1000 KVA Railway Transformer-66/11 KV|Afirka ta Kudu 2025

01 Gabaɗaya

1.1 Bayanin Aikin

An kai 1000kVA wutar lantarki zuwa Afirka ta Kudu a cikin 2025. Ƙarfin wutar lantarki na wutar lantarki shine 1000 kVA tare da sanyaya ONAN. Babban ƙarfin lantarki shine 66 kV tare da ± 2 * 2.5% tapping range (NLTC), ƙarfin lantarki na biyu shine 11 kV, sun kafa ƙungiyar vector na Dyn11.

Mai canzawa yana tabbatar da ingantacciyar ɓarkewar zafi, tare da matsakaicin iska mai zafi sama da digiri 60 da hauhawar zafin mai na digiri 55 don kula da yanayin aiki mafi kyau.

Tare da rashin ƙarfi na 5% da ingantaccen aiki mai ban sha'awa{1}} kaiwa 98.789% a cikakken kaya (1.0 PF) da 98.49% a 0.8 PF (dukansu an auna su a digiri 75){7}}yana rage asarar kuzari yayin watsa wutar lantarki. An sanye shi da mahimman abubuwan tsaro da sa ido, gami da buchholz relay don gano kuskure, mai da alamun zafin jiki (tare da goyon bayan lamba da fitarwa 4{12}}20mA/RS485), matakan mai, da bawul ɗin taimako na matsa lamba, yana ba da cikakkiyar kariya daga zafi fiye da kima, zubar mai, da matsa lamba mai yawa. Ƙarin sassa na aiki kamar masu canza famfo na waje, magudanar ruwa/cike bawul, na'urorin samfurin mai, da ɗagawa da ƙararrawa suna haɓaka sauƙin aiki da samun damar kulawa.

Yin la'akari da 7700kg a duka (nauyin jigilar kaya: 5700kg) tare da tanki mai ƙarfi da ƙirar kayan haɗi, wannan injin ɗin an ƙera shi don dogaro a cikin rarraba wutar lantarki na masana'antu da yanayin watsa grid. Yana haɗa takamaiman ƙa'ida (1.07% a 1.0 PF, 3.78% a 0.8 PF cikakken kaya) da kiyaye tsaro da yawa, yana mai da shi mafita mai dogaro ga matsakaita{7}}zuwa{8}} babban ƙarfin canjin wutar lantarki.

1.2 Ƙayyadaddun Fasaha

1000 kVA tashar jirgin ƙasa ta musamman da takardar bayanai

1.3 Zane

1000 kVA tashar jirgin ƙasa mai canzawa zane da girman.

02 Masana'antu

2.1 LV

Ƙunƙarar ɓangarorin da ke kan ƙananan ƙarfin wutar lantarki{0} na na'urar tana ba da keɓaɓɓen mafita na haɗin iska na LV. Wannan ƙirar al'ada tana fasalta babban ƙoshin yumbu mai ƙarfi{2} wanda aka sani da kyakkyawan juriya da juriyar yanayi. Yana gina babban madugu na tsakiya kuma yana aiki azaman maɓalli mai mahimmanci, yana tabbatar da amintaccen keɓantawar lantarki daga tanki da ingantaccen wurin haɗin kai don sandunan bas ko igiyoyi na waje.

2.2 HV

Bushing ɗin da ke kan babban na'urar wutar lantarki - yana samar da keɓaɓɓen wurin fita don haɗin iskar HV mai shigowa. An gina shi tare da insulator mai ƙarfi mai ƙarfi {{2}, yana fasalta nisan rarrafe mai tsayi da ƙarin hadadden tsarin rufewa na ciki don jure matsanancin matsin wutar lantarki. Ayyukansa na farko shine tabbatar da keɓewa mai aminci a babban ƙarfin lantarki daga tanki mai tushe da kuma samar da ingantaccen abin rufe fuska don haɗin HV na waje. Fuskar mai kyalli tana ba da kyakkyawan juriya ga gurɓataccen yanayi don sabis na waje.

2.3 Akwatin Kulawa

Akwatin sarrafawa, yawanci shinge mai hana yanayi wanda aka ɗora akan tankin taswira, yana ba da kariya, saka idanu, da na'urorin sarrafawa. Yana ƙunshe da abubuwa kamar relays na kariya, abubuwan sarrafa famfo, zafin jiki da matakan mai, da lambobin ƙararrawa. Babban aikinsa shi ne samar da keɓaɓɓen hanyar sadarwa mai sauƙi don sarrafa ayyukan taransifoma, ba da gargaɗi ga yanayi mara kyau, da sauƙaƙe kulawa da sarrafawa.

Akwatin Junction 2.4 BCT

Akwatin junction na BCT (Bushing Current Transformer) wani ƙaƙƙarfan shinge ne da ke kusa da kurmin na'urar. Yana dauke da tashoshi na biyu na na'urorin lantarki na yanzu waɗanda ke cikin rufin daji. Wannan akwatin yana ba da kariya da madaidaicin wurin haɗin kai don sarrafa kayan aikin{2}}matakin sigina na yanzu zuwa mita na waje, relays masu kariya, da na'urorin sa ido.

2.5 Thermometer mai iska

Ma'aunin zafi da sanyio mai jujjuyawa yana lura da yanayin zafi a wuri mafi zafi a cikin iskar wutar lantarki. Ya ƙunshi kwan fitila da aka saka a cikin aljihun da aka keɓe kusa da saman iskar, wanda aka haɗa ta bututun capillary zuwa ma'aunin bugun kira mai nisa wanda yawanci ana hawa akan akwatin sarrafawa. Wannan ma'aunin kai tsaye yana da mahimmanci don kariyar zafi, yana ba da damar sarrafa kaya, bayar da ƙararrawa sama da{2}, da fara sarrafa tsarin sanyaya don tabbatar da amintaccen aiki na taswira.

2.6 Buchholz Relay

Relay Buchholz iskar gas ce {{0}na'urar kariya da aka kunna wacce aka ɗora a cikin bututun mai tsakanin babban tanki da na'urar adanawa. Yana gano kurakuran ciki ta hanyar mayar da martani ga tarin iskar gas daga jinkirin lalatawar lalacewa (tayar da ƙararrawa) ko kuma ga hauhawar mai da ke haifar da babban kuskure (yana haifar da tafiya nan da nan). Wannan yana ba da gargaɗin farko mai mahimmanci da kariya daga manyan laifuffuka da muggan laifuka na ciki.

03 Gwaji

Binciken Amsa Mitar (FRA) dabara ce ta bincike wacce ke tantance amincin injina na iska. Ta hanyar allurar ƙaramin siginar sinusoidal mai ƙarancin ƙarfi a cikin kewayon mitar mai faɗi a ɗaya tasha da auna amsa a wani, yana ƙirƙirar "hantsi" na musamman na aikin canja wurin iska. Bambance-bambance a cikin wannan sa hannu daga tushen da ya gabata ko iska 'yar'uwa tana nuna yuwuwar lalacewar injina, kamar nakasawa, ƙaura, ko sassauƙan abubuwan da ke cikin cibiya da iska.

04 Shiryawa da jigilar kaya

4.1 Shiryawa

4.2 Shipping

05 Yanar Gizo da Takaitawa

A taƙaice, wannan tashar jirgin ƙasa ta 1.0MVA tana haɗa IEC 60076- ƙira mai dacewa, ingantaccen aiki (har zuwa 98.789%), ƙaƙƙarfan tsaro, da ingantaccen aiki, wanda ya dace da matsakaici{4}zuwa{6}} babban ƙarfin wutar lantarki da watsa grid. Ƙirƙirar ƙira don ƙarancin hasara, ingantaccen canjin wutar lantarki, yana aiki azaman amintaccen maganin makamashi don buƙatun masana'antu-haɗa tare da mu don keɓancewa ko ƙarin tallafin fasaha.