6 MVA Custom Canjin Canji-69 / 3.45 KV|Jamaica 2025

01 Gabaɗaya

1.1 Bayanin Aikin

6 MVAwutar lantarkiAn isar da shi zuwa Jamaica a watan Oktoba 2025. Ƙarfin wutar lantarki na 6 MVA tare da sanyaya ONAN. Babban ƙarfin lantarki shine 69 kV tare da +4(-2) * 2.5% tapping range (OLTC), ƙarfin lantarki na biyu shine 3.45 kV, sun kafa ƙungiyar vector na Dd0.

Wannan na'urar taswira ta al'ada, wanda SCOTECH ya kera, naúrar - ne, na waje wanda aka tsara shi daidai da ka'idojin ANSI. Yana nuna babban inganci, yana kaiwa 99.38% a 50% lodi da 99.12% a cikakken kaya (0.8 PF), ba tare da{6}} lodi da asarar 5600 W da 36800 W bi da bi. A halin yanzu mai ban sha'awa a ƙimar ƙarfin lantarki shine 0.35%, kuma ƙa'idodin ƙarfin lantarki a 100% MVA da 0.8 pf shine 5.3%. An gina tafsirin tare da tankin da aka rufe da ƙarfe mai laushi mai ɗauke da maganin lalata C4, an gama shi da launin toka mai haske. An sanye shi da manyan manyan injina na OIP na OIP da ƙananan bushings{19}} ƙarfin lantarki guda uku, duka tare da tashoshi na spade kuma ana hawa akan murfin tanki. Ana ba da tashoshi biyu na ƙasa don aminci. Naúrar tana ba da tabbacin matakin amo na 66 dB da ɗan gajeren lokaci{23}}tsawon daƙiƙa 3. An saita iyakacin hawan zafi a digiri 65 don matsakaicin iska da saman man mai, da digiri 80 don zafi mai zafi{28}}tabo. Transformer ya haɗa da cikakken saitin na'urorin haɗi kamar mai da alamun zafin jiki, na'urar rage matsi, iskar gas, masu kamewa ga gefen HV, kashe -mai sauya famfo, alamun matakin mai, na'urorin wuta na yanzu, narkar da iskar gas mai hankali ta kan layi (HYDRAN 201R), na'urar rikodin tasiri, da IP65. Abubuwan da aka gyara da jerin gwaje-gwaje na yau da kullun da gwaje-gwaje na musamman, gami da jurewar wutar lantarki, gudu mai zafi, fidda kai, da gwaje-gwajen mita, ana kuma kayyade don tabbatar da dogaro da aiki.

Application (Inda Aka Yi Amfani da shi)

• An tsara wannan transfoma donTsarin wutar lantarki 50 Hzkuma yawanci ana amfani dashi a:
• Mataki - sama ko mataki -asashen tashoshin (69kV na farko / 3.45 kV na sakandare)
• Wuraren shakatawa na masana'antu, manyan masana'antu, iska ko masana'antar wutar lantarki don haɗin grid ko rarrabawa
• Shigarwa na waje a tsaunuka Kasa da ko daidai da 1000 m, dace daC4 kariyar lalatamuhalli (misali, yankunan bakin teku ko gurɓatattun masana'antu)

Ka'idojin Biyayya

An ƙera shi, kera shi kuma an gwada shi bisa ga:

• IEEE C57.12.00-2021– Gabaɗayan buƙatun don ruwa{0}}waɗanda aka nutsar dasu
• IEEE C57.12.90-2021– Gwajin lambar don ruwa{0}}tasfomai masu nutsewa
• Saukewa: IEC 60076-1-2011- Masu canza wuta - Kashi na 1 (an zartar da wani bangare)

1.2 Ƙayyadaddun Fasaha

6 MVA al'ada ikon masu canza wuta nau'in ƙayyadaddun ƙayyadaddun bayanai da takaddar bayanai

1.3 Zane

6 MVA na al'ada ikon wutar lantarki zane da girman zane.

02 Masana'antu

2.1 Kori

• Ƙirar ƙafa uku - ta amfani da babban -ƙarfan sanyi{2}}karfe silikon birgima.
• Babu - asarar nauyi 5.274 kW (a ƙarfin lantarki 100%) - fiye da garantin 5.6 kW.
• Core{0}zuwa{1}} juriya na rufin ƙasa 32.4 GΩ, ƙaramin tgδ - yana nuni da ingantaccen insulation.

2.2 Guda

• Duk windings na jan karfe don kyakkyawan aiki.
• Gwajin hawan zafi: HV iska 57.2 K, LV mai iska 49.6 K - da kyau ƙasa da iyakar 65 K.
• Rashin daidaituwar juriya na iska: HV 0.12%, LV 0.41% - yana nuna tsari na iska.

2.3 Tanko

• Tankin da aka rufe tare da murfin da aka rufe, ƙarfe mai laushi tare da C4 anti{1}}lalata.
• An sanye shi da: mai ɗaukar hoto (tare da diaphragm), na'urar taimakon matsa lamba, ma'aunin mai, alamar zafin mai, mai nuna zafin jiki.
• Gwajin matsa lamba na tanki: 30 kPa / 12h - babu zubarwa, ingantaccen tsarin tsari.

2.4 Kashe{1}}mai canza matsa

This off-load tap-changer, consists of three single-phase drum-type units vertically mounted on the lower side of the enclosure with linked operation. Ya dace da na'urorin wutar lantarki 72.5kV, wanda aka ƙididdige su a 200A, kuma an sanye shi da igiyoyi 25mm² guda takwas (kowanne yana da rufin gefe guda 6mm guda ɗaya) da sandar aiki 800mm (wanda za'a iya ƙarawa akan buƙata), yana ba da damar babu{11}}ƙa'idar ɗaukar wutar lantarki.

2.5 DGA

Wannan na'urar wutar lantarki ta al'ada tana sanye take da Hydran 201i akan layiNarkar da Gas Analysis (DGA)tsarin, wanda ke ci gaba da lura da iskar gas masu ƙonewa da ke narkewa a cikin mai (ciki har da hydrogen, carbon monoxide, acetylene, da ethylene) ta hanyar firikwensin hankali wanda aka saka kai tsaye akan bawul ɗin taswira. Yana bayar da daidaitaccen karatun hydrogen daga 0 zuwa 2,000 ppm, yana goyan bayan ƙararrawar iskar gas, ƙararrawar yanayin sa'a/kullum, da kuma gano kuskuren kai, yana ba da damar faɗakarwa da wuri game da kurakuran masu tasowa a cikin taswirar.

2.6 Buchholz relay

Relay na Buchholz na wannan na'ura mai ba da wutar lantarki yana ɗora kan bututu mai haɗawa tsakanin babban tanki da mai adanawa, yana lura da kwararar mai da iskar gas. Yana haifar da ƙararrawar gas mai haske don jinkirin kuskuren ciki (misali, fitarwa na ɗan lokaci ko zafi mai yawa) kuma yana ba da umarnin tafiya mai nauyi don manyan laifuffuka (misali, gajeriyar kewayawa), ta haka nan take cire haɗin wutar lantarki don kare taswirar daga lalacewa.

03 Gwaji

Duk sigogin fasaha daga ƙayyadaddun bayanai sun dace da sakamakon gwaji:

Duk maɓalli na maɓalli sun haɗu ko ƙetare ƙimar garanti.

04 Shiryawa da jigilar kaya

4.1 Shiryawa

• Ana jigilar manyan na'urorin wutar lantarki na al'ada yawanci ana jigilar suba tare da katako na katako baamma dadanshi - abin rufe fuska+ desiccant (ko akwatunan katako akan buƙata).
• Maɓalli masu mahimmanci (bushings, kayan aiki) an kiyaye su daban-daban don hana lalacewar sufuri.
• Anti{0}}tsatsa da maganin ɗanshi don jigilar kaya zuwa waje.

4.2 Shipping

• An tanadar da kayan ɗagawa da jacking pads don sauƙi / saukewa.
• Mai rikodin tasirishigar yayin jigilar kaya don lura da duk wani girgiza da ya wuce kima.
• Takardun jigilar kayayyaki sun haɗa da: sanarwar tattara kaya, tsakiyar alamun nauyi, alamun cokali mai yatsu / ɗagawa.

05 Halayen Masana'antu

• Copper windings- Low juriya, babban obalodi iyawa, rashin daidaituwa Kasa da ko daidai da 0.41%.
• Ma'adinan mai + mai kiyayewa tare da diaphragm- Yana hana iskar shaka mai, yana kara tsawon rayuwa.
• ONAN sanyaya- Babu magoya baya ko famfo mai, ƙaramar amo (tabbacin ƙasa da ko daidai da 66 dB), babban abin dogaro.
• Masu kama surge (pcs 3)- Haɗe-haɗe a gefen HV don kariyar overvoltage na walƙiya.
• Smart kan layi saka idanu- HYDRAN 201R narkar da iskar gas + mai rikodin tasiri.
• An kammala cikakken gwaje-gwaje na musamman- Hasken walƙiya, hawan zafin jiki, SFRA, asarar dielectric, da sauransu.