{"id":40014,"date":"2022-11-22T08:51:15","date_gmt":"2022-11-22T08:51:15","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=40014"},"modified":"2023-10-19T12:08:24","modified_gmt":"2023-10-19T11:08:24","slug":"en-rnd-guide-till-led-drivare","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/","title":{"rendered":"En RND-guide till LED-drivare"},"content":{"rendered":"\n<p>Med s\u00e5 m\u00e5nga olika typer och varianter av LED-drivare kan det vara aningen f\u00f6rvirrande vilken man ska v\u00e4lja. Lyckligtvis kan <a href=\"https:\/\/www.distrelec.com\/global\/?search=rnd\" target=\"_blank\" rel=\"noreferrer noopener\">RND<\/a> lysa upp v\u00e4gen. Varum\u00e4rket erbjuder ett nytt sortiment med \u00f6ver femtio nya LED-drivare tillg\u00e4ngliga i b\u00e5de 12V och 24V. L\u00e4s vidare f\u00f6r att f\u00e5 veta mer om LED-teknik och hur du v\u00e4ljer r\u00e4tt drivare f\u00f6r din installation.<\/p>\n\n\n\n<h2 id=\"utvecklingen-av-led-teknik\" class=\"wp-block-heading\">Utvecklingen av LED-teknik<\/h2>\n\n\n\n<p>\u00c4ven om LED-belysningens historia \u00e4r \u00e4ldre, f\u00f6rverkligades inte den fulla potentialen hos lysdioder (LED) f\u00f6rr\u00e4n de uppt\u00e4cktes p\u00e5 60-talet av forskare och ingenj\u00f6rer, som Nick Holonyak, Jr. (&#8221;Den ljus-emitterande diodens fader&#8221;).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"367\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAFvAQMAAADuSSvoAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAswG47wAB2mcaegAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-39492 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/Early_LED_Patents-1024x367.png\" ><figcaption class=\"wp-element-caption\">Tidiga patent f\u00f6r ljusemitterande dioddesigner fr\u00e5n 1927-1969. K\u00e4lla: Wikimedia<\/figcaption><\/figure>\n\n\n\n<p>Holonyak b\u00f6rjade fokusera p\u00e5 att skapa effektivare lysdioder. Han designade den f\u00f6rsta ljusemitterande dioden som genererade synligt r\u00f6tt ljus ist\u00e4llet f\u00f6r infrar\u00f6tt ljus. Nu anv\u00e4nds konceptet vanligt i m\u00e5nga enheter; n\u00e5gra popul\u00e4ra applikationsexempel \u00e4r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trafikljus&nbsp;<\/li>\n\n\n\n<li>Kamerablixtar<\/li>\n\n\n\n<li>Lasrar<\/li>\n\n\n\n<li>Flygplan och parkeringsplatser<\/li>\n\n\n\n<li>Enhetssk\u00e4rmar, s\u00e5som TV-apparater, PC-datorer, surfplattor och telefoner<\/li>\n\n\n\n<li>J\u00e4rnv\u00e4gskorsning och flygplatsljus<\/li>\n\n\n\n<li>Hemelektronik<\/li>\n\n\n\n<li>Knappar och utg\u00e5ngsskyltar<\/li>\n\n\n\n<li>Mikroskopisk kirurgisk utrustning<\/li>\n\n\n\n<li>Modul\u00e4r och arbetsbelysning<\/li>\n<\/ul>\n\n\n\n<h2 id=\"led-drivare-i-korthet\" class=\"wp-block-heading\">LED-drivare i korthet<\/h2>\n\n\n\n<p>F\u00f6rdelarna med lysdioder j\u00e4mf\u00f6rt med traditionella gl\u00f6dljusk\u00e4llor \u00e4r att de erbjuder mycket l\u00e5g energif\u00f6rbrukning, l\u00e5ng livsl\u00e4ngd och \u00e4r avsev\u00e4rt mer milj\u00f6v\u00e4nliga. F\u00f6r att de ska fungera korrekt beh\u00f6ver LED-lampor drivare (\u00e4ven kallade LED-str\u00f6mf\u00f6rs\u00f6rjning eller dioddrivare) f\u00f6r att omvandla h\u00f6gsp\u00e4nd v\u00e4xelstr\u00f6m till l\u00e5gsp\u00e4nd likstr\u00f6m. D\u00e4rf\u00f6r \u00e4r en dioddrivare en frist\u00e5ende str\u00f6mk\u00e4lla som hanterar str\u00f6mmen som anv\u00e4nds av en ljusemitterande diod eller en array.&nbsp;<\/p>\n\n\n\n<p>LED-drivare \u00e4r en viktig del av elektrisk utrustning som styr str\u00f6mmen till en eller flera lysdioder. En annan viktig roll f\u00f6r drivaren \u00e4r att skydda dioderna fr\u00e5n skador. ol\u00e4mplig anv\u00e4ndning kan orsaka fel och m\u00f6jlig skada p\u00e5 komponenterna. Variationer i elektrisk str\u00f6m kan g\u00f6ra att en lampas ljusstyrka \u00e4ndras eller att lampan \u00f6verhettas. D\u00e4rf\u00f6r skyddar drivaren en s\u00e5dan lampa fr\u00e5n eventuella str\u00f6mfluktuationer om sp\u00e4nningen \u00e4ndras.&nbsp;<\/p>\n\n\n\n<h2 id=\"konstant-strom-och-konstant-spanning\" class=\"wp-block-heading\">Konstant str\u00f6m och konstant sp\u00e4nning&nbsp;<\/h2>\n\n\n\n<p>P\u00e5 marknaden finns det tv\u00e5 olika typer av LED-drivare: konstant sp\u00e4nning och konstant str\u00f6m, som var och en har olika funktioner och till\u00e4mpningar. Konstantstr\u00f6msdrivare \u00e4r designade f\u00f6r lysdioder som kr\u00e4ver en fast str\u00f6m men som t\u00e5l olika sp\u00e4nning. En konstantstr\u00f6msdrivare \u00e4r b\u00e4st l\u00e4mpad f\u00f6r att driva LED-downlights eller h\u00f6geffekts emitterande dioder. D\u00e4remot \u00e4r en konstantsp\u00e4nningsdrivare designad f\u00f6r lampor som beh\u00f6ver en fast sp\u00e4nning (p\u00e5 antingen 12 eller 24 V) med en str\u00f6m som regleras av en annan s\u00e4kerhetsanordning. Drivare med konstant sp\u00e4nning \u00e4r b\u00e4st l\u00e4mpade f\u00f6r f\u00e4rgstarka belysningar som beh\u00f6ver en konstant sp\u00e4nning f\u00f6r att beh\u00e5lla sin f\u00e4rg och intensitet.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"682\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAKqAQMAAACehL5yAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGtJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC8G1e5AAGKa6yjAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-39509 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/LED-equipment-1024x682.png\" ><\/figure>\n\n\n\n<h3 id=\"spanning\" class=\"wp-block-heading\">Sp\u00e4nning<\/h3>\n\n\n\n<p>Majoriteten av LED-utrustning \u00e4r l\u00e5gsp\u00e4nning. De flesta LED-slingor kr\u00e4ver antingen 12V eller 24V, enligt specifikationerna. Se till att k\u00f6pa en drivare med samma utg\u00e5ngssp\u00e4nning som LED-lampan den skall driva. Att anv\u00e4nda en 12V-slinga med en 24V-drivare kommer att \u00f6ka lysdiodernas ljusstyrka p\u00e5 kort sikt, men den h\u00f6gre sp\u00e4nningen f\u00f6rkortar lysdiodernas livsl\u00e4ngd.<\/p>\n\n\n\n<h3 id=\"wattal\" class=\"wp-block-heading\">Wattal<\/h3>\n\n\n\n<p>Wattalet p\u00e5 en drivare indikerar dess maximala uteffekt. Det rekommenderas att v\u00e4lja en drivare med ett wattal som \u00e4r minst 10% h\u00f6gre \u00e4n det f\u00f6r LED-lampan den driver, d\u00e5 detta s\u00e4kerst\u00e4ller en l\u00e4ngre livsl\u00e4ngd f\u00f6r systemet. Wattalet p\u00e5 sj\u00e4lva LED-lampan \u00e4r m\u00e4ngden effekt den f\u00f6rbrukar vid normal anv\u00e4ndning. F\u00f6r h\u00f6g effektf\u00f6rbrukning sliter ut den i f\u00f6rtid, f\u00f6r l\u00e5g effekt g\u00f6r kanske att det hela inte fungerar alls. Som ett resultat \u00e4r det b\u00e4st att undvika att ansluta drivare till lysdioder som anv\u00e4nder mer \u00e4n 80% av drivarens maximala effekt.&nbsp;<\/p>\n\n\n\n<h2 id=\"olika-typer-av-led-drivare\" class=\"wp-block-heading\">Olika typer av LED-drivare<\/h2>\n\n\n\n<p>F\u00f6rutom konstant str\u00f6m och konstant sp\u00e4nning kan LED-drivare grupperas i kategorier baserat p\u00e5 anv\u00e4ndningen i LED-lampenheten, och de \u00e4r antingen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Intern<\/strong> \u2013 interna drivare finns normalt i hush\u00e5lls-LED-lampor. Dessa lampor \u00e4r speciellt gjorda f\u00f6r hemmabruk och anv\u00e4nder inbyggda drivare i st\u00e4llet f\u00f6r separata externa.<\/li>\n\n\n\n<li><strong>Extern<\/strong> \u2013 externa drivare anv\u00e4nds normalt inom kommersiella belysningsapplikationer, lagerbelysning och gatubelysning. Drivare installeras externt fr\u00e5n lampan d\u00e5 det vanligtvis \u00e4r mycket billigare att byta ut drivaren \u00e4n att byta hela armaturen.<\/li>\n<\/ul>\n\n\n\n<p>Det finns ocks\u00e5 typer av drivare som varierar beroende p\u00e5 storlek, till exempel small eller micro med en generell rating p\u00e5 4 watt eller h\u00f6geffektsdrivare.&nbsp;<\/p>\n\n\n\n<p>Den senaste och mest avancerade LED-tekniken \u00e4r Chip-on-Board (COB)-lysdioder som best\u00e5r av integrerad elektronik och flera lysdioder arrangerade i ett kluster. De \u00e4r riktigt kraftfulla, anv\u00e4nder mindre energi och producerar en h\u00f6gkvalitativ ljusstr\u00e5le.<\/p>\n\n\n\n<p>Den sista kategorin som n\u00e4mns i denna artikel \u00e4r dimbara LED-drivare, och RND har flertalet i sortimentet. Se nedan och ta reda p\u00e5 mer om dimbara drivare.<\/p>\n\n\n\n<h3 id=\"dimbara-led-drivare\" class=\"wp-block-heading\">Dimbara LED-drivare<\/h3>\n\n\n\n<p>Dimbara drivare ger m\u00f6jlighet att minska effekten till lysdioden. Tack vare drivare med dimningsf\u00f6rm\u00e5ga kan du snabbt \u00e4ndra ljusstyrkan p\u00e5 ljuset. Det finns tv\u00e5 huvudtyper av dimbara drivare, dessa \u00e4r bak-kantsdimbara drivare (ibland kallade elektroniska l\u00e5gsp\u00e4nnings- eller ELV-drivare) och avancerade dimbara drivare (\u00e4ven k\u00e4nd som triod f\u00f6r AC- eller TRIAC-drivare).<\/p>\n\n\n\n<p>Framkantsdimrar \u00e4r vanligtvis det billigaste alternativet, men de kr\u00e4ver en h\u00f6gsp\u00e4nningslampa, vilket g\u00f6r dem mindre v\u00e4l l\u00e4mpade f\u00f6r l\u00e5gsp\u00e4nningsbelysning. Den andra typen \u00e4r dimbara drivenheter med bak-kantsdimning, dessa \u00e4r mer komplexa \u00e4n framkants-dimbara drivenheter och ger en j\u00e4mnare kontrollniv\u00e5.<\/p>\n\n\n\n<p>Det finns \u00e4ven DALI LED-drivare, DALI (Digital Addressable Lighting Interface) \u00e4r en internationell standard f\u00f6r kommunikation inom LED-belysning och tillhandah\u00e5ller ett tv\u00e5v\u00e4gskommunikationssystem som m\u00f6jligg\u00f6r mycket mer funktionalitet och kontroll \u00f6ver analoga styrenheter.<\/p>\n\n\n\n<p>RND tillhandah\u00e5ller ett omfattande utbud av b\u00e5de TRIAC och DALI LED-drivrare.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-39526 pk-lazyload\"  style=\"width:443px;height:244px\"  width=\"443\"  height=\"244\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294936-01.jpg\" ><\/figure><\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.elfa.se\/sv\/led-drivers-triac-dimmable-cv-rnd\/pf\/3800913\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Handla RND TRI<\/strong>AC-drivare<\/a><\/div>\n<\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-39543 pk-lazyload\"  style=\"width:414px;height:231px\"  width=\"414\"  height=\"231\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 414px) 100vw, 414px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294964-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294964-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294964-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294964-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294964-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294964-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/30294964-01.jpg?resize=800,447 800w\" ><\/figure><\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.elfa.se\/sv\/led-drivers-dali-dimmable-cv-rnd\/pf\/3800914\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Handla RND DALI-drivare<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 id=\"vilken-led-drivare-behover-du\" class=\"wp-block-heading\">Vilken LED-drivare beh\u00f6ver du?<\/h2>\n\n\n\n<p>Innan du best\u00e4mmer dig f\u00f6r vilken drivare som \u00e4r b\u00e4st f\u00f6r din applikation eller ditt projekt, m\u00e5ste du \u00f6verv\u00e4ga vissa saker:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Kompatibilitet&nbsp;<\/strong><\/li>\n<\/ol>\n\n\n\n<p>F\u00f6rst och fr\u00e4mst, se till att din LED-drivare \u00e4r helt kompatibel med din str\u00f6mf\u00f6rs\u00f6rjning och systemet du t\u00e4nker ansluta den till. Det betyder att parametrarna f\u00f6r LED-drivaren ska matcha de f\u00f6r lysdioden, s\u00e5 som sp\u00e4nning, str\u00f6m, etc.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li><strong>Betingelser<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Definiera den omgivande milj\u00f6n d\u00e4r drivaren befinner sig. Om du till exempel installerar lysdioder i utomhusmilj\u00f6, se till att drivaren har tillr\u00e4cklig niv\u00e5 av vattent\u00e4thet. Det finns LED-drivare speciellt avsedda f\u00f6r utomhusmilj\u00f6.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li><strong>Kabel<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Identifiera (P) positiva och (N) negativa ledningar i ditt uttag, koppla sedan bort uttaget fr\u00e5n n\u00e4tet. Kom ih\u00e5g att om drivare och transformatorer saknar terminaler m\u00e5ste anv\u00e4ndaren ansluta en kontakt till kabelns \u00e4nde. T\u00e4nk p\u00e5 att endast erfarna och kvalificerade yrkesm\u00e4n b\u00f6r g\u00f6ra kabeldragningen.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li><strong>Installation<\/strong><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"572\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAI8AQMAAABVu0ssAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA8G4gSwABm\/An9QAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-39560 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/11\/Electrician-1024x572.png\" ><\/figure>\n\n\n\n<p>N\u00e4sta process inneb\u00e4r att installera drivaren och ansluta den till LED-systemet med l\u00e4mpliga, f\u00e4rgkodade skruvar. Anslut de positiva och negativa ledningarna fr\u00e5n ljussystemet till motsvarande terminaler p\u00e5 drivaren. Anslut sedan den gr\u00f6na jordningskabeln (GND) p\u00e5 drivaren till en jordterminal. Slutligen, anslut de positiva och negativa ledningarna i eluttaget till motsvarande terminaler p\u00e5 drivaren.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li><strong>Testning<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Du kan nu testa installationen noggrant f\u00f6r att se till att alla anslutningar \u00e4r s\u00e4kra och applicerade p\u00e5 r\u00e4tt s\u00e4tt, kontrollera att v\u00e4rmen avleds ordentligt och att alla kablar \u00e4r korrekt anslutna. Om ett fel intr\u00e4ffar, st\u00e4ng av str\u00f6mmen f\u00f6rst och inspektera anslutningen noggrant f\u00f6r att se om det finns ett problem. Det \u00e4r n\u00f6dv\u00e4ndigt att byta ut LED-drivaren om den \u00e4r trasig.<\/p>\n\n\n\n<p>Du kan <strong>testa en LED-drivare<\/strong> p\u00e5 f\u00f6ljande tre s\u00e4tt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Anslut den till LED-systemet och observerar resultatet.<\/li>\n\n\n\n<li>Med hj\u00e4lp av elektronisk testutrustning, till exempel en voltmeter som g\u00f6r det m\u00f6jligt att kontrollera drivarens utsp\u00e4nning. Var uppm\u00e4rksam eftersom LED-drivare med konstant str\u00f6m kan arbeta med mycket h\u00f6g sp\u00e4nning.&nbsp;<\/li>\n\n\n\n<li>Ansluta ett belastningsmotst\u00e5nd.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"tand-upp-med-rnd-led-drivare\" class=\"wp-block-heading\">T\u00e4nd upp med RND LED-drivare<\/h2>\n\n\n\n<p>Nu n\u00e4r du vet vilken drivare du beh\u00f6ver kan du v\u00e4lja bland de fr\u00e5n RND. I erbjudandet finns 51 LED-drivare som \u00e4r l\u00e4tt tillg\u00e4ngliga i b\u00e5de 12V och 24V och har stor variation av uteffekt, fr\u00e5n 15W till 300W. RNDs LED-drivare ser till att du har tillr\u00e4ckligt med kraft f\u00f6r alla dina belysningsalternativ. Klicka p\u00e5 knappen nedan f\u00f6r att utforska det nya sortimentet av RND-drivare.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.elfa.se\/search?q=rndledlighting&amp;sid=&amp;int_cid=2241categories.hero-sub-ban&amp;ikw=RND\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Handla RND LED-drivare<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 id=\"fragor-och-svar\" class=\"wp-block-heading\"><strong>Fr\u00e5gor och svar<\/strong><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1667399923827\"><strong class=\"schema-faq-question\"><strong>Vad \u00e4r LED-drivare?<\/strong><\/strong> <p class=\"schema-faq-answer\">LED-drivare \u00e4r specialiserade kraftomvandlare som fungerar med LED-belysning. S\u00e5dana drivare f\u00f6rser lysdioder med en stabil str\u00f6mf\u00f6rs\u00f6rjning genom att omvandla v\u00e4xelstr\u00f6m (AC) till likstr\u00f6m (DC). De levererar konsekvent och oavbruten str\u00f6mf\u00f6rs\u00f6rjning genom att korrigera f\u00f6r\u00e4ndringar i temperatur och elektrisk ledningsf\u00f6rm\u00e5ga. Detta f\u00f6rhindrar att lysdioderna \u00f6verhettas, flimrar, \u00e4ndrar f\u00e4rg och f\u00f6rs\u00e4mras i prestanda.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667399953536\"><strong class=\"schema-faq-question\"><strong>Hur fungerar en LED-drivare?<\/strong><\/strong> <p class=\"schema-faq-answer\">LED-drivare \u00e4r enheter som styr och levererar den elektricitet som kr\u00e4vs f\u00f6r att &#8221;driva&#8221; LED-belysning. Drivare fungerar p\u00e5 samma s\u00e4tt som transformatorer f\u00f6r l\u00e5gsp\u00e4nningsgl\u00f6dlampor. LED-lampor \u00e4r vanligtvis l\u00e5gsp\u00e4nningsenheter som kr\u00e4ver en likstr\u00f6msk\u00e4lla (vanligtvis 4, 12 eller 24 V). De flesta v\u00e4gguttagsstr\u00f6mk\u00e4llor \u00e4r \u00e5 andra sidan inte direkt kompatibla eftersom de arbetar med en betydligt h\u00f6gre sp\u00e4nning (mellan 120 och 277V) och levererar v\u00e4xelstr\u00f6m. Eftersom en lysdiods medelsp\u00e4nning \u00e4r f\u00f6r l\u00e5g f\u00f6r en standardtransformator, anv\u00e4nds specialiserade drivare f\u00f6r att omvandla h\u00f6gsp\u00e4nningsv\u00e4xelstr\u00f6m till l\u00e5gsp\u00e4nningslikstr\u00f6m.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667399954228\"><strong class=\"schema-faq-question\"><strong>Vad \u00e4r syftet med en LED-drivare?<\/strong><\/strong> <p class=\"schema-faq-answer\">LED-drivare skyddar LED-lampor fr\u00e5n str\u00f6m- och sp\u00e4nningsf\u00f6r\u00e4ndringar. Drivarna har effektniv\u00e5er som motsvarar lysdiodlampans behov. De garanterar att sp\u00e4nningen och str\u00f6mmen till LED-lamporna f\u00f6rblir inom LED-lampornas funktionsomr\u00e5de trots variationer i str\u00f6mf\u00f6rs\u00f6rjningen.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667399954828\"><strong class=\"schema-faq-question\"><strong>Beh\u00f6ver alla LED-lampor en drivare?<\/strong><\/strong> <p class=\"schema-faq-answer\">Ja, en drivare \u00e4r n\u00f6dv\u00e4ndig f\u00f6r varje LED-ljusk\u00e4lla. Vissa LED-lampor, s\u00e4rskilt de som \u00e4r gjorda f\u00f6r hemmabruk, har dock inbyggda drivare ist\u00e4llet f\u00f6r externa.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667399955893\"><strong class=\"schema-faq-question\"><strong>Beh\u00f6ver jag en separat LED-drivare?<\/strong><\/strong> <p class=\"schema-faq-answer\">Som n\u00e4mnts ovan kan vissa LED-lampor redan inneh\u00e5lla en integrerad drivare. Men LED-lampor med l\u00e4gre sp\u00e4nning kr\u00e4ver i allm\u00e4nhet en separat drivare. \u00c4ven om det inte \u00e4r ett stort problem om en drivare fallerar, kan den bytas ut utan att byta gl\u00f6dlampa.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667399995277\"><strong class=\"schema-faq-question\"><strong>Hur installerar man en LED-drivare?<\/strong><\/strong> <p class=\"schema-faq-answer\">Omgivningens temperatur och luftfuktighet m\u00e5ste beaktas n\u00e4r du installerar LED-drivaren. Drivaren kr\u00e4ver en position som mestadels \u00e4r torr och v\u00e4lventilerad f\u00f6r att fungera stadigt och under b\u00e4sta m\u00f6jliga f\u00f6rh\u00e5llanden.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667400006699\"><strong class=\"schema-faq-question\"><strong>\u00c4r LED-drivare dimbara?<\/strong><\/strong> <p class=\"schema-faq-answer\">Det finns vissa dimbara LED-drivare, grupperade i tv\u00e5 typer: bak-kantsdimbara och framkantsdimbara, b\u00e5da fungerar genom att minska effekten som tillf\u00f6rs lysdioden. N\u00e4r du k\u00f6per dimbara drivare, kontrollera att det st\u00e5r p\u00e5 f\u00f6rpackningen att de \u00e4r dimbara.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667400023405\"><strong class=\"schema-faq-question\"><strong>\u00c4r LED-drivare AC eller DC?<\/strong><\/strong> <p class=\"schema-faq-answer\">Det finns tv\u00e5 kategorier: AC-DC och DC-DC LED-drivare. \u00c4ven om DC-str\u00f6mk\u00e4llan f\u00f6r DC-DC LED-drivare kan komma fr\u00e5n en AC till DC-str\u00f6mk\u00e4lla eller en DC-ing\u00e5ng som en centraliserad str\u00f6mf\u00f6rs\u00f6rjningsbuss eller ett batteri, \u00e4r AC-str\u00f6mk\u00e4llan f\u00f6r AC-DC LED-drivare direkt kopplad till eln\u00e4tet. Det \u00e4r viktigt att noggrant granska databladet; om LED-lampan beh\u00f6ver DC-sp\u00e4nning kan en AC-LED-drivare inte anv\u00e4ndas.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1667400036802\"><strong class=\"schema-faq-question\"><strong>Var kan man k\u00f6pa LED-drivare?<\/strong><\/strong> <p class=\"schema-faq-answer\">Det finns gott om elbutiker d\u00e4r du kan hitta och k\u00f6pa LED-belysningssystem, lampor och drivare. Vi rekommenderar att du bl\u00e4ddrar i <a href=\"https:\/\/www.distrelec.com\/global\/\" target=\"_blank\" rel=\"noreferrer noopener\">Elfa Distrelecs webbshop<\/a> och kollar in v\u00e5rt urval av <a href=\"https:\/\/www.distrelec.ch\/search?q=rndledlighting&amp;sid=&amp;int_cid=2241categories.hero-sub-ban&amp;ikw=RND\" target=\"_blank\" rel=\"noreferrer noopener\">RND LED-drivare<\/a>. De \u00e4r l\u00e4ttillg\u00e4ngliga och \u00e4r perfekta f\u00f6r en m\u00e4ngd olika belysningstill\u00e4mpningar.\u00a0<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"Med s\u00e5 m\u00e5nga olika typer och varianter av LED-drivare kan det vara aningen f\u00f6rvirrande vilken man ska v\u00e4lja.&hellip;\n","protected":false},"author":37,"featured_media":39594,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[240,241,246],"tags":[],"coauthors":[1748],"class_list":{"0":"post-40014","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-elektronik-sv","8":"category-energi-stromforsorjning","9":"category-rnd-sv","10":"cs-entry","11":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>En RND-guide till LED-drivare - KnowHow<\/title>\n<meta name=\"description\" content=\"LED-lampor fungerar inte utan LED-drivare. 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Scott is responsible for the Automation, Test &amp; Measurement &amp; Power products areas, amongst others. He spent 5 years as a Distrelec Product Manager before transitioning over to the RND team to take on a new challenge. Coming from an Electrical and Electronics background, Scott is well placed to drive RND into new product areas, with his main focus being products designed for Automation applications.\",\"url\":\"https:\/\/knowhow.distrelec.com\/sv\/author\/scott-wunderley\/\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399923827\",\"position\":1,\"url\":\"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399923827\",\"name\":\"What are LED drivers?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LED drivers are specialised power conversion devices that work with LED lighting. Such drivers provide LEDs with a stable power supply by converting alternating current (AC) to direct current (DC). They deliver consistent and uninterrupted power supply by correcting changes in temperature and electrical conductivity. This prevents the LEDs from overheating, flickering, changing colour and degrading in performance.\",\"inLanguage\":\"sv-SE\"},\"inLanguage\":\"sv-SE\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399953536\",\"position\":2,\"url\":\"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399953536\",\"name\":\"How does an LED driver work?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LED drivers are devices that control and deliver the electricity required to 'drive' LED lighting. Drivers act similarly to transformers for low-voltage lights. LED lights are generally low-voltage devices requiring a direct current power source (usually 4v, 12v, or 24v). Most wall socket power sources, on the other hand, are not directly compatible since they operate at a significantly higher voltage (between 120 and 277V) and produce alternating currents. Because an LED's average voltage is too low for a standard transformer, specialised light drivers are used to convert high voltage alternating current to low-voltage direct current.\",\"inLanguage\":\"sv-SE\"},\"inLanguage\":\"sv-SE\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399954228\",\"position\":3,\"url\":\"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399954228\",\"name\":\"What is the purpose of an LED driver?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LED drivers safeguard LED lights from current and voltage changes. 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We recommend browsing the <a href=\\\"https:\/\/www.distrelec.com\/global\/\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">Distrelec webshop<\/a> and checking out our selection of <a href=\\\"https:\/\/www.distrelec.ch\/search?q=rndledlighting&amp;sid=&amp;int_cid=2241categories.hero-sub-ban&amp;ikw=RND\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">RND LED drivers<\/a>. They are easily accessible and are perfect for a wide range of lighting applications.\u00a0\",\"inLanguage\":\"sv-SE\"},\"inLanguage\":\"sv-SE\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"En RND-guide till LED-drivare - KnowHow","description":"LED-lampor fungerar inte utan LED-drivare. Vet du vilken du beh\u00f6ver f\u00f6r din installation? 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Scott is responsible for the Automation, Test &amp; Measurement &amp; Power products areas, amongst others. He spent 5 years as a Distrelec Product Manager before transitioning over to the RND team to take on a new challenge. Coming from an Electrical and Electronics background, Scott is well placed to drive RND into new product areas, with his main focus being products designed for Automation applications.","url":"https:\/\/knowhow.distrelec.com\/sv\/author\/scott-wunderley\/"},{"@type":"Question","@id":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399923827","position":1,"url":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399923827","name":"What are LED drivers?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"LED drivers are specialised power conversion devices that work with LED lighting. Such drivers provide LEDs with a stable power supply by converting alternating current (AC) to direct current (DC). They deliver consistent and uninterrupted power supply by correcting changes in temperature and electrical conductivity. This prevents the LEDs from overheating, flickering, changing colour and degrading in performance.","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399953536","position":2,"url":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399953536","name":"How does an LED driver work?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"LED drivers are devices that control and deliver the electricity required to 'drive' LED lighting. Drivers act similarly to transformers for low-voltage lights. LED lights are generally low-voltage devices requiring a direct current power source (usually 4v, 12v, or 24v). Most wall socket power sources, on the other hand, are not directly compatible since they operate at a significantly higher voltage (between 120 and 277V) and produce alternating currents. Because an LED's average voltage is too low for a standard transformer, specialised light drivers are used to convert high voltage alternating current to low-voltage direct current.","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399954228","position":3,"url":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399954228","name":"What is the purpose of an LED driver?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"LED drivers safeguard LED lights from current and voltage changes. The drivers have power output levels that correspond to LED needs. They guarantee that the voltage and current to the LED bulbs remain within the LEDs' operational range despite variations in the power supply.\u00a0","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399954828","position":4,"url":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399954828","name":"Do all LED lights need a driver?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, a driver is necessary for every LED light source. However, some LEDs, particularly those made for home use have inbuilt drivers instead of external drivers.\u00a0","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399955893","position":5,"url":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399955893","name":"Do I need a separate LED driver?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"As mentioned above, some LED bulbs might already contain an integrated driver. However, lower-voltage LEDs generally require a separate driver. Although it is not a big issue as if the driver fails, it may be replaced without replacing the bulb.\u00a0","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399995277","position":6,"url":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667399995277","name":"How to install an LED driver?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The environmental temperature and humidity must be considered while installing the LED driver. The lead driver requires a position that is mostly dry and well-ventilated in order to operate steadily and in the best conditions possible.\u00a0","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667400006699","position":7,"url":"https:\/\/knowhow.distrelec.com\/sv\/rnd-sv\/en-rnd-guide-till-led-drivare\/#faq-question-1667400006699","name":"Are LED drivers dimmable?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"There are some LED drivers with dimmable capabilities, grouped in two types: trailing-edge dimmable drivers and leading-edge dimmable drivers, both function by lowering the amount of power provided to the LED. 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We recommend browsing the <a href=\"https:\/\/www.distrelec.com\/global\/\" target=\"_blank\" rel=\"noreferrer noopener\">Distrelec webshop<\/a> and checking out our selection of <a href=\"https:\/\/www.distrelec.ch\/search?q=rndledlighting&amp;sid=&amp;int_cid=2241categories.hero-sub-ban&amp;ikw=RND\" target=\"_blank\" rel=\"noreferrer noopener\">RND LED drivers<\/a>. 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