{"id":115,"date":"2025-09-08T17:23:02","date_gmt":"2025-09-08T15:23:02","guid":{"rendered":"https:\/\/drkrupp.se\/hifi\/?page_id=115"},"modified":"2025-10-05T20:19:52","modified_gmt":"2025-10-05T18:19:52","slug":"parallell-och-seriekoppling","status":"publish","type":"page","link":"https:\/\/drkrupp.se\/hifi\/grunderna\/parallell-och-seriekoppling\/","title":{"rendered":"Parallell- och seriekoppling"},"content":{"rendered":"\n<p class=\"has-small-font-size wp-block-paragraph\"><a href=\"https:\/\/drkrupp.se\/hifi\/\" data-type=\"page\" data-id=\"10\">Hem<\/a> &gt; <a href=\"https:\/\/drkrupp.se\/hifi\/grunderna\/\" data-type=\"page\" data-id=\"66\">Grunderna<\/a> &gt; Parallell- och seriekoppling<\/p>\n\n\n\n<p class=\"is-style-text-annotation has-accent-3-background-color has-background is-style-text-annotation--1 wp-block-paragraph\">Att koppla flera element p\u00e5 samma kanal p\u00e5 f\u00f6rst\u00e4rkaren kan verka knepigt. Ta en titt nedan s\u00e5 kanske det blir enklare.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Parallellkoppling<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"175\" height=\"156\" src=\"https:\/\/drkrupp.se\/hifi\/wp-content\/uploads\/2025\/09\/parallell_koppling.gif\" alt=\"Parallellkoppling av tv\u00e5 element\" class=\"wp-image-589\"\/><figcaption class=\"wp-element-caption\">Parallellkoppling<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ovan ser du tv\u00e5 baselement som \u00e4r parallellkopplade.<br>Men denna koppling halveras impedansen, dvs om b\u00e5da elementen har impedansen 8 ohm, blir impedansen efter denna koppling 4 ohm.<br>Om elementen inte har samma impedans, eller om du kopplar samman flera element, blir det lite knepigare att r\u00e4kna fram impedansen. Detta kan g\u00f6ras genom f\u00f6ljande formel:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1\/Rx = (1\/R1) + (1\/R2) + (1\/R3) + (1\/R4)<\/strong>\u2026 osv.<br>R1 och R2 osv \u00e4r impedansen f\u00f6r element nr1, nr2 osv.<br>Rx \u00e4r den ber\u00e4knade impedansen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ett exempel: Vi parallellkopplar tre element d\u00e4r alla har impedansen 8 ohm. Folmeln blir f\u00f6ljande:<br><strong>(1\/8) + (1\/8) + (1\/8) = 0,375<\/strong><br><strong>1\/0,375 = 2,66 ohm<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Om det endast finns tv\u00e5 element i kopplingen kan man anv\u00e4nda den enklare formeln:<br><strong>Rx = (R1 x R2) \/ (R1 + R2)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Den totala impedansen vid parallellkoppling \u00e4r alltid mindre \u00e4n den minsta impedansen i kopplingen.<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-15b2487b wp-block-group-is-layout-grid\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"225\" height=\"177\" src=\"https:\/\/drkrupp.se\/hifi\/wp-content\/uploads\/2025\/09\/parallellkoppling_4parallell.gif\" alt=\"Parallellkoppling av fyra element\" class=\"wp-image-590\"\/><figcaption class=\"wp-element-caption\">Parallellkoppling<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e4r ser du en koppling med fyra element. Enligt formlerna, om varje element har impedansen 8 ohm, f\u00e5r vi en total impedans p\u00e5 2 ohm.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Seriekoppling<\/h2>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-15b2487b wp-block-group-is-layout-grid\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"175\" height=\"156\" src=\"https:\/\/drkrupp.se\/hifi\/wp-content\/uploads\/2025\/09\/serie_koppling.gif\" alt=\"Seriekoppling av tv\u00e5 element\" class=\"wp-image-591\"\/><figcaption class=\"wp-element-caption\">Seriekoppling<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e4r ser du tv\u00e5 baselement som \u00e4r seriekopplade.<br>Men denna koppling dubbleras impedansen, dvs om b\u00e5da elementen har impedansen 8 ohm, blir impedansen efter denna koppling 16 ohm.<br>Formeln \u00e4r f\u00f6ljande:<br><strong>Rx = R1 + R2 + R3 + R4<\/strong> \u2026 osv.<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ett exempel: Vi seriekopplar tre element med impedansen 8 ohm. Formeln blir f\u00f6ljande:<br><strong>8 + 8 + 8 = 24 ohm<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vid seriekoppling \u00e4r impedansen lika med summan av impedansen hos varje element.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nedan &#8211; en koppling med fyra element, d\u00e4r alla \u00e4r seriekopplade. Enligt formeln, om varje element har impedansen 8 ohm, f\u00e5r vi en totalimpedans p\u00e5 32 ohm.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"343\" height=\"175\" src=\"https:\/\/drkrupp.se\/hifi\/wp-content\/uploads\/2025\/09\/seriekoppling_4serie.gif\" alt=\"Seriekoppling av fyra element\" class=\"wp-image-630\"\/><figcaption class=\"wp-element-caption\">Seriekoppling<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Kombination av serie- och parallellkoppling<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Det \u00e4r oftast inte s\u00e4rskilt l\u00e4mpligt att koppla samman m\u00e5nga element, varken i serie eller parallellt, pga total-impedansen. D\u00e5 \u00e4r det b\u00e4ttre att kombinera kopplingarna. Nedan ser du att de fyra elementen \u00e4r parallellkopplade tv\u00e5 och tv\u00e5, och de b\u00e5da parallellkopplade paren kopplas sedan i serie. Om alla elementen har impedansen 8 ohm, blir den totala impedansen 8 ohm.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"268\" height=\"184\" src=\"https:\/\/drkrupp.se\/hifi\/wp-content\/uploads\/2025\/09\/serie_parallellkoppling_4_22.gif\" alt=\"Parallell- och seriekoppling av fyra element\" class=\"wp-image-592\"\/><figcaption class=\"wp-element-caption\">Parallell- och seriekoppling<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Generellt om serie- och parallellkoppling<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Det g\u00e5r allts\u00e5 att koppla samman flera element, och \u00e4nd\u00e5 bibeh\u00e5lla en f\u00f6r f\u00f6rst\u00e4rkaren lagom impedans. Effekten fr\u00e5n f\u00f6rst\u00e4rkaren f\u00f6rdelas lika \u00f6ver de sammankopplade elementen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Koppla filterkomponenter<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Samma formler som anv\u00e4nds ovan, kan anv\u00e4ndas \u00e4ven f\u00f6r att koppla samman filterkomponenter s\u00e5som motst\u00e5nd, spolar och kondensatorer. Samma formler kan anv\u00e4ndas som ovan, med en viktig skillnad.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Koppla spolar<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Anv\u00e4nd formlerna ovan. Om du parallellkopplar tv\u00e5 1.0 mH spolar, f\u00e5r du 0.5 mH. Om du seriekopplar f\u00e5r du 2.0 mH.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Koppla motst\u00e5nd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Anv\u00e4nd formlerna ovan. Om du parallellkopplar tv\u00e5 1.0 ohms motst\u00e5nd, f\u00e5r du 0.5 ohm. Om du seriekopplar f\u00e5r du 2.0 ohm.<\/p>\n\n\n\n<div class=\"wp-block-group is-content-justification-space-between is-nowrap is-layout-flex wp-container-core-group-is-layout-788841da wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"79\" height=\"159\" src=\"https:\/\/drkrupp.se\/hifi\/wp-content\/uploads\/2025\/09\/parallell_motstand.gif\" alt=\"Parallellkoppling av tv\u00e5 motst\u00e5nd\" class=\"wp-image-593\"\/><figcaption class=\"wp-element-caption\">En parallellkoppling av tv\u00e5 motst\u00e5nd<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"38\" height=\"148\" src=\"https:\/\/drkrupp.se\/hifi\/wp-content\/uploads\/2025\/09\/serie_motstand.gif\" alt=\"Seriekoppling av tv\u00e5 motst\u00e5nd\" class=\"wp-image-594\"\/><figcaption class=\"wp-element-caption\">En seriekoppling av tv\u00e5 motst\u00e5nd<\/figcaption><\/figure>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Koppla kondensatorer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Anv\u00e4nd formlerna ovan &#8211; <strong>omv\u00e4nt!<\/strong> Om du parallellkopplar tv\u00e5 1.0 uF kondensatorer, f\u00e5r du 2.0 uF. Om du seriekopplar f\u00e5r du 0.5 uF. <strong>Resultatet \u00e4r allts\u00e5 omv\u00e4nt f\u00f6r kondensatorer!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hem &gt; Grunderna &gt; Parallell- och seriekoppling Att koppla flera element p\u00e5 samma kanal p\u00e5 f\u00f6rst\u00e4rkaren kan verka knepigt. Ta en titt nedan s\u00e5 kanske det blir enklare. Parallellkoppling Ovan ser du tv\u00e5 baselement som \u00e4r parallellkopplade.Men denna koppling halveras impedansen, dvs om b\u00e5da elementen har impedansen 8 ohm, blir impedansen efter denna koppling 4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":66,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"slim_seo":{"title":"Parallell- och seriekoppling - Hur Hifi - H&auml;r l&auml;r du dig att bygga dina egna h&ouml;gtalare, dina egna delningsfilter och l&aring;dkonstruktioner","description":"Hem &gt; Grunderna &gt; Parallell- och seriekoppling Att koppla flera element p\u00e5 samma kanal p\u00e5 f\u00f6rst\u00e4rkaren kan verka knepigt. Ta en titt nedan s\u00e5 kanske det b"},"footnotes":""},"class_list":["post-115","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/comments?post=115"}],"version-history":[{"count":9,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/115\/revisions"}],"predecessor-version":[{"id":854,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/115\/revisions\/854"}],"up":[{"embeddable":true,"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/pages\/66"}],"wp:attachment":[{"href":"https:\/\/drkrupp.se\/hifi\/wp-json\/wp\/v2\/media?parent=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}