{"id":56272,"date":"2023-07-31T09:35:34","date_gmt":"2023-07-31T08:35:34","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=56272"},"modified":"2023-07-31T09:35:36","modified_gmt":"2023-07-31T08:35:36","slug":"maximera-livslangden-for-nataggregat-med-kylflaktar","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/sm-sv\/maximera-livslangden-for-nataggregat-med-kylflaktar\/","title":{"rendered":"Maximera livsl\u00e4ngden f\u00f6r n\u00e4taggregat med kylfl\u00e4ktar"},"content":{"rendered":"\n<p><em>Kylfl\u00e4ktar \u00e4r viktiga f\u00f6r str\u00f6mf\u00f6rs\u00f6rjning som beh\u00f6ver forcerad kylning f\u00f6r att f\u00f6rhindra \u00f6verhettning.<\/em><\/p>\n\n\n\n<p>\u00d6verhettning av enheter kan minska livsl\u00e4ngden f\u00f6r annars perfekt fungerande utrustning. N\u00e4r temperaturen stiger och str\u00f6mf\u00f6rs\u00f6rjningen klarar mer belastning, genererar den mer v\u00e4rme, vilket potentiellt kan \u00f6verstiga den maximala temperatur str\u00f6mf\u00f6rs\u00f6rjningen klarar av. F\u00f6r att motverka detta kr\u00e4vs kylfl\u00e4ktar. De hj\u00e4lper till att avleda v\u00e4rme, vilket s\u00e4kerst\u00e4ller att str\u00f6mf\u00f6rs\u00f6rjningen fungerar inom s\u00e4kra temperaturgr\u00e4nser. Genom att effektivt f\u00f6rhindra \u00f6verhettning bidrar kylfl\u00e4ktar till att f\u00f6rl\u00e4nga str\u00f6mf\u00f6rs\u00f6rjningens livsl\u00e4ngd och s\u00e4kerst\u00e4lla dess tillf\u00f6rlitliga drift.<\/p>\n\n\n\n<p>L\u00e4s vidare f\u00f6r att ta reda p\u00e5 mer om kylstr\u00f6mf\u00f6rs\u00f6rjning, hur de fungerar och uppt\u00e4ck funktionerna hos markerade produkter som \u00e4r utformade f\u00f6r att minimera str\u00f6mf\u00f6rbrukningen utan belastning och maximera effektiviteten.<\/p>\n\n\n\n<h2 id=\"hur-fungerar-kylstromforsorjning\" class=\"wp-block-heading\">Hur fungerar kylstr\u00f6mf\u00f6rs\u00f6rjning?&nbsp;<\/h2>\n\n\n\n<p>N\u00e4taggregat genererar v\u00e4rme under drift och omvandling av elektrisk kraft. Den \u00f6verdrivna v\u00e4rmen kan minska str\u00f6mf\u00f6rs\u00f6rjningens prestanda och livsl\u00e4ngd. D\u00e4rf\u00f6r hj\u00e4lper kylfl\u00e4ktar till att avleda denna v\u00e4rme och s\u00e4kerst\u00e4lla att str\u00f6mf\u00f6rs\u00f6rjningen fungerar inom dess driftstemperatur.&nbsp;<\/p>\n\n\n\n<p>Ofta har str\u00f6mf\u00f6rs\u00f6rjningsenheter (PSU) inbyggda kylfl\u00e4ktar medan andra \u00e4r konstruerade f\u00f6r att tv\u00e5ngs- eller konvektionskyla. Medan konventionell kylning anv\u00e4nder fri luft, anv\u00e4nder kraftkylning fl\u00e4ktar f\u00f6r att s\u00e4nka temperaturen p\u00e5 str\u00f6mf\u00f6rs\u00f6rjningen. Huvudskillnaden mellan dessa tv\u00e5 \u00e4r effektt\u00e4theten som \u00e4r avsedd f\u00f6r en specifik effektivitet. Vanligtvis har konvektionskylda enheter en l\u00e4gre effektt\u00e4thet \u00e4n kraftkylda och tar upp mer utrymme.&nbsp; Det kommer att anges i n\u00e4taggregatets datablad om den \u00e4r konvektionskyld, forcerad luftkyld eller b\u00e5da.&nbsp;<\/p>\n\n\n\n<h3 id=\"luftflode\" class=\"wp-block-heading\">Luftfl\u00f6de<\/h3>\n\n\n\n<p>Luftfl\u00f6de \u00e4r luftens r\u00f6relse i en str\u00f6mf\u00f6rs\u00f6rjningsenhet. Genom insug och utlopp underl\u00e4ttar det kylning och uppr\u00e4tth\u00e5ller de optimala temperaturerna f\u00f6r alla komponenter i PSU:n. Det \u00e4r viktigt att ber\u00e4kna och kontrollera luftfl\u00f6det. F\u00f6r att hj\u00e4lpa dig med det, utforska n\u00e5gra av de <a href=\"https:\/\/www.xppower.com\/resources\/blog\/hints-tips-cooling-fans-for-power-supplies\" target=\"_blank\" rel=\"noreferrer noopener\">tips och r\u00e5d om anv\u00e4ndningen av kylfl\u00e4ktar f\u00f6r str\u00f6mf\u00f6rs\u00f6rjning fr\u00e5n XP Power<\/a> som vi avslutade nedan.<\/p>\n\n\n\n<h4 id=\"berakna-luftflode\" class=\"wp-block-heading\">Ber\u00e4kna luftfl\u00f6de<\/h4>\n\n\n\n<p>Beroende p\u00e5 temperaturen som utrustningen k\u00f6rs p\u00e5 eller om str\u00f6mf\u00f6rs\u00f6rjningen kr\u00e4ver en extern fl\u00e4ktkylning, finns det tv\u00e5 s\u00e4tt att ber\u00e4kna luftfl\u00f6det.&nbsp;<\/p>\n\n\n\n<p>Ber\u00e4kna f\u00f6rst luftfl\u00f6det genom att m\u00e4ta den maximala driftstemperaturen. Sj\u00e4lva str\u00f6mf\u00f6rs\u00f6rjningen har vanligtvis en maximal driftstemperatur, ofta runt 50&nbsp;\u00b0C, vilket best\u00e4ms av s\u00e4kerhetsgodk\u00e4nnanden eller behovet av att f\u00f6rb\u00e4ttra komponentens livsl\u00e4ngd. Det observeras allm\u00e4nt att f\u00f6r varje 10&nbsp;\u00b0C minskning av temperaturen i ett elektrolytisk kondensatorh\u00f6lje f\u00f6rdubblas str\u00f6mf\u00f6rs\u00f6rjningens livsl\u00e4ngd.<\/p>\n\n\n\n<p>F\u00f6r det andra, best\u00e4mma effektf\u00f6rlusten. Den effekt som anv\u00e4nds i lasten och den effekt som g\u00e5r f\u00f6rlorad av str\u00f6mf\u00f6rs\u00f6rjningen (spillv\u00e4rme) \u00e4r den totala effekt som f\u00f6rbrukas inuti kapslingen. Efter XP Power-exemplet, f\u00f6rutsatt att str\u00f6mf\u00f6rs\u00f6rjningen \u00e4r 80 % effektiv och belastningen som tas av elektroniken \u00e4r 260 W, \u00e4r dess totala v\u00e4rmeavledning 260 W \/ 0,8 dvs. 325 W. F\u00f6r att ber\u00e4kna att det \u00e4r anv\u00e4ndbart att anv\u00e4nda en universell formel (se figur 1).&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\" pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/lh4.googleusercontent.com\/NrdDQCNFM_1PWm6tpddauirqEG0vuA6gLeNntZNJ0PFtEnbZwrW-niShbsLUSYKt0yiSt1BFLEEquwyarfadY4iX07F3U8crNh_KJaoPq158HWLrFRhtitQ-08iCy-gx6d_IIBsPNe3MNa5D1E2GZn8\" ><figcaption class=\"wp-element-caption\">Figur 1: En universell formel som anv\u00e4nder konstanten 2,6 f\u00f6r att best\u00e4mma hur mycket luftfl\u00f6de som kr\u00e4vs f\u00f6r att uppr\u00e4tth\u00e5lla en specifik temperatur\u00f6kning f\u00f6r en given m\u00e4ngd v\u00e4rme. K\u00e4lla: XP Power<\/figcaption><\/figure><\/div>\n\n\n<h3 id=\"kontrollera-luftflodet\" class=\"wp-block-heading\">Kontrollera luftfl\u00f6det<\/h3>\n\n\n\n<p>Att kontrollera luftfl\u00f6det \u00e4r inte lika enkelt som att ber\u00e4kna, s\u00e5 att f\u00f6lja ovanst\u00e5ende ber\u00e4kningar kan hj\u00e4lpa dig att v\u00e4lja en l\u00e4mplig klassificering f\u00f6r fl\u00e4ktens luftfl\u00f6de. D\u00e4remot b\u00f6r kapslingen ha ett naturligt motst\u00e5nd mot luftfl\u00f6det, k\u00e4nt som tryckfall.&nbsp;<\/p>\n\n\n\n<p>Tryckfallet avser minskningen av lufttrycket n\u00e4r det str\u00f6mmar genom ett system eller en enhet. Det uppst\u00e5r p\u00e5 grund av motst\u00e5nd som luften m\u00f6ter n\u00e4r den passerar genom PCB, filter, ventiler och kanaler. Tryckfallet kan variera beroende p\u00e5 storleken p\u00e5 kretskortet eller ventilen och omr\u00e5det d\u00e4r luften str\u00f6mmar igenom.<\/p>\n\n\n\n<p>Tryckfallet kan p\u00e5verka luftfl\u00f6dessystemets totala effektivitet och prestanda s\u00e5 det \u00e4r viktigt att korrekt ber\u00e4kna luftfl\u00f6det. Men att fastst\u00e4lla det faktiska tryckf\u00f6rlusten f\u00f6r varje applikation kan vara f\u00f6r komplicerat, d\u00e4rf\u00f6r publicerar varje tillverkare en graf f\u00f6r varje fl\u00e4kt som visar luftfl\u00f6det vid olika tryckfall.&nbsp;<\/p>\n\n\n\n<p>F\u00f6r fler riktlinjer om hur man ber\u00e4knar tryckf\u00f6rlusterna, l\u00e4s XP <a href=\"https:\/\/www.xppower.com\/resources\/blog\/hints-tips-cooling-fans-for-power-supplies\" target=\"_blank\" rel=\"noreferrer noopener\">Power-bloggen<\/a>.<\/p>\n\n\n\n<h3 id=\"tvangskyld-stromforsorjning-luftflode\" class=\"wp-block-heading\">tv\u00e5ngskyld str\u00f6mf\u00f6rs\u00f6rjning luftfl\u00f6de<\/h3>\n\n\n\n<p>N\u00e4r det g\u00e4ller en tv\u00e5ngskyld str\u00f6mf\u00f6rs\u00f6rjning<strong>, <\/strong>f\u00f6r exakt och p\u00e5litlig drift, \u00e4r m\u00e4ngden luft som str\u00f6mmar \u00f6ver avg\u00f6rande. Den valda fl\u00e4kten kommer att beh\u00f6va ha en betydligt h\u00f6gre klassificering om den inte kan placeras direkt p\u00e5 str\u00f6mf\u00f6rs\u00f6rjningen eller om hela luftfl\u00f6det inte kan riktas \u00f6ver den.<\/p>\n\n\n\n<p>Fl\u00e4ktspecifikationer kan anges i olika enheter s\u00e5som linj\u00e4r fot per minut (LFM), kubikfot per minut (CFM) eller kubikmeter per timme (m3\/h). Att konvertera mellan dessa enheter kr\u00e4ver kunskap om fl\u00e4ktventilsystemets tv\u00e4rsnittsarea. N\u00e4r det g\u00e4ller tv\u00e5ngskylda str\u00f6mf\u00f6rs\u00f6rjningar kan det erforderliga luftfl\u00f6det tillhandah\u00e5llas som antingen en hastighetsklassning, s\u00e5som LFM eller en volymetrisk klassificering \u2013 CFM.<\/p>\n\n\n\n<h2 id=\"hantera-nataggregatets-livstid\" class=\"wp-block-heading\">Hantera n\u00e4taggregatets livstid&nbsp;<\/h2>\n\n\n\n<p>\u00c4ven om designers tar h\u00e4nsyn till olika faktorer f\u00f6r att s\u00e4kerst\u00e4lla en adekvat produktlivsl\u00e4ngd, kanske tillverkare inte inkluderar alla specifika aspekter, som uppdragsprofil, milj\u00f6, applicerad belastning, monteringsorientering, systemkylning\/ventilation, etc. Som ett resultat b\u00f6r livsl\u00e4ngden f\u00f6r vissa av komponenterna i en PSU omv\u00e4rderas baserat p\u00e5 de specifika installationsf\u00f6rh\u00e5llandena.&nbsp;<\/p>\n\n\n\n<h3 id=\"drifttemperatur\" class=\"wp-block-heading\">Drifttemperatur<\/h3>\n\n\n\n<p>En bra indikation p\u00e5 str\u00f6mf\u00f6rs\u00f6rjningens livsl\u00e4ngd \u00e4r dess driftstemperatur, s\u00e5 datablad ger nu viktig information f\u00f6r utrustningsdesigners, inklusive specifika maxtemperaturer f\u00f6r olika komponenter. Detta s\u00e4kerst\u00e4ller att str\u00f6mf\u00f6rs\u00f6rjningen inte drivs vid f\u00f6r h\u00f6ga temperaturer. Att kontrollera temperaturen p\u00e5 till exempel kondensatorer i databladet hj\u00e4lper till att indikera den f\u00f6rv\u00e4ntade livsl\u00e4ngden (se figur 2).<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"893\"  height=\"581\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA30AAAJFAQMAAABTGgyOAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFZJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgZACEAAHxfFzOAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-55570 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 893px) 100vw, 893px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png 893w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png?resize=300,195 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png?resize=768,500 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png?resize=230,150 230w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png?resize=260,170 260w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png?resize=380,247 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png?resize=550,358 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/2023-07-06-15_34_55-Hints-and-tips-on-the-use-of-cooling-fans-for-power-supplies-_-XP-Power.png?resize=800,520 800w\" ><figcaption class=\"wp-element-caption\">Figur 2: Den mekaniska ritningen visar komponenterna, och kurvorna, baserade p\u00e5 temperaturen p\u00e5 tv\u00e5 kondensatorer (C6 och C23), visar den ber\u00e4knade livsl\u00e4ngden f\u00f6r str\u00f6mf\u00f6rs\u00f6rjningen. K\u00e4lla: XP Power<\/figcaption><\/figure>\n\n\n\n<p>Efter att ha fastst\u00e4llt det n\u00f6dv\u00e4ndiga tryckfallet och luftfl\u00f6det, i samband med allm\u00e4n utrustningskylning, \u00e4r det viktigt att se till att fl\u00e4kten \u00e4r placerad p\u00e5 ett s\u00e4tt som till\u00e5ter luftfl\u00f6det att passera genom v\u00e4rmek\u00e4llans komponenter. S\u00e5 l\u00e4nge detta krav \u00e4r uppfyllt kan fl\u00e4kten placeras var som helst i systemet.<\/p>\n\n\n\n<p>N\u00e4r l\u00e4mplig fl\u00e4kt har valts, b\u00f6r en slutlig verifiering utf\u00f6ras genom att m\u00e4ta temperaturerna f\u00f6r dessa komponenter i den slutliga konfigurationen. Om det visar sig att komponenttemperaturen kan \u00f6verstiga det angivna v\u00e4rdet i databladet, \u00e4r det l\u00e4mpligt att omv\u00e4rdera luftfl\u00f6det och riktningen f\u00f6r att f\u00f6rhindra potentiella problem.<\/p>\n\n\n\n<h3 id=\"filter\" class=\"wp-block-heading\">Filter<\/h3>\n\n\n\n<p>En annan sak att t\u00e4nka p\u00e5 n\u00e4r du hanterar en str\u00f6mf\u00f6rs\u00f6rjning \u00e4r<strong> <\/strong>filter. Filter anv\u00e4nds ofta i utrustning med fl\u00e4ktar f\u00f6r att hindra damm och andra partiklar fr\u00e5n att komma in. Dessa m\u00e5ste beaktas eftersom de kommer att \u00f6ka luftfl\u00f6dets motst\u00e5nd och orsaka tryckf\u00f6rluster. En fl\u00e4kt med ett rimligt betyg i b\u00f6rjan av driften kan sluta vara fel alternativ efter anv\u00e4ndningstid eftersom, mer avg\u00f6rande, n\u00e4r filtret blir igensatt av smuts, kan tryckf\u00f6rlusten \u00f6ka dramatiskt. Dammfilter m\u00e5ste reng\u00f6ras eller bytas regelbundet av denna anledning.<\/p>\n\n\n\n<h2 id=\"minimera-ljudet\" class=\"wp-block-heading\">Minimera ljudet<\/h2>\n\n\n\n<p>Ofta g\u00f6r fl\u00e4ktar en utrustning h\u00f6rbart bullriga, vilket \u00e4r sv\u00e5rt i specifika applikationer, som medicinska (d\u00e4r <a href=\"https:\/\/www.distrelec.biz\/en\/switched-mode-power-supplies-gcs-xp-power\/pf\/3101261\">GCS-serien<\/a>anv\u00e4nds i industri- och IT-milj\u00f6er) eller i inspelningsstudior, d\u00e4r inget brus kan accepteras. Det \u00e4r vanligtvis att f\u00f6redra att minimera st\u00f6rningar som dessa, \u00e4ven f\u00f6r anv\u00e4ndning i en bullrig milj\u00f6. XP Power lyfter fram olika s\u00e4tt att \u00e5stadkomma detta:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fl\u00e4ktlager<\/strong> \u2013 F\u00f6r att minska fl\u00e4ktljudet, v\u00e4lj ett lager av h\u00f6gre kvalitet som kullager, som l\u00f6ser problem med slitage och vinglingar och fungerar tystare \u00e4n hylslager. Kullager har ocks\u00e5 l\u00e4ngre livsl\u00e4ngd. Vissa hylslagerfl\u00e4ktar med impregnerad olja kan dock ocks\u00e5 minska buller och f\u00f6rb\u00e4ttra prestanda.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bladhastighet<\/strong> \u2013 En st\u00f6rre fl\u00e4kt \u00e4r tystare \u00e4n en mindre fl\u00e4kt med samma luftvolym p\u00e5 grund av l\u00e4gre bladhastigheter. Att beakta buller fr\u00e5n fl\u00e4ktblad som passerar fasta delar \u00e4r viktigt; \u00e4ven en liten separation mellan fingerskyddet och fl\u00e4ktbladen kan minska bullret. En s\u00e4nkning av fl\u00e4ktens matningssp\u00e4nning minskar st\u00f6rningarna, eftersom fl\u00e4kthastigheten best\u00e4ms av den tillf\u00f6rda liksp\u00e4nningen, och l\u00e4gre hastigheter resulterar i mindre h\u00f6rbart ljud.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"vikten-av-kylflaktar-for-nataggregat\" class=\"wp-block-heading\">Vikten av kylfl\u00e4ktar f\u00f6r n\u00e4taggregat<\/h2>\n\n\n\n<p>Sammanfattningsvis \u00e4r kylfl\u00e4ktar viktiga f\u00f6r str\u00f6mf\u00f6rs\u00f6rjning eftersom de reglerar temperaturen, skyddar komponenter fr\u00e5n skador, f\u00f6rhindrar termisk avst\u00e4ngning och bidrar till str\u00f6mf\u00f6rs\u00f6rjningens totala livsl\u00e4ngd och tillf\u00f6rlitlighet.<\/p>\n\n\n\n<h2 id=\"rekommenderade-produkter\" class=\"wp-block-heading\">Rekommenderade produkter<\/h2>\n\n\n\n<p><strong>Switchat n\u00e4taggregat, XP Power<\/strong><\/p>\n\n\n\n<p>GCS-serien med switchat n\u00e4taggregat \u00e4r byggd f\u00f6r att f\u00f6rb\u00e4ttra effektiviteten samtidigt som den minimerar str\u00f6mf\u00f6rbrukningen utan belastning. Serien \u00e4r designad med den senaste milj\u00f6lagstiftningen, godk\u00e4nd f\u00f6r klass I och klass II. Den erbjuder enkelutg\u00e5ngsmodeller med effektivitet upp till 94&nbsp;%, enkels\u00e4kring f\u00f6r IEC 60601-1-kompatibilitet och enkelutg\u00e5ngsvarianter fr\u00e5n 12 V till 56 VDC.<\/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-55587 pk-lazyload\"  width=\"530\"  height=\"296\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 530px) 100vw, 530px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/XP-Power-GCS350PS12-30224484-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/XP-Power-GCS350PS12-30224484-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/XP-Power-GCS350PS12-30224484-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/XP-Power-GCS350PS12-30224484-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/XP-Power-GCS350PS12-30224484-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/XP-Power-GCS350PS12-30224484-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2023\/07\/XP-Power-GCS350PS12-30224484-01.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.distrelec.com\/global\/?search=30224487\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Handla nu<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p style=\"font-size:14px\"><em>K\u00e4llan till denna artikel d\u00f6k ursprungligen upp p\u00e5:<a href=\"https:\/\/www.xppower.com\/resources\/blog\/hints-tips-cooling-fans-for-power-supplies\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.xppower.com\/resources\/blog\/hints-tips-cooling-fans-for-power-supplies<\/a> och har \u00e5teranv\u00e4nts f\u00f6r KnowHow-sidan med v\u00e4nligt tillst\u00e5nd fr\u00e5n XP Power.<\/em><\/p>\n\n\n\n<p style=\"font-size:14px\"><em><a href=\"https:\/\/www.elfa.se\/sv\/manufacturer\/xp-power\/man_xpp\" target=\"_blank\" rel=\"noreferrer noopener\">XP Power<\/a> \u00e4r en ledande leverant\u00f6r av kraftl\u00f6sningar, inklusive AC-DC-str\u00f6mf\u00f6rs\u00f6rjning, DC-DC-omvandlare, h\u00f6gsp\u00e4nningsstr\u00f6mf\u00f6rs\u00f6rjning och RF-str\u00f6mf\u00f6rs\u00f6rjning.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"Kylfl\u00e4ktar \u00e4r viktiga f\u00f6r str\u00f6mf\u00f6rs\u00f6rjning som beh\u00f6ver forcerad kylning f\u00f6r att f\u00f6rhindra \u00f6verhettning. \u00d6verhettning av enheter kan minska&hellip;\n","protected":false},"author":24,"featured_media":55632,"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":[1024,241,1722],"tags":[],"coauthors":[],"class_list":{"0":"post-56272","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-automation-sv","8":"category-energi-stromforsorjning","9":"category-sm-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>Maximera livsl\u00e4ngden f\u00f6r n\u00e4taggregat med kylfl\u00e4ktar - KnowHow<\/title>\n<meta name=\"description\" content=\"Letar du efter r\u00e5d om kylfl\u00e4ktar till dina n\u00e4taggregat? 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