{"id":1103,"date":"2024-06-03T15:46:49","date_gmt":"2024-06-03T07:46:49","guid":{"rendered":"https:\/\/www.tflequip.com\/?post_type=products&p=1103"},"modified":"2024-09-26T13:50:28","modified_gmt":"2024-09-26T05:50:28","slug":"yfb3","status":"publish","type":"products","link":"https:\/\/www.tflequip.com\/sk\/products\/yfb3\/","title":{"rendered":"YFB3"},"content":{"rendered":"

Predstavte str\u00e1nku<\/h2>\n

Prachotesn\u00fd n\u00edzkonap\u00e4\u0165ov\u00fd trojf\u00e1zov\u00fd asynchr\u00f3nny motor s\u00e9rie YFB3
\n\u010c\u00edslo r\u00e1mu: H80-355
\nKapacita: 0,55 ~ 315 kW
\nPo\u010det p\u00f3lov: 2~10P
\nNap\u00e4tie: 720 V a menej<\/p>\n

 <\/p>\n

Strata motora \u010derpadla je pr\u00edli\u0161 vysok\u00e1, ako to urobi\u0165?<\/h2>\n
    \n
  1. Variabiln\u00e9 straty sa menia v z\u00e1vislosti od za\u0165a\u017eenia, vr\u00e1tane statorov\u00fdch str\u00e1t (straty medi), str\u00e1t rotorov\u00e9ho odporu a str\u00e1t kefov\u00e9ho odporu.<\/li>\n
  2. Pevn\u00e9 straty s\u00fa nez\u00e1visl\u00e9 od za\u0165a\u017eenia, vr\u00e1tane str\u00e1t v jadre a mechanick\u00fdch str\u00e1t. Strata v \u017eeleze sa sklad\u00e1 aj z hyster\u00e9znej straty a straty v\u00edriv\u00fdmi pr\u00fadmi, ktor\u00e1 je \u00famern\u00e1 \u0161tvorcu nap\u00e4tia a hyster\u00e9zna strata je nepriamo \u00famern\u00e1 frekvencii.<\/li>\n
  3. \u010eal\u0161\u00edmi rozpt\u00fdlen\u00fdmi stratami s\u00fa mechanick\u00e9 straty a in\u00e9 straty vr\u00e1tane str\u00e1t tren\u00edm v lo\u017eisk\u00e1ch a str\u00e1t sp\u00f4soben\u00fdch odporom vetra pri ot\u00e1\u010dan\u00ed ventil\u00e1torov, rotorov at\u010f.<\/li>\n<\/ol>\n

     <\/p>\n

    P\u00e4\u0165 opatren\u00ed na zn\u00ed\u017eenie str\u00e1t motora:<\/h2>\n

    Po prv\u00e9, strata statora: Hlavn\u00e9 sp\u00f4soby zn\u00ed\u017eenia statorov\u00fdch str\u00e1t motora I^2R s\u00fa:<\/p>\n

      \n
    1. Zv\u00e4\u010d\u0161ite plochu prierezu \u0161trbiny statora. V pr\u00edpade rovnak\u00e9ho vonkaj\u0161ieho priemeru statora sa zv\u00e4\u010d\u0161en\u00edm prierezu statorovej \u0161trbiny zmen\u0161\u00ed plocha magnetick\u00e9ho obvodu a zv\u00fd\u0161i magnetick\u00e1 hustota zubov.<\/li>\n
    2. zv\u00fd\u0161i\u0165 r\u00fdchlos\u0165 pln\u00e9ho \u0161trbiny statora, tento efekt mal\u00e9ho motora s n\u00edzkym nap\u00e4t\u00edm je lep\u0161\u00ed, pou\u017eitie najlep\u0161ej ve\u013ekosti vinutia a izol\u00e1cie, ve\u013ek\u00e1 plocha prierezu dr\u00f4tu m\u00f4\u017ee zv\u00fd\u0161i\u0165 r\u00fdchlos\u0165 \u0161trbiny statora.<\/li>\n
    3. \u010do najviac skr\u00e1ti\u0165 d\u013a\u017eku konca statorov\u00e9ho vinutia, strata na konci statorov\u00e9ho vinutia predstavuje 1\/4 ~ 1\/2 celkovej straty vinutia, skr\u00e1tenie d\u013a\u017eky konca vinutia m\u00f4\u017ee zlep\u0161i\u0165 \u00fa\u010dinnos\u0165 motora. Experimenty ukazuj\u00fa, \u017ee koncov\u00e1 d\u013a\u017eka sa zmen\u0161\u00ed o 20% a strata o 10%.<\/li>\n<\/ol>\n

      \u010do najviac skr\u00e1ti\u0165 d\u013a\u017eku konca statorov\u00e9ho vinutia, strata na konci statorov\u00e9ho vinutia predstavuje 1\/4 ~ 1\/2 celkovej straty vinutia, skr\u00e1tenie d\u013a\u017eky konca vinutia m\u00f4\u017ee zlep\u0161i\u0165 \u00fa\u010dinnos\u0165 motora. Experimenty ukazuj\u00fa, \u017ee koncov\u00e1 d\u013a\u017eka sa zmen\u0161\u00ed o 20% a strata o 10%.<\/p>\n

      1, pou\u017eitie tepeln\u00e9ho spracovania a kone\u010dnej \u00fapravy na zn\u00ed\u017eenie skratu povrchu rotora.<\/p>\n

      2, \u00faprava vn\u00fatorn\u00e9ho povrchu rotorovej dr\u00e1\u017eky izol\u00e1ciou.<\/p>\n

      3, Zn\u00ed\u017eenie harmonick\u00fdch zlep\u0161en\u00edm kon\u0161trukcie vinutia statora.<\/p>\n

      4, zlep\u0161enie kon\u0161trukcie a koordin\u00e1cie dr\u00e1\u017eky rotora na zn\u00ed\u017eenie harmonick\u00fdch, zv\u00fd\u0161enie pevn\u00fdch a rotorov\u00fdch zubov\u00fdch dr\u00e1\u017eok, kon\u0161trukcia tvaru dr\u00e1\u017eky rotora do \u0161ikmej dr\u00e1\u017eky, pou\u017eitie s\u00e9riov\u00e9ho s\u00ednusov\u00e9ho vinutia, rozlo\u017een\u00e9ho vinutia a vinutia na kr\u00e1tku vzdialenos\u0165 m\u00f4\u017ee v\u00fdrazne zn\u00ed\u017ei\u0165 vysok\u00e9 harmonick\u00e9; Je to \u00fa\u010dinn\u00e1 met\u00f3da na zn\u00ed\u017eenie dodato\u010dn\u00fdch bludn\u00fdch str\u00e1t pou\u017eit\u00edm magnetick\u00e9ho dr\u00e1\u017ekov\u00e9ho bahna alebo magnetick\u00e9ho dr\u00e1\u017ekov\u00e9ho klina namiesto tradi\u010dn\u00e9ho izolovan\u00e9ho dr\u00e1\u017ekov\u00e9ho klina a vyplnen\u00edm dr\u00e1\u017eky jadra statora motora magnetick\u00fdm dr\u00e1\u017ekov\u00fdm bahnom.<\/p>\n

      Po tretie, strata tren\u00edm vetra: strata tren\u00edm vetra predstavuje pribli\u017ene 25% z celkovej straty motora, mala by sa jej venova\u0165 n\u00e1le\u017eit\u00e1 pozornos\u0165. Straty tren\u00edm sp\u00f4sobuj\u00fa najm\u00e4 lo\u017eisk\u00e1 a tesnenia, ktor\u00e9 mo\u017eno zn\u00ed\u017ei\u0165 nasleduj\u00facimi opatreniami:<\/p>\n

      1, minimalizova\u0165 ve\u013ekos\u0165 hriade\u013ea, ale splni\u0165 po\u017eiadavky na v\u00fdstupn\u00fd kr\u00fatiaci moment a dynamiku rotora.<\/p>\n

      2, pou\u017eitie vysoko \u00fa\u010dinn\u00fdch lo\u017e\u00edsk.<\/p>\n

      3, Pou\u017e\u00edvajte \u00fa\u010dinn\u00fd mazac\u00ed syst\u00e9m a mazivo.<\/p>\n

      4, Prija\u0165 pokro\u010dil\u00fa technol\u00f3giu tesnenia.<\/p>\n

      Po \u0161tvrt\u00e9, strata rotora: strata I^2R rotora motora s\u00favis\u00ed najm\u00e4 s pr\u00fadom rotora a odporom rotora, pri\u010dom pr\u00edslu\u0161n\u00e9 met\u00f3dy \u00faspory energie s\u00fa najm\u00e4:<\/p>\n

      1, zn\u00ed\u017ei\u0165 rotorov\u00fd pr\u00fad, \u010do mo\u017eno zv\u00e1\u017ei\u0165 z dvoch h\u013ead\u00edsk, a to zlep\u0161enia nap\u00e4\u0165ov\u00e9ho a v\u00fdkonov\u00e9ho faktora motora.<\/p>\n

      2, zv\u00e4\u010d\u0161ite prierezov\u00fa plochu dr\u00e1\u017eky rotora.<\/p>\n

      3, zn\u00ed\u017eenie odporu vinutia rotora, ako je pou\u017eitie hrub\u00e9ho dr\u00f4tu a materi\u00e1lov s n\u00edzkym odporom, to je v\u00fdznamnej\u0161ie pre mal\u00e9 motory, preto\u017ee mal\u00e9 motory s\u00fa zvy\u010dajne liate hlin\u00edkov\u00e9 rotory, ak sa pou\u017eije liaty meden\u00fd rotor, celkov\u00e1 strata motora sa m\u00f4\u017ee zn\u00ed\u017ei\u0165 o 10% a\u017e 15%, ale dne\u0161n\u00fd liaty meden\u00fd rotor vy\u017eaduje vysok\u00fa v\u00fdrobn\u00fa teplotu a technol\u00f3gia nebola spopularizovan\u00e1, jeho n\u00e1klady s\u00fa vy\u0161\u0161ie ako liaty hlin\u00edkov\u00fd rotor 15% a\u017e 20%.<\/p>\n

      P\u00e4\u0165, strata \u017eelezn\u00e9ho jadra: Stratu \u017eeleza v motore mo\u017eno zn\u00ed\u017ei\u0165 t\u00fdmito opatreniami:<\/p>\n

      1, zn\u00ed\u017ete magnetick\u00fa hustotu, zv\u00e4\u010d\u0161ite d\u013a\u017eku jadra, aby ste zn\u00ed\u017eili hustotu magnetick\u00e9ho toku, ale mno\u017estvo \u017eeleza pou\u017eit\u00e9ho motorom sa zvy\u0161uje.<\/p>\n

      2, zn\u00ed\u017ei\u0165 hr\u00fabku \u017eelezn\u00e9ho \u010dipu, aby sa zn\u00ed\u017eila strata indukovan\u00e9ho pr\u00fadu, napr\u00edklad pou\u017eit\u00edm krem\u00edkovej ocele valcovanej za studena namiesto plechu z krem\u00edkovej ocele valcovanej za tepla sa m\u00f4\u017ee zn\u00ed\u017ei\u0165 hr\u00fabka plechu z krem\u00edkovej ocele, ale tenk\u00fd plech \u017eelezn\u00e9ho jadra zv\u00fd\u0161i po\u010det \u017eelezn\u00fdch \u010dipov a n\u00e1klady na v\u00fdrobu motora.<\/p>\n

      3, pou\u017eitie dobrej magnetickej priepustnosti za studena valcovan\u00e9ho krem\u00edkov\u00e9ho oce\u013eov\u00e9ho plechu na zn\u00ed\u017eenie hyster\u00e9znej straty.<\/p>\n

      4, pou\u017eitie vysoko\u00fa\u010dinn\u00e9ho izola\u010dn\u00e9ho povlaku zo \u017eelezn\u00fdch triesok.<\/p>\n

      5, tepeln\u00e9 spracovanie a v\u00fdrobn\u00e1 technol\u00f3gia, zvy\u0161kov\u00e9 nap\u00e4tie po spracovan\u00ed \u017eeleznej drviny v\u00e1\u017ene ovplyvn\u00ed stratu motora, spracovanie krem\u00edkovej ocele, smer rezania, n\u00e1razov\u00e9 strihov\u00e9 nap\u00e4tie na stratu jadra je v\u00e4\u010d\u0161ie. Rezanie pozd\u013a\u017e smeru valcovania plechu z krem\u00edkovej ocele a tepeln\u00e9 spracovanie plechu z krem\u00edkovej ocele na dierovanie m\u00f4\u017ee zn\u00ed\u017ei\u0165 stratu 10% a\u017e 20%.<\/p>\n

       <\/p>\n

      Met\u00f3dy \u00fadr\u017eby<\/span><\/b><\/strong><\/h2>\n

      Profesion\u00e1lne centrum \u00fadr\u017eby a opr\u00e1v motorov Proces \u00fadr\u017eby motorov: \u010cistenie statora a rotora - V\u00fdmena uhl\u00edkov\u00fdch kief alebo in\u00fdch komponentov - V\u00e1kuov\u00e9 ponorenie tlakovej farby na \u00farovni F - Su\u0161enie - Kalibr\u00e1cia dynamick\u00e9ho vyv\u00e1\u017eenia. 1. Prostredie pou\u017e\u00edvania by sa malo pravidelne udr\u017eiava\u0165 such\u00e9, povrch motora by sa mal udr\u017eiava\u0165 \u010dist\u00fd a pr\u00edvod vzduchu by nemal by\u0165 zablokovan\u00fd prachom, vl\u00e1knami at\u010f. 2. Ke\u010f tepeln\u00e1 ochrana motora nepretr\u017eite pracuje, malo by sa zisti\u0165, \u010di je porucha sp\u00f4soben\u00e1 pre\u0165a\u017een\u00edm motora alebo pr\u00edli\u0161 n\u00edzkou hodnotou nastavenia ochrann\u00e9ho zariadenia. A\u017e po odstr\u00e1nen\u00ed poruchy ho mo\u017eno uvies\u0165 do prev\u00e1dzky. 3. Po\u010das prev\u00e1dzky zabezpe\u010dte dobr\u00e9 mazanie motora. Be\u017en\u00fd elektromotor by sa mal premaza\u0165 alebo vymeni\u0165 po pribli\u017ene 5000 hodin\u00e1ch prev\u00e1dzky. Ak sa po\u010das prev\u00e1dzky zist\u00ed prehriatie lo\u017e\u00edsk alebo zhor\u0161enie mazania, hydraulick\u00fd syst\u00e9m by mal v\u010das vymeni\u0165 mazac\u00ed tuk. Pri v\u00fdmene mazacieho tuku by sa mal odstr\u00e1ni\u0165 star\u00fd mazac\u00ed olej a olejov\u00e9 dr\u00e1\u017eky lo\u017e\u00edsk a krytov lo\u017e\u00edsk by sa mali vy\u010disti\u0165 benz\u00ednom. Potom vypl\u0148te 1\/2 (pre 2 p\u00f3ly) a 2\/3 (pre 4, 6 a 8 p\u00f3lov) dutiny medzi vn\u00fatorn\u00fdm a vonkaj\u0161\u00edm kr\u00fa\u017ekom lo\u017eiska l\u00edtiov\u00fdm mazivom ZL-3. 4. Po skon\u010den\u00ed \u017eivotnosti lo\u017e\u00edsk sa v\u00fdrazne zv\u00fd\u0161ia vibr\u00e1cie a hluk prev\u00e1dzky motora. Ke\u010f radi\u00e1lna v\u00f4\u013ea lo\u017e\u00edsk dosiahne nasleduj\u00face hodnoty, lo\u017eisk\u00e1 by sa mali vymeni\u0165. 5. Pri demont\u00e1\u017ei motora mo\u017eno rotor vybra\u0165 bu\u010f z pred\u013a\u017een\u00e9ho, alebo nepred\u013a\u017een\u00e9ho konca hriade\u013ea. Ak nie je potrebn\u00e9 odstr\u00e1ni\u0165 ventil\u00e1tor, je vhodnej\u0161ie vybra\u0165 rotor z konca bez pred\u013a\u017eenia hriade\u013ea. Pri demont\u00e1\u017ei rotora zo statora treba zabr\u00e1ni\u0165 po\u0161kodeniu vinutia statora alebo izol\u00e1cie. 6. Pri v\u00fdmene vinutia je potrebn\u00e9 zaznamena\u0165 tvar, ve\u013ekos\u0165, po\u010det z\u00e1vitov, prierez dr\u00f4tu at\u010f. p\u00f4vodn\u00e9ho vinutia. Ak sa tieto \u00fadaje stratia, mali by sa z\u00edska\u0165 od v\u00fdrobcu. Svojvo\u013en\u00e1 v\u00fdmena p\u00f4vodn\u00e9ho kon\u0161truk\u010dn\u00e9ho vinutia \u010dasto zhor\u0161uje v\u00fdkon jedn\u00e9ho alebo viacer\u00fdch aspektov motora a dokonca ho rob\u00ed nepou\u017eite\u013en\u00fdm.<\/p>","protected":false},"excerpt":{"rendered":"

      Prachotesn\u00fd n\u00edzkonap\u00e4\u0165ov\u00fd trojf\u00e1zov\u00fd asynchr\u00f3nny motor s\u00e9rie YFB3<\/p>\n

      Prachotesn\u00fd n\u00edzkonap\u00e4\u0165ov\u00fd trojf\u00e1zov\u00fd asynchr\u00f3nny motor s\u00e9rie YFB3 <\/span><\/p>\n

      \u010c\u00edslo r\u00e1mu: H80-355 <\/span><\/p>\n

      Kapacita: 0,55 ~ 315 kW <\/span><\/p>\n

      Po\u010det p\u00f3lov: 2~10P <\/span><\/p>\n

      Nap\u00e4tie: 720 V a menej<\/span><\/p>","protected":false},"featured_media":1105,"template":"","adweb_product_categories":[115],"adweb_product_tags":[123,236,237,238,239,240,241],"gallery":[1106],"order":null,"acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/adweb_products\/1103"}],"collection":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/adweb_products"}],"about":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/media\/1105"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/media?parent=1103"}],"wp:term":[{"taxonomy":"adweb_product_cat","embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/adweb_product_categories?post=1103"},{"taxonomy":"adweb_product_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/adweb_product_tags?post=1103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}