Bayanan asali na masu amfani
Kamfanonin kera robobi sun fi samar da bututun samar da ruwa na PE, bututun karfen bellows magudanar ruwa, da dai sauransu. Kamfanin yana da layin samar da kayayyaki guda 4, wani bangare na karfin tuki yana amfani da injin buroshi na DC da injin mitar mitar DC, akwai nau'ikan nau'ikan 400KVA, kowane transfoma. Gefen matsi na ƙasa Sanye take da akwatin diyya na capacitance.Tsarin tsarin samar da wutar lantarki shine kamar haka:
Bayanan aiki na ainihi
Motar DC na na'urar ta atomatik na 400KVA, babban ƙarfin inverter shine 360KW, matsakaicin ƙarfin wutar lantarki shine PF = 0.7, aikin yanzu shine 780A, akwatin ramuwa mara inganci a ƙarƙashin kowane taswira sau da yawa yana tafiya, capacitor yana faɗaɗa da leaks, kuma Mai sarrafawa ba zai iya sarrafa rashin daidaituwa ba, da sauransu. Abubuwan mamaki, ƙimar ƙimar 0.8 ce kawai, kuma tarar mara inganci kusan 15,000 a wata.Bugu da ƙari, injiniyoyi da masu farawa masu laushi a cikin layin samarwa wasu lokuta suna lalacewa, wanda ke shafar samarwa.
Binciken Yanayin Tsarin Wuta
Babban nauyin injin da ba shi da goga na DC da wutar lantarki mai gyara inverter shine 6 mai daidaita wutar lantarki guda ɗaya.A lokacin aikin gyaran kayan aiki, AC za a iya jujjuya zuwa DC, samar da babban adadin bugun jini na yanzu kafofin, gabatar da igiyoyi masu jituwa a cikin grid na wutar lantarki, kuma yana shafar grid na wutar lantarki.Halayen impedance yana haifar da ƙarfin aiki na bugun jini na yanzu, wanda ke haifar da ƙarancin ƙarfin ƙarfin aiki da na yanzu, yana haifar da haɗari da inganci da amincin aiki na isar da wutar lantarki, ƙara asarar layin da rarrabuwar wutar lantarki, da ciwon mummunan tasiri akan grid na wutar lantarki da kayan lantarki na wutar lantarki da kanta.
Mai sarrafa kwamfuta mai sarrafa shirye-shiryen (PLC) yana kula da jujjuyawar wutar lantarki mai aiki na samar da wutar lantarki.Gabaɗaya an ƙayyade cewa jimlar bugun bugun jini na yanzu yana aiki da ƙarfin ƙarfin firam ɗin (THD) bai wuce 5% ba, kuma ɗayan bugun jini na yanzu yana aiki idan firam ɗin ya yi tsayi da yawa, kuskuren aiki na tsarin sarrafawa na iya haifar da katsewa. samarwa ko aiki, yana haifar da babban haɗarin abin alhaki na samarwa.
Lokacin da reactive ikon diyya capacitor banki aka sa a cikin aiki, saboda bugun jini halin yanzu halayyar impedance na capacitor banki ne kananan, babban adadin bugun jini halin yanzu da aka gabatar a cikin capacitor abun da ke ciki, da kuma halin yanzu adadin yana faɗaɗa cikin sauri, da tsanani shafi ta sabis rayuwa. .A daya bangaren kuma, a lokacin da pulse current capacitor na bankin capacitor ya yi daidai da kwatankwacin inductor na wannan manhaja, karuwar harmonic current (sau 2-10) zai sa capacitor ya yi zafi ya kuma lalata shi, kuma bugun bugun jini zai sa mitar ƙarfin fitarwa ya canza.Sinusoidal waveform ɗin ya fita daga firam, yana haifar da kaifi mai kaifi mai siffar gani-hakori, kuma zai haifar da sakin juzu'i na abin rufe fuska, ta haka yana hanzarta ƙulla abin rufe fuska, da haifar da lahani ga capacitor.Saboda haka, capacitor reactive ikon diyya hukuma ba za a iya amfani da DC brushless mota da inverter ikon diyya, da kuma wani tace tare da bugun jini halin yanzu danniya aiki ya kamata a zaba domin low-voltage reactive ikon diyya.
Tace tsarin maganin diyya mai amsawa
Burin mulki
Ƙirƙirar kayan aikin ramuwa ta tace ya dace da buƙatun ɓacin rai da sarrafa kashe wutar lantarki.
A ƙarƙashin yanayin aiki na tsarin 0.4KV, bayan an shigar da kayan aikin ramuwa na tacewa, ana kashe bugun bugun jini, kuma matsakaicin matsakaicin wutar lantarki na kowane wata yana kusa da 0.92.
Babban oda mai jituwa, resonance overvoltage, da wuce gona da iri da ya haifar ta hanyar haɗawa da da'irar reshen ramuwa tace ba zai faru ba.
Zane Yana Bin Ka'idoji
Ingancin Wutar Jama'a grid masu jituwa GB/T14519-1993
Canjin wutar lantarki mai ingancin wutar lantarki da flicker GB12326-2000
Gabaɗaya yanayin fasaha na na'urar ramuwa mai ƙarancin wutar lantarki GB/T 15576-1995
Na'urar ramuwa mai ƙarancin ƙarfin wuta JB/T 7115-1993
Yanayin fasaha na ramuwa mai amsawa JB/T9663-1999 "Mai sarrafa wutar lantarki mai ƙarancin ƙarfi ta atomatik" daga ƙimar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙimar ƙarancin wutar lantarki da kayan lantarki GB/T17625.7-1998
Kalmomin fasaha na Electrotechnical Power capacitors GB/T 2900.16-1996
Low ƙarfin lantarki shunt capacitor GB/T 3983.1-1989
Saukewa: GB10229-88
Mai Rarraba IEC 289-88
Mai sarrafa ramuwa mai ƙarancin ƙarfin wutan lantarki yana oda yanayin fasaha DL/T597-1996
Matsayin kariya mara ƙarancin wutar lantarki mai ƙarfi GB5013.1-1997
Low-voltage cikakken switchgear da iko kayan aiki GB7251.1-1997
Ra'ayoyin ƙira
Dangane da takamaiman halin da kamfani ke ciki, kamfaninmu ya ƙera saitin cikakken injin DC da tsarin tace wutar lantarki mai laushi mai laushi.Yi la'akari da ƙimar wutar lantarki mai ƙarfi da daidaitawar jituwa, kuma shigar da masu tacewa akan 0.4KV ƙasan ƙarfin wutar lantarki na gidan wutar lantarki na kamfanin don ramuwa mai ƙarancin wutar lantarki don murkushe masu jituwa, rama ƙarfin amsawa, da haɓaka ƙarfin wutar lantarki.Yayin aiki na injin DC da inverter, na'urar gyara tana haifar da 6K+1 mafi girma masu jituwa.Bayan an lalata halin yanzu kuma an canza shi ta jerin Fourier, sau 5 na 250HZ da sau 7 na mafi girman jituwa sama da 350HZ ana samarwa.Saboda haka, a cikin ƙira na matsakaicin mita lantarki tanderu tace reactive ikon ramuwa, shi wajibi ne don tsara mitoci na 250HZ, 350HZ da kuma sama don tabbatar da cewa tace ramuwa iya yadda ya kamata murkushe masu jituwa tare da rama reactive ikon da kuma inganta ikon factor.
aikin ƙira
Cikakken ikon injin DC da layin samar da mitar mai daidai da na'urar ta 400KVA ana biya daga 0.7 zuwa fiye da 0.95.Ana buƙatar saita ma'aunin tacewa a ƙarfin 380kvar, wanda aka raba zuwa ƙungiyoyi 4 na iya aiki kuma an yanke shi ta atomatik don rama lanƙwasawa na ƙananan ƙarfin wutar lantarki na mai canzawa bi da bi.Ƙimar daidaitawa da aka ƙayyade shine 45kvar, wanda zai iya daidaitawa da buƙatun wutar lantarki daban-daban na layin samarwa, don haka zane ya tabbatar da cewa ƙarfin da aka gyara yana sama da 0.9.
Tasirin bincike bayan shigarwa na ramuwa tace
A cikin Yuli 2010, an shigar da na'urar biyan wutar lantarki ta tace don injinan DC da masu sauya mitoci kuma an saka su cikin aiki.Na'urar ta atomatik tana bin sauye-sauyen lodi na injinan DC da masu sauya mitar mitoci, tana danne masu jituwa masu girma a cikin ainihin lokaci, tana rama ƙarfin amsawa, kuma tana haɓaka yanayin wutar lantarki.bayanai kamar haka:
Bayan da aka yi amfani da na'urar ramuwa ta tace, canjin yanayin wutar lantarki bayan an saka na'urar ramuwa da ake amfani da ita kusan 0.99 (bangaren da aka ɗaga yana kusan 0.7 lokacin da aka cire na'urar diyya ta tace)
Load aiki
A halin yanzu da 400KVA transformer ke amfani da shi ya ragu daga 770A zuwa 520A, raguwar 33%.Bayan diyya, ƙimar rage asarar wutar lantarki shine WT=△Pd*(S1/S2)2*τ*[1-(cosφ1/cosφ2)2]=5×{(0.7×400)400}2×0.4≈2.8( kw· h) A cikin tsarin, Pd shine asarar ɗan gajeren lokaci na taranfomar, wanda shine 5KW, kuma tanadin kuɗin wutar lantarki a shekara shine 2.8*20*30*10*0.7 = yuan 11,700 (dangane da yin aiki awanni 20 a kowace shekara). rana, kwanaki 30 a wata, watanni 10 a shekara, kowace kwh wutar lantarki 0.7 yuan).
ikon factor halin da ake ciki
Matsakaicin haƙƙin kamfanin gabaɗaya ya ƙaru daga 0.7 zuwa 0.95, ƙimar haƙƙin kowane wata ya kasance 0.96-0.98, sannan hukuncin da aka yanke ya karu daga yuan 15,000 a kowane wata zuwa yuan 3,000-5,000 a kowane wata.
Motar BLDC da matattarar farawa mai laushi
The reactive ikon rama na'urar yana da ikon dakushe bugun jini halin yanzu da kuma rama reactive ikon load, warware matsalar reactive wutar lantarki hukunce-hukuncen, ƙara yawan fitarwa na na'urar, rage aiki ikon amfani, da kuma ƙara yawan fitarwa, kawo a fili fa'idar tattalin arziki. zuwa kamfanin da kuma dawowar zuba jarin aikin abokin ciniki shekara daya da ta wuce.Sabili da haka, kamfanin ya gamsu sosai da ramuwa mai ƙarfi na injin injin DC marasa gogewa da matattarar inverter, kuma zai gabatar da wasu abokan ciniki a nan gaba.
Lokacin aikawa: Afrilu-14-2023