{"id":793,"date":"2023-12-19T16:21:13","date_gmt":"2023-12-19T08:21:13","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&#038;p=793"},"modified":"2024-09-05T16:36:16","modified_gmt":"2024-09-05T08:36:16","slug":"how-power-surge-happen-and-what-to-do-about-them","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/da\/blog\/how-power-surge-happen-and-what-to-do-about-them\/","title":{"rendered":"Hvordan str\u00f8mst\u00f8d opst\u00e5r, og hvad man skal g\u00f8re ved dem"},"content":{"rendered":"<strong>Hvad er Power Surge?<\/strong>\r\n\r\nPower surges are just as the name suggests: surges of electrical power that is higher than normal. Typical voltage levels for household appliances and electronics are between 110 volts and 230 volts in most countries. When significantly more voltage comes through wires into devices, it\u2019s known as a power surge. These surges can be small or large, resulting in reduced performance or possibly damaging plugged-in devices.\r\n\r\nA power surge is an extremely fast and intense power spike in electrical current. Surges are also referred to as \u201ctransient voltage\u201d because they\u2019re caused by the sudden presence of an overvoltage traveling through an electrical system.\r\n\r\n<strong>Hvad for\u00e5rsager str\u00f8mst\u00f8d?<\/strong>\r\n\r\nDer er flere \u00e5rsager til en str\u00f8mstigning. Hoved\u00e5rsagerne er elektrisk overbelastning, defekte ledninger, lynnedslag og genoprettelse af str\u00f8m efter str\u00f8mafbrydelse eller str\u00f8mafbrydelse.\r\n\r\n<strong>Elektrisk overbelastning<\/strong>\r\n\r\nElektriske overbelastninger kan forekomme, n\u00e5r der tr\u00e6kkes for meget str\u00f8m fra et enkelt kredsl\u00f8b. Dette sker oftest ved overforbrug af forl\u00e6ngerledninger og tilslutning af for mange enheder til det samme kredsl\u00f8b.\r\n\r\n<strong>Defekt ledningsf\u00f8ring<\/strong>\r\n\r\nDefekte ledninger er en potentiel intern \u00e5rsag til str\u00f8mst\u00f8d, som er mere tilb\u00f8jelige til at ske med beskadigede eller blotlagte elektriske ledninger.\r\n\r\n<strong>Lynnedslag<\/strong>\r\n\r\nLyn beskadiger sj\u00e6ldent apparater gennem direkte eksponering. Alligevel kan det skabe kaos ved at udl\u00f8se en str\u00f8mst\u00f8d. Lynskader skyldes normalt et direkte nedslag p\u00e5 elledninger, som frembringer en stor sp\u00e6nding. Lyn, der r\u00f8rer ned i n\u00e6rheden af \u200b\u200bdin elledning, kan f\u00f8re til en ekstra stigning i elektrisk sp\u00e6nding p\u00e5 millioner af volt. Str\u00f8mst\u00f8d fra lynnedslag kan \u00f8del\u00e6gge din elektronik.\r\n\r\n<strong>Str\u00f8mafbrydelse eller str\u00f8mafbrydelse<\/strong>\r\n\r\nStr\u00f8mafbrydelser opst\u00e5r typisk p\u00e5 grund af storstilet str\u00f8msvigt, og selvom manglen p\u00e5 elektricitet normalt ikke for\u00e5rsager nogen problemer, kan tilbagevenden til forbindelse ofte. Det er almindeligt at opleve et pludseligt spring i str\u00f8mmen, n\u00e5r str\u00f8mmen genoprettes efter en afbrydelse. Som f\u00f8lge heraf har denne str\u00f8mst\u00f8d potentiale til at beskadige alle tilsluttede apparater og enheder, der ikke har oversp\u00e6ndingsbeskyttere.\r\n\r\n<strong>Er oversp\u00e6ndingsbeskyttere n\u00f8dvendige?<\/strong>\r\n\r\nUden oversp\u00e6ndingsbeskytter kan en pludselig sp\u00e6ndingsstigning og medf\u00f8lgende str\u00f8mst\u00f8d beskadige dit udstyr. Selvom en str\u00f8mst\u00f8d ikke fuldst\u00e6ndig \u00f8del\u00e6gger din elektronik, kan det forkorte enheders levetid eller p\u00e5 anden m\u00e5de skade enheder og apparater.\r\n\r\n<strong>Hvordan forhindrer en str\u00f8mst\u00f8d at beskadige elektroniske enheder?<\/strong>\r\n\r\nBrug af oversp\u00e6ndingsbeskyttelsesanordninger, is\u00e6r n\u00e5r det kombineres med et p\u00e5lideligt jordingssystem, vil beskytte elektriske enheder og apparater mod alle undtagen de mest alvorlige str\u00f8mst\u00f8d.","protected":false},"featured_media":794,"parent":0,"menu_order":178,"template":"","meta":{"_acf_changed":false},"blog_category":[8],"class_list":["post-793","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-company-news"],"acf":{"des":"What Is Power Surge?Power surges are just as the name suggests: surges of electrical power that is higher than normal.","txt":"<strong>What Is Power Surge?<\/strong>\r\n\r\nPower surges are just as the name suggests: surges of electrical power that is higher than normal. Typical voltage levels for household appliances and electronics are between 110 volts and 230 volts in most countries. When significantly more voltage comes through wires into devices, it\u2019s known as a power surge. These surges can be small or large, resulting in reduced performance or possibly damaging plugged-in devices.\r\n\r\nA power surge is an extremely fast and intense power spike in electrical current. Surges are also referred to as \u201ctransient voltage\u201d because they\u2019re caused by the sudden presence of an overvoltage traveling through an electrical system.\r\n\r\n<strong>What Causes Power Surge?<\/strong>\r\n\r\nThere are several causes for a power surge. The main reasons are electrical overload, faulty wiring, lightning strikes, and the restoration of power after a power outage or blackout.\r\n\r\n<strong>Electrical Overload<\/strong>\r\n\r\nElectrical overloads can occur when too much power is drawn from a single circuit. This happens most commonly from overusing extension cords and plugging in too many devices into the same circuit.\r\n\r\n<strong>Faulty Wiring<\/strong>\r\n\r\nFaulty wiring is a potential internal cause of power surges, which are more likely to happen with damaged or exposed electrical wires.\r\n\r\n<strong>Lightning Strike<\/strong>\r\n\r\nLightning rarely damages appliances through direct exposure. Still, it can wreak havoc by triggering a power surge. Lightning damage usually results from a direct strike on power lines, which produces a large voltage. Lightning touching down simply near your power line can lead to an extra spike in electrical voltage of millions of volts. Power surges from lightning strikes can destroy your electronics.\r\n\r\n<strong>Power Outage or Blackout<\/strong>\r\n\r\nPower outages typically occur due to large-scale power grid failure, and while the lack of electricity doesn\u2019t usually cause any issues, the return to connection often can. It\u2019s common to experience a sudden jump in current when power is restored following an outage. As a result, this power surge has the potential to damage any plugged-in appliances and devices that do not have surge protectors.\r\n\r\n<strong>Are Surge Protectors Necessary?<\/strong>\r\n\r\nWithout surge protector, a sudden voltage spike and accompanying power surge could damage your equipment. Even if a power surge doesn\u2019t completely ruin your electronics, it can shorten the lifespan of devices, or otherwise harm devices and appliances.\r\n\r\n<strong>How Prevent a Power Surge From Damaging Electronic Devices?<\/strong>\r\n\r\nUsing surge protection devices, especially when combined with a reliable grounding system, will protect electrical devices and appliances from all but the most severe power surges."},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/da\/wp-json\/wp\/v2\/blog\/793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/da\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/da\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/da\/wp-json\/wp\/v2\/media\/794"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/da\/wp-json\/wp\/v2\/media?parent=793"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/da\/wp-json\/wp\/v2\/blog_category?post=793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}