Bayanan asali na masu amfani
Kamfanin simintin ƙofa yana samar da samfuran bawul.Kayan aikin samar da layin na kamfanin sun haɗa da tanderun shigar matsakaicin matsakaicin tan guda ɗaya, wanda ke amfani da tsarin samar da wutar lantarki na 2000 kVA (10KV / 0.75 kVA), kuma an sanye shi da kabad biyu na capacitor diyya tare da ƙarar 600 kVA, a Matsakaicin matsakaicin ton ɗaya ton, 800 kVA (10KV / 0.4 kVA) ƙwararrun ƙwararrun tsarin samar da wutar lantarki, madaidaicin ramuwa mai ƙarfi tare da ƙarar 300 kVA.Tsarin tsarin samar da wutar lantarki shine kamar haka:
Ƙarfin wutar lantarki na tsaka-tsakin tanderun shigar da wutar lantarki sanye take da mai canzawa 2000KVA shine 700KVA-2100KVA, ƙarfin aiki shine P=280KW-1930KW, nauyin mai amsawa shine Q=687KAR-830KAR, ikon factor shine PF=0.4-0.92, kuma na yanzu da ke aikiⅰ = 538 A-1660 A, ikon bayyananniyar wutar tanderun shigar mitar mitar da aka sanye da taswirar 800KVA shine 200KVA-836KVA.Ƙarfin aiki shine P = 60KW-750KW, nauyin amsawa shine Q=190KAR-360KAR, ƙarfin wutar lantarki shine PF=0.3-0.9, da kuma aiki na yanzu i = 288 A-1200 A. Saboda capacitor ramuwa majalisar ba za a iya saka aiki (diyya ta atomatik ta kasa, lokacin da aka sanya capacitor da hannu, sautin capacitor ba shi da kyau, mai kewayawa yana tafiya, capacitor yana kunshe, mai yayye, fashe, kuma ba za a iya amfani da shi ba), cikakken ikon kowane wata. PF=0.78, kuma ana daidaita yawan kuɗin jinginar gida na wata zuwa fiye da yuan 32,000.
Binciken Yanayin Tsarin Wuta
Maɓallin maɓalli na isar da wutar lantarki da aka gyara don tanderun shigar da mitar mitar shine ballasts ɗin bugun jini guda shida.Kayan aikin gyarawa yana samar da abubuwa masu jituwa da yawa lokacin da yake canza AC halin yanzu zuwa DC, wanda shine asalin tushen jituwa.Harmonic halin yanzu da aka gabatar a cikin grid ɗin wutar lantarki zai haifar da ƙarfin aiki mai jituwa akan halayen grid ɗin wutar lantarki, wanda ke haifar da asarar firam ɗin wutar lantarki da na yanzu na grid ɗin wutar lantarki, yana haifar da haɗarin inganci da amincin aiki na tsarin samar da wutar lantarki, yana ƙaruwa. hasarar layi da karkatar da wutar lantarki, da haifar da lahani ga grid ɗin wutar lantarki da sarrafa kayan aikin lantarki na masana'anta zai haifar da haɗari.Lokacin da reactive ikon diyya capacitor banki da aka sanya a cikin aiki, saboda jituwa halayyar impedance na capacitor banki ne karami, babban adadin harmonics da aka gabatar a cikin capacitor banki, da capacitance halin yanzu yana ƙaruwa da sauri, yana da matukar tasiri ga rayuwar sabis.A daya hannun, a lokacin da jituwa capacitive reactance na capacitor banki ne daidai da daidai jituwa inductive reactance na tsarin da jerin resonance faruwa, da jituwa halin yanzu yana da tsanani kara girma (2-10 sau), sakamakon overheating da lalacewa da capacitor.Bugu da ƙari, masu jituwa za su haifar da motsi na DC sinusoidal don canzawa, wanda zai haifar da igiyar sawtooth, wanda ke da sauƙi don haifar da raguwa a cikin kayan rufewa.Fitarwa na ɗan lokaci na ɗan lokaci zai kuma ƙara tsufa na abin rufe fuska kuma yana haifar da lalacewar capacitor cikin sauƙi.Don haka, ba za a iya amfani da ma'aunin wutar lantarki mai ɗaukar nauyi ba don biyan diyya na tanderun shigar da mitar matsakaita, kuma ya kamata a zaɓi na'urar ramuwa mai amsawa mai tacewa tare da aikin kashe bugun jini na yanzu.
Tsarin kulawa da ramuwa mai ƙarfi
Burin mulki
An ƙera na'urorin ramuwa masu tacewa don biyan buƙatun tsari don murkushe masu jituwa da ƙarfin amsawa.
A cikin yanayin aiki na 0.75KV da 0.4KV tsarin, bayan da tace ramuwa kayan aiki barin masana'anta, da high-oda masu jituwa suna danne a wani wata-wata matsakaita ikon factor na 0.95 ko fiye.
Shigar da madaidaicin ramuwar tacewa ba zai haifar da ƙarar bugun jini na halin yanzu ko juzu'i da wuce gona da iri 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 ramuwa mai ƙarfi;JB/T9663-1999 "Mai sarrafa ramuwa mai ƙarancin wutan lantarki ta atomatik" Ƙimar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun wutar lantarki da kayan lantarki;GB/T 17625.7-1998
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 ƙirƙira dalla-dalla dalla-dalla na tsaka-tsakin mitar shigar da wutar lantarki mai amsawa ta tsarin tace wutar lantarki.Yi la'akari da ƙimar wutar lantarki mai ƙarfi da daidaitawa, kuma shigar da saiti na ƙarancin wutar lantarki na ramuwa mai ƙarfi akan ƙasan ƙarfin wutar lantarki na 0.75KV da 0.4KV na kamfanin don murkushe masu jituwa, rama ƙarfin amsawa, da haɓaka yanayin wutar lantarki.A lokacin aiki na matsakaicin matsakaiciyar wutar lantarki, na'urar gyara ta haifar da 6K + 1 masu jituwa, kuma ana amfani da jerin Fourier don lalatawa da canza halin yanzu don samar da 5 masu jituwa na 250HZ da 7 masu jituwa sama da 350HZ.Don haka, a cikin ƙirar tsaka-tsakin mitar induction tanderu tace ramuwa mai amsawa, ƙimar 250HZ, 350HZ da kewaye dole ne a tsara su don tabbatar da cewa madaidaicin madaidaicin ramuwa na iya murƙushe bugun bugun jini yayin ramawa nauyin mai amsawa da inganta yanayin wutar lantarki.
aikin ƙira
Cikakken ma'aunin wutar lantarki na tanderun shigar da mitar 2-ton wanda ya yi daidai da na'urar wutar lantarki 2000 kVA an biya shi daga 0.78 zuwa kusan 0.95.Na'urar ramuwa ta tace tana buƙatar sanye take da ƙarfin 820 kVA, kuma ta atomatik tana jujjuyawa zuwa ƙungiyoyi 6 na iya aiki, kowannensu yayi daidai da jujjuyawar gefen wutar lantarki na ƙasan na'urar don biyan diyya.Matsakaicin daidaitawa na rarrabuwa shine 60KVAR, wanda zai iya biyan buƙatun wutar lantarki daban-daban na tanderun shigar da mitar matsakaici.Cikakken ma'aunin wutar lantarki na tanderun shigar da mitar ton 1 wanda ya yi daidai da na'ura mai canzawa 800 kVA an biya shi daga 0.78 zuwa kusan 0.95.Ana buƙatar kayan aikin ramuwa na tacewa tare da ƙarfin 360 kVA, wanda za'a iya canza shi ta atomatik zuwa ƙungiyoyin iya aiki 6, kuma ƙarfin daidaitawa shine 50 kVA, wanda zai iya biyan buƙatun wutar lantarki daban-daban na tanderun shigar da mitar matsakaici.Wannan nau'in ƙira yana ba da tabbacin cewa ƙarfin wutar lantarki da aka daidaita ya fi 0.95.
Tasirin bincike bayan shigarwa na ramuwa tace
A farkon watan Yunin 2010, an shigar da na'urar diyya ta wutar lantarki ta matsakaicin mitar tanderu kuma an fara aiki.Kayan aiki na atomatik suna bin canjin lodi na tanderun shigar da mitar matsakaita, musamman yana rama nauyin mai amsawa, kuma yana inganta yanayin wutar lantarki.bayanai kamar haka:
Bayan an kunna na'urar ramuwa ta tace, canjin yanayin canjin wutar lantarki yana kusan 0.97 (matsayin wutar lantarki lokacin da aka yanke na'urar ramuwa ta kusan 0.8)
Load aiki
A halin yanzu na 2000KVA transformer an rage daga 1530A zuwa 1210A, raguwa na 21%;A halin yanzu na 800KVA Transformer an rage daga 1140A zuwa 920A, raguwar 19.3%, wanda yayi daidai da 20% rage na transformer, wato 560KVA, da kuma fitarwa ikon lalacewa bayan diyya an rage da 21%.;Lalacewar mai canzawa ta WT=?Pd1S2) 2**[1-(1-1/cos2)2]=24{(0.78?2800)/280}20.415(kwh).Asarar transfoma ita ce yuan 24, kuma asarar kowane wata shine 15KW=150d;Kudin ajiyar wata-wata shine 1580d=230d*30d(2307){0.782800}20d.
ikon factor halin da ake ciki
A wannan watan, ma'aunin wutar lantarki na kamfanin ya karu daga 0.78 zuwa 0.97, an daidaita yawan aikin da ake yi na wata-wata da takardar kudin amfani zuwa 0, kuma an canza hukuncin zuwa yuan 4,680.Tun daga wannan lokacin, adadin wutar lantarki na wata-wata ya kasance a kan 0.97-0.98, kuma ana samun ladan tsakanin yuan 3,000-5,000 a kowane wata.
Gabaɗaya, wannan samfurin yana da kyakkyawan iko don murƙushe bugun jini na yanzu da rama ƙarfin amsawa, magance matsalar dogon lokaci na kamfani na ɗaukar ribar kuɗi da hukunce-hukuncen kuɗaɗen mai amfani, haɓaka ƙarfin fitarwa na masu canji, da kuma kawo fa'idodin tattalin arziƙi ga kamfani, An dawo dasu. jarin abokin ciniki a cikin kasa da shekara guda.Saboda haka, ramuwa mai amsawa na tanderun mitar mitar da kamfani ke ƙera yana da gamsarwa sosai, kuma zai jawo hankalin abokan ciniki da yawa a nan gaba.
Lokacin aikawa: Afrilu-14-2023