{"id":1636,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1636"},"modified":"2026-09-16T04:47:07","modified_gmt":"2026-09-16T04:47:07","slug":"lxk-250-100-zero-sequence-current-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/sk\/product\/lxk-250-100-zero-sequence-current-transformer\/","title":{"rendered":"LXK-250\/100 Z\u00e1vodn\u00e1 nulov\u00e1 pr\u00fadov\u00e1 transform\u00e1torov\u00e1 jednotka"},"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\/\" data-type=\"link\" data-id=\"https:\/\/yieou.com\/products\/\">LXK-250\/100 nulov\u00fd pr\u00fadov\u00fd transform\u00e1tor typu pretek\u00e1rskej dr\u00e1hy<\/a> je pr\u00fadov\u00fd transform\u00e1tor s epoxidovou \u017eivicou navrhnut\u00fd pre vn\u00fatorn\u00e9 silov\u00e9 syst\u00e9my 10 kV AC s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 kV.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Transform\u00e1tor m\u00e1 podlhovast\u00fd ov\u00e1lny alebo ov\u00e1lny otvor pre k\u00e1ble v tvare pretek\u00e1rskej dr\u00e1hy, \u0161peci\u00e1lne navrhnut\u00fd na umiestnenie trojf\u00e1zov\u00fdch k\u00e1blov in\u0161talovan\u00fdch ved\u013ea seba. Pou\u017e\u00edva sa 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\">V\u00fdrobok sa \u0161iroko pou\u017e\u00edva 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, skrzynki rozga\u0142\u0119\u017ane kablowe i inne urz\u0105dzenia dystrybucji energii. Jest szczeg\u00f3lnie odpowiedni do przedzia\u0142\u00f3w kablowych rozdzielnic, gdzie wiele kabli jest u\u0142o\u017conych r\u00f3wnolegle.<\/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 neobsahuje izola\u010dn\u00fd olej, \u010d\u00edm sa eliminuj\u00fa rizik\u00e1 \u00faniku oleja, kontamin\u00e1cie oleja a po\u017eiarov s\u00favisiacich s olejom. Je vhodn\u00fd pre modern\u00e9 vn\u00fatorn\u00e9 bezolejov\u00e9 distribu\u010dn\u00e9 syst\u00e9my.<\/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, ktor\u00e1 poskytuje n\u00edzky budiaci pr\u00fad a vysok\u00fa magnetick\u00fa citlivos\u0165. Presne detekuje pr\u00fad nulovej sekvencie generovan\u00fd po\u010das jednof\u00e1zovej zemnej poruchy.<\/li>\n\n\n\n<li><strong>Kompatibiln\u00e9 so syst\u00e9mami ochrany proti zemn\u00e9mu spojeniu:<\/strong><br>Transform\u00e1tor m\u00f4\u017ee dod\u00e1va\u0165 pr\u00fadov\u00e9 sign\u00e1ly do n\u00edzko-pr\u00fadov\u00fdch zariaden\u00ed na v\u00fdber zemn\u00fdch por\u00fach, rel\u00e9 nulovej sekvencie, monitorovac\u00edch zariaden\u00ed a s\u00favisiacich ochrann\u00fdch zariaden\u00ed.<\/li>\n\n\n\n<li><strong>Ve\u013ek\u00fd otvor v tvare pretek\u00e1rskej dr\u00e1hy:<\/strong><br>Pred\u013a\u017een\u00fd otvor s rozmermi 250 \u00d7 100 mm pojme tri 10 kV k\u00e1ble usporiadan\u00e9 ved\u013ea seba. Tento dizajn je obzvl\u00e1\u0161\u0165 vhodn\u00fd pre hust\u00e9 k\u00e1blov\u00e9 syst\u00e9my, kde konven\u010dn\u00fd kruhov\u00fd otvor nem\u00f4\u017ee poskytn\u00fa\u0165 dostato\u010dn\u00fd priestor na in\u0161tal\u00e1ciu.<\/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 pri frekvencii v\u00fdkonu a prep\u00e4\u0165ov\u00e9mu impulzu pri blesku pre syst\u00e9my 10 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 neobsahuje \u017eiadne odkryt\u00e9 vn\u00fatorn\u00e9 nap\u00e1jan\u00e9 komponenty.<\/li>\n\n\n\n<li><strong>Kompaktn\u00e1 kon\u0161trukcia<\/strong><br>\u0160trukt\u00fara v tvare pretek\u00e1rskej dr\u00e1hy je vhodn\u00e1 na in\u0161tal\u00e1ciu v k\u00e1blov\u00fdch oddeleniach rozv\u00e1dza\u010dov, k\u00e1blov\u00fdch kan\u00e1loch a in\u00fdch oblastiach s husto usporiadan\u00fdmi k\u00e1blami.<\/li>\n\n\n\n<li><strong>Dizajn cez clonu:<\/strong><br>V\u0161etky trojf\u00e1zov\u00e9 k\u00e1ble 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>Priechodzia kon\u0161trukcia eliminuje dodato\u010dn\u00e9 prim\u00e1rne zapojenie, zjednodu\u0161uje in\u0161tal\u00e1ciu a zni\u017euje po\u010det spojovac\u00edch bodov a potenci\u00e1lnych por\u00fach.<\/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 zrete\u013ene ozna\u010den\u00e9 pre pohodln\u00e9 zapojenie. Usporiadanie svoriek je kompatibiln\u00e9 s be\u017en\u00fdmi po\u017eiadavkami na obvody nulovej sekvencie.<\/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 zemn\u00e9ho pr\u00fadov\u00e9ho ochrann\u00e9ho syst\u00e9mu.<\/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 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, 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>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>Rozmery clony<\/td><td>250 mm d\u013a\u017eka \u00d7 100 mm \u0161\u00edrka, ov\u00e1lneho tvaru<\/td><\/tr><tr><td>Typ in\u0161tal\u00e1cie<\/td><td>Vn\u00fatorn\u00e1 mont\u00e1\u017e na skrutky<\/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\u00e4tie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LXK-250\/100 je vhodn\u00fd pre vn\u00fatorn\u00e9 silov\u00e9 syst\u00e9my 10 kV AC s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 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 interi\u00e9rov\u00fdch rozvodn\u00fdch zariadeniach stredn\u00e9ho nap\u00e4tia 10 kV<\/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 rozvodn\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>Rozvodn\u00e9 skrine s husto usporiadan\u00fdmi k\u00e1blami<\/li>\n\n\n\n<li>K\u00e1blov\u00e9 \u017e\u013eaby a moderniza\u010dn\u00e9 projekty vy\u017eaduj\u00face priechod trojf\u00e1zov\u00fdch k\u00e1blov ved\u013ea seba na strane transform\u00e1tora<\/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\">Transform\u00e1tor detekuje 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<p class=\"wp-block-paragraph\">Ov\u00e1lna\u00a0otvor\u00a0je\u00a0zvl\u00e1\u0161\u0165\u00a0vhodn\u00fd\u00a0pre\u00a0trojf\u00e1z<\/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 pevn\u00e1 in\u0161tal\u00e1cia<\/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 rozmery 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, rozmery 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 kovovej konzole. Zaistite, aby bol transform\u00e1tor pevne nain\u0161talovan\u00fd bez uvo\u013enenia alebo posunutia. Mont\u00e1\u017ena poloha m\u00f4\u017ee by\u0165 horizont\u00e1lna alebo vertik\u00e1lna, ale nesmie sp\u00f4sobova\u0165 nerovnomern\u00e9 mechanick\u00e9 nam\u00e1hanie liateho telesa.<\/li>\n\n\n\n<li><strong>In\u0161tal\u00e1cia prim\u00e1rneho vodi\u010da:<\/strong><br>V\u0161etky tri f\u00e1zov\u00e9 k\u00e1ble prevle\u010dte cez otvor v tvare pretek\u00e1rskej dr\u00e1hy v rovnakom smere. K\u00e1ble usporiadajte rovnomerne vo vn\u00fatri otvoru, ak je to mo\u017en\u00e9. Vyhnite sa priamemu kontaktu k\u00e1blov so stenou otvoru. Po\u010das in\u0161tal\u00e1cie k\u00e1blov nepo\u0161kriabte ani nepo\u0161kodzujte izola\u010dn\u00fd povrch vo vn\u00fatri otvoru.<\/li>\n\n\n\n<li><strong>Uzemnenie k\u00e1bla:<\/strong><br>Tam, kde sa pou\u017e\u00edvaj\u00fa tienen\u00e9 k\u00e1ble, usporiadajte zemniace vodi\u010de pl\u00e1\u0161\u0165a k\u00e1bla pod\u013ea n\u00e1vrhu ochrann\u00e9ho syst\u00e9mu, aby ste zabr\u00e1nili zru\u0161eniu alebo nespr\u00e1vnej detekcii sign\u00e1lu pr\u00fadu nulovej sekvencie.<\/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 zapojen\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 dr\u00e1\u017eku v tvare pretek\u00e1rskej dr\u00e1hy, \u010di neobsahuje 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 nedot\u00fdkaj\u00fa ani neodieraj\u00fa o vn\u00fatorn\u00fa stenu otvoru.<\/li>\n\n\n\n<li>Potvr\u010fte, \u017ee k\u00e1ble zost\u00e1vaj\u00fa rovnomerne umiestnen\u00e9 vo vn\u00fatri otvoru.<\/li>\n\n\n\n<li>Skontrolujte, \u010di 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 prasknutie, elektrick\u00fd v\u00fdboj, prehriatie, abnorm\u00e1lna presnos\u0165 detekcie 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 otvorom v tvare pretek\u00e1rskej dr\u00e1hy. 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 nepo\u0161kriabte izola\u010dn\u00fd povrch vo vn\u00fatri otvoru.<\/li>\n\n\n\n<li>V\u0161etky tri f\u00e1zov\u00e9 k\u00e1ble musia prech\u00e1dza\u0165 transform\u00e1torom v rovnakom smere a mali by by\u0165 rovnomerne rozlo\u017een\u00e9 v otvore.<\/li>\n\n\n\n<li>Vyberte rozmery otvorov vhodn\u00e9 pre vonkaj\u0161\u00ed priemer a usporiadanie trojf\u00e1zov\u00fdch k\u00e1blov. Nepre\u0165ahujte cez otvor nadmerne ve\u013ek\u00e9 k\u00e1ble.<\/li>\n\n\n\n<li>Zabr\u00e1\u0148te pohybu a treniu k\u00e1blov 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-250\/100 Z\u00e1vodn\u00e1 nulov\u00e1 pr\u00fadov\u00e1 transform\u00e1torov\u00e1 jednotka<\/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 k\u00e1blov<\/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 produktov, vr\u00e1tane \u00fadajov z testov pomeru zvodov\u00e9ho pr\u00fadu, 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\">Produkt \u00faspe\u0161ne absolvoval pr\u00edslu\u0161n\u00e9 typov\u00e9 sk\u00fa\u0161ky a jeho v\u00fdkon sp\u013a\u0148a po\u017eiadavky na ochranu pred zemn\u00fdm skratom v vn\u00fatorn\u00fdch silov\u00fdch syst\u00e9moch 10 kV.<\/p>\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-250\/100 Racetrack-Type Zero-Sequence Current Transformer is an epoxy resin cast current transformer designed for indoor 10 kV [&hellip;]<\/p>\n","protected":false},"featured_media":2579,"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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kV.<\/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\/1636","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\/2579"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/media\/2579"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/media?parent=1636"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/product_category?post=1636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}