vertical-align: inherit;\">Class 2 surge arresters are the main protection system for all low voltage electrical equipment. This device is installed in each electronic to prevent overvoltage propagation in the power system and protect the loads.<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">Class 2 surge arresters are characterized by a waveform current of 8\/20\u00b5s.<\/span><\/li>\n<\/ul>\n<h3 class=\"h3-5\"><span class=\"ez-toc-section\" id=\"3_SPD_Type_3_Lightning_Protection\"><\/span><strong><span style=\"vertical-align: inherit;\">3. SPD Type 3 . Lightning Protection<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"vertical-align: inherit;\">Class 3 surge arresters have a low discharge capacity. For this reason, they must be installed optionally as additional equipment for Class 2 SPDs and in the vicinity of sensitive loads.<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">Class 2 surge arresters are characterized by a combination of voltage waves (1.2\/50\u00b5s) and current waves (8\/20\u00b5s).<\/span><\/li>\n<\/ul>\n<h2 class=\"h2-5\"><span class=\"ez-toc-section\" id=\"Popular_Surge_Protection_Devices\"><\/span><strong><span style=\"vertical-align: inherit;\">Popular Surge Protection Devices<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_3713\" aria-describedby=\"caption-attachment-3713\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3713 size-full\" title=\"Popular Surge Protection Devices\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/Chong-set-lan-truyen-4.jpg\" alt=\"Popular Surge Protection Devices\" width=\"600\" height=\"305\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/Chong-set-lan-truyen-4.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/Chong-set-lan-truyen-4-300x153.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-3713\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Popular Surge Protection Devices<\/span><\/em><\/figcaption><\/figure>\n<p><span style=\"vertical-align: inherit;\">Schneider surge arrester is a line of high quality, efficient lightning protection products that is being used by many units.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">The Schneider surge arrester is a high quality product manufactured on modern lines meeting European standards, bringing accuracy, flexibility as well as the best user experience.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Currently, on the market, customers can find and buy Schneider surge protection devices with models such as:<\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\">Acti 9 . surge arrester<\/span><\/li>\n<li><span style=\"vertical-align: inherit;\">Easy 9 . surge arrester<\/span><\/li>\n<\/ul>\n<h2 id=\"luu-y-khi-lap-dat-chong-set-lan-truyen\" class=\"ftwp-heading ftwp-heading-target\"><span class=\"ez-toc-section\" id=\"Note_when_installing_surge_protection\"><\/span><strong><span style=\"vertical-align: inherit;\">Note when installing surge protection<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\">In addition to understanding the principle of surge protection, the following notes will ensure an effective surge protection installation. To optimize the lightning protection system, it is necessary to determine the installation location according to the following criteria:<\/span><\/p>\n<figure id=\"attachment_3712\" aria-describedby=\"caption-attachment-3712\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3712 size-full\" title=\"Note when installing surge protection\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/chong-set-lan-truyen-la-gi-5.jpg.jpg\" alt=\"Note when installing surge protection\" width=\"600\" height=\"433\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/chong-set-lan-truyen-la-gi-5.jpg.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/chong-set-lan-truyen-la-gi-5.jpg-300x217.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-3712\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Note when installing surge protection<\/span><\/em><\/figcaption><\/figure>\n<h3 id=\"tang-cat-set-so-cap\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"1_Primary_lightning_cutting_layer\"><\/span><strong><span style=\"vertical-align: inherit;\">1. Primary lightning cutting layer<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">This floor will protect all mechanical equipment in the house. It is necessary to install the primary lightning arrester at the input for large projects. When directly struck by lightning, these floor equipment plays the most important role. It has the maximum lightning breaking capacity, the lightning breaking capacity is satisfactory when more than or equal to 100 kA.<\/span><\/p>\n<h3 id=\"tang-cat-set-thu-cap\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"2_Secondary_lightning_cutting_layer\"><\/span><strong><span style=\"vertical-align: inherit;\">2. Secondary lightning cutting layer<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">The secondary cut-off stage can reduce residual voltage. This floor is applied to select equipment in distribution cabinets. The secondary lightning cut stage has the function of protecting branch circuit equipment from surge surges. These surges are generated internally from the main circuit by devices in the circuit including: switchgear, pulse interference. Pulse contamination usually accounts for 70\u201380% of the damage to sensitive electrical and electronic equipment.<\/span><\/p>\n<h3 id=\"mach-thiet-bi-dien-gay-nhieu\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"3_Circuit_of_electrical_equipment_causing_interference\"><\/span><strong><span style=\"vertical-align: inherit;\">3. Circuit of electrical equipment causing interference<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">Circuits of electrical equipment that cause interference are used to prevent electrical disturbances from returning. It causes damage to devices in other circuits. Circuit of electrical equipment jamming to protect inverter and industrial electrical equipment.<\/span><\/p>\n<h3 id=\"dien-ap-du-cua-thiet-bi-chong-set\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"4_Residual_voltage_of_lightning_protection_device\"><\/span><strong><span style=\"vertical-align: inherit;\">4. Residual voltage of lightning protection device<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">After being subjected to lightning impulses and surges, this is the remaining voltage. The smaller the residual voltage, the better.<\/span><\/p>\n<h3 id=\"vi-tri-cua-thiet-bi-dien-tu\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"5_Location_of_electronic_equipment\"><\/span><strong><span style=\"vertical-align: inherit;\">5. Location of electronic equipment<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">It is necessary to place sensitive equipment at least 9m away from lightning protection equipment. For projects requiring high lightning protection, it is recommended to install additional surge protection devices to protect the input points of use.<\/span><\/p>\n<h2 id=\"ung-dung-cua-thiet-bi-chong-set-lan-truyen\"><span class=\"ez-toc-section\" id=\"Application_of_surge_arresters\"><\/span><span style=\"vertical-align: inherit;\">Application of surge arresters<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">After learning what surge protection is, let&#8217;s take a look at their applications in the power system with SG Vietnam below.<\/span><\/span><\/p>\n<h3 id=\"bao-ve-he-thong-dien-nha-o\"><span class=\"ez-toc-section\" id=\"1_Protection_of_residential_electrical_system\"><\/span><span style=\"vertical-align: inherit;\">1. Protection of residential electrical system<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">In order to protect the family home, it is absolutely necessary to use lightning protection devices for the electrical system in the house, especially in the rainy season. This is considered one of the outstanding applications of surge protection devices, helping to ensure the safety of people and property.<\/span><\/span><\/p>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">You can use lightning protection devices to ensure the safety of the entire household electrical system. You should choose a separate lightning protection product for each industrial electrical appliance in your home such as: rolling door, laptop, TV, phone, etc. The more electrical equipment you use, the more lightning protection products need to be equipped with. best way.<\/span><\/span><\/p>\n<h3 id=\"bao-ve-he-thong-duong-truyen-tin-hieu\"><span class=\"ez-toc-section\" id=\"2_Signal_transmission_system_protection\"><\/span><span style=\"vertical-align: inherit;\">2. Signal transmission system protection<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">The device has the ability to effectively filter and dissipate lightning impulses. As a result, they are used in wiring or antenna systems with protection mechanisms for continuous operation, especially on stormy days.<\/span><\/span><\/p>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">According to experts, the signal transmission system is one of the targets of lightning current. Specifically, up to 75% of signal transmission lines are damaged by lightning strikes. The lightning protection device is now effective in preventing such accidents from happening.<\/span><\/span><\/p>\n<h3 id=\"ung-dung-rong-rai-trong-nha-o-hay-toa-nha-cao-tang\"><span class=\"ez-toc-section\" id=\"3_Wide_application_in_houses_or_high-rise_buildings\"><\/span><span style=\"vertical-align: inherit;\">3. Wide application in houses or high-rise buildings<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">Surge arresters for electrical systems are used in buildings of superior height to prevent accidents from occurring. On the roof of the building, when there is a thunderstorm, the device will cut lightning impulses and effectively prevent interference to ensure safety for people as well as buildings.<\/span><\/span><\/p>\n<p><span lang=\"vi\"><span style=\"vertical-align: inherit;\">In addition, the characteristics of factories and industrial parks are many equipment and machines with high investment costs. It is absolutely essential to protect this equipment from lightning currents. The economic problem posed here is not too difficult to explain, when the investment in lightning protection equipment is only 1\/10 of the cost of modern machinery, right?<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Contact us today for a free consultation and answer at:<\/span><\/p>\n<div dir=\"auto\">\n<div dir=\"auto\">\n<div dir=\"auto\">\n<h2 dir=\"auto\"><span class=\"ez-toc-section\" id=\"Contact_information_P69_-_M_E_M_E_Contractor\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><strong><span style=\"vertical-align: inherit;\">Contact information P69 \u2013 M&amp;E . M&amp;E Contractor<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div dir=\"auto\">\n<div dir=\"auto\">\n<div dir=\"auto\">\n<p><span style=\"vertical-align: inherit;\">Address: No. 6\/165C Xuan Thuy, Cau Giay District, Hanoi<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Website: https:\/\/p69.com.vn\/<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Hotline: 02422121212 \u2013 0965937799<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Email: kd@cokhip69.com.vn<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Facebook:\u00a0 <\/span><a href=\"https:\/\/www.facebook.com\/p69nhathaucodien\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"vertical-align: inherit;\">https:\/\/www.facebook.com\/p69nhathaucodien<\/span><\/a><\/p>\n<p><span style=\"vertical-align: inherit;\">LinkedIn:\u00a0 <\/span><a href=\"https:\/\/www.linkedin.com\/in\/congtyp69\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"vertical-align: inherit;\">https:\/\/www.linkedin.com\/in\/congtyp69\/<\/span><\/a><\/p>\n<p><span style=\"vertical-align: inherit;\">Youtube :\u00a0 <\/span><a href=\"https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"vertical-align: inherit;\">https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA<\/span><\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;3696&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;3&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;1.7&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;1.7\\\/5 - (3 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;width&quot;:&quot;46.8&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 46.8px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            1.7\/5 - (3 votes)    <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>What is surge protection? What is surge protection? Why should lightning protection? What are the operating principles and technical requirements when installing and constructing an effective and safe lightning protection system? Let&#8217;s find out more details with P69 Company through the following article! What is lightning spread? Transmitted lightning is when a lightning strikes a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3713,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-3696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.1 (Yoast SEO v20.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ch\u1ed1ng s\u00e9t lan truy\u1ec1n l\u00e0 g\u00ec? Nguy\u00ean l\u00fd, thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3<\/title>\n<meta name=\"description\" content=\"Ch\u1ed1ng s\u00e9t lan truy\u1ec1n l\u00e0 g\u00ec? Ch\u1ed1ng s\u00e9t lan truy\u1ec1n l\u00e0 g\u00ec? T\u1ea1i sao n\u00ean ch\u1ed1ng s\u00e9t lan truy\u1ec1n? Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 nh\u1eefng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt n\u00e0o\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/p69.com.vn\/chong-set-lan-truyen-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[:vi]Ch\u1ed1ng s\u00e9t lan truy\u1ec1n l\u00e0 g\u00ec? Nguy\u00ean l\u00fd, thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3[:en]What is surge protection? 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Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 nh\u1eefng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt n\u00e0o\" \/>\n<meta property=\"og:url\" content=\"https:\/\/p69.com.vn\/chong-set-lan-truyen-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"P69\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-16T09:36:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-31T08:14:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2023\/01\/Chong-set-lan-truyen-4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"305\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"adminhdec\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"adminhdec\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/p69.com.vn\/chong-set-lan-truyen-la-gi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/p69.com.vn\/chong-set-lan-truyen-la-gi\/\"},\"author\":{\"name\":\"adminhdec\",\"@id\":\"https:\/\/p69.com.vn\/#\/schema\/person\/e7444874c2d9f2d90eb8fbc63e75243f\"},\"headline\":\"What is surge protection? 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