{"id":78562,"date":"2024-04-19T14:00:12","date_gmt":"2024-04-19T12:00:12","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/toroidal-transformer-what-is-it-and-how-does-it-work\/"},"modified":"2026-04-08T10:58:51","modified_gmt":"2026-04-08T08:58:51","slug":"toroidal-transformer-what-is-it-and-how-does-it-work","status":"publish","type":"post","link":"https:\/\/botland.store\/blog\/toroidal-transformer-what-is-it-and-how-does-it-work\/","title":{"rendered":"Toroidal transformer &#8211; what is it and how does it work?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading time:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"78562\" class=\"elementor elementor-78562 elementor-73393\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-518f644 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"518f644\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-41866d0f\" data-id=\"41866d0f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9d572cf elementor-widget elementor-widget-text-editor\" data-id=\"9d572cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Even when untrainedly disassembling or looking at electronic equipment, the distinctive metal ring wrapped with copper wires catches the eye. This tasty looking component is <a href=\"https:\/\/botland.com.pl\/584-transformatory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><br \/>\n  <strong>toroidal transformer<\/strong><br \/>\n<\/a>, which, along with the E- and I-shaped versions, is a fairly common component of electrical devices. Today a little about what functions it performs in electrical systems and its advantages.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0f19e59 elementor-widget elementor-widget-heading\" data-id=\"0f19e59\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What causes the transformer?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a5e2dca elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a5e2dca\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-9327921\" data-id=\"9327921\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4491187 elementor-widget elementor-widget-text-editor\" data-id=\"4491187\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>This is a much better asked question than &#8220;how does it work&#8221;. The key role of <a href=\"https:\/\/botland.com.pl\/584-transformatory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">\n  <strong>of transformers<\/strong>\n<\/a> in electronic systems is <strong>voltage adjustment<\/strong>. The mains voltage of a home outlet of 230V is too high for devices such as TVs, audio players and computers.<\/p>\n<p>The transformer is responsible for <strong>lowering it<\/strong> and ensuring that <strong>it<\/strong> can operate safely &#8211; otherwise, the list of problems opens with unstable operation, ending with burned-out components and even the risk of fire. A transformer can also<strong> increase the voltage<\/strong> &#8211; an example of an appliance with higher requirements is a <strong>microwave oven<\/strong>, as it turns out that heating food requires as much as 2000V.<\/p><p>The change in voltage is made possible by taking advantage of the phenomenon&nbsp;<span style=\"font-weight: bolder;\">magnetic induction<\/span>. A transformer usually has a pair of windings &#8211;&nbsp;<span style=\"font-weight: bolder;\">primary and secondary<\/span>.&nbsp;<br><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-f23edd6\" data-id=\"f23edd6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fc268fb elementor-widget elementor-widget-image\" data-id=\"fc268fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/11\/07878_1_kwadrat.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"07878_1_kwadrat\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Nzg1MzEsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLnN0b3JlXC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8xMVwvMDc4NzhfMV9rd2FkcmF0LmpwZyJ9\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/botland.store\/blog\/wp-content\/uploads\/2023\/11\/07878_1_kwadrat-1024x1024.jpg\" class=\"attachment-large size-large wp-image-78531\" alt=\"\" srcset=\"https:\/\/botland.store\/blog\/wp-content\/uploads\/2023\/11\/07878_1_kwadrat-1024x1024.jpg 1024w, https:\/\/botland.store\/blog\/wp-content\/uploads\/2023\/11\/07878_1_kwadrat-300x300.jpg 300w, https:\/\/botland.store\/blog\/wp-content\/uploads\/2023\/11\/07878_1_kwadrat-768x768.jpg 768w, https:\/\/botland.store\/blog\/wp-content\/uploads\/2023\/11\/07878_1_kwadrat.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Indel TST20\/006 20W 230V\/2x14V toroidal transformer.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd383f6 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"fd383f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.com.pl\/transformatory\/7878-transformator-toroidalny-indel-tst20006-20w-230v2x14v-5904422310783.html\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">CHECK WITH BOTLAND<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5627a2 elementor-widget elementor-widget-spacer\" data-id=\"a5627a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac1d2f9 elementor-widget elementor-widget-text-editor\" data-id=\"ac1d2f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When AC current flows through the primary winding, an alternating magnetic field is created, which induces a voltage in the secondary winding. If the number of turns on the secondary coil is greater than the number of turns on the primary coil, the output voltage will be higher. Similarly, if the number of turns on the primary coil is higher than the number of turns on the secondary coil, the output voltage will then be lower.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28376cb elementor-widget elementor-widget-heading\" data-id=\"28376cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Toroidal transformer - construction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a422146 elementor-widget elementor-widget-text-editor\" data-id=\"a422146\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>First <a href=\"https:\/\/botland.com.pl\/584-transformatory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>toroidal transformers<\/strong> <\/a>appeared in the late 19th century. At the time, there was no efficient method of winding the winding onto the core, so the work had to be done by hand. In essence, the production costs of such transformers outweighed the advantages of using them. It was only with the development of technology in the mid-20th century that the process of winding copper wire onto a core could be mechanized, which translated into lower production costs. Among the components that make up a toroidal transformer, we can distinguish:<\/p>\n<ul style=\"font-size: 16px; background-color: #ffffff;\">\n<li style=\"font-size: 16px;\">A torus-shaped core (a rotating surface associated with a tire) around which windings are wound. It is made of a material with ferromagnetic properties, such as iron or a magnetic alloy. The magnetic properties of the core play a key role in voltage transformation, as they affect the transformer&#8217;s ability to concentrate and transfer magnetic flux.<\/li>\n<li style=\"font-size: 16px;\">Primary winding connected to the output voltage source. The number of windings in the primary coil and the voltage applied to it determine the primary voltage and winding ratio of the transformer.<\/li>\n<li style=\"font-size: 16px;\">The secondary winding, which is isolated from the primary. It is connected to the output of the transformer. The number of turns in the secondary coil relative to the primary coil determines the voltage transformation factor.<\/li>\n<li style=\"font-size: 16px;\">Insulating material used to separate primary and secondary coils. Prevents electrical contact and short circuits between coils. In addition, insulating materials are applied to the cable to protect it from discharges and other hazards.<\/li>\n<li style=\"font-size: 16px;\">Feeder wires &#8211; these are connected to the ends of the primary and secondary windings. They serve as the input and output terminals of the transformer. The wires are usually routed outside the transformer housing for connection to an external circuit.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-811676c elementor-widget elementor-widget-heading\" data-id=\"811676c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Advantages of a toroidal transformer<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0bd1fbd elementor-widget elementor-widget-text-editor\" data-id=\"0bd1fbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Using <a href=\"https:\/\/botland.com.pl\/584-transformatory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><br \/>\n  <strong>toroidal transformers<\/strong><br \/>\n<\/a> in electronic equipment brings many benefits. One of their main advantages is <strong>high efficiency<\/strong> &#8211; they simply waste less energy in the form of heat during the voltage transformation process, and this translates into improved overall thermal efficiency. The toroidal shape allows for a more <strong>practical and handy design,<\/strong> making toroidal transformers <strong>smaller and lighter<\/strong> compared to other types of transformers. This is followed by a familiar argument from assembly electronics &#8211; size is especially important in space-constrained circuits. In addition, <strong>the closed core design minimizes magnetic cavities,<\/strong> which reduces electromagnetic interference and radiation, thus protecting sensitive circuit components. Reduced magnetic leakage and minimal core vibration translate into <strong>lower audible noise<\/strong>, which will find ideal use in audio equipment.<\/p>\n<p><strong>Toroidal transformers<\/strong> are characterized by exceptional <strong>durability<\/strong>. The parts they consist of, such as copper windings, wear out more slowly than other transformers. In addition, the toroidal core design is <strong>more resistant to saturation<\/strong>, allowing them to withstand sudden increases in load caused by short overloads. The insulation used between the primary and secondary windings increases the safety of the entire system, making this transformer ideal for devices sensitive to voltage spikes.<\/p>\n<p>Electronics amateurs who are engaged in building their own devices rely on toroidal transformers for their <strong>ease of assembly<\/strong>, which requires simple workshop tools and brackets. To conclude: <strong>flexibility<\/strong>. Toroidal transformers operate over a wide range of frequencies, and this means they can be tailored to meet specific voltage, current and impedance requirements. Toroidal transformers are worth using wherever low noise and a low magnetic profile are sought &#8211; not only in fairly obvious audio applications, but even in industrial electronics power systems or measurement equipment.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Popular for their efficiency, low noise levels and power losses, toroidal transformers have been successfully paving the way for electronics developers for years.<\/p>\n","protected":false},"author":21,"featured_media":78539,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-78562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Toroidal transformer - what is it and how does it work? 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