{"id":5871,"date":"2026-06-03T21:36:00","date_gmt":"2026-06-03T19:36:00","guid":{"rendered":"https:\/\/www.sgbczechtrafo.cz\/?p=5871"},"modified":"2026-06-03T21:57:12","modified_gmt":"2026-06-03T19:57:12","slug":"pevne-zaklady-pro-spolehlive-transformatory","status":"publish","type":"post","link":"https:\/\/www.sgbczechtrafo.cz\/de\/pevne-zaklady-pro-spolehlive-transformatory\/","title":{"rendered":"Solide Grundlagen f\u00fcr zuverl\u00e4ssige Transformatoren"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1310.4px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p><span style=\"letter-spacing: 0.128px; background-color: rgba(0, 0, 0, 0);\">Elektrick\u00fd obvod, proud, nap\u011bt\u00ed nebo odpor \u2013 pojmy, kter\u00e9 si v\u011bt\u0161ina z n\u00e1s pamatuje ze \u0161koln\u00edch lavic. V SGB Czech Trafo v\u011b\u0159\u00edme, \u017ee pr\u00e1v\u011b na t\u011bchto z\u00e1kladech stoj\u00ed odborn\u00e9 znalosti, bezpe\u010dn\u00e1 pr\u00e1ce i kvalitn\u00ed transform\u00e1tory. Proto se k nim vrac\u00edme i p\u0159i \u0161kolen\u00ed nov\u00fdch koleg\u016f.<\/span><\/p>\n<p>Ve \u0161kole jsme se to u\u010dili v\u0161ichni. Proud, nap\u011bt\u00ed, odpor, elektrick\u00fd obvod. Pojmy, kter\u00e9 se objevuj\u00ed v u\u010debnic\u00edch fyziky u\u017e na z\u00e1kladn\u00ed \u0161kole a kter\u00e9 si v\u011bt\u0161ina z n\u00e1s spojuje s prvn\u00edmi hodinami elektrotechniky.<\/p>\n<p>Jen\u017ee pr\u00e1v\u011b na pevn\u00fdch z\u00e1kladech stoj\u00ed ka\u017ed\u00e1 odbornost.<\/p>\n<p>Proto ka\u017ed\u00fd nov\u00fd kolega, kter\u00fd k n\u00e1m nastoup\u00ed mimo obor elektrotechniky, absolvuje \u00favodn\u00ed technick\u00e9 \u0161kolen\u00ed. Nejde o slo\u017eit\u00e9 v\u00fdpo\u010dty ani hlubok\u00e9 konstruk\u010dn\u00ed detaily transform\u00e1tor\u016f. Za\u010d\u00edn\u00e1me od \u00fapln\u00fdch z\u00e1klad\u016f \u2013 od princip\u016f, bez kter\u00fdch by bylo obt\u00ed\u017en\u00e9 porozum\u011bt tomu, co v na\u0161\u00ed spole\u010dnosti ka\u017ed\u00fd den vyr\u00e1b\u00edme.<\/p>\n<p><strong>Elektrick\u00fd obvod bez slo\u017eit\u00fdch rovnic<\/strong><\/p>\n<p>Jedn\u00edm z nejjednodu\u0161\u0161\u00edch zp\u016fsob\u016f, jak si p\u0159edstavit elektrick\u00fd obvod, je p\u0159irovn\u00e1n\u00ed k proud\u00edc\u00ed vod\u011b.<\/p>\n<p><strong>Proud: co vlastn\u011b te\u010de vodi\u010dem?<\/strong><\/p>\n<p>Elektrick\u00fd proud ozna\u010dujeme p\u00edsmenem <strong>I<\/strong> a jeho jednotkou je <strong>amp\u00e9r (A)<\/strong>. Zjednodu\u0161en\u011b \u0159e\u010deno jde o pohyb elektron\u016f ve vodi\u010di. Podobn\u011b jako voda proud\u00ed potrub\u00edm, prot\u00e9kaj\u00ed elektrony vodi\u010dem.<\/p>\n<p>Rozli\u0161ujeme dva z\u00e1kladn\u00ed druhy proudu:<\/p>\n<ul>\n<li><strong>stejnosm\u011brn\u00fd proud (DC)<\/strong>, kter\u00fd te\u010de jedn\u00edm sm\u011brem,<\/li>\n<li><strong>st\u0159\u00eddav\u00fd proud (AC)<\/strong>, kter\u00fd pravideln\u011b m\u011bn\u00ed sm\u011br a pou\u017e\u00edv\u00e1 se nap\u0159\u00edklad v b\u011b\u017en\u00e9 elektrick\u00e9 s\u00edti.<\/li>\n<\/ul>\n<p>V na\u0161em vodn\u00edm p\u0159irovn\u00e1n\u00ed p\u0159edstavuje proud samotn\u00fd tok vody nebo mno\u017estv\u00ed vody prot\u00e9kaj\u00edc\u00ed vodop\u00e1dem.<\/p>\n<p>A jedna zaj\u00edmavost ze \u0161kolen\u00ed: p\u0159esto\u017ee na v\u011bt\u0161in\u011b v\u00fdstra\u017en\u00fdch tabulek stoj\u00ed <em>\u201eVysok\u00e9 nap\u011bt\u00ed \u2013 \u017eivotu nebezpe\u010dno\u201c<\/em>, lidsk\u00fd organismus ve skute\u010dnosti po\u0161kozuje p\u0159edev\u0161\u00edm <strong>elektrick\u00fd proud<\/strong>, kter\u00fd t\u011blem prot\u00e9k\u00e1.<\/p>\n<p><strong>Nap\u011bt\u00ed: s\u00edla, kter\u00e1 proud poh\u00e1n\u00ed<\/strong><\/p>\n<p>Elektrick\u00e9 nap\u011bt\u00ed ozna\u010dujeme p\u00edsmenem <strong>U<\/strong> a m\u011b\u0159\u00ed se ve <strong>voltech (V)<\/strong>. K jeho m\u011b\u0159en\u00ed slou\u017e\u00ed voltmetr.<\/p>\n<p>Pokud si p\u0159edstav\u00edme elektrick\u00fd obvod jako potrub\u00ed s vodou, pak nap\u011bt\u00ed odpov\u00edd\u00e1 tlaku, kter\u00fd vodu \u017eene vp\u0159ed. U vodop\u00e1du bychom jej mohli p\u0159irovnat k jeho v\u00fd\u0161ce \u2013 \u010d\u00edm vy\u0161\u0161\u00ed vodop\u00e1d, t\u00edm v\u011bt\u0161\u00ed energie proud\u00edc\u00ed vody.<\/p>\n<p><strong>Odpor: p\u0159ek\u00e1\u017eka v cest\u011b proudu<\/strong><\/p>\n<p>Elektrick\u00fd odpor ozna\u010dujeme p\u00edsmenem <strong>R<\/strong> a jeho jednotkou je <strong>ohm (\u03a9)<\/strong>.<\/p>\n<p>Odpor si m\u016f\u017eeme p\u0159edstavit jako z\u00fa\u017een\u00ed potrub\u00ed, kter\u00e9 br\u00e1n\u00ed pr\u016ftoku vody. Ka\u017ed\u00fd materi\u00e1l klade pr\u016fchodu elektrick\u00e9ho proudu jin\u00fd odpor.<\/p>\n<p>Nap\u0159\u00edklad m\u011b\u010f m\u00e1 ni\u017e\u0161\u00ed elektrick\u00fd odpor ne\u017e hlin\u00edk, a z pohledu samotn\u00e9 vodivosti je tedy efektivn\u011bj\u0161\u00edm vodi\u010dem. U transform\u00e1tor\u016f v\u0161ak nerozhoduje pouze elektrick\u00e1 vodivost, ale celkov\u00e1 konstrukce za\u0159\u00edzen\u00ed a vz\u00e1jemn\u00e1 spolupr\u00e1ce v\u0161ech pou\u017eit\u00fdch materi\u00e1l\u016f.<\/p>\n<p><strong>Elektrick\u00fd obvod: z\u00e1klad v\u0161eho<\/strong><\/p>\n<p>Ka\u017ed\u00fd elektrick\u00fd obvod mus\u00ed obsahovat t\u0159i z\u00e1kladn\u00ed \u010d\u00e1sti:<\/p>\n<ul>\n<li>zdroj energie,<\/li>\n<li>vodi\u010de,<\/li>\n<li>spot\u0159ebi\u010d.<\/li>\n<\/ul>\n<p>Teprve jejich propojen\u00edm vznik\u00e1 funk\u010dn\u00ed celek. Obvod m\u016f\u017ee obsahovat i dal\u0161\u00ed prvky, nap\u0159\u00edklad sp\u00edna\u010de, jisti\u010de nebo pojistky, kter\u00e9 umo\u017e\u0148uj\u00ed jeho ovl\u00e1d\u00e1n\u00ed a ochranu.<\/p>\n<p>Zaj\u00edmav\u00e9 je tak\u00e9 jednoduch\u00e9 vysv\u011btlen\u00ed transform\u00e1toru, kter\u00e9 b\u011bhem \u0161kolen\u00ed \u010dasto zazn\u00edv\u00e1: <strong>transform\u00e1tor je v podstat\u011b vodi\u010d navinut\u00fd na magnetick\u00e9m j\u00e1d\u0159e<\/strong>. Za touto zjednodu\u0161enou definic\u00ed se samoz\u0159ejm\u011b skr\u00fdv\u00e1 cel\u00e1 \u0159ada fyzik\u00e1ln\u00edch z\u00e1kon\u016f, ale jako prvn\u00ed p\u0159edstava funguje p\u0159ekvapiv\u011b dob\u0159e.<\/p>\n<p>Nov\u00e9 kolegy \u010dasto p\u0159ekvap\u00ed tak\u00e9 princip fungov\u00e1n\u00ed elektrick\u00e9 s\u00edt\u011b. Spot\u0159ebi\u010d si ze z\u00e1suvky nevezme v\u0161echen dostupn\u00fd proud, ale pouze tolik, kolik pot\u0159ebuje ke sv\u00e9 \u010dinnosti. Omezen\u00edm b\u00fdv\u00e1 p\u0159edev\u0161\u00edm vodi\u010d, kter\u00fd nemus\u00ed b\u00fdt schopen p\u0159en\u00e9st neomezen\u011b velk\u00fd proud. Pr\u00e1v\u011b proto pou\u017e\u00edv\u00e1me ochrann\u00e9 prvky, nap\u0159\u00edklad pojistky, kter\u00e9 p\u0159i p\u0159ekro\u010den\u00ed bezpe\u010dn\u00fdch hodnot obvod odpoj\u00ed.<\/p>\n<p><strong>Pro\u010d n\u00e1s zaj\u00edm\u00e1 odpor materi\u00e1l\u016f?<\/strong><\/p>\n<p>Jedn\u00edm z t\u00e9mat, kter\u00e9ho se b\u011bhem \u0161kolen\u00ed dot\u00fdk\u00e1me, jsou tak\u00e9 materi\u00e1ly pou\u017e\u00edvan\u00e9 pro v\u00fdrobu vinut\u00ed transform\u00e1tor\u016f.<\/p>\n<p>Mnoho lid\u00ed si automaticky spoj\u00ed elektrotechniku s m\u011bd\u00ed. Ta m\u00e1 skute\u010dn\u011b ni\u017e\u0161\u00ed elektrick\u00fd odpor ne\u017e hlin\u00edk, a je tedy z hlediska vodivosti efektivn\u011bj\u0161\u00edm vodi\u010dem. V modern\u00edch such\u00fdch transform\u00e1torech v\u0161ak rozhoduje mnohem v\u00edce parametr\u016f ne\u017e pouze samotn\u00e1 vodivost.<\/p>\n<p>V SGB Czech Trafo pou\u017e\u00edv\u00e1me hlin\u00edkov\u00e1 vinut\u00ed, kter\u00e1 nejsou kompromisem, ale v\u00fdsledkem dlouhodob\u011b ov\u011b\u0159en\u00e9 technick\u00e9 koncepce. V kombinaci s epoxidovou prysky\u0159ic\u00ed pln\u011bnou silikou vykazuje hlin\u00edk velmi dobrou materi\u00e1lovou kompatibilitu a umo\u017e\u0148uje dos\u00e1hnout stejn\u00fdch elektrick\u00fdch parametr\u016f p\u0159i optimalizaci cel\u00e9 konstrukce transform\u00e1toru.<\/p>\n<p>V\u00edce o vyu\u017eit\u00ed hlin\u00edku v such\u00fdch transform\u00e1torech najdete na str\u00e1nce <a href=\"https:\/\/www.sgbczechtrafo.cz\/hlinik-v-suchych-transformatorech\/\">Hlin\u00edk v such\u00fdch transform\u00e1torech<\/a>.<\/p>\n<p><strong>V\u011bd\u011bli jste, \u017ee\u2026?<\/strong><\/p>\n<p>Sou\u010d\u00e1st\u00ed \u0161kolen\u00ed jsou i zaj\u00edmavosti, kter\u00e9 pom\u00e1haj\u00ed l\u00e9pe pochopit elektrick\u00e9 jevy:<\/p>\n<p>\u26a1 Proud o velikosti p\u0159ibli\u017en\u011b <strong>16 a\u017e 30 miliamp\u00e9r\u016f<\/strong> prot\u00e9kaj\u00edc\u00ed lidsk\u00fdm t\u011blem m\u016f\u017ee b\u00fdt smrteln\u011b nebezpe\u010dn\u00fd.<\/p>\n<p>\u26a1 Aby p\u0159esko\u010dila elektrick\u00e1 jiskra na vzd\u00e1lenost 1 mm, je pot\u0159eba p\u0159ibli\u017en\u011b <strong>2 000 V nap\u011bt\u00ed<\/strong>.<\/p>\n<p>\u26a1 P\u0159i svl\u00e9k\u00e1n\u00ed svetru m\u016f\u017ee vzniknout elektrostatick\u00e9 nap\u011bt\u00ed a\u017e <strong>30 000 V<\/strong>.<\/p>\n<p>\u26a1 Klasick\u00fd elektrom\u011br funguje na jednoduch\u00e9m principu \u2013 \u010d\u00edm v\u011bt\u0161\u00ed proud j\u00edm prot\u00e9k\u00e1, t\u00edm rychleji se jeho m\u011b\u0159ic\u00ed mechanismus ot\u00e1\u010d\u00ed.<\/p>\n<p>\u26a1Standardn\u00ed distribu\u010dn\u00ed transform\u00e1tory nejsou za\u0159\u00edzen\u00ed ur\u010den\u00e1 k \u010dast\u00e9mu sp\u00edn\u00e1n\u00ed. V na\u0161em provozu se nap\u0159\u00edklad po\u010d\u00edt\u00e1 s maxim\u00e1ln\u011b <strong>24 zapnut\u00edmi transform\u00e1toru za rok<\/strong>, aby byl zaji\u0161t\u011bn jeho dlouhodob\u011b spolehliv\u00fd provoz.<\/p>\n<p>\u26a1 Pokud maj\u00ed transform\u00e1tory pracovat spole\u010dn\u011b v jedn\u00e9 soustav\u011b, mus\u00ed spl\u0148ovat \u0159adu technick\u00fdch podm\u00ednek. Jednou z nich je i <strong>shodn\u00e1 skupina zapojen\u00ed<\/strong>, kter\u00e1 zaji\u0161\u0165uje spr\u00e1vnou spolupr\u00e1ci jednotliv\u00fdch transform\u00e1tor\u016f.<\/p>\n<p>Pr\u00e1v\u011b podobn\u00e9 \u201efun facts\u201c \u010dasto vyvol\u00e1vaj\u00ed nejv\u011bt\u0161\u00ed diskusi a pom\u00e1haj\u00ed nov\u00fdm koleg\u016fm propojit teorii s ka\u017edodenn\u00ed realitou.<\/p>\n<p><strong>Ka\u017ed\u00fd expert n\u011bkdy za\u010d\u00ednal<\/strong><\/p>\n<p>V prost\u0159ed\u00ed v\u00fdrobce transform\u00e1tor\u016f se denn\u011b pracuje s pojmy jako v\u00fdkon, nap\u011bt\u00ed, proud, ztr\u00e1ty, izolace nebo zkratov\u00e1 odolnost. P\u0159esto v\u011b\u0159\u00edme, \u017ee nen\u00ed ostuda vr\u00e1tit se na za\u010d\u00e1tek.<\/p>\n<p>Naopak.<\/p>\n<p>Pravideln\u00e9 p\u0159ipom\u00edn\u00e1n\u00ed z\u00e1kladn\u00edch princip\u016f n\u00e1m pom\u00e1h\u00e1 l\u00e9pe ch\u00e1pat souvislosti, bezpe\u010dn\u011bji pracovat a efektivn\u011bji spolupracovat nap\u0159\u00ed\u010d odd\u011blen\u00edmi. A\u0165 u\u017e jde o v\u00fdrobu, obchod, marketing nebo administrativu, spole\u010dn\u00fd technick\u00fd z\u00e1klad usnad\u0148uje komunikaci a umo\u017e\u0148uje l\u00e9pe porozum\u011bt produkt\u016fm, kter\u00e9 dod\u00e1v\u00e1me z\u00e1kazn\u00edk\u016fm po cel\u00e9m sv\u011bt\u011b.<\/p>\n<p>Proto\u017ee plat\u00ed jednoduch\u00e9 pravidlo: <strong>na pevn\u00fdch z\u00e1kladech se stav\u00ed nejl\u00e9pe. A opakov\u00e1n\u00ed je skute\u010dn\u011b matka moudrosti.<\/strong><\/p>\n<\/div><div class=\"awb-gallery-wrapper awb-gallery-wrapper-1 button-span-no\" style=\"--more-btn-alignment:center;\"><div style=\"margin:-5px;--awb-bordersize:0px;--awb-columns-medium:100%;--awb-columns-small:100%;\" class=\"fusion-gallery fusion-gallery-container fusion-grid-2 fusion-columns-total-2 fusion-gallery-layout-masonry fusion-gallery-1\"><div class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-2 hover-type-none fusion-grid-sizer\"><\/div><div style=\"padding:5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-2 hover-type-none fusion-element-grid\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><div style=\"padding-top:calc((100% + 10px) * 0.8 - 5px);background-position:;\" class=\"fusion-masonry-element-container lazyload\" data-bg=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03.jpg\"><img decoding=\"async\" src=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03.jpg\" data-orig-src=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03.jpg\" width=\"1600\" height=\"1200\" alt=\"\" title=\"elektricky_obvod03\" aria-label=\"elektricky_obvod03\" class=\"lazyload img-responsive wp-image-5874\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271600%27%20height%3D%271200%27%20viewBox%3D%270%200%201600%201200%27%3E%3Crect%20width%3D%271600%27%20height%3D%271200%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03-200x150.jpg 200w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03-400x300.jpg 400w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03-600x450.jpg 600w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03-800x600.jpg 800w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03-1200x900.jpg 1200w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod03.jpg 1600w\" data-sizes=\"auto\" data-orig-sizes=\"(min-width: 2200px) 100vw, (min-width: 712px) 628px, (min-width: 640px) 712px, \" \/><\/div><\/a><\/div><\/div><div style=\"padding:5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-2 hover-type-none fusion-element-grid\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><div style=\"padding-top:calc((100% + 10px) * 0.8 - 5px);background-position:;\" class=\"fusion-masonry-element-container lazyload\" data-bg=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-scaled.jpg\"><img decoding=\"async\" src=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-scaled.jpg\" data-orig-src=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-scaled.jpg\" width=\"1920\" height=\"2560\" alt=\"\" title=\"elektricky_obvod01\" aria-label=\"elektricky_obvod01\" class=\"lazyload img-responsive wp-image-5872\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271920%27%20height%3D%272560%27%20viewBox%3D%270%200%201920%202560%27%3E%3Crect%20width%3D%271920%27%20height%3D%272560%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-200x267.jpg 200w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-400x533.jpg 400w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-600x800.jpg 600w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-800x1067.jpg 800w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-1200x1600.jpg 1200w, https:\/\/www.sgbczechtrafo.cz\/wp-content\/uploads\/2026\/06\/elektricky_obvod01-scaled.jpg 1920w\" data-sizes=\"auto\" data-orig-sizes=\"(min-width: 2200px) 100vw, (min-width: 712px) 628px, (min-width: 640px) 712px, \" \/><\/div><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":5873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-5871","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novinky"],"_links":{"self":[{"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/posts\/5871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/comments?post=5871"}],"version-history":[{"count":3,"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/posts\/5871\/revisions"}],"predecessor-version":[{"id":5877,"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/posts\/5871\/revisions\/5877"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/media\/5873"}],"wp:attachment":[{"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/media?parent=5871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/categories?post=5871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sgbczechtrafo.cz\/de\/wp-json\/wp\/v2\/tags?post=5871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}