{"id":1637,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1637"},"modified":"2026-09-16T04:45:15","modified_gmt":"2026-09-16T04:45:15","slug":"lxk-80-300-zero-sequence-current-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/sk\/product\/lxk-80-300-zero-sequence-current-transformer\/","title":{"rendered":"LXK-80\u2013300\u96f6\u5e8f\u7535\u6d41\u4e92\u611f\u5668"},"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\/\">Nulov\u00fd pr\u00fadov\u00fd transform\u00e1tor LXK-80\u2013300<\/a> je pr\u00fadov\u00fd transform\u00e1tor odlievan\u00fd epoxidovou \u017eivicou ur\u010den\u00fd pre vn\u00fatorn\u00e9 silov\u00e9 syst\u00e9my 10 kV a 35 kV striedav\u00e9ho pr\u00fadu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u010faka prstencov\u00e9mu magnetick\u00e9mu jadru a integrovanej kon\u0161trukcii z liatej \u017eivice sa transform\u00e1tor pou\u017e\u00edva hlavne na detekciu jednof\u00e1zov\u00fdch zemn\u00fdch por\u00fach, rel\u00e9ov\u00fa ochranu a monitorovanie izol\u00e1cie v syst\u00e9moch s neefekt\u00edvne uzemnen\u00fdmi nulov\u00fdmi bodmi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160iroko je in\u0161talovan\u00fd v strednom nap\u00e4t\u00ed <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>, rozdzielnice pier\u015bcieniowe, stacje transformatorowe typu skrzynkowego, puszki odga\u0142\u0119\u017ane kablowe i inne urz\u0105dzenia dystrybucji energii. Produkt jest kluczowym elementem czujnikowym w systemach zabezpiecze\u0144 przed zwarciem doziemnym w sieciach elektroenergetycznych.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Funkcie produktu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Izol\u00e1cia a elektrick\u00fd v\u00fdkon<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Epoxidov\u00e1 \u017eivica liata izol\u00e1cia:<\/strong><br>Transform\u00e1tor je integr\u00e1ln\u011b tvarov\u00e1n procesem vakuov\u00e9ho lit\u00ed epoxidovou prysky\u0159ic\u00ed. Pevn\u00e9 izola\u010dn\u00ed t\u011bleso neobsahuje \u017e\u00e1dn\u00e9 vnit\u0159n\u00ed vzduchov\u00e9 mezery a poskytuje vynikaj\u00edc\u00ed dielektrick\u00e9 vlastnosti.<\/li>\n\n\n\n<li><strong>Bezolejov\u00e1 such\u00e1 kon\u0161trukcia:<\/strong><br>V\u00fdrobok<\/li>\n\n\n\n<li><strong>Vysoko citliv\u00e1 detekcia zvodov\u00e9ho pr\u00fadu:<\/strong><br>Jadro prstenca je vyroben\u00e9 z vysoko kvalitnej laminovanej krem\u00edkovej ocele s n\u00edzkym budiacim pr\u00fadom a vysokou magnetickou citlivos\u0165ou. Presne deteguje pr\u00fad nulovej sekvencie generovan\u00fd po\u010das jednof\u00e1zov\u00fdch zemn\u00fdch por\u00fach.<\/li>\n\n\n\n<li><strong>Kompatibiln\u00e9 so zariadeniami na ochranu pred zemn\u00fdm skratom:<\/strong><br>Transform\u00e1tor m\u00f4\u017ee nap\u00e1ja\u0165 pr\u00fadov\u00e9 sign\u00e1ly n\u00edzko-pr\u00fadov\u00fdmi zemn\u00fdmi selek\u010dn\u00fdmi zariadeniami, rel\u00e9 nulovej sekvencie, monitorovac\u00edmi zariadeniami a in\u00fdmi ochrann\u00fdmi zariadeniami.<\/li>\n\n\n\n<li><strong>\u0160irok\u00fd rozsah clony:<\/strong><br>Dostupn\u00e9 vn\u00fatorn\u00e9 priemery otvorov sa pohybuj\u00fa od 80 do 300 mm. R\u00f4zne modely dok\u00e1\u017eu poja\u0165 r\u00f4zne zv\u00e4zky trojf\u00e1zov\u00fdch k\u00e1blov alebo usporiadania zbern\u00edc bez potreby rozsiahlych \u00faprav in\u0161tal\u00e1cie.<\/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, \u010d\u00edm pom\u00e1ha zni\u017eova\u0165 starnutie izol\u00e1cie a zlep\u0161uje dlhodob\u00fa prev\u00e1dzkov\u00fa spo\u013eahlivos\u0165.<\/li>\n\n\n\n<li><strong>Vysok\u00e1 odolnos\u0165 vo\u010di izol\u00e1cii:<\/strong><br>Transform\u00e1tor sp\u013a\u0148a po\u017eiadavky na odolnos\u0165 vo\u010di nap\u00e4tiu o frekvencii v\u00fdkonu a prep\u00e4\u0165ov\u00e9mu impulzu blesku pre syst\u00e9my 10 kV a 35 kV.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kon\u0161truk\u010dn\u00e9 a in\u0161tala\u010dn\u00e9 vlastnosti<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plne uzatvoren\u00e1 such\u00e1 kon\u0161trukcia:<\/strong><br>Magnetick\u00e9 jadro a sekund\u00e1rne vinutie s\u00fa uzavret\u00e9 v tele odliatom z epoxidovej \u017eivice. V\u00fdrobok poskytuje stupe\u0148 ochrany IP20 a nem\u00e1 \u017eiadne odkryt\u00e9 vn\u00fatorn\u00e9 nap\u00e1jan\u00e9 komponenty.<\/li>\n\n\n\n<li><strong>Kompaktn\u00e1 kon\u0161trukcia<\/strong><br>Kr\u00fa\u017ekov\u00fd dizajn zaber\u00e1 obmedzen\u00fd priestor na in\u0161tal\u00e1ciu a je kompatibiln\u00fd so \u0161tandardn\u00fdmi rozvodn\u00fdmi skri\u0148ami a usporiadan\u00edm k\u00e1blov\u00fdch priestorov.<\/li>\n\n\n\n<li><strong>Dizajn cez clonu:<\/strong><br>Trojf\u00e1zov\u00e9 k\u00e1ble alebo zbernice prech\u00e1dzaj\u00fa priamo stredov\u00fdm otvorom, \u010do umo\u017e\u0148uje detekciu pr\u00fadu nulovej sekvencie bez konven\u010dn\u00e9ho pripojenia prim\u00e1rneho vinutia.<\/li>\n\n\n\n<li><strong>Zjednodu\u0161en\u00e9 usporiadanie prim\u00e1rneho okruhu:<\/strong><br>Priechodn\u00e1 kon\u0161trukcia zni\u017euje po\u010det prim\u00e1rnych pripojen\u00ed, zjednodu\u0161uje in\u0161tal\u00e1ciu a pom\u00e1ha minimalizova\u0165 potenci\u00e1lne pripojovacie body a s\u00favisiace poruchy.<\/li>\n\n\n\n<li><strong>Jasne oznaczone zaciski wt\u00f3rne:<\/strong><br>Sekund\u00e1rne svorky s\u00fa chr\u00e1nen\u00e9 prieh\u013eadn\u00fdm krytom a jasne ozna\u010den\u00e9 pre pohodln\u00e9 zapojenie. Usporiadanie svoriek je kompatibiln\u00e9 s be\u017en\u00fdmi po\u017eiadavkami na ochranu nulov\u00e9ho sledu.<\/li>\n\n\n\n<li><strong>Flexibiln\u00e9 upevnenie:<\/strong><br>Kovov\u00fd mont\u00e1\u017eny dr\u017eiak umo\u017e\u0148uje bezpe\u010dn\u00fa mont\u00e1\u017e pomocou skrutiek. Transform\u00e1tor je mo\u017en\u00e9 namontova\u0165 horizont\u00e1lne alebo vertik\u00e1lne do vn\u00fatorn\u00fdch rozv\u00e1dza\u010dov a poskytuje spo\u013eahliv\u00fa odolnos\u0165 proti vibr\u00e1ci\u00e1m.<\/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>Such\u00e1, bezolejov\u00e1 kon\u0161trukcia nepredstavuje riziko \u00faniku oleja ani po\u017eiaru s\u00favisiaceho s olejom. Telo z epoxidovej \u017eivice poskytuje vysok\u00fa mechanick\u00fa pevnos\u0165, odolnos\u0165 proti n\u00e1razom a starnutiu.<\/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>Stabiln\u00e1 presnos\u0165 sign\u00e1lu:<\/strong><br>Vysokokvalitn\u00e9 jadro z krem\u00edkovej ocele a smaltovan\u00e9 meden\u00e9 vinutie zais\u0165uj\u00fa n\u00edzke prev\u00e1dzkov\u00e9 straty, obmedzen\u00fd n\u00e1rast teploty a stabiln\u00fa detekciu pr\u00fadu nulovej postupnosti.<\/li>\n\n\n\n<li><strong>Spo\u013eahliv\u00fd ochrann\u00fd v\u00fdkon:<\/strong><br>Transform\u00e1tor je schopn\u00fd odola\u0165 prep\u00e4tiu pri sp\u00ednan\u00ed a \u00fa\u010dinkom skratov\u00e9ho pr\u00fadu v r\u00e1mci svojich \u0161pecifikovan\u00fdch hodn\u00f4t, \u010d\u00edm pom\u00e1ha zabezpe\u010di\u0165 spo\u013eahliv\u00fa prev\u00e1dzku ochrany proti zemn\u00e9mu spojeniu.<\/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 \/ 35 kV AC, Um = 12 kV \/ 40,5 kV<\/td><\/tr><tr><td>Menovit\u00e1 frekvencia<\/td><td>50 Hz<\/td><\/tr><tr><td>Menovit\u00fd nulov\u00fd pr\u00fad<\/td><td>Prisp\u00f4soben\u00e9 pod\u013ea syst\u00e9mov\u00e9ho zemn\u00e9ho pr\u00fadu<\/td><\/tr><tr><td>Menovit\u00fd sekund\u00e1rny pr\u00fad<\/td><td>5 A alebo 1 A, prisp\u00f4sobite\u013en\u00e9<\/td><\/tr><tr><td>Triednos\u0165 ochrany<\/td><td>10P10 \/ 10P15, prisp\u00f4sobite\u013en\u00e9<\/td><\/tr><tr><td>Nap\u00e4\u0165ov\u00e1 sk\u00fa\u0161ka s frekvenciou siete<\/td><td>42 kV po dobu 1 min\u00faty pre syst\u00e9my 10 kV; 95 kV po dobu 1 min\u00faty pre syst\u00e9my 35 kV, bez prierazu<\/td><\/tr><tr><td>Impulzn\u00e1 odolnos\u0165 vo\u010di prep\u00e4tiu<\/td><td>75 kV \u0161pi\u010dkovo pre syst\u00e9my 10 kV; 185 kV \u0161pi\u010dkovo pre syst\u00e9my 35 kV, bez prierazu<\/td><\/tr><tr><td>\u010ciasto\u010dn\u00fd v\u00fdboj<\/td><td>\u226410 pC<\/td><\/tr><tr><td>Izola\u010dn\u00fd odpor<\/td><td>\u22651,000 M\u03a9 between the primary circuit, secondary circuit, and earth<\/td><\/tr><tr><td>Citlivost nulov\u00e9ho pr\u00fadu<\/td><td>Detekuje pr\u00fad pri zemnom spojen\u00ed od 0,5 A a vy\u0161\u0161ie; prisp\u00f4sobite\u013en\u00e9<\/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>Plne vytvrden\u00e1 epoxidov\u00e1 \u017eivica<\/td><\/tr><tr><td>Ochrann\u00e9 hodnotenie<\/td><td>IP20<\/td><\/tr><tr><td>Vn\u00fatorn\u00fd priemer clony<\/td><td>80 \/ 100 \/ 150 \/ 200 \/ 300 mm<\/td><\/tr><tr><td>Typ in\u0161tal\u00e1cie<\/td><td>Mont\u00e1\u017e skrutiek do interi\u00e9ru<\/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>\ud45c\uc900<\/th><th>Popis<\/th><\/tr><\/thead><tbody><tr><td>GB 1208<\/td><td>Aktu\u00e1lne transform\u00e1tory<\/td><\/tr><tr><td>GB\/T 20840 \u7cfb\u5217<\/td><td>Pr\u00edstrojov\u00e9 transform\u00e1tory<\/td><\/tr><tr><td>DL\/T 866<\/td><td>K\u00f3d pre v\u00fdber a v\u00fdpo\u010det pr\u00fadov\u00fdch transform\u00e1torov a nap\u00e4\u0165ov\u00fdch transform\u00e1torov<\/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\u00e4tia<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vhodn\u00e9 pre vn\u00fatorn\u00e9 silov\u00e9 syst\u00e9my 10 kV a 35 kV AC s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 kV a 40,5 kV.<\/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>Jednof\u00e1zov\u00e1 detekcia zemn\u00e9ho spojenia a nulov\u00e1 ochrana v vn\u00fatorn\u00fdch rozv\u00e1dza\u010doch stredn\u00e9ho nap\u00e4tia<\/li>\n\n\n\n<li>Rozvodn\u00e9 skrine<\/li>\n\n\n\n<li>Transform\u00e1torov\u00e9 stanice typu skri\u0148a<\/li>\n\n\n\n<li>K\u00e1blov\u00e9 odbo\u010dn\u00e9 krabice<\/li>\n\n\n\n<li>Rozvodn\u00e9 a transforma\u010dn\u00e9 stanice<\/li>\n\n\n\n<li>10 kV a 35 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>Syst\u00e9my na v\u00fdber vedenia pri zemn\u00fdch skratoch s n\u00edzkym pr\u00fadom<\/li>\n\n\n\n<li>Zariadenia nulov\u00e9ho sledu<\/li>\n\n\n\n<li>Monitorovanie zemn\u00fdch por\u00fach pre k\u00e1blov\u00e9 a zbernicov\u00e9 obvody<\/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\">LXK-80\u2013300 deteguje vektorov\u00fd s\u00fa\u010det trojf\u00e1zov\u00fdch pr\u00fadov prech\u00e1dzaj\u00facich jeho stredov\u00fdm otvorom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Za norm\u00e1lnych prev\u00e1dzkov\u00fdch podmienok s\u00fa trojf\u00e1zov\u00e9 pr\u00fadov\u00e9 vektory vyv\u00e1\u017een\u00e9 a v\u00fdsledn\u00fd pr\u00fad nulovej sekvencie je bl\u00edzky nule. Pri jednof\u00e1zovom zemnom skrate nerovnov\u00e1ha pr\u00fadu vytv\u00e1ra detegovate\u013en\u00fd sign\u00e1l pr\u00fadu nulovej sekvencie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Transform\u00e1tor dod\u00e1va tento sign\u00e1l do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rel\u00e9 na nulov\u00fa sekvenciu<\/li>\n\n\n\n<li>N\u00edzkonapr\u00fadov\u00e9 zariadenia na v\u00fdber vedenia pri zemnom spojen\u00ed<\/li>\n\n\n\n<li>Monitorovacie zariadenia<\/li>\n\n\n\n<li>Riadiace syst\u00e9my<\/li>\n\n\n\n<li>Zariadenia na signaliz\u00e1ciu zemn\u00e9ho spojenia<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Poskytuje tie\u017e elektrick\u00fa izol\u00e1ciu medzi prim\u00e1rnym nap\u00e1jac\u00edm obvodom a sekund\u00e1rnym ochrann\u00fdm obvodom, \u010d\u00edm pom\u00e1ha chr\u00e1ni\u0165 pripojen\u00e9 zariadenia a obsluhu.<\/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 mont\u00e1\u017e na skrutky<\/li>\n\n\n\n<li>Priamemu slne\u010dn\u00e9mu \u017eiareniu, da\u017e\u010fu a kondenz\u00e1cii sa treba vyhn\u00fa\u0165<\/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 priemery clony<\/li>\n\n\n\n<li>\u0160peci\u00e1lne po\u017eiadavky na citlivos\u0165<\/li>\n\n\n\n<li>\u0160pe<\/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 nulovej sekvencie 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 ozna\u010denia svoriek jasn\u00e9 a \u010di je v\u0161etko dodan\u00e9 pr\u00edslu\u0161enstvo kompletn\u00e9. Overte, \u017ee model, priemer otvoru, citlivos\u0165 a presnos\u0165 ochrany zodpovedaj\u00fa po\u017eiadavk\u00e1m n\u00e1vrhu syst\u00e9mu.<\/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 kovovom dr\u017eiaku. Zaistite, aby bol transform\u00e1tor pevne nain\u0161talovan\u00fd bez uvo\u013enenia alebo posunutia. Mont\u00e1\u017eny povrch m\u00f4\u017ee by\u0165 vodorovn\u00fd alebo zvisl\u00fd, ale nesmie vyv\u00edja\u0165 nerovnomern\u00e9 mechanick\u00e9 nam\u00e1hanie na liate teleso.<\/li>\n\n\n\n<li><strong>In\u0161tal\u00e1cia prim\u00e1rneho vodi\u010da:<\/strong><br>Preve\u010fte v\u0161etky tri f\u00e1zov\u00e9 vodi\u010de cez stredov\u00fd otvor v rovnakom smere. Trojf\u00e1zov\u00e9 k\u00e1ble alebo sbernice by mali prech\u00e1dza\u0165 cez otvor koncentricky, ak je to mo\u017en\u00e9. Vyhnite sa priamemu kontaktu medzi vodi\u010dmi a stenou otvoru. Po\u010das in\u0161tal\u00e1cie k\u00e1blov alebo zbern\u00edc nepo<\/li>\n\n\n\n<li><strong>Uzemnenie k\u00e1bla:<\/strong><br>Tam, kde sa pou\u017e\u00edvaj\u00fa tienen\u00e9 k\u00e1ble, mus\u00ed by\u0165 uzem\u0148ovac\u00ed vodi\u010d pl\u00e1\u0161\u0165a k\u00e1bla veden\u00fd pod\u013ea n\u00e1vrhu ochrany, aby sa zabr\u00e1nilo zru\u0161eniu alebo nespr\u00e1vnej detekcii sign\u00e1lu pr\u00fadu zos\u00faladenia.<\/li>\n\n\n\n<li><strong>Sekund\u00e1rne pripojenie:<\/strong><br>Sekund\u00e1rne svorky pripojte k rel\u00e9 nulovej sekvencie alebo k zariadeniu na v\u00fdber vedenia pri zemnom skrate s n\u00edzkym pr\u00fadom pod\u013ea ozna\u010denia svoriek. Sekund\u00e1rny obvod nesmie zosta\u0165 otvoren\u00fd, k\u00fdm je monitorovan\u00fd prim\u00e1rny obvod pod nap\u00e4t\u00edm. Jeden bod sekund\u00e1rneho obvodu mus\u00ed by\u0165 spo\u013eahlivo uzemnen\u00fd.<\/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 vodi\u010de a sekund\u00e1rny obvod<\/li><li>Prim\u00e1rne vodi\u010de a zem<\/li><li>Sekund\u00e1rny obvod a zem<\/li><\/ul>Pred uveden\u00edm zariadenia do prev\u00e1dzky skontrolujte, \u010di je sekund\u00e1rny obvod spr\u00e1vne pripojen\u00fd a nie je preru\u0161en\u00fd.<\/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, po\u0161kodenia, v\u00fdboje a zne\u010distenie.<\/li>\n\n\n\n<li>Skontrolujte vn\u00fatorn\u00fa clonu na cudzie predmety, opotrebenie alebo po\u0161kodenie.<\/li>\n\n\n\n<li>Skontrolujte sekund\u00e1rne svorky, \u010di nie s\u00fa uvo\u013enen\u00e9, skorodovan\u00e9 alebo \u010di nevykazuj\u00fa abnorm\u00e1lne zahrievanie.<\/li>\n\n\n\n<li>Skontrolujte, \u010di sa trojf\u00e1zov\u00e9 k\u00e1ble alebo sbernice nedot\u00fdkaj\u00fa alebo netr\u00fa o vn\u00fatorn\u00fa stenu otvoru.<\/li>\n\n\n\n<li>Potvr\u010fte, \u017ee sekund\u00e1rne zapojenie zost\u00e1va bezpe\u010dn\u00e9 a bez prehrievania alebo zmeny farby.<\/li>\n\n\n\n<li>Zabezpe\u010dte, aby sekund\u00e1rny obvod zostal uzavret\u00fd a spo\u013eahlivo uzemnen\u00fd.<\/li>\n\n\n\n<li>Periodicky testujte izola\u010dn\u00fd odpor a presnos\u0165 detekcie pr\u00fadov zvodov\u00e9ho pr\u00fadu.<\/li>\n\n\n\n<li>Oververte correctn\u00fa funk\u010dnos\u0165 pripojen\u00fdch ochrann\u00fdch a zemnospojn\u00fdch v\u00fdberov\u00fdch zariaden\u00ed.<\/li>\n\n\n\n<li>Vy\u010distite transform\u00e1tor od prachu a ne\u010dist\u00f4t.<\/li>\n\n\n\n<li>Udr\u017eujte clonu bez cudz\u00edch predmetov.<\/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>Ak sa zist\u00ed praskanie, elektrick\u00fd v\u00fdboj, prehriatie, abnorm\u00e1lna presnos\u0165 merania alebo chyba sekund\u00e1rneho obvodu, okam\u017eite vypnite nap\u00e1janie a skontrolujte zariadenie. V pr\u00edpade potreby vyme\u0148te transform\u00e1tor.<\/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 vinutie nesmie by\u0165 nikdy ponechan\u00e9 otvoren\u00e9, k\u00fdm je monitorovan\u00fd prim\u00e1rny obvod pod nap\u00e4t\u00edm. Otvoren\u00fd sekund\u00e1rny obvod m\u00f4\u017ee generova\u0165 nebezpe\u010dn\u00e9 prep\u00e4tie a predstavova\u0165 v\u00e1\u017ene riziko pre zariadenie a person\u00e1l.<\/li>\n\n\n\n<li>Pri \u00fadr\u017ebe mus\u00ed by\u0165 sekund\u00e1rny obvod pred odpojen\u00edm bezpe\u010dne skratovan\u00fd a uzemnen\u00fd.<\/li>\n\n\n\n<li>Prepravou a in\u0161tal\u00e1ciou sa vyhnite n\u00e1razom alebo kol\u00edzi\u00e1m s telesom z epoxidovej \u017eivice a vn\u00fatorn\u00fdm otvorom. Mechanick\u00e9 po\u0161kodenie m\u00f4\u017ee zn\u00ed\u017ei\u0165 izola\u010dn\u00fd v\u00fdkon alebo zmeni\u0165 rozmery otvoru.<\/li>\n\n\n\n<li>Pri in\u0161tal\u00e1cii k\u00e1blov alebo zbern\u00edc nepo\u0161kriabte izola\u010dn\u00fd povrch vo vn\u00fatri otvoru.<\/li>\n\n\n\n<li>Trojf\u00e1zov\u00e9 vodi\u010de musia prech\u00e1dza\u0165 transform\u00e1torom v rovnakom smere a mali by by\u0165 umiestnen\u00e9 koncentricky v otvore.<\/li>\n\n\n\n<li>Vyberte priemer otvoru vhodn\u00fd pre vonkaj\u0161ie rozmery zv\u00e4zku k\u00e1blov alebo usporiadania zbern\u00edc. Nen\u00fa\u0165te cez otvor nadrozmern\u00e9 vodi\u010de.<\/li>\n\n\n\n<li>Zabr\u00e1\u0148te pohybu a treniu k\u00e1blov alebo sbern\u00edc o stenu otvoru po\u010das prev\u00e1dzky, preto\u017ee to m\u00f4\u017ee po\u0161kodi\u0165 izol\u00e1ciu a sp\u00f4sobi\u0165 riziko v\u00fdboja alebo skratu.<\/li>\n\n\n\n<li>Zariadenie mus\u00ed by\u0165 spo\u013eahlivo uzemnen\u00e9. Uzem\u0148ovacia svorka na mont\u00e1\u017enej konzole 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 elektrik\u00e1ri v s\u00falade s platn\u00fdmi predpismi o bezpe\u010dnosti elektrick\u00fdch in\u0161tal\u00e1ci\u00ed.<\/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>LXK-80\u2013300\u96f6\u5e8f\u7535\u6d41\u4e92\u611f\u5668<\/td><td>Hlavn\u00e9 zariadenie na transform\u00e1ciu zvodov\u00e9ho pr\u00fadu, elektrick\u00fa izol\u00e1ciu a zber sign\u00e1lov<\/td><\/tr><tr><td>2<\/td><td>Mont\u00e1\u017ene skrutky a podlo\u017eky<\/td><td>Pou\u017e\u00edva sa na zaistenie transform\u00e1tora po\u010das in\u0161tal\u00e1cie<\/td><\/tr><tr><td>3<\/td><td>Prieh\u013eadn\u00fd kryt sekund\u00e1rneho termin\u00e1lu<\/td><td>Chr\u00e1ni sekund\u00e1rne svorky a pom\u00e1ha predch\u00e1dza\u0165 nespr\u00e1vnemu pripojeniu alebo skratom<\/td><\/tr><tr><td>4<\/td><td>N\u00e1vod na pou\u017eitie<\/td><td>Poskytuje pokyny na in\u0161tal\u00e1ciu, prev\u00e1dzku, \u00fadr\u017ebu a vedenie vodi\u010dov<\/td><\/tr><tr><td>5<\/td><td>Certifik\u00e1t produktu a tov\u00e1rensk\u00e1 sk\u00fa\u0161obn\u00e1 spr\u00e1va<\/td><td>Poskytuje dokument\u00e1ciu kvality a v\u00fdkonu produktu, vr\u00e1tane \u00fadajov z testov pomeru, presnosti a citlivosti.<\/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:<\/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>GB\/T 20840.2 <em>Pr\u00edstrojov\u00e9 transform\u00e1tory \u2014 \u010cas\u0165 2: Dodato\u010dn\u00e9 po\u017eiadavky na pr\u00fadov\u00e9 transform\u00e1tory<\/em><\/li>\n\n\n\n<li>DL\/T 866, <em>K\u00f3d pre v\u00fdber a v\u00fdpo\u010det pr\u00fadov\u00fdch transform\u00e1torov a nap\u00e4\u0165ov\u00fdch transform\u00e1torov<\/em><\/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 jeho v\u00fdkon sp\u013a\u0148a po\u017eiadavky na ochranu proti zemn\u00e9mu spojeniu v vn\u00fatorn\u00fdch silov\u00fdch syst\u00e9moch 10 kV a 35 kV.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"987\" height=\"911\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LXK-80\u2013300-Zero-Sequence-Current-Transformer\uff081\uff09.webp\" alt=\"LXK-80\u2013300\u96f6\u5e8f\u7535\u6d41\u4e92\u611f\u5668\uff081\uff09\" class=\"wp-image-2576\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LXK-80\u2013300-Zero-Sequence-Current-Transformer\uff081\uff09.webp 987w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LXK-80\u2013300-Zero-Sequence-Current-Transformer\uff081\uff09-300x277.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LXK-80\u2013300-Zero-Sequence-Current-Transformer\uff081\uff09-768x709.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LXK-80\u2013300-Zero-Sequence-Current-Transformer\uff081\uff09-13x12.webp 13w\" sizes=\"(max-width: 987px) 100vw, 987px\" \/><\/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 LXK-80\u2013300 Zero-Sequence Current Transformer is an epoxy resin cast current transformer designed for indoor 10 kV and [&hellip;]<\/p>\n","protected":false},"featured_media":2575,"template":"","meta":{"_acf_changed":false,"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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systems.<\/span><\/p>","pdf_file":"","related_products":{"products":""},"technical_parameter":"","outline_and_installation_dimension":""},"_links":{"self":[{"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/products\/1637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/types\/products"}],"acf:attachment":[{"embeddable":true,"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/media\/2575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/media\/2575"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/media?parent=1637"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/product_category?post=1637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}