{"id":51879,"date":"2015-12-04T15:40:17","date_gmt":"2015-12-04T13:40:17","guid":{"rendered":"https:\/\/yilkomer.com\/her-bakim-muhendisinin-asiri-gerilimden-korunma\/"},"modified":"2026-08-24T06:40:16","modified_gmt":"2026-08-24T03:40:16","slug":"5-things-every-maintenance-engineer-should-know-about-overvoltage-protection","status":"publish","type":"post","link":"https:\/\/yilkomer.com\/en\/5-things-every-maintenance-engineer-should-know-about-overvoltage-protection\/","title":{"rendered":"5 Things Every Maintenance Engineer Should Know About Overvoltage Protection"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\n<p style=\"text-align: left;\">The importance of maintenance engineering is significant for a factory or facility to continue operating efficiently and without interruption. Thanks to maintenance engineering, unplanned shutdowns, work and worker safety, productivity loss, financial losses, and similar issues are evaluated and prevented by an expert eye. In this article, we have compiled 7 key pieces of information that every maintenance engineer should know regarding <em><strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/yilkomer.com\/en\/overvoltage-protection-module\/\" target=\"_blank\" rel=\"noopener noreferrer\">overvoltages<\/a><\/span><\/strong><\/em>, which are the most common electrical issues in facilities.<\/p>\n<blockquote>\n<p style=\"text-align: center;\">You may be interested: <a href=\"https:\/\/yilkomer.com\/fabrika-ve-otomasyon-sistemlerinde-asiri-gerilim-korumasi-online-egitim\/\" target=\"_blank\" rel=\"noopener noreferrer\">December 26 | Overvoltage Protection Training for Facilities<\/a><\/p>\n<\/blockquote>\n<p><strong>1- Causes of Overvoltage<\/strong><\/p>\n<p>Overvoltage surges can be divided into two groups: lightning-induced and internal overvoltage sources. A lightning strike can affect an area with a radius of up to 2 km from the strike point. Another source of overvoltage is internal causes within the facility, such as:<\/p>\n<ul>\n<li>Switching operations<\/li>\n<li>Electrostatic discharge<\/li>\n<li>Grid-related harmonics and surges<\/li>\n<\/ul>\n<p>Lightning-induced surges follow a 10\/350 \u00b5s curve, while internal overvoltage surges follow an 8\/20 \u00b5s curve.<\/p>\n<p><a title=\"Free Technical Inspection Request\" href=\"https:\/\/yilkomer.com\/en\/free-technical-site-survey-application\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3818 aligncenter\" src=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2015\/03\/teknik-ke%C5%9Fif.png\" alt=\"technical-inspection\" width=\"760\" height=\"128\" \/><\/a><\/p>\n<figure id=\"attachment_4630\" aria-describedby=\"caption-attachment-4630\" style=\"width: 567px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2015\/11\/parafudr-y%C4%B1ld%C4%B1r%C4%B1mdan-korunma.jpg\"><img decoding=\"async\" class=\"wp-image-4630\" src=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2015\/11\/parafudr-y%C4%B1ld%C4%B1r%C4%B1mdan-korunma.jpg\" alt=\"Lightning Protection Surge Protector\" width=\"567\" height=\"375\" \/><\/a><figcaption id=\"caption-attachment-4630\" class=\"wp-caption-text\">Although lightning is considered the primary cause of overvoltage, statistics show that internal overvoltages cause greater damage to facilities.<\/figcaption><\/figure>\n<p><strong>2- Lightning Rods and Standards<\/strong><\/p>\n<p><strong><span style=\"text-decoration: underline;\">Lightning rod<\/span><\/strong> systems are included in the local standard of a French association called <strong>NFC 17102 Standard<\/strong>. According to <span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_IEC_standards\" target=\"_blank\" rel=\"noopener noreferrer\">IEC 62305<\/a><\/strong><\/span> standards, lightning rod systems are not recommended; passive air terminals are advised instead. Additionally, lightning rod systems do not provide electrical protection. Many facilities still experience device burnouts due to lightning strikes, even with lightning rods installed.<\/p>\n<figure id=\"attachment_4310\" aria-describedby=\"caption-attachment-4310\" style=\"width: 533px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2015\/09\/solar-panel-y%C4%B1ld%C4%B1r%C4%B1m-koruma.jpg\"><img decoding=\"async\" class=\"wp-image-4310\" src=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2015\/09\/solar-panel-y%C4%B1ld%C4%B1r%C4%B1m-koruma.jpg\" alt=\"Facilities should be protected with passive air terminals according to standards.\" width=\"533\" height=\"373\" \/><\/a><figcaption id=\"caption-attachment-4310\" class=\"wp-caption-text\">Facilities should be protected with passive air terminals according to standards.<\/figcaption><\/figure>\n<p><strong>3- Grounding of Lightning Protection Systems<\/strong><\/p>\n<p>Although it is common to think that lightning protection grounding should be done separately from building grounding, this is incorrect. For structures with basic grounding, connecting the lightning protection grounding to the building&#8217;s main grounding is recommended by the Grounding Regulation.<\/p>\n<figure id=\"attachment_4379\" aria-describedby=\"caption-attachment-4379\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2015\/09\/esptansiyel-topraklama-baras%C4%B1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4379\" src=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2015\/09\/esptansiyel-topraklama-baras%C4%B1.jpg\" alt=\"An equipotential busbar should be used for proper grounding.\" width=\"560\" height=\"373\" \/><\/a><figcaption id=\"caption-attachment-4379\" class=\"wp-caption-text\">An equipotential busbar should be used for proper grounding.<\/figcaption><\/figure>\n<p><strong>4- Use of LV Surge Protectors<\/strong><\/p>\n<p>According to IEC standards, in buildings with external lightning protection, the use of <strong><span style=\"color: #ff6600;\"><em><a href=\"https:\/\/yilkomer.com\/ag-parafudr-fiyat-listesi\/\" target=\"_blank\" rel=\"noopener noreferrer\">surge protectors<\/a><\/em><\/span><\/strong> is mandatory. Main panels should use B+C class surge protectors for lightning surges, while secondary panels should use C class surge protectors for internal overvoltage protection.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7865\" src=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2019\/07\/CMYK-SafeBloc-BR-50-275-40-TCG.jpg\" alt=\"What is a surge protector?\" width=\"1559\" height=\"1034\" srcset=\"https:\/\/yilkomer.com\/wp-content\/uploads\/2019\/07\/CMYK-SafeBloc-BR-50-275-40-TCG.jpg 1559w, https:\/\/yilkomer.com\/wp-content\/uploads\/2019\/07\/CMYK-SafeBloc-BR-50-275-40-TCG-300x199.jpg 300w, https:\/\/yilkomer.com\/wp-content\/uploads\/2019\/07\/CMYK-SafeBloc-BR-50-275-40-TCG-1024x679.jpg 1024w, https:\/\/yilkomer.com\/wp-content\/uploads\/2019\/07\/CMYK-SafeBloc-BR-50-275-40-TCG-768x509.jpg 768w, https:\/\/yilkomer.com\/wp-content\/uploads\/2019\/07\/CMYK-SafeBloc-BR-50-275-40-TCG-1536x1019.jpg 1536w\" sizes=\"(max-width: 1559px) 100vw, 1559px\" \/><\/p>\n<p><strong>5- Protection of Automation Systems<\/strong><\/p>\n<p>Automation systems (PLC and SCADA) are critical for continuous production in a facility. These systems are highly sensitive to overvoltage surges and should be protected using D class surge protectors.<\/p>\n<p style=\"text-align: center;\">You may be interested: <a href=\"https:\/\/yilkomer.com\/en\/protection-of-automation-systems-against-overvoltage-and-lightning\/\" target=\"_blank\" rel=\"noopener noreferrer\">Overvoltage Protection for Automation Systems<\/a><\/p>\n<p>&nbsp;<\/p><\/div>\n<p><!-- .vgblk-rw-wrapper --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The importance of maintenance engineering is significant for a factory or facility to continue operating efficiently and without interruption. Thanks to maintenance engineering, unplanned shutdowns, work and worker safety, productivity loss, financial losses, and similar issues are evaluated and prevented by an expert eye. In this article, we have compiled 7 key pieces of information&#8230;<\/p>\n","protected":false},"author":1,"featured_media":992406,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-51879","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/posts\/51879","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/comments?post=51879"}],"version-history":[{"count":1,"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/posts\/51879\/revisions"}],"predecessor-version":[{"id":994170,"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/posts\/51879\/revisions\/994170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/media\/992406"}],"wp:attachment":[{"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/media?parent=51879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/categories?post=51879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yilkomer.com\/en\/wp-json\/wp\/v2\/tags?post=51879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}