Na'urar ramuwa mai amsawa, wanda kuma aka sani da na'urar gyara abubuwan wuta, ba makawa ne a tsarin wutar lantarki.Babban aikinsa shi ne inganta yanayin samar da wutar lantarki na tsarin samarwa da rarrabawa, ta yadda za a kara yawan amfani da na'urorin watsawa da na'urori, inganta ingantaccen makamashi, da rage farashin wutar lantarki.Bugu da ƙari, shigar da na'urorin ɗimbin wutar lantarki mai ƙarfi a wurare masu dacewa a cikin layin watsawa mai nisa na iya inganta kwanciyar hankali na tsarin watsawa, ƙara ƙarfin watsawa, da daidaita wutar lantarki a ƙarshen karɓa da grid. matakai da yawa na ci gaba.A zamanin farko, masu ci gaba na lokaci-lokaci sun kasance wakilai na yau da kullun, amma a hankali an cire su saboda girmansu da tsadar su.Hanya ta biyu ita ce ta yin amfani da parallel capacitors, wanda ke da babban fa'ida na ƙananan farashi da sauƙi shigarwa da amfani.Duk da haka, wannan hanya tana buƙatar magance batutuwa irin su jituwa da sauran matsalolin ingancin wutar lantarki da za su iya kasancewa a cikin tsarin, kuma yin amfani da capacitors masu tsabta ya zama ƙasa da ƙasa.Lokacin da nauyin tsarin mai amfani ya ci gaba da samarwa kuma ƙimar canjin kaya ba ta da yawa, ana ba da shawarar yin amfani da ƙayyadaddun yanayin ramuwa tare da capacitors (FC).A madadin, ana iya amfani da yanayin ramuwa ta atomatik sarrafawa ta hanyar masu tuntuɓar juna da sauye-sauyen mataki, wanda ya dace da duka matsakaici da ƙarancin ƙarfin lantarki da kuma tsarin rarrabawa.Don ramawa mai sauri a lokuta na canje-canje masu sauri ko tasirin tasiri, kamar a cikin haɗin gwiwar masana'antar roba. injuna, inda buƙatun wutar lantarki ke canzawa cikin sauri, tsarin ramawa na yau da kullun na wutar lantarki na atomatik, waɗanda ke amfani da capacitors, suna da iyaka.Lokacin da aka cire haɗin capacitors daga grid ɗin wuta, akwai ragowar ƙarfin lantarki tsakanin sandunan capacitor guda biyu.Ba za a iya hasashen girman ragowar ƙarfin lantarki ba kuma yana buƙatar mintuna 1-3 na lokacin fitarwa.Sabili da haka, tazara tsakanin sake haɗawa zuwa grid ɗin wuta yana buƙatar jira har sai an rage ragowar ƙarfin lantarki zuwa ƙasa da 50V, yana haifar da rashin saurin amsawa.Bugu da ƙari, saboda kasancewar babban adadin masu jituwa a cikin tsarin, na'urori masu daidaitawa na LC-daidaitacce waɗanda suka ƙunshi capacitors da reactors suna buƙatar babban ƙarfi don tabbatar da amincin masu ƙarfin, amma kuma suna iya haifar da cikas kuma suna haifar da tsarin. zama capacitive. Ta haka, madaidaicin var compensator (SVC) an haife shi.Wakilin SVC na yau da kullun ya ƙunshi Thyristor Controlled Reactor (TCR) da kafaffen capacitor (FC).Muhimmin fasalin madaidaicin var compensator shine ikonsa na ci gaba da daidaita ƙarfin amsawa na na'urar ramuwa ta hanyar sarrafa kusurwar jinkiri na thyristors a cikin TCR.Ana amfani da SVC galibi a cikin matsakaici zuwa tsarin rarraba wutar lantarki mai ƙarfi, kuma yana dacewa da yanayin yanayi tare da babban ƙarfin ɗaukar nauyi, matsalolin jituwa mai ƙarfi, nauyin tasirin tasiri, da ƙimar canji mai girma, kamar masana'antar ƙarfe, masana'antar roba, ƙarfe mara ƙarfe, ƙarfe mara nauyi, sarrafa karafa, da manyan dogo masu sauri.Tare da haɓaka fasahar lantarki ta wutar lantarki, musamman fitowar na'urorin IGBT da ci gaba a cikin fasahar sarrafawa, wani nau'in na'urar ramuwa mai ƙarfi ya fito wanda ya bambanta da na'urori masu ƙarfi na gargajiya da na'urori masu ƙarfi. .Wannan shine Static Var Generator (SVG), wanda ke amfani da fasahar sarrafa PWM (Pulse Width Modulation) don samarwa ko ɗaukar ƙarfin amsawa.SVG baya buƙatar lissafin impedance na tsarin lokacin da ba a amfani da shi, saboda yana amfani da da'irar inverter na gada tare da matakan matakai da yawa ko fasahar PWM.Bugu da ƙari kuma, idan aka kwatanta da SVC, SVG yana da fa'idodin ƙaramin girman, saurin ci gaba da ɗorawa mai ƙarfi na ƙarfin amsawa, da ikon rama duka ikon inductive da capacitive.
Lokacin aikawa: Agusta-24-2023