Aiki na Alternators
Makaranta na Alternator
Alternator yana nufin jirgin karamin kware na AC wanda ya gina EMF a fili mai tsawo da takaice masu hawa, tare da amfani da hukuma na Faraday daga inda.
Shawarwari don Yadda Ake Iya Kula da Alternators Daga Baki-baki
Tartarun karamin kware na mutanen machine mai yiyi da bus bar ya kasance mafi muhimmanci.
Karamin kware na RMS (terminal voltage) na bus bar ko machine mai yiyi da karamin kware na machine mai yiyi suna da lafiya.
Dabamai na phase angle na biyu na systems suna da lafiya.
Sikilonsa na terminal voltages (machine mai yiyi da bus bar) suna da lafiya. Zan iya samun karfin karamin kware a lokacin da sikilonsa ba su da lafiya ba.
Tattalin Synchronizing
Synchronizing yana nufin ziyarta terminal voltages da kuma shirya tartarun karamin kware na Synchroscope ko three-lamp method.
Ziyarta Terminal Voltages da Frequencies
Jin daidaita domin terminal voltages da frequencies suna da lafiya domin sake iya samun karfin karamin kware da rarraba abubuwa.
Yadda Ake Iya Kula da Alternators Daga Baki-baki
Wani alternator (generator 2) ana kula da power system mai yiyi (generator 1). Wadannan biyu machines suna son synchronizing don in bayar da karamin kware waɗanda ke magana. Generator 2 ana kula da amfani da switch, S1. Ba a fara wannan switch ba tare da kan samun shawarwari da aka bayyana a ƙarshen.
Don in daidaita terminal voltages, ziyarta terminal voltage na machine mai yiyi tare da amfani da field current. Amfani da voltmeters don in daidaita ita da line voltage na system mai yiyi.
An fi siffar da biyu methods don in shirya tartarun karamin kware na machines. Su ne:
A farkon ɗaya ya kamata a amfani da Synchroscope. Ba a yi shirya tartarun karamin kware ba amma an amfani da ita don in bincika dabamai na phase angles.
A na ɗaya ya kamata a amfani da three lamp method (Figure 2). A nan an samun three light bulbs a terminal na switch, S1. Bulbs zan iya haɗa da sauran idan dabamai na phase difference ya kasance ɗaya. Bulbs zan iya haɗa da kadan idan dabamai na phase difference ya kasance kadan. Bulbs zan iya haɗa da kadan da sauran ciki idan tartarun karamin kware ta same. Bulbs zan iya haɗa da sauran ciki idan tartarun karamin kware ta sama. Zan iya daidaita tartarun karamin kware tare da amfani da swapping connections a biyu phases a generator ɗaya.
Daga baya, shirya da tabbatar da sikilonsa na incoming da running systems suna da lafiya. Zan iya yi wannan tare da amfani da dimming da brightening na lamps.
Idan sikilonsa suna da lafiya, biyu voltages (incoming alternator da running system) zan iya canza phase gradually. Zan iya samun wannan changes da kuma switch, S1 zan iya fara wannan lokacin da phase angles su da lafiya.
Faifai na Parallel Operation
Idan an yi maintenance ko inspection, za a iya ci gaba ɗaya daga service da sauran alternators suka iya taimaka don in bayar da karamin kware.
Za a iya samun karamin kware.
A lokacin da load ya kasance ƙarƙashin, za a iya ci wasu alternators daga service da sauran zai yi aiki a matsayin full load.
Efficiency mai yawa.
Cost of operation ya kasance ƙarƙashin.
Ya ƙara ƙarin daidaita da cost-effective generation.
Cost of generation ya kasance ƙarƙashin.
Idan generator ya ƙasa, ba zan iya haifar da supply ba.
Reliability of the whole power system ya kasance ƙarƙashin.
