{"id":868,"date":"2023-12-12T15:39:17","date_gmt":"2023-12-12T07:39:17","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&#038;p=868"},"modified":"2024-09-05T16:41:11","modified_gmt":"2024-09-05T08:41:11","slug":"how-to-choose-an-spd","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/pl\/blog\/how-to-choose-an-spd\/","title":{"rendered":"Jak wybra\u0107 SPD"},"content":{"rendered":"<strong>Dlaczego warto kupi\u0107 urz\u0105dzenie przeciwprzepi\u0119ciowe (SPD)?<\/strong>\r\n\r\nUrz\u0105dzenie przeciwprzepi\u0119ciowe (SPD) zosta\u0142o zaprojektowane w celu zmniejszenia napi\u0119cia udarowego, co chroni sprz\u0119t i zmniejsza koszty napraw i wymiany. Ka\u017cdy SPD redukuje napi\u0119cie udarowe do sprz\u0119tu podczas udaru do testowanego poziomu napi\u0119cia, zwanego napi\u0119ciem przelotowym.\r\n\r\n<strong>Rodzaje ochrony<\/strong>\r\n\r\nOmawiaj\u0105c r\u00f3\u017cne typy ochrony przeciwprzepi\u0119ciowej, mo\u017cna wyr\u00f3\u017cni\u0107 trzy g\u0142\u00f3wne typy:\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td width=\"102\">Typ<\/td>\r\n<td width=\"170\">Co to robi<\/td>\r\n<td width=\"296\">Gdzie go u\u017cywa\u0107<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"102\">Typ 1<\/td>\r\n<td width=\"170\">Ochrona przed bezpo\u015brednimi uderzeniami piorun\u00f3w<\/td>\r\n<td width=\"296\">Na wej\u015bciu zasilania dowolnej instalacji elektrycznej, w kt\u00f3rej zainstalowana jest zewn\u0119trzna ochrona odgromowa lub kt\u00f3ra jest zasilana z linii napowietrznych.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"102\">Typ 2<\/td>\r\n<td width=\"170\">Ochrona przeciwprzepi\u0119ciowa<\/td>\r\n<td width=\"296\">Do \u017ar\u00f3d\u0142a zasilania dowolnego budynku, kt\u00f3ry nie wymaga ochrony odgromowej i do stosowania na dowolnych p\u0142ytach pomocniczych w odleg\u0142o\u015bci wi\u0119kszej ni\u017c 10-15 metr\u00f3w od panelu g\u0142\u00f3wnego.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"102\">Typ 3<\/td>\r\n<td width=\"170\">Ochrona sprz\u0119tu ko\u0144cowego<\/td>\r\n<td width=\"296\">Na ka\u017cdym urz\u0105dzeniu, gdzie potrzebne jest niskie napi\u0119cie przelotowe.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<strong>Jaki jest w\u0142a\u015bciwy spos\u00f3b okre\u015blenia rozmiaru SPD, kt\u00f3ry nale\u017cy zastosowa\u0107 w systemie?<\/strong>\r\n\r\nSPDs are not one-size-fits-all devices, nor do the sizes of their kA rating (the surge rating) go hand-in-hand with the size of the panel. In other words, do not select an SPD with a maximum kA rating just because the panel is large.\r\n\r\nTo determine which SPD should be used for the system, you must know the reference to the ground as well as the type of voltage that is present. Therefore, a panel designer should first determine the type of electrical system in use, and then calculate the voltage reference to ground. The formula to determine this will depend on the type of system.\r\n\r\nFor example, for a single-phase system (also called a split-phase system), the line-to-line voltage is divided by two. The result is the optimal amount of volts that the SPD should have for that system.\r\n\r\n<strong>Jak wybra\u0107 urz\u0105dzenie<\/strong>\r\n<ul>\r\n \t<li>Czy urz\u0105dzenie jest odpowiednie dla Twojego uk\u0142adu uziemienia?<\/li>\r\n<\/ul>\r\nJest to jeden z najcz\u0119stszych problem\u00f3w podczas instalacji SPD. Najwa\u017cniejsz\u0105 kwesti\u0105 jest system TT, gdzie urz\u0105dzenie musi by\u0107 odpowiednie.\r\n<ul>\r\n \t<li>Czy urz\u0105dzenie chroni zar\u00f3wno bieguny pod napi\u0119ciem, jak i biegun neutralny?<\/li>\r\n<\/ul>\r\nNa rynku dost\u0119pnych jest kilka urz\u0105dze\u0144, kt\u00f3re mog\u0105 wydawa\u0107 si\u0119 niedrogie w por\u00f3wnaniu z innymi urz\u0105dzeniami, ale je\u015bli urz\u0105dzenie nie chroni zar\u00f3wno przewodu fazowego, jak i neutralnego, przepi\u0119cia mog\u0105 przedosta\u0107 si\u0119 do Twojej posesji i omin\u0105\u0107 SPD.\r\n<ul>\r\n \t<li>Jak\u0105 gwarancj\u0119 zapewnia producent?<\/li>\r\n<\/ul>\r\nJest to generalnie kluczowy wska\u017anik jako\u015bci komponent\u00f3w zastosowanych w SPD.\r\n\r\n<strong>Zakup odpowiedniego urz\u0105dzenia przeciwprzepi\u0119ciowego (SPD).<\/strong>\r\n\r\nChocia\u017c ka\u017cdy SPD zmniejszy poziom napi\u0119cia udarowego przekazywanego do sprz\u0119tu elektrycznego podczas przepi\u0119cia, niekt\u00f3re maj\u0105 napi\u0119cie przelotowe, kt\u00f3re jest zbyt wysokie, aby zapobiec uszkodzeniu, co jest prawie takie samo, jak brak jakiejkolwiek ochrony. BRITEC oferuje pe\u0142n\u0105 gam\u0119 urz\u0105dze\u0144 przeciwprzepi\u0119ciowych do ochrony sprz\u0119tu elektrycznego. Urz\u0105dzenia przeciwprzepi\u0119ciowe BRITEC to w\u0142a\u015bciwy wyb\u00f3r dla wszystkich firm i dom\u00f3w.","protected":false},"featured_media":870,"parent":0,"menu_order":143,"template":"","meta":{"_acf_changed":false},"blog_category":[8],"class_list":["post-868","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-company-news"],"acf":{"des":"A Surge Protective Device (SPD) is designed to reduce surge voltage, which protects equipment and reduces repair and replacement costs. Every SPD reduces the surge voltage to equipment during a surge to a voltage tested level known as Let-Through-Voltage.","txt":"<strong>Why Purchase a Surge Protective Device (SPD)?<\/strong>\r\n\r\nA Surge Protective Device (SPD) is designed to reduce surge voltage, which protects equipment and reduces repair and replacement costs. Every SPD reduces the surge voltage to equipment during a surge to a voltage tested level known as Let-Through-Voltage.\r\n\r\n<strong>Types of Protection<\/strong>\r\n\r\nWhen discussing di\ufb00erent types of surge protection, there are three main types:\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td width=\"102\">Type<\/td>\r\n<td width=\"170\">What it does<\/td>\r\n<td width=\"296\">Where to use it<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"102\">Type 1<\/td>\r\n<td width=\"170\">Protection against direct Lightning strikes<\/td>\r\n<td width=\"296\">At the mains incomer of any electrical installation where external Lightning Protection is installed, or is fed by overhead lines.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"102\">Type 2<\/td>\r\n<td width=\"170\">Surge Protection<\/td>\r\n<td width=\"296\">At the mains incomer of any building that doesn\u2019t need any lightning protection, and for use on any sub boards more than 10-15 meters from the main panel.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"102\">Type 3<\/td>\r\n<td width=\"170\">End equipment protection<\/td>\r\n<td width=\"296\">On any piece of equipment where a low let through voltage is needed.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<strong>What is the correct way to determine which size of SPD to use in a system?<\/strong>\r\n\r\nSPDs are not one-size-fits-all devices, nor do the sizes of their kA rating (the surge rating) go hand-in-hand with the size of the panel. In other words, do not select an SPD with a maximum kA rating just because the panel is large.\r\n\r\nTo determine which SPD should be used for the system, you must know the reference to the ground as well as the type of voltage that is present. Therefore, a panel designer should first determine the type of electrical system in use, and then calculate the voltage reference to ground. The formula to determine this will depend on the type of system.\r\n\r\nFor example, for a single-phase system (also called a split-phase system), the line-to-line voltage is divided by two. The result is the optimal amount of volts that the SPD should have for that system.\r\n\r\n<strong>How to choose a device<\/strong>\r\n<ul>\r\n \t<li>Is the device suitable for your earthing arrangement?<\/li>\r\n<\/ul>\r\nThis is one of the most common issues with SPD installation. The most important consideration is for TT systems, where the device needs to be suitable.\r\n<ul>\r\n \t<li>Is the device protecting both the live &amp; neutral poles?<\/li>\r\n<\/ul>\r\nThere are a few devices on the market with may seem inexpensive compared to other devices, but if the device is not protecting both live &amp; neutral, surges may enter your property and bypass the SPD.\r\n<ul>\r\n \t<li>What warranty does the manufacturer provide?<\/li>\r\n<\/ul>\r\nThis is generally a key indicator of the quality of the components used in the SPD.\r\n\r\n<strong>Purchasing the Right Surge Protective Device (SPD).<\/strong>\r\n\r\nWhile any SPD will reduce the surge voltage level passing to electrical equipment during a surge event, some have a Let-Through-Voltage that is too high to prevent damage, which is almost the same as having no protection at all. BRITEC offers a complete range of surge protective devices to protect electrical equipment. BRITEC Surge Protective Devices are the right choice for all businesses and homes."},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/blog\/868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/media\/870"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/media?parent=868"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/blog_category?post=868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}