167 KVA Transformer Ogwe eletriki-13.8 / 0.24 / 0.12 KV|Guyana 2025

01 Izugbe

1.1 Nkọwa oru ngo

167 kVAogwe ọkụ eletrikE bugara ya na Guyana na 2025. Akara ikike nke transformer bụ 167 kVA na ONAN jụrụ oyi. The elu voltaji bụ 13.8 kV na ± 2 * 2.5% tapping nso (NLTC), ala voltaji bụ 0,12 / 0,24 kV, ha guzobere a vector otu Ii0.

The 167 kVA, otu -phase pole{2}}ngbanwe mgbanwe na-anọchi anya ngwọta a pụrụ ịdabere na ya nke ọma maka netwọk nkesa n'elu, nke e mere ka ọ gbadaa elu voltaji dị elu nke 13.8 kV gaa na obere obere -voltaji kewara{5} mmepụta nke 120/240 V. Ekepụtara na arụpụtara ya na C.SIIE2. yana ụkpụrụ usoro IEEE C57 metụtara ya, ihe ngbanwe a na-arụ ọrụ dị ka ihe dị mkpa maka ikesa ọkụ n'akụkụ ebe obibi, ọrụ ime ọkụ eletrik, akụrụngwa azụmahịa ọkụ, na ngwa ọrụ ugbo, na-enye ọkụ siri ike na nke dị elu{11} na obere mfu arụ ọrụ.

Ogwe eletrọnịkị nke ngbanwe ahụ nwere mmanụ siri ike-emikpu, nke onwe ya- na-eme ka ọ dị jụụ na ONAN (Oil Natural Air Natural) na-eme ka ọ rụọ ọrụ na-aga n'ihu n'okpuru okporo osisi dịpụrụ adịpụ-. Tankị igwe anaghị agba nchara agbachichara nwere mkpuchi ihu igwe{4}} na-eguzogide, elu {{5}voltage poselin bushings, obere -voltaji bushings, gbanyụọ{7}load tap changer, pressure enyemaka ngwaọrụ, na tank -nwụnye grounding ndokwa, na-eme ka ogologo oge na-adịgide adịgide na nchekwa gburugburu ebe obibi. Ihe ngbanwe ahụ na-akwado nhazi otu vector Ii0 ma jiri polarity subtractive, nke dabara na ụkpụrụ akara akara IEEE C57.12.70 maka otu - nkeji ma na-eme ka ọrụ kwụ ọtọ kwụ ọtọ yana njikọta na grid ọkọlọtọ.

Nchikota ya nke okporo osisi siri ike-Ejikwasịrị ụkpụrụ, elu dị elu{1}}teknụzụ isi ihe na-efunahụ ya, polarity mwepu ewepụtara, gbakwunyere mkpuchi dị elu na ike mkpirisi{2}, na-eme ka ọ bụrụ ụlọ ọrụ{3}}ihe ngwọta kacha amasị maka nnyefe ike ikpeazụ{{4}mile n'ime ime obodo yana ntọala mpaghara dịpụrụ adịpụ.

1.2 Nkọwa nka na ụzụ

167 kVA transformer eletriki ogwe nkọwa ụdị na mpempe akwụkwọ data

1.3 Eserese

167 kVA ihe ngbanwe eletriki eserese eserese na nha.

02 Nrụpụta

2.1 Isi

A na-eme isi ya nke dị elu-ọkwa, oyi{1} akpọrepu, ọka -ọka silicon ígwè nwere nhazi nkwonkwo ụkwụ steepụ, na-ebelata nhụsianya hysteresis na mfu ugbu a. A na-ekpochapụ isi ihe niile iji wedata ntufu foduru, na-ebute enweghị-load current na enweghị ibu- maka ịrụ ọrụ arụmọrụ ka mma. Sistemụ njigide ahụ na-eme ka nkwụsi ike nke igwe n'oge njem na ogologo oge-.

2.2 Ikuku

Ma ikuku HV na LV na-eji ikuku oxygen dị ọcha- na-eduzi ọla kọpa efu (nhọrọ aluminom) nwere kọmpat winding geometry. Interlayer na interturn mkpuchi na-arụ ọrụ dị elu{3}}okpomọkụ akwụkwọ ma ọ bụ Nomex® ihe, na-enye nnukwu mkpụmkpụ- okirikiri iguzogide ike. Nhazi ahụ na-eme ka nkesa ọkụ eletrik edo edo anya; A na-edobe ọkwa mwepụ akụkụ n'okpuru 1/3 nke oke ọkọlọtọ. Oke ịkụ aka na-ezute ± 2 × 2.5% ma ọ bụ ihe a chọrọ.

2.3 tank

A na-arụ tankị ahụ nke ejiri mechiri emechi nke ọma, nke ejiri efere igwe dị elu- wetara ya, ma nọrọ n'okpuru ule ntanye na nrụgide. A na-eji ihe mgbochi - corrosion n'èzí na-agwọ elu (C5{4}}M ọkwa maka gburugburu ebe ike ike), dabara adaba maka ikpughe ìhè anyanwụ, mmiri ozuzo, snoo na nnu nnu ogologo oge. Emebere mkpuchi ahụ na ọta mmiri ozuzo, a na-eme ka akụkụ bushes dị mma maka ịkwanye okporo osisi na njikọ eriri. Emebere ngwu radiator ma ọ bụ mgbidi corrugated maka mmụba okpomọkụ kachasị mma yana mgbasa mmanụ eke (ONAN jụrụ oyi).

2.4 Mgbakọ ikpeazụ

A na-eme mgbakọ ikpeazụ n'ụzọ siri ike dabere n'ụkpụrụ IEEE, gụnyere isi{0}} winding stacking, vacuum oil injection, mkpuchi mkpuchi na ntinye ngwa. Nhazi nke mkpokọta bụ kọmpat, yana nhazi ezi uche dị na{{2}voltaji na obere{3}voltaji bushings na mgbata mgbata, dabara n'obere elu- nwụnye nha na ike chọrọ. A na-ahazi polarity, vector otu na nhazi ikuku iji hụ na arụ ọrụ ubi kwụsiri ike na ntụkwasị obi.

03 Nnwale

A na-emecha ule niile na-aga n'ihu dịkaIEEE C57.12.90-2021, na ihe niile tozuru oke:

• Nguzogide ikuku, oke voltaji na ule polarity: tozuru oke
• Enweghị - ibu mfu & ugbu a: 0.366 kW, 0.47%, 3.294 A
• Ọnwụ ibu (ogo 85), mkpụmkpụ - mgbochi gburugburu & arụmọrụ: 1.257 kW, 2.36%, 99.23%
• Nnwale voltaji etinyere: HV 34 kV / 60 s, LV 10 kV / 60 s, enweghị ọdịda voltaji
• Nnwale anabatara voltaji: 150 Hz, 48 s, 2Ur, enweghị ọdịda voltaji
• Mkpuchi mkpuchi, akara na ule dielectric mmanụ: niile tozuru oke

04 Mbukota na mbupu

4.1 mbukota

• Nkwakọ ngwaahịa mbụ:A na-emechi ihe ngbanwe ahụ n'ime akpa foil aluminum n'okpuru oghere, wee tinye ya na igbe osisi.
• Lelee ọnọdụ agba:Tupu ịkwakọ ngwaahịa, a na-enyocha ihe osise maka ncha ma ọ bụ mmetụta ọ bụla; metụ{0}}a na-etinye eserese elu ka ọ dị mkpa.
• Akwụkwọ:A na-etinye akwụkwọ (akwụkwọ ntuziaka, akụkọ nyocha, wdg) n'ime igbe.
• Agba mapụtara:A na-etinye obere mkpọ agba mapụtara. A na-edepụta ọnọdụ ya n'ime crate na foto enyere onye ahịa.
• Nhazi pallet/base:A na-eji skids dị elu 140 mm (ụkwụ) mee ntọala akwa akwa osisi iji kwe ka ntinye ndụdụ si n'akụkụ abụọ dị iche.

4.2 Mbupu

A nakweere ngwa ngwa na ụgbọ njem, dabara adaba maka njem ala na oke osimiri. A na-edozi ma chekwaa usoro ahụ niile ka ọ ghara ịkwapụ na ndakọrịta. A na-enyochagharị ngwaahịa a tupu ebupu ya iji hụ na transformer abịaruteghị emebi ma enwere ike itinye ya ma tinye ya ozugbo ma ọ bịarutere.

05 Saịtị na nchịkọta

Ogwe mgbanaka{{0}obere oge{1}1 anyị na-agwakọta nrụnye kọmpat yana nrụnye dị mfe yana arụmọrụ a pụrụ ịdabere na ya. Ewuru ya na igwe silicon dị elu{3} yana ihe ejikọtara nke ọma, ọ na-ebute mfu dị obere-, ikike ibu ibu dị elu, yana ogologo ogologo ndụ ọrụ{{5}n'efu na gburugburu mpụta siri ike. Kwesịrị ekwesị maka ibu obibi, ọrụ ugbo na obere azụmahịa, ọ na-enye ngwọta ike dị mma na nke dị ọnụ ala{{7}.Họrọ transformer anyịmaka ezigbo mma na nkwado raara onwe ya nye. Kpọtụrụ ndị otu ahịa anyị maka nkọwapụta ma ọ bụ ịnye enyemaka.