{"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\/cs\/products\/yfb3\/","title":{"rendered":"YFB3"},"content":{"rendered":"

P\u0159edstavte str\u00e1nky<\/h2>\n

Prachot\u011bsn\u00fd n\u00edzkonap\u011b\u0165ov\u00fd t\u0159\u00edf\u00e1zov\u00fd asynchronn\u00ed motor \u0159ady YFB3
\n\u010c\u00edslo r\u00e1mu: H80-355
\nKapacita: 0,55 ~ 315 kW
\nPo\u010det p\u00f3l\u016f: 2~10P
\nNap\u011bt\u00ed: 720 V a ni\u017e\u0161\u00ed<\/p>\n

 <\/p>\n

Ztr\u00e1ty motoru \u010derpadla jsou p\u0159\u00edli\u0161 vysok\u00e9, jak na to?<\/h2>\n
    \n
  1. Prom\u011bnn\u00e9 ztr\u00e1ty se m\u011bn\u00ed v z\u00e1vislosti na zat\u00ed\u017een\u00ed, v\u010detn\u011b ztr\u00e1t na odporu statoru (ztr\u00e1ty na m\u011bdi), ztr\u00e1t na odporu rotoru a ztr\u00e1t na odporu kart\u00e1\u010d\u016f.<\/li>\n
  2. Pevn\u00e9 ztr\u00e1ty jsou nez\u00e1visl\u00e9 na zat\u00ed\u017een\u00ed, v\u010detn\u011b ztr\u00e1t v j\u00e1d\u0159e a mechanick\u00fdch ztr\u00e1t. Ztr\u00e1ty v \u017eeleze se d\u00e1le skl\u00e1daj\u00ed z hysterezn\u00edch ztr\u00e1t a ztr\u00e1t v\u00ed\u0159iv\u00fdmi proudy, kter\u00e9 jsou \u00fam\u011brn\u00e9 \u010dtverci nap\u011bt\u00ed, p\u0159i\u010dem\u017e hysterezn\u00ed ztr\u00e1ty jsou nep\u0159\u00edmo \u00fam\u011brn\u00e9 frekvenci.<\/li>\n
  3. Dal\u0161\u00edmi rozpt\u00fdlen\u00fdmi ztr\u00e1tami jsou mechanick\u00e9 ztr\u00e1ty a jin\u00e9 ztr\u00e1ty, v\u010detn\u011b ztr\u00e1t t\u0159en\u00edm v lo\u017eisk\u00e1ch a ztr\u00e1ty odporem v\u011btru zp\u016fsoben\u00e9 ot\u00e1\u010den\u00edm ventil\u00e1tor\u016f, rotor\u016f apod.<\/li>\n<\/ol>\n

     <\/p>\n

    P\u011bt opat\u0159en\u00ed ke sn\u00ed\u017een\u00ed ztr\u00e1t motoru:<\/h2>\n

    Za prv\u00e9, ztr\u00e1ty na statoru: Hlavn\u00ed metody sn\u00ed\u017een\u00ed ztr\u00e1t na statoru motoru I^2R jsou:<\/p>\n

      \n
    1. Zv\u011bt\u0161ete plochu pr\u016f\u0159ezu statorov\u00e9 \u0161t\u011brbiny. V p\u0159\u00edpad\u011b stejn\u00e9ho vn\u011bj\u0161\u00edho pr\u016fm\u011bru statoru se zv\u011bt\u0161en\u00edm pr\u016f\u0159ezu statorov\u00e9 \u0161t\u011brbiny zmen\u0161\u00ed plocha magnetick\u00e9ho obvodu a zv\u00fd\u0161\u00ed magnetick\u00e1 hustota zub\u016f.<\/li>\n
    2. zv\u00fd\u0161it plnou rychlost statorov\u00e9ho slotu, tento n\u00edzkonap\u011b\u0165ov\u00fd mal\u00fd motor m\u00e1 lep\u0161\u00ed \u00fa\u010dinek, pou\u017eit\u00ed nejlep\u0161\u00edho vinut\u00ed a velikosti izolace, velk\u00e1 plocha pr\u016f\u0159ezu dr\u00e1tu m\u016f\u017ee zv\u00fd\u0161it rychlost statorov\u00e9ho slotu.<\/li>\n
    3. co nejv\u00edce zkr\u00e1tit d\u00e9lku konce statorov\u00e9ho vinut\u00ed, ztr\u00e1ty na konci statorov\u00e9ho vinut\u00ed p\u0159edstavuj\u00ed 1\/4 ~ 1\/2 celkov\u00fdch ztr\u00e1t vinut\u00ed, zkr\u00e1cen\u00edm d\u00e9lky konce vinut\u00ed lze zlep\u0161it \u00fa\u010dinnost motoru. Experimenty ukazuj\u00ed, \u017ee d\u00e9lka konce se sn\u00ed\u017e\u00ed o 20% a ztr\u00e1ty o 10%.<\/li>\n<\/ol>\n

      co nejv\u00edce zkr\u00e1tit d\u00e9lku konce statorov\u00e9ho vinut\u00ed, ztr\u00e1ty na konci statorov\u00e9ho vinut\u00ed p\u0159edstavuj\u00ed 1\/4 ~ 1\/2 celkov\u00fdch ztr\u00e1t vinut\u00ed, zkr\u00e1cen\u00edm d\u00e9lky konce vinut\u00ed lze zlep\u0161it \u00fa\u010dinnost motoru. Experimenty ukazuj\u00ed, \u017ee d\u00e9lka konce se sn\u00ed\u017e\u00ed o 20% a ztr\u00e1ty o 10%.<\/p>\n

      1, pou\u017eit\u00ed tepeln\u00e9ho zpracov\u00e1n\u00ed a povrchov\u00e9 \u00fapravy ke sn\u00ed\u017een\u00ed zkratu povrchu rotoru.<\/p>\n

      2, izola\u010dn\u00ed \u00faprava vnit\u0159n\u00edho povrchu dr\u00e1\u017eky rotoru.<\/p>\n

      3, Sn\u00ed\u017een\u00ed harmonick\u00fdch zlep\u0161en\u00edm konstrukce statorov\u00e9ho vinut\u00ed.<\/p>\n

      4, zlep\u0161en\u00ed konstrukce a koordinace dr\u00e1\u017eek rotoru pro sn\u00ed\u017een\u00ed harmonick\u00fdch, zv\u011bt\u0161en\u00ed pevn\u00fdch a zubov\u00fdch dr\u00e1\u017eek rotoru, konstrukce tvaru dr\u00e1\u017eek rotoru do \u0161ikm\u00e9 dr\u00e1\u017eky, pou\u017eit\u00ed s\u00e9riov\u00e9ho sinusov\u00e9ho vinut\u00ed, rozprost\u0159en\u00e9ho vinut\u00ed a vinut\u00ed na kr\u00e1tkou vzd\u00e1lenost m\u016f\u017ee v\u00fdrazn\u011b sn\u00ed\u017eit vysok\u00e9 harmonick\u00e9; Je to \u00fa\u010dinn\u00e1 metoda pro sn\u00ed\u017een\u00ed dodate\u010dn\u00fdch bludn\u00fdch ztr\u00e1t pou\u017eit\u00edm magnetick\u00e9ho dr\u00e1\u017ekov\u00e9ho bahna nebo magnetick\u00e9ho dr\u00e1\u017ekov\u00e9ho kl\u00ednu m\u00edsto tradi\u010dn\u00edho izolovan\u00e9ho dr\u00e1\u017ekov\u00e9ho kl\u00ednu a vypln\u011bn\u00edm dr\u00e1\u017eky j\u00e1dra statoru motoru magnetick\u00fdm dr\u00e1\u017ekov\u00fdm bahnem.<\/p>\n

      Za t\u0159et\u00ed, ztr\u00e1ty t\u0159en\u00edm v\u011btru: ztr\u00e1ty t\u0159en\u00edm v\u011btru p\u0159edstavuj\u00ed p\u0159ibli\u017en\u011b 25% celkov\u00fdch ztr\u00e1t motoru, kter\u00fdm je t\u0159eba v\u011bnovat n\u00e1le\u017eitou pozornost. T\u0159ec\u00ed ztr\u00e1ty jsou zp\u016fsobeny p\u0159edev\u0161\u00edm lo\u017eisky a t\u011bsn\u011bn\u00edmi, kter\u00e9 lze sn\u00ed\u017eit n\u00e1sleduj\u00edc\u00edmi opat\u0159en\u00edmi:<\/p>\n

      1, minimalizovat velikost h\u0159\u00eddele, ale splnit po\u017eadavky na v\u00fdstupn\u00ed to\u010div\u00fd moment a dynamiku rotoru.<\/p>\n

      2, pou\u017eit\u00ed vysoce \u00fa\u010dinn\u00fdch lo\u017eisek.<\/p>\n

      3, Pou\u017e\u00edvejte \u00fa\u010dinn\u00fd mazac\u00ed syst\u00e9m a mazivo.<\/p>\n

      4, P\u0159ijm\u011bte pokro\u010dilou technologii t\u011bsn\u011bn\u00ed.<\/p>\n

      Za \u010dtvrt\u00e9, ztr\u00e1ty rotoru: ztr\u00e1ty rotoru motoru I^2R souvis\u00ed p\u0159edev\u0161\u00edm s proudem rotoru a odporem rotoru, odpov\u00eddaj\u00edc\u00ed metody \u00faspory energie jsou p\u0159edev\u0161\u00edm:<\/p>\n

      1, sn\u00ed\u017eit rotorov\u00fd proud, co\u017e lze posoudit ze dvou hledisek, a to zlep\u0161en\u00ed nap\u011bt\u00ed a v\u00fdkonov\u00fdch faktor\u016f motoru.<\/p>\n

      2, zv\u011bt\u0161ete pr\u016f\u0159ez dr\u00e1\u017eky rotoru.<\/p>\n

      3, sn\u00ed\u017een\u00ed odporu vinut\u00ed rotoru, jako je pou\u017eit\u00ed siln\u00e9ho dr\u00e1tu a materi\u00e1l\u016f s n\u00edzk\u00fdm odporem, to m\u00e1 v\u011bt\u0161\u00ed v\u00fdznam pro mal\u00e9 motory, proto\u017ee mal\u00e9 motory jsou obecn\u011b lit\u00e9 hlin\u00edkov\u00e9 rotory, pokud se pou\u017eije lit\u00fd m\u011bd\u011bn\u00fd rotor, celkov\u00e1 ztr\u00e1ta motoru se m\u016f\u017ee sn\u00ed\u017eit o 10% a\u017e 15%, ale dne\u0161n\u00ed lit\u00fd m\u011bd\u011bn\u00fd rotor vy\u017eaduje vysokou v\u00fdrobn\u00ed teplotu a technologie nebyla popularizov\u00e1na, jeho cena je vy\u0161\u0161\u00ed ne\u017e lit\u00fd hlin\u00edkov\u00fd rotor 15% a\u017e 20%.<\/p>\n

      P\u011bt, ztr\u00e1ta \u017eelezn\u00e9ho j\u00e1dra: Ztr\u00e1ty \u017eeleza v motoru lze sn\u00ed\u017eit n\u00e1sleduj\u00edc\u00edmi opat\u0159en\u00edmi:<\/p>\n

      1, sn\u00ed\u017eit magnetickou hustotu, zv\u011bt\u0161it d\u00e9lku j\u00e1dra, aby se sn\u00ed\u017eila hustota magnetick\u00e9ho toku, ale mno\u017estv\u00ed \u017eeleza pou\u017eit\u00e9ho motorem se zvy\u0161uje.<\/p>\n

      2, sn\u00ed\u017een\u00ed tlou\u0161\u0165ky \u017eelezn\u00e9 t\u0159\u00edsky pro sn\u00ed\u017een\u00ed ztr\u00e1ty indukovan\u00e9ho proudu, nap\u0159\u00edklad pou\u017eit\u00edm k\u0159em\u00edkov\u00e9 oceli v\u00e1lcovan\u00e9 za studena nam\u00edsto k\u0159em\u00edkov\u00e9ho ocelov\u00e9ho plechu v\u00e1lcovan\u00e9ho za tepla lze sn\u00ed\u017eit tlou\u0161\u0165ku k\u0159em\u00edkov\u00e9ho ocelov\u00e9ho plechu, ale tenk\u00fd plech \u017eelezn\u00e9ho j\u00e1dra zv\u00fd\u0161\u00ed po\u010det \u017eelezn\u00fdch t\u0159\u00edsek a v\u00fdrobn\u00ed n\u00e1klady motoru.<\/p>\n

      3, pou\u017eit\u00ed dobr\u00e9 magnetick\u00e9 propustnosti za studena v\u00e1lcovan\u00e9ho k\u0159em\u00edkov\u00e9ho ocelov\u00e9ho plechu ke sn\u00ed\u017een\u00ed hysterezn\u00ed ztr\u00e1ty.<\/p>\n

      4, pou\u017eit\u00ed vysoce v\u00fdkonn\u00e9ho izola\u010dn\u00edho povlaku ze \u017eelezn\u00fdch t\u0159\u00edsek.<\/p>\n

      5, tepeln\u00e9 zpracov\u00e1n\u00ed a v\u00fdrobn\u00ed technologie, zbytkov\u00e9 nap\u011bt\u00ed po zpracov\u00e1n\u00ed \u017eelezn\u00e9 t\u0159\u00edsky v\u00e1\u017en\u011b ovlivn\u00ed ztr\u00e1tu motoru, zpracov\u00e1n\u00ed k\u0159em\u00edkov\u00e9ho plechu, sm\u011br \u0159ez\u00e1n\u00ed, n\u00e1razov\u00e9 smykov\u00e9 nap\u011bt\u00ed na ztr\u00e1tu j\u00e1dra je v\u011bt\u0161\u00ed. \u0158ez\u00e1n\u00ed pod\u00e9l sm\u011bru v\u00e1lcov\u00e1n\u00ed k\u0159em\u00edkov\u00e9ho ocelov\u00e9ho plechu a tepeln\u00e9 zpracov\u00e1n\u00ed k\u0159em\u00edkov\u00e9ho ocelov\u00e9ho d\u011brovan\u00e9ho plechu m\u016f\u017ee sn\u00ed\u017eit ztr\u00e1tu 10% na 20%.<\/p>\n

       <\/p>\n

      Metody \u00fadr\u017eby<\/span><\/b><\/strong><\/h2>\n

      Profesion\u00e1ln\u00ed centrum \u00fadr\u017eby a oprav motor\u016f Proces \u00fadr\u017eby motor\u016f: V\u00fdm\u011bna uhl\u00edkov\u00fdch kart\u00e1\u010d\u016f nebo jin\u00fdch sou\u010d\u00e1st\u00ed - Vakuov\u00e9 pono\u0159en\u00ed do tlakov\u00e9 barvy na \u00farovni F - Su\u0161en\u00ed - Kalibrace dynamick\u00e9ho vyv\u00e1\u017een\u00ed. 1. Prost\u0159ed\u00ed pro pou\u017e\u00edv\u00e1n\u00ed by m\u011blo b\u00fdt pravideln\u011b udr\u017eov\u00e1no such\u00e9, povrch motoru by m\u011bl b\u00fdt \u010dist\u00fd a p\u0159\u00edvod vzduchu by nem\u011bl b\u00fdt zatarasen prachem, vl\u00e1kny atd. 2. Pokud tepeln\u00e1 ochrana motoru nep\u0159etr\u017eit\u011b pracuje, je t\u0159eba zjistit, zda je z\u00e1vada zp\u016fsobena p\u0159et\u00ed\u017een\u00edm motoru nebo p\u0159\u00edli\u0161 n\u00edzkou hodnotou nastaven\u00ed ochrann\u00e9ho za\u0159\u00edzen\u00ed. Teprve po odstran\u011bn\u00ed z\u00e1vady je mo\u017en\u00e9 uv\u00e9st jej do provozu. 3. Zajist\u011bte dobr\u00e9 maz\u00e1n\u00ed motoru b\u011bhem provozu. B\u011b\u017en\u00fd elektromotor by m\u011bl b\u00fdt promaz\u00e1n nebo vym\u011bn\u011bn po p\u0159ibli\u017en\u011b 5000 hodin\u00e1ch provozu. Pokud se zjist\u00ed, \u017ee jsou lo\u017eiska p\u0159eh\u0159\u00e1t\u00e1 nebo se maz\u00e1n\u00ed b\u011bhem provozu zhor\u0161uje, m\u011bl by hydraulick\u00fd syst\u00e9m v\u010das vym\u011bnit mazac\u00ed tuk. P\u0159i v\u00fdm\u011bn\u011b mazac\u00edho tuku by se m\u011bl odstranit star\u00fd mazac\u00ed olej a olejov\u00e9 dr\u00e1\u017eky lo\u017eisek a kryt\u016f lo\u017eisek by se m\u011bly vy\u010distit benz\u00ednem. Pot\u00e9 vypl\u0148te 1\/2 (pro 2 p\u00f3ly) a 2\/3 (pro 4, 6 a 8 p\u00f3l\u016f) dutiny mezi vnit\u0159n\u00edm a vn\u011bj\u0161\u00edm krou\u017ekem lo\u017eiska lithiov\u00fdm plastick\u00fdm mazivem ZL-3. 4. Po skon\u010den\u00ed \u017eivotnosti lo\u017eisek se v\u00fdrazn\u011b zv\u00fd\u0161\u00ed vibrace a hlu\u010dnost provozu motoru. Kdy\u017e radi\u00e1ln\u00ed v\u016fle lo\u017eisek dos\u00e1hne n\u00e1sleduj\u00edc\u00edch hodnot, m\u011bla by b\u00fdt lo\u017eiska vym\u011bn\u011bna. 5. P\u0159i demont\u00e1\u017ei motoru lze rotor vyjmout bu\u010f z prodlu\u017eovac\u00edho, nebo neprodlu\u017eovac\u00edho konce h\u0159\u00eddele. Pokud nen\u00ed nutn\u00e9 demontovat ventil\u00e1tor, je vhodn\u011bj\u0161\u00ed vyjmout rotor z konce bez prodlou\u017een\u00ed h\u0159\u00eddele. P\u0159i demont\u00e1\u017ei rotoru ze statoru je t\u0159eba zabr\u00e1nit po\u0161kozen\u00ed statorov\u00e9ho vinut\u00ed nebo izolace. 6. P\u0159i v\u00fdm\u011bn\u011b vinut\u00ed je nutn\u00e9 zaznamenat tvar, velikost, po\u010det z\u00e1vit\u016f, pr\u016f\u0159ez dr\u00e1tu atd. p\u016fvodn\u00edho vinut\u00ed. Pokud se tyto \u00fadaje ztrat\u00ed, je t\u0159eba je z\u00edskat od v\u00fdrobce. Sv\u00e9voln\u00e1 zm\u011bna p\u016fvodn\u00edho konstruk\u010dn\u00edho vinut\u00ed \u010dasto zhor\u0161uje v\u00fdkonnost jednoho nebo n\u011bkolika aspekt\u016f motoru, a dokonce jej \u010din\u00ed nepou\u017eiteln\u00fdm.<\/p>","protected":false},"excerpt":{"rendered":"

      Prachot\u011bsn\u00fd n\u00edzkonap\u011b\u0165ov\u00fd t\u0159\u00edf\u00e1zov\u00fd asynchronn\u00ed motor \u0159ady YFB3<\/p>\n

      Prachot\u011bsn\u00fd n\u00edzkonap\u011b\u0165ov\u00fd t\u0159\u00edf\u00e1zov\u00fd asynchronn\u00ed motor \u0159ady YFB3 <\/span><\/p>\n

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

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

      Po\u010det p\u00f3l\u016f: 2~10P <\/span><\/p>\n

      Nap\u011bt\u00ed: 720 V a ni\u017e\u0161\u00ed<\/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\/cs\/wp-json\/wp\/v2\/adweb_products\/1103"}],"collection":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_products"}],"about":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media\/1105"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media?parent=1103"}],"wp:term":[{"taxonomy":"adweb_product_cat","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_product_categories?post=1103"},{"taxonomy":"adweb_product_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_product_tags?post=1103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}