Menene Kariyar Kariyar Haɓakawar Generator ke nufi? (Kashi na 1)

Gabatarwa zuwa Kariyar Kariyar Haɓaka Haɓaka-hasara-hasara-haɓaka kariyar kariyar ce ta janareta. Yana nufin bacewar kwatsam ko wani ɓangare na tashin hankali na janareta. Lokacin da janareta gaba ɗaya ya rasa zumudi, ƙarfin halin yanzu zai lalace a hankali zuwa sifili. Lokacin da ƙimar δ ta wuce kusurwar ƙayyadaddun kwanciyar hankali, janareta ya rasa aiki tare da tsarin wutar lantarki. A wannan lokacin, na'urar kariyar janareta tana aiki akan na'urar ta'aziyyar fitar da janareta don cire haɗin janareta daga grid ɗin wutar lantarki, tare da hana lalacewa ga janareta tare da tabbatar da daidaiton aikin grid ɗin wutar lantarki. Irin wannan kariyar ana kiranta kariyar hasara.

Gabaɗaya, ana amfani da relay na wutar lantarki azaman abin rufewa a cikin da'irar rotor, kuma ana saita ma'aunin ma'aunin gwargwadon mahimmin da'irar fita daga mataki a matsayin tushen aiki. Ma'auni na impedance a tashar janareta shine babban tushen kariyar hasarar janareta. Lokacin da duka ma'aunin kwanciyar hankali da ƙananan ma'aunin wutar lantarki suka hadu, yana nufin janareta ya rasa kuzari da kwanciyar hankali. Kayan aikin kariya na janareta zai aika da sauri siginar rashin kwanciyar hankali, kuma za a katse janareta bayan an saita lokacin jinkiri.

Hakanan za'a iya amfani da ma'aunin kwanciyar hankali shi kaɗai don ɓata janareta. Lokacin da ƙananan wutar lantarki na rotor ya wuce ƙimar kariya ta saita, na'urar kariya za ta aika da siginar hasarar tashin hankali. Lokacin da ya wuce kewayon na'urar kariya, na'urar kariyar janareta za ta yanke laifin nan take. Wannan ma'auni na iya yin hasashen ko janareton zai rasa kwanciyar hankali saboda asarar zumuɗi, ta yadda za a iya ɗaukar matakan hannu da wuri kafin janaretan ya rasa kwanciyar hankali don hana faɗaɗa haɗarin.

✽ Zane-zane na Na'urar Kariyar Ajiyayyen Generator - Kariyar Haɓaka Haɓaka

✽ Ƙa'idar Kariyar Haɓaka Haɓaka

Kariyar hasarar tashin hankali tana mayar da martani ga aikin asynchronous wanda ya haifar da kurakurai a cikin da'irar tashin hankali na janareta kuma yana amfani da da'irar asynchronous impedance.

Ma'aunin aikin shine:

Inda: U1 da I1 sune madaidaicin jerin ƙarfin lantarki da na yanzu, UN shine ƙimar ƙarfin lantarki na janareta (57.7V), Ie shine ƙimar halin yanzu na biyu na janareta, Xd shine ƙimar kowace raka'a na janareta synchronous reactance, kuma X'd shine ƙimar kowane raka'a na janareta na ɗan lokaci.

Don tabbatarwa, an ƙara ma'auni na taimako: U2 <0.1UN, inda UN shine ƙimar ƙarfin lantarki na janareta (57.7V).

Kariyar za ta yi tafiya ne kawai idan an cika ka'idojin biyu. An saita kariyar tare da iyakokin lokaci guda biyu, wanda za'a iya saita shi daban. Gabaɗaya, ana amfani da ƙayyadaddun lokaci na farko don rage ƙarfin fitarwa da canzawa zuwa motsawar ajiya, kuma ana amfani da iyaka na biyu don cire haɗin janareta da kashe filin maganadisu.

Toshe zane na Ƙa'idar Kariyar Asarar-Haɗawa

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