{"id":1634,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&p=1634"},"modified":"2026-09-16T04:50:13","modified_gmt":"2026-09-16T04:50:13","slug":"zero-sequence-current-transformers","status":"publish","type":"products","link":"https:\/\/yieou.com\/sk\/product\/zero-sequence-current-transformers\/","title":{"rendered":"LMZC-10 a LMZK1-10 nulov\u00e9 pr\u00fadov\u00e9 transform\u00e1tory"},"content":{"rendered":"

Preh\u013ead produktu<\/h2>\n\n\n\n

Nulov\u00e9 pr\u00fadov\u00e9 transform\u00e1tory LMZC-10 a LMZK1-10<\/a> priechodn\u00e9 epoxidov\u00e9 odlievan\u00e9 pr\u00fadov\u00e9 transform\u00e1tory s\u00fa ur\u010den\u00e9 pre vn\u00fatorn\u00e9 10 kV striedav\u00e9 silov\u00e9 syst\u00e9my s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 kV.<\/p>\n\n\n\n

S toroid\u00e1lnym magnetick\u00fdm jadrom a integrovanou izola\u010dnou \u0161trukt\u00farou sa transform\u00e1tory pou\u017e\u00edvaj\u00fa predov\u0161etk\u00fdm 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

S\u00fa \u0161iroko pou\u017e\u00edvan\u00e9 v 10 kV strednom nap\u00e4t\u00ed switchgear<\/a>, rozdzielnice pier\u015bcieniowe, stacje transformatorowe typu skrzynkowego, puszki odga\u0142\u0119\u017ane kablowe i inne urz\u0105dzenia dystrybucyjne. Produkty te stanowi\u0105 kluczowe elementy akwizycji sygna\u0142u w systemach zabezpiecze\u0144 ziemnozwarciowych w sieciach elektroenergetycznych.<\/p>\n\n\n\n

Funkcie produktu<\/h2>\n\n\n\n

Izol\u00e1cia a elektrick\u00fd v\u00fdkon<\/h3>\n\n\n\n
    \n
  • Epoxidov\u00e1 \u017eivica liata izol\u00e1cia:<\/strong>
    Transform\u00e1tor je vyroben\u00fd procesom v\u00e1kuov\u00e9ho odlievania epoxidovou \u017eivicou. Pevn\u00e1 izol\u00e1cia neobsahuje \u017eiadne vn\u00fatorn\u00e9 vzduchov\u00e9 medzery a poskytuje vynikaj\u00face dielektrick\u00e9 vlastnosti.<\/li>\n\n\n\n
  • Vhodn\u00e9 pre syst\u00e9my 12 kV:<\/strong>
    Transform\u00e1tor sp\u013a\u0148a po\u017eiadavky na odolnos\u0165 vo\u010di nap\u00e4tiu pri frekvencii 10 kV a pri impulznom nap\u00e4t\u00ed pri blesku pre syst\u00e9my 10 kV s maxim\u00e1lnym nap\u00e4t\u00edm syst\u00e9mu 12 kV.<\/li>\n\n\n\n
  • Bezolejov\u00e1 such\u00e1 kon\u0161trukcia:<\/strong>
    V\u00fdrobok<\/li>\n\n\n\n
  • Vysoko citliv\u00e1 detekcia zvodov\u00e9ho pr\u00fadu:<\/strong>
    Vysoko kvalitn\u00e9 toroid\u00e1lne jadro z krem\u00edkovej ocele zais\u0165uje n\u00edzky budiaci pr\u00fad a vysok\u00fa citlivos\u0165. Transform\u00e1tor dok\u00e1\u017ee presne detekova\u0165 pr\u00fad nulovej sekvencie generovan\u00fd po\u010das jednof\u00e1zov\u00e9ho zemn\u00e9ho skratu.<\/li>\n\n\n\n
  • Kompatibiln\u00e9 so syst\u00e9mami ochrany proti zemn\u00e9mu spojeniu:<\/strong>
    V\u00fdstupn\u00fd sign\u00e1l je mo\u017en\u00e9 privies\u0165 do n\u00edzko-pr\u00fadov\u00fdch zariaden\u00ed na v\u00fdber zemn\u00fdch por\u00fach, rel\u00e9 na ochranu nulov\u00e9ho sledu a syst\u00e9mov na monitorovanie izol\u00e1cie.<\/li>\n\n\n\n
  • \u0160tandardn\u00fd k\u00e1blov\u00fd otvor:<\/strong>
    Centr\u00e1lna clona je navrhnut\u00e1 pre be\u017ene pou\u017e\u00edvan\u00e9 10 kV k\u00e1ble a zbernice. Trojf\u00e1zov\u00e9 k\u00e1ble alebo zbernice m\u00f4\u017eu prech\u00e1dza\u0165 priamo cez clonu bez dodato\u010dn\u00fdch prim\u00e1rnych pripojen\u00ed.<\/li>\n\n\n\n
  • N\u00edzky \u010diasto\u010dn\u00fd v\u00fdboj<\/strong>
    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<\/ul>\n\n\n\n

    Kon\u0161truk\u010dn\u00e9 a in\u0161tala\u010dn\u00e9 vlastnosti<\/h3>\n\n\n\n
      \n
    • Plne uzatvoren\u00e1 such\u00e1 kon\u0161trukcia:<\/strong>
      Magnetick\u00e9 jadro a sekund\u00e1rne vinutie s\u00fa \u00faplne uzavret\u00e9 v tele odliatom z epoxidovej \u017eivice.<\/li>\n\n\n\n
    • IP20 ochrann\u00e9 krytie:<\/strong>
      Produkt m\u00e1 stupe\u0148 kryt\u00ed IP20 a je vhodn\u00fd pro instalaci uvnit\u0159 vnit\u0159n\u00edch za\u0159\u00edzen\u00ed vysok\u00e9ho nap\u011bt\u00ed.<\/li>\n\n\n\n
    • Kompaktn\u00e1 kon\u0161trukcia<\/strong>
      Jeho mal\u00fd p\u00f4dorys zni\u017euje potrebn\u00fd priestor na in\u0161tal\u00e1ciu a je kompatibiln\u00fd so \u0161tandardn\u00fdmi rozlo\u017eeniami rozv\u00e1dza\u010dov 10 kV.<\/li>\n\n\n\n
    • Priechodn\u00e1 kruhov\u00e1 \u0161trukt\u00fara<\/strong>
      Trojf\u00e1zov\u00e9 k\u00e1ble alebo zbernice prech\u00e1dzaj\u00fa priamo stredov\u00fdm otvorom, \u010do umo\u017e\u0148uje z\u00edskavanie pr\u00fadu nulovej sekvencie bez dod<\/li>\n\n\n\n
    • Zjednodu\u0161en\u00e9 usporiadanie prim\u00e1rneho okruhu:<\/strong>
      Priechodzia kon\u0161trukcia zni\u017euje postupy in\u0161tal\u00e1cie a minimalizuje po\u010det potenci\u00e1lnych spojovac\u00edch a poruchov\u00fdch bodov.<\/li>\n\n\n\n
    • Jasne okre\u015blona polaryzacja:<\/strong>
      Strana vstupu k\u00e1bla je ozna\u010den\u00e1 P1, aby sa ozna\u010dil po\u017eadovan\u00fd smer pr\u00fadu a polarita.<\/li>\n\n\n\n
    • Chr\u00e1nen\u00e9 sekund\u00e1rne svorky:<\/strong>
      Sekund\u00e1rne svorky s\u00fa jasne ozna\u010den\u00e9 a chr\u00e1nen\u00e9 prieh\u013eadn\u00fdm krytom svoriek, \u010d\u00edm sa zni\u017euje riziko nespr\u00e1vneho zapojenia, skratov a n\u00e1hodn\u00e9ho odpojenia.<\/li>\n\n\n\n
    • Flexibiln\u00e1 in\u0161tal\u00e1cia:<\/strong>
      Kovov\u00fd mont\u00e1\u017eny dr\u017eiak podporuje horizont\u00e1lnu alebo vertik\u00e1lnu mont\u00e1\u017e skrutiek vo vn\u00fatri rozv\u00e1dza\u010da.<\/li>\n\n\n\n
    • Vysok\u00e1 mechanick\u00e1 stabilita:<\/strong>
      Mont\u00e1\u017ena kon\u0161trukcia zais\u0165uje bezpe\u010dn\u00fa in\u0161tal\u00e1ciu a spo\u013eahliv\u00fa odolnos\u0165 proti vibr\u00e1ci\u00e1m.<\/li>\n<\/ul>\n\n\n\n

      Prev\u00e1dzkov\u00e9 a \u00fadr\u017ebov\u00e9 funkcie<\/h3>\n\n\n\n
        \n
      • N\u00edzko\u00fadr\u017ebov\u00e1 prev\u00e1dzka:<\/strong>
        Bezolejov\u00e1 kon\u0161trukcia such\u00e9ho typu eliminuje \u00faniky a potrebu \u00fadr\u017eby izola\u010dn\u00e9ho oleja. Telo z epoxidovej \u017eivice poskytuje vysok\u00fa mechanick\u00fa pevnos\u0165, odolnos\u0165 proti n\u00e1razom a starnutiu.<\/li>\n\n\n\n
      • \u0160irok\u00fd rozsah prev\u00e1dzkov\u00fdch tepl\u00f4t:<\/strong>
        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 pri vysok\u00fdch a n\u00edzkych teplot\u00e1ch.<\/li>\n\n\n\n
      • Kon\u0161trukcia s vysokou spo\u013eahlivos\u0165ou:<\/strong>
        Magnetick\u00e9 jadro je vyroben\u00e9 z kvalitn\u00fdch plechov z krem\u00edkovej ocele, zatia\u013e \u010do sekund\u00e1rne vinutie je navinut\u00e9 meden\u00fdm lakovan\u00fdm dr\u00f4tom.<\/li>\n\n\n\n
      • N\u00edzke prev\u00e1dzkov\u00e9 straty:<\/strong>
        Optimalizovan\u00e9 jadro a \u0161trukt\u00fara vinutia poskytuj\u00fa n\u00edzke straty, obmedzen\u00fd n\u00e1rast teploty a stabiln\u00fa presnos\u0165 z\u00edskavania sign\u00e1lu.<\/li>\n\n\n\n
      • Spo\u013eahliv\u00e1 prev\u00e1dzka ochrany:<\/strong>
        Transform\u00e1tor odol\u00e1 prep\u00e4\u0165ov\u00fdm r\u00e1zom pri sp\u00ednan\u00ed a \u00fa\u010dinkom skratov\u00fdch pr\u00fadov v r\u00e1mci svojich \u0161pecifikovan\u00fdch hodn\u00f4t, \u010d\u00edm podporuje spo\u013eahliv\u00fa ochranu proti zemn\u00e9mu spojeniu.<\/li>\n<\/ul>\n\n\n\n

        Technical Specifications<\/h2>\n\n\n\n

        Elektrick\u00e9 parametre<\/h3>\n\n\n\n
        Parameter<\/th>\u0160pecifik\u00e1cia<\/th><\/tr><\/thead>
        Pou\u017eite\u013en\u00e9 nap\u00e4tie syst\u00e9mu<\/td>10 kV striedav\u00e9ho pr\u00fadu, Um = 12 kV<\/td><\/tr>
        Menovit\u00e1 frekvencia<\/td>50 Hz<\/td><\/tr>
        Menovit\u00fd nulov\u00fd pr\u00fad<\/td>Prisp\u00f4soben\u00e9 pod\u013ea syst\u00e9mov\u00e9ho zemn\u00e9ho pr\u00fadov\u00e9ho za\u0165a\u017eenia, napr\u00edklad 100\u20131 000 A<\/td><\/tr>
        Menovit\u00fd sekund\u00e1rny pr\u00fad<\/td>5 A alebo 1 A, prisp\u00f4sobite\u013en\u00e9<\/td><\/tr>
        Triednos\u0165 ochrany<\/td>10P10 \/ 10P15, prisp\u00f4sobite\u013en\u00e9<\/td><\/tr>
        Nap\u00e4\u0165ov\u00e1 sk\u00fa\u0161ka s frekvenciou siete<\/td>42 kV po dobu 1 min\u00faty, bez prierazu<\/td><\/tr>
        Impulzn\u00e1 odolnos\u0165 vo\u010di prep\u00e4tiu<\/td>75 kV \u0161pi\u010dkovo, bez prierazu<\/td><\/tr>
        \u010ciasto\u010dn\u00fd v\u00fdboj<\/td>\u226410 pC<\/td><\/tr>
        Izola\u010dn\u00fd odpor<\/td>\u22651,000 M\u03a9 between the primary circuit, secondary circuit, and earth<\/td><\/tr>
        Citlivost nulov\u00e9ho pr\u00fadu<\/td>Schopn\u00fd detekova\u0165 pr\u00fad zemn\u00e9ho spojenia 0,5 A alebo vy\u0161\u0161\u00ed, prisp\u00f4sobite\u013en\u00fd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        Kon\u0161truk\u010dn\u00e9 a materi\u00e1lov\u00e9 parametre<\/h3>\n\n\n\n
        Parameter<\/th>\u0160pecifik\u00e1cia<\/th><\/tr><\/thead>
        Izola\u010dn\u00fd materi\u00e1l<\/td>Plne vytvrden\u00e1 epoxidov\u00e1 \u017eivica<\/td><\/tr>
        Ochrann\u00e9 hodnotenie<\/td>IP20<\/td><\/tr>
        Centr\u00e1lna clona<\/td>\u0160tandardn\u00fd otvor vhodn\u00fd pre k\u00e1ble alebo zbernice 10 kV<\/td><\/tr>
        Typ in\u0161tal\u00e1cie<\/td>Vn\u00fatorn\u00e9 upevnenie na pevn\u00fd skrutkov\u00fd spoj<\/td><\/tr>
        Tepeln\u00e1 trieda<\/td>Trieda B, 130 \u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        Environment\u00e1lne parametre<\/h3>\n\n\n\n
        Parameter<\/th>\u0160pecifik\u00e1cia<\/th><\/tr><\/thead>
        V\u00fd\u0161ka in\u0161tal\u00e1cie<\/td>\u22642 000 m; dostupn\u00e9 verzie pre vysokohorsk\u00e9 prostredie<\/td><\/tr>
        Prev\u00e1dzkov\u00e1 teplota<\/td>-30 \u00b0C a\u017e +70 \u00b0C<\/td><\/tr>
        Teplota skladovania<\/td>-40 \u00b0C a\u017e +85 \u00b0C<\/td><\/tr>
        Relat\u00edvna vlhkos\u0165<\/td>\u226495%, nekondenzuj\u00faca<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        Platn\u00e9 normy<\/h3>\n\n\n\n
        \ud45c\uc900<\/th>Popis<\/th><\/tr><\/thead>
        GB 1208<\/td>Aktu\u00e1lne transform\u00e1tory<\/td><\/tr>
        GB\/T 20840 \u7cfb\u5217<\/td>Pr\u00edstrojov\u00e9 transform\u00e1tory<\/td><\/tr>
        DL\/T 866<\/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

        Aplik\u00e1cie<\/h2>\n\n\n\n

        Platn\u00e9 nap\u00e4tie<\/h3>\n\n\n\n

        Transform\u00e1tory nulov\u00e9ho sekvencov\u00e9ho proudu LMZC-10 a LMZK1-10 jsou vhodn\u00e9 pro vnit\u0159n\u00ed silnoproud\u00e9 syst\u00e9my 10 kV AC s maxim\u00e1ln\u00edm syst\u00e9mov\u00fdm nap\u011bt\u00edm 12 kV.<\/p>\n\n\n\n

        Typick\u00e9 aplik\u00e1cie<\/h3>\n\n\n\n
          \n
        • Jednof\u00e1zov\u00e1 detekcia zemn\u00e9ho spojenia v interi\u00e9rovej rozvodni stredn\u00e9ho nap\u00e4tia 10 kV<\/li>\n\n\n\n
        • Ochrana proti zemn\u00e9mu spojeniu v prstencov\u00fdch sie\u0165ov\u00fdch jednotk\u00e1ch<\/li>\n\n\n\n
        • Monitorovanie zemn\u00fdch skratov v skri\u0148ov\u00fdch transform\u00e1torov\u00fdch staniciach<\/li>\n\n\n\n
        • K\u00e1blov\u00e9 odbo\u010dn\u00e9 krabice<\/li>\n\n\n\n
        • Rozvodn\u00e9 a prep\u00ednacie stanice<\/li>\n\n\n\n
        • 10 kV rozvodn\u00e9 syst\u00e9my v priemyseln\u00fdch a bansk\u00fdch podnikoch<\/li>\n\n\n\n
        • Komercijalne zgrade i industrijski parkovi<\/li>\n\n\n\n
        • Syst\u00e9my na v\u00fdber vedenia pri zemn\u00fdch skratoch s n\u00edzkym pr\u00fadom<\/li>\n\n\n\n
        • Zariadenia nulov\u00e9ho sledu<\/li>\n\n\n\n
        • Monitorovanie zemn\u00fdch por\u00fach pre k\u00e1blov\u00e9 a zbernicov\u00e9 obvody<\/li>\n<\/ul>\n\n\n\n

          Hlavn\u00e9 funkcie<\/h3>\n\n\n\n

          Transform\u00e1tor detekuje nulov\u00fd pr\u00fad generovan\u00fd trojf\u00e1zov\u00fdm syst\u00e9mom a dod\u00e1va zodpovedaj\u00faci sekund\u00e1rny pr\u00fadov\u00fd sign\u00e1l do:<\/p>\n\n\n\n

            \n
          • Rel\u00e9 na nulov\u00fa sekvenciu<\/li>\n\n\n\n
          • N\u00edzkonapr\u00fadov\u00e9 zariadenia na v\u00fdber vedenia pri zemnom spojen\u00ed<\/li>\n\n\n\n
          • Zariadenie na monitorovanie izol\u00e1cie<\/li>\n\n\n\n
          • Syst\u00e9my ochrany a riadenia<\/li>\n\n\n\n
          • Automatiza\u010dn\u00e9 zariadenia na pohon<\/li>\n<\/ul>\n\n\n\n

            Produkt podporuje:<\/p>\n\n\n\n

              \n
            • Jednof\u00e1zov\u00e1 detekcia zemn\u00e9ho spojenia<\/li>\n\n\n\n
            • Identifik\u00e1cia chybn\u00e9ho vedenia<\/li>\n\n\n\n
            • Lokaliz\u00e1cia zemn\u00e9ho spojenia<\/li>\n\n\n\n
            • Ochrana proti zemn\u00e9mu pr\u00fadu<\/li>\n\n\n\n
            • Monitorovanie izol\u00e1cie<\/li>\n\n\n\n
            • Z\u00edskanie ochrann\u00e9ho sign\u00e1lu<\/li>\n<\/ul>\n\n\n\n

              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

              Prev\u00e1dzkov\u00e9 podmienky<\/h2>\n\n\n\n

              Norm\u00e1lne prev\u00e1dzkov\u00e9 podmienky<\/h3>\n\n\n\n
                \n
              • In\u0161tala\u010dn\u00e1 v\u00fd\u0161ka: maxim\u00e1lne 2 000 m<\/li>\n\n\n\n
              • Okolit\u00e1 teplota: -30 \u00b0C a\u017e +70 \u00b0C<\/li>\n\n\n\n
              • Vyhnite sa prudk\u00fdm alebo n\u00e1hlym zmen\u00e1m teploty.<\/li>\n\n\n\n
              • Relat\u00edvna vlhkos\u0165: maxim\u00e1lne 95 %, nekondenzuj\u00faca<\/li>\n\n\n\n
              • Prostredie by malo by\u0165 bez koroz\u00edvnych plynov<\/li>\n\n\n\n
              • Hor\u013eav\u00e9 alebo v\u00fdbu\u0161n\u00e9 l\u00e1tky nie s\u00fa povolen\u00e9<\/li>\n\n\n\n
              • Siln\u00e9 vibr\u00e1cie a mechanick\u00e9 n\u00e1razy by sa mali vyhn\u00fa\u0165<\/li>\n\n\n\n
              • Treba sa vyhn\u00fa\u0165 v\u00fdznamn\u00e9mu zne\u010disteniu prachom a so\u013enou hmlou<\/li>\n\n\n\n
              • Vn\u00fatorn\u00e1 pevn\u00e1 in\u0161tal\u00e1cia<\/li>\n\n\n\n
              • Priamemu slne\u010dn\u00e9mu \u017eiareniu, da\u017e\u010fu a kondenz\u00e1cii sa treba vyhn\u00fa\u0165<\/li>\n<\/ul>\n\n\n\n

                \u0160peci\u00e1lne prev\u00e1dzkov\u00e9 podmienky<\/h3>\n\n\n\n

                Prisp\u00f4soben\u00e9 produkty s\u00fa potrebn\u00e9 pre:<\/p>\n\n\n\n

                  \n
                • Nadmo\u0159sk\u00e9 v\u00fd\u0161ky instalace nad 2 000 m<\/li>\n\n\n\n
                • Teploty okolia mimo rozsah -30 \u00b0C a\u017e +70 \u00b0C<\/li>\n\n\n\n
                • \u0164a\u017ek\u00e9 zne\u010distenie alebo prostredie so slanou hmlou<\/li>\n\n\n\n
                • Chemicky korozivn\u00ed prost\u0159ed\u00ed<\/li>\n\n\n\n
                • Aplik\u00e1cie zah\u0155\u0148aj\u00face siln\u00e9 vibr\u00e1cie alebo mechanick\u00e9 n\u00e1razy<\/li>\n\n\n\n
                • Nestandardn\u00e9 rozmery stredov\u00e9ho otvoru<\/li>\n\n\n\n
                • \u0160peci\u00e1lna citlivos\u0165 na nulov\u00fd pr\u00fad<\/li>\n\n\n\n
                • \u0160peci\u00e1lne triedy presnosti<\/li>\n<\/ul>\n\n\n\n

                  In\u0161tal\u00e1cia a \u00fadr\u017eba<\/h2>\n\n\n\n

                  Po\u017eiadavky na in\u0161tal\u00e1ciu<\/h3>\n\n\n\n
                    \n
                  1. Predin\u0161tala\u010dn\u00e1 kontrola:<\/strong>
                    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 a polarity jasn\u00e9 a \u010di je dodan\u00e9 pr\u00edslu\u0161enstvo kompletn\u00e9. Overte, \u017ee model, \u0161pecifik\u00e1cie a rozmery stredov\u00e9ho otvoru zodpovedaj\u00fa n\u00e1vrhu syst\u00e9mu. Potvr\u010fte, \u017ee \u0161pecifikovan\u00e1 citlivos\u0165 sp\u013a\u0148a po\u017eiadavky na ochranu proti zemn\u00e9mu spojeniu.<\/li>\n\n\n\n
                  2. Mont\u00e1\u017e:<\/strong>
                    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. M\u00f4\u017ee by\u0165 namontovan\u00fd horizont\u00e1lne alebo vertik\u00e1lne pod\u013ea kon\u0161trukcie zariadenia. Vyhnite sa nerovnomern\u00e9mu mechanick\u00e9mu za\u0165a\u017eeniu alebo nadmern\u00e9mu nam\u00e1haniu telesa z liatej \u017eivice.<\/li>\n\n\n\n
                  3. Prim\u00e1rna in\u0161tal\u00e1cia k\u00e1bla alebo s\u00fapravnice:<\/strong>
                    Preve<\/li>\n\n\n\n
                  4. Sekund\u00e1rne pripojenie:<\/strong>
                    Sekund\u00e1rne svorky pripojte k rel\u00e9 nulovej sekvencie alebo k zariadeniu na v\u00fdber vedenia pri n\u00edzko-pr\u00fadovej zemnej poruche pod\u013ea ich ozna\u010denia. Sekund\u00e1rny obvod nesmie zosta\u0165 otvoren\u00fd, ak je pr\u00edtomn\u00fd prim\u00e1rny pr\u00fad. Jeden bod sekund\u00e1rneho obvodu mus\u00ed by\u0165 spo\u013eahlivo uzemnen\u00fd v s\u00falade s n\u00e1vrhom syst\u00e9mu a platn\u00fdmi po\u017eiadavkami na elektrick\u00fa bezpe\u010dnos\u0165.<\/li>\n\n\n\n
                  5. Kontrola izol\u00e1cie:<\/strong>
                    Po in\u0161tal\u00e1cii zmerajte izola\u010dn\u00fd odpor medzi:
                    • Prim\u00e1rne vodi\u010de a sekund\u00e1rny obvod<\/li>
                    • Prim\u00e1rne vodi\u010de a zem<\/li>
                    • Sekund\u00e1rny obvod a zem<\/li><\/ul>Potvr<\/li>\n<\/ol>\n\n\n\n

                      Po\u017eiadavky na \u00fadr\u017ebu<\/h3>\n\n\n\n
                        \n
                      • Pravidelne kontrolujte epoxidov\u00e9 teleso na praskliny, mechanick\u00e9 po\u0161kodenia, stopy po v\u00fdbojoch a zne\u010distenie.<\/li>\n\n\n\n
                      • Skontrolujte stredov\u00fd otvor, \u010di neobsahuje cudzie predmety, opotrebenie alebo po\u0161kodenie izol\u00e1cie.<\/li>\n\n\n\n
                      • 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
                      • Pravidel<\/li>\n\n\n\n
                      • Potvr\u010fte, \u017ee sa k\u00e1ble alebo sbernice nedot\u00fdkaj\u00fa, netr\u00fa o stenu otvoru ani na \u0148u nevyp\u00fa\u0161\u0165aj\u00fa.<\/li>\n\n\n\n
                      • Zabezpe\u010dte, aby v\u0161etky sekund\u00e1rne pripojenia zostali bezpe\u010dn\u00e9 a bez prehrievania alebo zmeny farby.<\/li>\n\n\n\n
                      • Potvr\u010fte, \u017ee zemnenie sekund\u00e1rneho obvodu zost\u00e1va spo\u013eahliv\u00e9.<\/li>\n\n\n\n
                      • Periodicky testujte izola\u010dn\u00fd odpor a presnos\u0165 z\u00edskavania pr\u00fadov zvodov\u00e9ho pr\u00fadu.<\/li>\n\n\n\n
                      • Skontrolujte spr\u00e1vnu funkciu pripojen\u00fdch ochrann\u00fdch a v\u00fdberov\u00fdch zariaden\u00ed.<\/li>\n\n\n\n
                      • Vy\u010distite transform\u00e1tor od prachu a ne\u010dist\u00f4t.<\/li>\n\n\n\n
                      • Udr\u017eujte stredov\u00fd otvor bez cudz\u00edch predmetov.<\/li>\n\n\n\n
                      • Zabr\u00e1\u0148te kontaktu oleja a koroz\u00edvnych l\u00e1tok s epoxidov\u00fdm telesom.<\/li>\n\n\n\n
                      • Ak sa zist\u00ed prasknutie, elektrick\u00fd v\u00fdboj, prehriatie, abnorm\u00e1lna presnos\u0165 z\u00edskavania sign\u00e1lu alebo preru\u0161en\u00fd sekund\u00e1rny obvod, okam\u017eite vypnite a skontrolujte zariadenie.<\/li>\n\n\n\n
                      • Vyme\u0148te transform\u00e1tor, ak je to potrebn\u00e9. Pokra\u010dovanie prev\u00e1dzky so zn\u00e1mou chybou je zak\u00e1zan\u00e9.<\/li>\n<\/ul>\n\n\n\n

                        Opatrenia<\/h2>\n\n\n\n
                          \n
                        1. Sekund\u00e1rne vinutie nesmie by\u0165 nikdy ponechan\u00e9 otvoren\u00e9, ke\u010f je pr\u00edtomn\u00fd prim\u00e1rny pr\u00fad. 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 zariadenie a person\u00e1l.<\/li>\n\n\n\n
                        2. 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
                        3. Prepravou a in\u0161tal\u00e1ciou sa vyhnite n\u00e1razom alebo kol\u00edzi\u00e1m s telesom z epoxidovej \u017eivice a stredov\u00fdm otvorom. Mechanick\u00e9 po\u0161kodenie m\u00f4\u017ee zn\u00ed\u017ei\u0165 izola\u010dn\u00fd v\u00fdkon a ovplyvni\u0165 rozmerov\u00fa presnos\u0165.<\/li>\n\n\n\n
                        4. Pri in\u0161tal\u00e1cii trojf\u00e1zov\u00fdch k\u00e1blov alebo sbern\u00edc sa vyhnite po\u0161kriabaniu izola\u010dn\u00e9ho povrchu vo vn\u00fatri otvoru.<\/li>\n\n\n\n
                        5. K\u00e1ble alebo zbernice musia prech\u00e1dza\u0165 s\u00fastredne stredov\u00fdm otvorom a nesm\u00fa sa dot\u00fdka\u0165 jeho vn\u00fatornej steny.<\/li>\n\n\n\n
                        6. Zabezpe\u010dte k\u00e1ble alebo zbernice proti pohybu, vibr\u00e1ci\u00e1m alebo opakovan\u00e9mu kontaktu so stenou otvoru po\u010das prev\u00e1dzky.<\/li>\n\n\n\n
                        7. Potvr\u010fte, \u017ee rozmery otvoru s\u00fa kompatibiln\u00e9 s vonkaj\u0161\u00edm priemerom k<\/li>\n\n\n\n
                        8. Zariadenie mus\u00ed by\u0165 spo\u013eahlivo uzemnen\u00e9. Uzem\u0148ovacia svorka na mont\u00e1\u017enej z\u00e1kladni mus\u00ed by\u0165 pevne pripojen\u00e1 k uzem\u0148ovacej zbernici rozv\u00e1dza\u010da.<\/li>\n\n\n\n
                        9. Skladujte<\/li>\n\n\n\n
                        10. 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\n\n\n
                        11. Sekund\u00e1rne zapojenie mus\u00ed by\u0165 bezpe\u010dne pripojen\u00e9, aby sa zabr\u00e1nilo uvo\u013eneniu a n\u00e1hodn\u00e9mu preru\u0161eniu obvodu po\u010das prev\u00e1dzky.<\/li>\n<\/ol>\n\n\n\n

                          \u0160tandardn\u00fd zoznam dod\u00e1vok<\/h2>\n\n\n\n
                          Nie.<\/th>Predmet<\/th>Funkcia<\/th><\/tr><\/thead>
                          1<\/td>LMZC-10 \/ LMZK1-10 nulov\u00fd pr\u00fadov\u00fd transform\u00e1tor<\/td>Hlavn\u00e9 zariadenie na transform\u00e1ciu zvodov\u00e9ho pr\u00fadu, elektrick\u00fa izol\u00e1ciu a zber sign\u00e1lov<\/td><\/tr>
                          2<\/td>Mont\u00e1\u017ene skrutky a podlo\u017eky<\/td>Pou\u017e\u00edva sa na zaistenie pr\u00fadov\u00e9ho transform\u00e1tora nulovej sekvencie po\u010das in\u0161tal\u00e1cie<\/td><\/tr>
                          3<\/td>Prieh\u013eadn\u00fd kryt sekund\u00e1rneho termin\u00e1lu<\/td>Chr\u00e1ni sekund\u00e1rne svorky a pom\u00e1ha predch\u00e1dza\u0165 nespr\u00e1vnym pripojeniam alebo skratom<\/td><\/tr>
                          4<\/td>N\u00e1vod na pou\u017eitie<\/td>Poskytuje pokyny na in\u0161tal\u00e1ciu, prev\u00e1dzku, \u00fadr\u017ebu, zapojenie a vedenie k\u00e1blov<\/td><\/tr>
                          5<\/td>Certifik\u00e1t produktu a tov\u00e1rensk\u00e1 sk\u00fa\u0161obn\u00e1 spr\u00e1va<\/td>Poskytnite dokument\u00e1ciu kvality a v\u00fdkonu produktu vr\u00e1tane \u00fadajov z testov pomeru pr\u00fadov zos\u00faladen\u00fdch f\u00e1z, presnosti a citlivosti<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                          Platn\u00e9 normy a certifik\u00e1cia<\/h2>\n\n\n\n

                          V\u00fdrobok sp\u013a\u0148a nasleduj\u00face normy:<\/p>\n\n\n\n

                            \n
                          • GB 1208, Aktu\u00e1lne transform\u00e1tory<\/em><\/li>\n\n\n\n
                          • GB\/T 20840.1 Pr\u00edstrojov\u00e9 transform\u00e1tory \u2014 \u010cas\u0165 1: V\u0161eobecn\u00e9 po\u017eiadavky<\/em><\/li>\n\n\n\n
                          • GB\/T 20840.2 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
                          • DL\/T 866, 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

                            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\n\n

                            \"LMZC-10<\/figure>\n\n
                            \n\n\t\t\n
                              \n\t\t\t <\/ul>\n <\/div>","protected":false},"excerpt":{"rendered":"

                              Product Overview The LMZC-10 and LMZK1-10 Zero-Sequence Current Transformers are through-type epoxy resin cast current transformers designed for indoor 10 […]<\/p>\n","protected":false},"featured_media":2608,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_category":[30],"class_list":["post-1634","products","type-products","status-publish","has-post-thumbnail","hentry","product_category-instrument-transformer-series"],"acf":{"products_imagines":[2608],"short_describe":"

                              The LMZC-10 and LMZK1-10 Zero-Sequence Current Transformers are through-type epoxy resin cast current transformers designed for indoor 10 kV AC power systems with a maximum system voltage of 12 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\/1634","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\/2608"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/media\/2608"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/media?parent=1634"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/sk\/wp-json\/wp\/v2\/product_category?post=1634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}