{"id":1632,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1632"},"modified":"2026-09-16T04:52:32","modified_gmt":"2026-09-16T04:52:32","slug":"ljzn12-10-current-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/sk\/product\/ljzn12-10-current-transformer\/","title":{"rendered":"LJZN1(2)-10 Pr\u00fadov\u00fd transform\u00e1tor"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Preh\u013ead produktu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/yieou.com\/sk\/products\/\">Pr\u00fadov\u00fd transform\u00e1tor LJZN1(2)-10<\/a> je SGCC \u0161tandardn\u00fd, plne uzavret\u00fd, st\u013apikov\u00fd pr\u00fadov\u00fd transform\u00e1tor z liatej \u017eivice navrhnut\u00fd pre vn\u00fatorn\u00e9 striedav\u00e9 silov\u00e9 syst\u00e9my 10 kV s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 kV.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vyvinut\u00fd a vyroben\u00fd v s\u00falade s technick\u00fdmi \u0161pecifik\u00e1ciami spolo\u010dnosti State Grid Corporation of China (SGCC), transform\u00e1tor vyu\u017e\u00edva proces<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Produkt sp\u013a\u0148a po\u017eiadavky SGCC na presnos\u0165 merania, ochrann\u00fd v\u00fdkon, kr\u00e1tkodob\u00fd tepeln\u00fd pr\u00fad, odolnos\u0165 vo\u010di dynamick\u00e9mu pr\u00fadu a \u0161tandardizovan\u00e9 mont\u00e1\u017ene rozmery. \u0160iroko sa pou\u017e\u00edva v interi\u00e9rov\u00fdch strednonap\u00e4\u0165ov\u00fdch zariadeniach pod\u013ea normy SGCC. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" data-type=\"link\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" target=\"_blank\" rel=\"noopener\">switchgear<\/a>, kioskov\u00e9 transform\u00e1torov\u00e9 stanice, distribu\u010dn\u00e9 stanice a sp\u00ednacie stanice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Transform\u00e1tor poskytuje vysoko presn\u00e9 meranie pr\u00fadu, meranie energie, rel\u00e9ov\u00fa ochranu a zber pr\u00fadov\u00fdch sign\u00e1lov pre \u0161tandardizovan\u00e9 distribu\u010dn\u00e9 syst\u00e9my 10 kV.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Funkcie produktu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">SGCC-\u0160tandardn\u00fd elektrick\u00fd v\u00fdkon<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vysoko presn\u00e9 nav\u00edjanie meradla:<\/strong><br>Meracie vinutie poskytuje stabiln\u00e9 a presn\u00e9 charakteristiky ch\u00fdb a sp\u013a\u0148a po\u017eiadavky na meranie energie triedy 0,2S a triedy 0,5. Podporuje presn\u00e9 a spo\u013eahliv\u00e9 meranie energie v merac\u00edch syst\u00e9moch pod\u013ea \u0161tandardu SGCC.<\/li>\n\n\n\n<li><strong>Spo\u013eahliv\u00e9 ochrann\u00e9 vlastnosti:<\/strong><br>Ochrann\u00e9 vinutie poskytuje dostato\u010dn\u00e9 obmedzovacie \u010dinitele presnosti, vr\u00e1tane 5P20 a 10P20, na zabezpe\u010denie spo\u013eahlivej prev\u00e1dzky rel\u00e9ovej ochrany po\u010das por\u00fach skratu v syst\u00e9me. Pom\u00e1ha predch\u00e1dza\u0165 nespr\u00e1vnej prev\u00e1dzke a zlyhaniu vypnutia.<\/li>\n\n\n\n<li><strong>Vysok\u00e1 kr\u00e1tkodob\u00e1 tepeln\u00e1 a dynamick\u00e1 odolnos\u0165 vo\u010di pr\u00fadu:<\/strong><br>Kr\u00e1tkodob\u00e9 tepeln\u00e9 pr\u00fadov\u00e9 a dynamick\u00e9 pr\u00fadov\u00e9 parametre s\u00fa navrhnut\u00e9 v s\u00falade s po\u017eiadavkami SGCC. Transform\u00e1tor je schopn\u00fd odola\u0165 pr\u00fadov\u00fdm nam\u00e1haniam sp\u00f4soben\u00fdm skratov\u00fdmi poruchami v syst\u00e9me a je vhodn\u00fd pre distribu\u010dn\u00e9 syst\u00e9my s vysokou skratovou kapacitou.<\/li>\n\n\n\n<li><strong>N\u00edzky \u010diasto\u010dn\u00fd v\u00fdboj<\/strong><br>Pokro\u010dil\u00fd proces odlievania obmedzuje \u010diasto\u010dn\u00fd v\u00fdboj na maxim\u00e1lne 10 pC. Toto sp\u013a\u0148a po\u017eiadavky SGCC na izola\u010dn\u00fd v\u00fdkon a pom\u00e1ha zni\u017eova\u0165 dlhodob\u00e9 starnutie izol\u00e1cie.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Izol\u00e1cia a kon\u0161truk\u010dn\u00e9 prvky<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Epoxidov\u00e1 \u017eivica liata izol\u00e1cia:<\/strong><br>Transform\u00e1tor je vakuovo odlievan\u00fd pomocou vysokokvalitnej epoxidovej \u017eivice. Pevn\u00e1 izol\u00e1cia neobsahuje \u017eiadne vn\u00fatorn\u00e9 vzduchov\u00e9 medzery a poskytuje vynikaj\u00face dielektrick\u00e9 vlastnosti.<\/li>\n\n\n\n<li><strong>Vhodn\u00e9 pre syst\u00e9my 12 kV:<\/strong><br>Transform\u00e1tor sp\u013a\u0148a po\u017eiadavky na prev\u00e1dzkov\u00e9 nap\u00e4tie, odolnos\u0165 vo\u010di nap\u00e4tiu o frekvencii v\u00fdkonu a odolnos\u0165 vo\u010di prep\u00e4\u0165ov\u00e9mu impulzu blesku pre syst\u00e9my 10 kV s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 kV.<\/li>\n\n\n\n<li><strong>Plne uzavret\u00e1 kon\u0161trukcia st\u013apov\u00e9ho typu:<\/strong><br>Prim\u00e1rne a sekund\u00e1rne vinutia s\u00fa uzavret\u00e9 v integrovanom tele z liatej \u017eivice, bez odkryt\u00fdch vn\u00fatorn\u00fdch \u017eiv\u00fdch \u010dast\u00ed.<\/li>\n\n\n\n<li><strong>IP20 ochrann\u00e9 krytie:<\/strong><br>Produkt m\u00e1 stupe\u0148 kryt\u00ed IP20 a je vhodn\u00fd pro instalaci uvnit\u0159 vnit\u0159n\u00edch rozvad\u011b\u010d\u016f, \u010d\u00edm\u017e pom\u00e1h\u00e1 sni\u017eovat vnik\u00e1n\u00ed prachu a vlhkosti.<\/li>\n\n\n\n<li><strong>SGCC-\u0161tandardn\u00e9 mont\u00e1\u017ene rozmery:<\/strong><br>Kompaktn\u00e1 kon\u0161trukcia a mont\u00e1\u017ene rozmery s\u00fa kompatibiln\u00e9 s rozv\u00e1dza\u010dmi \u0161tandardu SGCC, vr\u00e1tane verzi\u00ed rozv\u00e1dza\u010dov KYN28 s kovov\u00fdm opl\u00e1\u0161ten\u00edm \u0161tandardu SGCC.<\/li>\n\n\n\n<li><strong>\uac04\ud3b8\ud55c \uc124\uce58 \ubc0f \uad50\uccb4<\/strong><br>\u0160tandardizovan\u00e9 rozmery podporuj\u00fa hromadn\u00fa in\u0161tal\u00e1ciu, priamu v\u00fdmenu, prijatie zariadenia a be\u017en\u00fa \u00fadr\u017ebu.<\/li>\n\n\n\n<li><strong>\u0160tandardizovan\u00e9 sekund\u00e1rne svorky:<\/strong><br>Sekund\u00e1rne svorky s\u00fa chr\u00e1nen\u00e9 prieh\u013eadn\u00fdm krytom a jasne ozna\u010den\u00e9 v s\u00falade s po\u017eiadavkami SGCC na zapojenie sekund\u00e1rnych obvodov.<\/li>\n\n\n\n<li><strong>Zn\u00ed\u017een\u00e9 riziko kabel\u00e1\u017ee:<\/strong><br>Usporiadanie svoriek pom\u00e1ha predch\u00e1dza\u0165 nespr\u00e1vnemu zapojeniu a skratom, pri\u010dom zni\u017euje riziko n\u00e1hodn\u00e9ho otvorenia sekund\u00e1rneho obvodu.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Prev\u00e1dzkov\u00e9 a \u00fadr\u017ebov\u00e9 funkcie<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00edzko\u00fadr\u017ebov\u00e1 prev\u00e1dzka:<\/strong><br>Epoxidov\u00e9 teleso poskytuje vysok\u00fa mechanick\u00fa pevnos\u0165, odolnos\u0165 proti n\u00e1razu a starnutiu. Jeho bezolejov\u00e1 kon\u0161trukcia eliminuje \u00faniky a be\u017en\u00fa \u00fadr\u017ebu izola\u010dn\u00e9ho oleja.<\/li>\n\n\n\n<li><strong>\u0160irok\u00fd rozsah prev\u00e1dzkov\u00fdch tepl\u00f4t:<\/strong><br>Transform\u00e1tor m\u00f4\u017ee pracova\u0165 pri okolit\u00fdch teplot\u00e1ch od -30\u00b0C do +70\u00b0C. Epoxidov\u00e1 \u017eivica si zachov\u00e1va stabiln\u00e9 izola\u010dn\u00e9 a mechanick\u00e9 vlastnosti bez krehnutia alebo deform\u00e1cie.<\/li>\n\n\n\n<li><strong>Vhodn\u00e9 pre r\u00f4zne region\u00e1lne prostredia:<\/strong><br>\u0160irok\u00fd teplotn\u00fd rozsah sp\u013a\u0148a po\u017eiadavky SGCC na environment\u00e1lnu prisp\u00f4sobivos\u0165 zariaden\u00ed pou\u017e\u00edvan\u00fdch v r\u00f4znych klimatick\u00fdch oblastiach.<\/li>\n\n\n\n<li><strong>Sledite\u013en\u00e1 kontrola kvality:<\/strong><br>V\u00fdroba, testovanie a tov\u00e1rensk\u00e1 kontrola sa vykon\u00e1vaj\u00fa pod\u013ea \u0161tandardizovan\u00fdch postupov kontroly kvality.<\/li>\n\n\n\n<li><strong>Kompletn\u00e1 dokument\u00e1cia kvality:<\/strong><br>Preuk\u00e1\u017eky v\u00fdrobkov, spr\u00e1vy z tov\u00e1rensk\u00fdch sk\u00fa\u0161ok a dokument\u00e1ciu SGCC o in\u0161pekcii vstupu do siete je mo\u017en\u00e9 poskytn\u00fa\u0165 na \u00fa\u010dely prijatia zariadenia a spr\u00e1vy majetku.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Technical Specifications<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Elektrick\u00e9 parametre<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>\u0160pecifik\u00e1cia<\/th><\/tr><\/thead><tbody><tr><td>Pou\u017eite\u013en\u00e9 nap\u00e4tie syst\u00e9mu<\/td><td>10 kV striedav\u00e9ho pr\u00fadu, Um = 12 kV<\/td><\/tr><tr><td>Menovit\u00e1 frekvencia<\/td><td>50 Hz<\/td><\/tr><tr><td>Menovit\u00fd prim\u00e1rny pr\u00fad<\/td><td>10\u20132 000 A, SGCC-\u0161tandardn\u00e9 hodnoty<\/td><\/tr><tr><td>Menovit\u00fd sekund\u00e1rny pr\u00fad<\/td><td>5 A alebo 1 A, \u0161tandardn\u00e9 mo\u017enosti SGCC<\/td><\/tr><tr><td>Triednos\u0165 merania<\/td><td>0,2 s \/ 0,5<\/td><\/tr><tr><td>Triednos\u0165 ochrany<\/td><td>5P10 \/ 10P10 \/ 5P20 \/ 10P20<\/td><\/tr><tr><td>Nap\u00e4\u0165ov\u00e1 sk\u00fa\u0161ka s frekvenciou siete<\/td><td>42 kV po dobu 1 min\u00faty, medzi f\u00e1zami a zemou, bez prierazu<\/td><\/tr><tr><td>Impulzn\u00e1 odolnos\u0165 vo\u010di prep\u00e4tiu<\/td><td>75 kV \u0161pi\u010dkovo, bez prierazu<\/td><\/tr><tr><td>\u010ciasto\u010dn\u00fd v\u00fdboj<\/td><td>\u226410 pC<\/td><\/tr><tr><td>Kr\u00e1tkodob\u00fd tepeln\u00fd pr\u00fad (Ith)<\/td><td>20-n\u00e1sobok menovit\u00e9ho pr\u00fadu po dobu 1 sekundy<\/td><\/tr><tr><td>Dynamick\u00fd pr\u00fad (Idyn)<\/td><td>2,5-n\u00e1sobok Ith<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Kon\u0161truk\u010dn\u00e9 a materi\u00e1lov\u00e9 parametre<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>\u0160pecifik\u00e1cia<\/th><\/tr><\/thead><tbody><tr><td>Izola\u010dn\u00fd materi\u00e1l<\/td><td>Epoxidov\u00e1 \u017eivica na odlievanie<\/td><\/tr><tr><td>Ochrann\u00e9 hodnotenie<\/td><td>IP20<\/td><\/tr><tr><td>Typ in\u0161tal\u00e1cie<\/td><td>Vn\u00fatorn\u00e9 st\u013apikov\u00e9 upevnenie skrutkou so \u0161tandardn\u00fdmi rozmermi SGCC<\/td><\/tr><tr><td>Tepeln\u00e1 trieda<\/td><td>Trieda B, 130 \u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Environment\u00e1lne parametre<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>\u0160pecifik\u00e1cia<\/th><\/tr><\/thead><tbody><tr><td>V\u00fd\u0161ka in\u0161tal\u00e1cie<\/td><td>\u22642 000 m; dostupn\u00e9 verzie pre vysokohorsk\u00e9 prostredie<\/td><\/tr><tr><td>Prev\u00e1dzkov\u00e1 teplota<\/td><td>-30 \u00b0C a\u017e +70 \u00b0C<\/td><\/tr><tr><td>Teplota skladovania<\/td><td>-40 \u00b0C a\u017e +85 \u00b0C<\/td><\/tr><tr><td>Relat\u00edvna vlhkos\u0165<\/td><td>\u226495%, nekondenzuj\u00faca<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Platn\u00e9 normy<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kateg\u00f3ria<\/th><th>\ud45c\uc900<\/th><\/tr><\/thead><tbody><tr><td>N\u00e1rodn\u00e9 \u0161tandardy<\/td><td>GB 1208, <em>Aktu\u00e1lne transform\u00e1tory<\/em><\/td><\/tr><tr><td>N\u00e1rodn\u00e9 \u0161tandardy<\/td><td>GB\/T 20840.1 <em>Pr\u00edstrojov\u00e9 transform\u00e1tory \u2014 \u010cas\u0165 1: V\u0161eobecn\u00e9 po\u017eiadavky<\/em><\/td><\/tr><tr><td>Po\u017eiadavky SGCC<\/td><td>\u0160t\u00e1tna energetick\u00e1 spolo\u010dnos\u0165 \u010c\u00edny technick\u00e9 \u0161pecifik\u00e1cie pre pr\u00fadov\u00e9 transform\u00e1tory<\/td><\/tr><tr><td>Po\u017eiadavky SGCC<\/td><td>SGCC \u8fdb\u7f51\u9a8c\u6536\u89c4\u8303<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Aplik\u00e1cie<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Platn\u00e9 nap\u00e4tie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00fadov\u00fd transform\u00e1tor LJZN1(2)-10 je vhodn\u00fd pre vn\u00fatorn\u00e9 10 kV striedav\u00e9 silnopr\u00fadov\u00e9 syst\u00e9my s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 kV.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pou\u017eite\u013en\u00e9 syst\u00e9my<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Produkt je ur\u010den pro standardizovan\u00e9 distribu\u010dn\u00ed syst\u00e9my 10 kV provozovan\u00e9 nebo specifikovan\u00e9 podle po\u017eadavk\u016f State Grid Corporation of China.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typick\u00e9 aplik\u00e1cie<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Meranie pr\u00fadu, meranie energie a rel\u00e9ov\u00e1 ochrana v rozv\u00e1dza\u010doch stredn\u00e9ho nap\u00e4tia typu KYN28 pod\u013ea \u0161tandardu SGCC<\/li>\n\n\n\n<li>SGCC-\ud45c\uc900 \ubc15\uc2a4\ud615 \ubcc0\uc804\uc18c<\/li>\n\n\n\n<li>Rozvodn\u00e9 a transforma\u010dn\u00e9 stanice<\/li>\n\n\n\n<li>\u0160tandardizovan\u00e9 10 kV distribu\u010dn\u00e9 syst\u00e9my v priemyseln\u00fdch a bansk\u00fdch podnikoch<\/li>\n\n\n\n<li>Komercijalne zgrade i industrijski parkovi<\/li>\n\n\n\n<li>S\u00fa\u010dasn\u00e9 monitorovanie a riadenie v syst\u00e9moch energetickej automatiz\u00e1cie<\/li>\n\n\n\n<li>Aplik\u00e1cie vy\u017eaduj\u00face kompatibilitu s automatiza\u010dn\u00fdmi rozhraniami SGCC<\/li>\n\n\n\n<li>Prich\u00e1dzaj\u00face, odch\u00e1dzaj\u00face, meracie a ochrann\u00e9 panely v \u0161tandardizovan\u00fdch rozv\u00e1dza\u010doch stredn\u00e9ho nap\u00e4tia<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Hlavn\u00e9 funkcie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00fadov\u00fd transform\u00e1tor prev\u00e1dza vysok\u00fd prim\u00e1rny pr\u00fad v elektroenergetickej s\u00fastave na \u0161tandardizovan\u00fd sekund\u00e1rny pr\u00fad 5 A alebo 1 A v \u0161pecifikovanom pomere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nap\u00e1ja pr\u00fadov\u00e9 sign\u00e1ly na:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Energetick\u00e9 mera\u010de<\/li>\n\n\n\n<li>Meracie pr\u00edstroje<\/li>\n\n\n\n<li>Rel\u00e9ov\u00e9 ochrany<\/li>\n\n\n\n<li>Monitorovacie zariadenia<\/li>\n\n\n\n<li>Riadiace syst\u00e9my<\/li>\n\n\n\n<li>Automatiza\u010dn\u00e9 zariadenia na pohon<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Transform\u00e1tor tie\u017e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jeho \u0161tandardizovan\u00fd elektrick\u00fd a mechanick\u00fd dizajn podporuje prev\u00e1dzkov\u00e9, akcepta\u010dn\u00e9 a \u00fadr\u017ebov\u00e9 po\u017eiadavky distribu\u010dn\u00fdch syst\u00e9mov pod\u013ea \u0161tandardov SGCC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Prev\u00e1dzkov\u00e9 podmienky<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Norm\u00e1lne prev\u00e1dzkov\u00e9 podmienky<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In\u0161tala\u010dn\u00e1 v\u00fd\u0161ka: maxim\u00e1lne 2 000 m<\/li>\n\n\n\n<li>Okolit\u00e1 teplota: -30 \u00b0C a\u017e +70 \u00b0C<\/li>\n\n\n\n<li>Vyhnite sa prudk\u00fdm alebo n\u00e1hlym zmen\u00e1m teploty.<\/li>\n\n\n\n<li>Relat\u00edvna vlhkos\u0165: maxim\u00e1lne 95 %, nekondenzuj\u00faca<\/li>\n\n\n\n<li>Prostredie by malo by\u0165 bez koroz\u00edvnych plynov<\/li>\n\n\n\n<li>Hor\u013eav\u00e9 alebo v\u00fdbu\u0161n\u00e9 l\u00e1tky nie s\u00fa povolen\u00e9<\/li>\n\n\n\n<li>Siln\u00e9 vibr\u00e1cie a mechanick\u00e9 n\u00e1razy by sa mali vyhn\u00fa\u0165<\/li>\n\n\n\n<li>Treba sa vyhn\u00fa\u0165 v\u00fdznamn\u00e9mu zne\u010disteniu prachom a so\u013enou hmlou<\/li>\n\n\n\n<li>Vn\u00fatorn\u00e1 in\u0161tal\u00e1cia typu st\u013ap<\/li>\n\n\n\n<li>Priamemu slne\u010dn\u00e9mu \u017eiareniu, da\u017e\u010fu a kondenz\u00e1cii sa treba vyhn\u00fa\u0165<\/li>\n\n\n\n<li>In\u0161tal\u00e1cia mus\u00ed sp\u013a\u0148a\u0165 po\u017eiadavky SGCC pre zariadenia vo vn\u00fatri vysokonap\u00e4\u0165ov\u00fdch rozv\u00e1dza\u010dov.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0160peci\u00e1lne prev\u00e1dzkov\u00e9 podmienky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Prisp\u00f4soben\u00e9 produkty s\u00fa potrebn\u00e9 pre:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nadmo\u0159sk\u00e9 v\u00fd\u0161ky instalace nad 2 000 m<\/li>\n\n\n\n<li>Teploty okolia mimo rozsah -30 \u00b0C a\u017e +70 \u00b0C<\/li>\n\n\n\n<li>\u0164a\u017ek\u00e9 zne\u010distenie alebo prostredie so slanou hmlou<\/li>\n\n\n\n<li>Chemicky korozivn\u00ed prost\u0159ed\u00ed<\/li>\n\n\n\n<li>Aplik\u00e1cie zah\u0155\u0148aj\u00face siln\u00e9 vibr\u00e1cie alebo mechanick\u00e9 n\u00e1razy<\/li>\n\n\n\n<li>Nestandardn\u00e9 pomery be\u017enej prev\u00e1dzky<\/li>\n\n\n\n<li>\u0160peci\u00e1lne triedy presnosti<\/li>\n\n\n\n<li>Nestandardn\u00e9 mont\u00e1\u017ene rozmery<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">In\u0161tal\u00e1cia a \u00fadr\u017eba<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Po\u017eiadavky na in\u0161tal\u00e1ciu<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Predin\u0161tala\u010dn\u00e1 kontrola:<\/strong><br>Skontrolujte pr\u00fadov\u00fd transform\u00e1tor a overte, \u017ee jeho epoxidov\u00e9 teleso neobsahuje praskliny, bubliny, mechanick\u00e9 po\u0161kodenia ani in\u00e9 vidite\u013en\u00e9 chyby. Skontrolujte, \u010di s\u00fa v\u0161etky ozna\u010denia svoriek jasn\u00e9 a \u010di s\u00fa dodan\u00e9 pr\u00edslu\u0161enstv\u00e1 kompletn\u00e9. Overte, \u017ee model, \u0161pecifik\u00e1cie, pr\u00fadov\u00fd pomer a triedy presnosti zodpovedaj\u00fa n\u00e1vrhu syst\u00e9mu a pr\u00edslu\u0161n\u00fdm po\u017eiadavk\u00e1m SGCC. Potvr\u010fte, \u017ee s\u00fa k dispoz\u00edcii po\u017eadovan\u00e1 spr\u00e1va o kontrole vstupu do siete SGCC a podporn\u00e9 dokumenty o kvalite.<\/li>\n\n\n\n<li><strong>Mont\u00e1\u017e:<\/strong><br>Umiestnite transform\u00e1tor na ur\u010den\u00e9 miesto vo vn\u00fatri rozv\u00e1dza\u010da a pripevnite ho skrutkami cez mont\u00e1\u017ene otvory v z\u00e1kladni. Zabezpe\u010dte, aby bol transform\u00e1tor pevne nain\u0161talovan\u00fd bez uvo\u013enenia alebo posunutia. Mont\u00e1\u017eny povrch mus\u00ed by\u0165 rovn\u00fd, aby sa zabr\u00e1nilo nerovnomern\u00e9mu mechanick\u00e9mu nam\u00e1haniu. In\u0161tal\u00e1cia mus\u00ed by\u0165 v s\u00falade s po\u017eiadavkami SGCC na umiestnenie a mont\u00e1\u017e zariadenia vo vn\u00fatri rozv\u00e1dza\u010da.<\/li>\n\n\n\n<li><strong>Prim\u00e1rne pripojenie:<\/strong><br>Pod\u013ea n\u00e1vrhu syst\u00e9mu pripojte prim\u00e1rnu zbernicu. Zabezpe\u010dte tesn\u00fd kontakt medzi zbernicou a prim\u00e1rnymi svorkami transform\u00e1tora. V\u0161etky skrutky pevne dotiahnite, aby ste zabr\u00e1nili prehriatiu sp\u00f4soben\u00e9mu zl\u00fdm elektrick\u00fdm kontaktom. Prim\u00e1rne pripojenie mus\u00ed sp\u013a\u0148a\u0165 pr\u00edslu\u0161n\u00e9 po\u017eiadavky SGCC na zapojenie prim\u00e1rneho obvodu.<\/li>\n\n\n\n<li><strong>Sekund\u00e1rne pripojenie:<\/strong><br>Sekund\u00e1rne svorky pripojte pod\u013ea ich ozna\u010denia. Meracie a ochrann\u00e9 vinutia musia by\u0165 zapojen\u00e9 oddelene a spr\u00e1vne v s\u00falade s po\u017eiadavkami SGCC na zapojenie sekund\u00e1rnych obvodov. Sekund\u00e1rne obvody nesm\u00fa zosta\u0165 nikdy otvoren\u00e9, ke\u010f je prim\u00e1rny obvod pod nap\u00e4t\u00edm. Jeden bod ka\u017ed\u00e9ho po\u017eadovan\u00e9ho sekund\u00e1rneho obvodu mus\u00ed by\u0165 spo\u013eahlivo uzemnen\u00fd, aby sa zabr\u00e1nilo nebezpe\u010dn\u00e9mu prep\u00e4tiu.<\/li>\n\n\n\n<li><strong>Kontrola izol\u00e1cie:<\/strong><br>Po in\u0161tal\u00e1cii zmerajte izola\u010dn\u00fd odpor medzi:<ul><li>Prim\u00e1rne vinutie a zem<\/li><li>Sekund\u00e1rne vinutia a zem<\/li><li>Prim\u00e1rne vinutie a sekund\u00e1rne vinutia<\/li><\/ul>Potvr\u010fte, \u017ee izola\u010dn\u00fd v\u00fdkon sp\u013a\u0148a stanoven\u00e9 po\u017eiadavky a platn\u00e9 krit\u00e9ri\u00e1 predprev\u00e1dzkov\u00fdch sk\u00fa\u0161ok.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Po\u017eiadavky na \u00fadr\u017ebu<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pravidelne kontrolujte epoxidov\u00e9 teleso na praskliny, mechanick\u00e9 po\u0161kodenia, stopy po v\u00fdbojoch a zne\u010distenie.<\/li>\n\n\n\n<li>Skontrolujte svorky, \u010di nie s\u00fa uvo\u013enen\u00e9, skorodovan\u00e9 a \u010di sa abnorm\u00e1lne nezohrievaj\u00fa.<\/li>\n\n\n\n<li>Vykon\u00e1vajte pravideln\u00e9 kontroly v s\u00falade s pr\u00edslu\u0161n\u00fdmi po\u017eiadavkami na kontrolu zariaden\u00ed SGCC.<\/li>\n\n\n\n<li>Pravidelne kontrolujte prim\u00e1rnu zbernicu a sekund\u00e1rne zapojenie, aby ste sa uistili, \u017ee v\u0161etky spoje zost\u00e1vaj\u00fa pevn\u00e9.<\/li>\n\n\n\n<li>Skontrolujte prehrievanie, zmenu farby, ne\u00famyseln\u00e9 preru\u0161enie obvodu a riziko skratu.<\/li>\n\n\n\n<li>Potvr\u010fte, \u017ee zemnenie sekund\u00e1rneho obvodu zost\u00e1va spo\u013eahliv\u00e9.<\/li>\n\n\n\n<li>Pravidelne kontrolujte izola\u010dn\u00fd odpor a chybu pr\u00fadov\u00e9ho prevodu.<\/li>\n\n\n\n<li>Oververte, \u010di meracia a ochrann\u00e1 presnos\u0165 zost\u00e1va v stanoven\u00fdch medziach.<\/li>\n\n\n\n<li>Vykonajte overenie merania a ochrany pod\u013ea platn\u00fdch po\u017eiadaviek SGCC na kontrolu.<\/li>\n\n\n\n<li>Vy\u010distite transform\u00e1tor od prachu a ne\u010dist\u00f4t.<\/li>\n\n\n\n<li>Zabr\u00e1\u0148te kontaktu oleja a koroz\u00edvnych l\u00e1tok s epoxidov\u00fdm telesom.<\/li>\n\n\n\n<li>Udr\u017eujte vybavenie \u010dist\u00e9 a such\u00e9.<\/li>\n\n\n\n<li>Ak sa zist\u00ed prasknutie, elektrick\u00fd v\u00fdboj, prehriatie alebo nadmern\u00e1 chyba merania, okam\u017eite vypnite nap\u00e1janie a skontrolujte zariadenie.<\/li>\n\n\n\n<li>V pr\u00edpade potreby vyme\u0148te chybn\u00e9 zariadenie v s\u00falade s platn\u00fdmi postupmi riadenia ch\u00fdb zariadenia.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Opatrenia<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Sekund\u00e1rne vinutia nesm\u00fa by\u0165 nikdy ponechan\u00e9 otvoren\u00e9, k\u00fdm je prim\u00e1rny obvod pod nap\u00e4t\u00edm. Otvoren\u00fd sekund\u00e1rny obvod m\u00f4\u017ee generova\u0165 nebezpe\u010dn\u00e9 prep\u00e4tie nieko\u013eko tis\u00edc voltov, \u010do predstavuje v\u00e1\u017ene riziko pre vybavenie a person\u00e1l.<\/li>\n\n\n\n<li>Pri \u00fadr\u017ebe musia by\u0165 sekund\u00e1rne vinutia pred odpojen\u00edm bezpe\u010dne skratovan\u00e9 a uzemnen\u00e9 v s\u00falade s platn\u00fdmi bezpe\u010dnostn\u00fdmi postupmi pre sekund\u00e1rne obvody.<\/li>\n\n\n\n<li>Prepravou a in\u0161tal\u00e1ciou sa vyhnite n\u00e1razom alebo kol\u00edzi\u00e1m s telesom z epoxidovej \u017eivice. Mechanick\u00e9 po\u0161kodenie m\u00f4\u017ee sp\u00f4sobi\u0165 prasknutie izol\u00e1cie a ovplyvni\u0165 prevzatie zariadenia.<\/li>\n\n\n\n<li>Zariadenie mus\u00ed by\u0165 spo\u013eahlivo uzemnen\u00e9. Uzem\u0148ovacia svorka na kovovej z\u00e1kladni mus\u00ed by\u0165 pevne pripojen\u00e1 k uzem\u0148ovacej zbernici rozv\u00e1dza\u010da.<\/li>\n\n\n\n<li>Skladujte<\/li>\n\n\n\n<li>In\u0161tal\u00e1ciu, uvedenie do prev\u00e1dzky a \u00fadr\u017ebu musia vykon\u00e1va\u0165 kvalifikovan\u00ed elektroin\u0161talat\u00e9ri v s\u00falade s platn\u00fdmi predpismi o bezpe\u010dnosti elektrick\u00fdch in\u0161tal\u00e1ci\u00ed a po\u017eiadavkami na prev\u00e1dzku a \u00fadr\u017ebu SGCC.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u0160tandardn\u00fd zoznam dod\u00e1vok<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Nie.<\/th><th>Predmet<\/th><th>Funkcia<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>LJZN1(2)-10 SGCC-\u0161tandardn\u00fd pr\u00fadov\u00fd transform\u00e1tor<\/td><td>Hlavn\u00e9 zariadenie na transform\u00e1ciu pr\u00fadu a elektrick\u00fa izol\u00e1ciu, navrhnut\u00e9 pod\u013ea po\u017eiadaviek SGCC<\/td><\/tr><tr><td>2<\/td><td>Mont\u00e1\u017ene skrutky a podlo\u017eky<\/td><td>Pou\u017e\u00edva sa na upevnenie transform\u00e1tora a zodpoved\u00e1 mont\u00e1\u017enym rozmerom pod\u013ea normy SGCC<\/td><\/tr><tr><td>3<\/td><td>Prieh\u013eadn\u00fd kryt sekund\u00e1rneho termin\u00e1lu<\/td><td>Chr\u00e1ni sekund\u00e1rne svorky pred nespr\u00e1vnym pripojen\u00edm a skratmi a podporuje \u0161tandardizovan\u00fa ochranu sekund\u00e1rneho obvodu<\/td><\/tr><tr><td>4<\/td><td>N\u00e1vod na pou\u017eitie<\/td><td>Poskytuje pokyny pre in\u0161tal\u00e1ciu, prev\u00e1dzku, \u00fadr\u017ebu a mont\u00e1\u017e pod\u013ea \u0161tandardov SGCC<\/td><\/tr><tr><td>5<\/td><td>Certifik\u00e1t produktu, Spr\u00e1va o sk\u00fa\u0161ke vo v\u00fdrobe a Spr\u00e1va o kontrole vstupu do siete SGCC<\/td><td>SGCC \uc7a5\ube44 \uc778\uc218 \uc81c\ud488 \ud488\uc9c8 \ubc0f \uc131\ub2a5 \ubb38\uc11c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Platn\u00e9 normy a certifik\u00e1cia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdrobok sp\u013a\u0148a nasleduj\u00face normy a technick\u00e9 po\u017eiadavky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GB 1208, <em>Aktu\u00e1lne transform\u00e1tory<\/em><\/li>\n\n\n\n<li>GB\/T 20840.1 <em>Pr\u00edstrojov\u00e9 transform\u00e1tory \u2014 \u010cas\u0165 1: V\u0161eobecn\u00e9 po\u017eiadavky<\/em><\/li>\n\n\n\n<li>\u0160t\u00e1tna energetick\u00e1 spolo\u010dnos\u0165 \u010c\u00edny technick\u00e9 \u0161pecifik\u00e1cie pre pr\u00fadov\u00e9 transform\u00e1tory<\/li>\n\n\n\n<li>SGCC \u8fdb\u7f51\u9a8c\u6536\u8bbe\u5907\u8981\u6c42<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdrobok \u00faspe\u0161ne absolvoval pr\u00edslu\u0161n\u00e9 typov\u00e9 sk\u00fa\u0161ky a kontroly pripojenia do siete SGCC. Jeho v\u00fdkon sp\u013a\u0148a prev\u00e1dzkov\u00e9 po\u017eiadavky \u0161tandardizovan\u00fdch 10 kV distribu\u010dn\u00fdch syst\u00e9mov SGCC.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"948\" height=\"855\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09.webp\" alt=\"LJZN1(2)-10\u4e92\u611f\u5668\uff081\uff09\" class=\"wp-image-2602\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09.webp 948w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09-300x271.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09-768x693.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09-13x12.webp 13w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><\/figure>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Product Overview The LJZN1(2)-10 Current Transformer is an SGCC-standard, fully enclosed, post-type cast-resin current transformer designed for indoor 10 kV [&hellip;]<\/p>\n","protected":false},"featured_media":2601,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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