Yadda za a yi da janareta bayan ya rasa abin sha'awa?

Ga manyan injinan dizal, ba kawai kariyar hasarar tashin hankali ba, har ma da kariya daga mataki-mataki ya kamata a samar da su, wato, janareta na kariya daga mataki-mataki.

Karancin tashin hankali da asarar zumuɗi su ne na gama-gari na masu samar da wutar lantarki. Babban dalilai na ƙananan tashin hankali da hasara na tashin hankali shine gazawar abubuwan da aka haɗa a cikin da'irar tashin hankali, gazawar na'urar sarrafa motsi ta atomatik, aiki mara kyau, ko haɗarin tsarin.

Haɗarin hasarar zumuɗi an fi bayyana su ta fuskoki masu zuwa:

1) Injin janareta mai ƙarancin motsa jiki ko hasarar haɓakawa yana ɗaukar ƙarfin amsawa daga tsarin wutar lantarki, yana haifar da faɗuwar wutar lantarki na tsarin wutar lantarki. Idan juzu'in wutar lantarki ya yi girma, zai iya haifar da rugujewa da rushewar wutar lantarkin tsarin.

2) Ga manyan na'urorin janareta, bayan hasarar tashin hankali, tsarin zai ba da babban adadin reactive current zuwa gare shi, wanda zai iya sa tsarin wutar lantarki ya girgiza.

3) Bayan hasarar tashin hankali, saboda abin da ya faru na zamewa, wani nau'i mai ban mamaki yana bayyana a cikin da'irar rotor na janareta. Asarar da ke haifar da mitar mitar na yanzu a cikin da'irar rotor, idan ta wuce ƙimar da aka yarda, zai sa rotor yayi zafi. Musamman ga manyan raka'a tare da sanyaya kai tsaye da ƙimar amfani mai girma, ƙarancin ƙarfin zafin su yana da ɗan ragewa, kuma rotor yana iya yin zafi sosai. Haka kuma, bambance-bambancen mitar halin yanzu da ke gudana ta saman saman na'ura mai juyi na iya haifar da zafi mai tsanani na gida akan wuraren tuntuɓar jikin mai jujjuyawar, ramukan ramuka, da zoben riƙewa.

4) Bayan janareta tare da ƙaramin tashin hankali ko asarar haɓakawa ya shiga aikin asynchronous, daidaitaccen reactance na janareta da aka lura daga tashar injin yana raguwa, kuma ƙarfin amsawa daga tsarin wutar lantarki yana ƙaruwa. Mafi girman ƙarfin aiki da aka ɗauka kafin ƙaramar tashin hankali ko asarar zumuɗi, mafi girman zamewar, ƙarami daidai da amsawa, kuma mafi girman ƙarfin amsawa. Saboda haka, bayan rasa zumudi da shigar da aiki asynchronous a karkashin nauyi mai nauyi, idan ba a dauki matakan ba, janareta zai sa stator ya yi zafi saboda yawan zafi.

5) Don manyan injin injin injin tururi tare da sanyaya kai tsaye da ƙimar amfani mai girma, matsakaicin ƙimar matsakaiciyar ƙarfin ƙarfin su yana ƙarami, ƙarancin inertia shima an rage shi sosai, kuma rotor yana nuna asymmetry na zahiri a cikin gatura mai tsayi da madaidaiciya. Saboda waɗannan dalilai, bayan rasa kuzari a ƙarƙashin nauyi mai nauyi, juzu'i da ƙarfin aiki na wannan nau'in janareta za su yi lilo lokaci-lokaci. A wannan yanayin, za a sami babban ƙarfin lantarki na lantarki wanda ya wuce ƙimar da aka ƙididdige shi kuma yana canzawa lokaci-lokaci, kuma iyakar ƙimarsa na iya kaiwa 4% - 5%, yana sa janareta yayi saurin wuce gona da iri lokaci-lokaci. Waɗannan yanayi suna yin barazana kai tsaye ga amincin ƙungiyar.

6) A lokacin ƙananan tashin hankali ko aikin hasara na haɓakawa, haɓakar haɓakar haɓakar magnetic a ƙarshen stator yana ƙaruwa, wanda zai haifar da ƙarshen da ƙarshen ƙarshen ya yi zafi. A gaskiya ma, wannan yanayin yawanci shine babban yanayin da ke iyakance ikon aiki na asynchronous na janareta bayan rasa kuzari.

Magance Rashin Tashin Hankali na Generator

1) Lokacin da janareta ya yi hasarar tashin hankali kuma ya kamata kariyar hasara ta yi aiki, sarrafa shi bisa ga ɓarkewar naúrar janareta-transformer.

2) Idan kariyar hasarar tashin hankali ba ta yi aiki ba kuma tana yin haɗari ga amintaccen aiki na tsarin da ikon sabis na tashar tashar, nan da nan yi amfani da na'urar cire haɗin gaggawa ta janareta (ko kariyar wutar lantarki) don cire haɗin janareta wanda ya yi hasarar tashin hankali a kan lokaci, kuma kula da nasara ta atomatik kunna wutar sabis na tashar. Idan kunnawa ta atomatik bai yi nasara ba, rike shi bisa ga ƙa'idodin da suka dace don kula da hadurran wutar lantarki na sabis na tashar.

3) Yayin aiwatar da abin da ke sama, yi ƙoƙarin ƙara haɓaka halin yanzu na sauran raka'a waɗanda ba su yi hasarar tashin hankali ba kamar yadda zai yiwu don haɓaka ƙarfin tsarin da ƙarfin kwanciyar hankali.

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