Ka ọ dị ugbu a, ndị na-agbanwe ọkụ ọkụ ọkụ China na-abụkarị usoro atọ siri ike na-akpụ usoro SC, dịka: SCB9 usoro ntụgharị windo atọ, usoro SCB10 usoro foil transformer SCB9 usoro atọ transformer foil transformer. 6-35kV, ikike kacha ruo 25MVA.Dry transformer bụ nke kewara n'ime transformer akọrọ na resin akọrọ transformer abụọ.
1. impregnated akọrọ ụdị transformer
A na -eji waya iko kpuchie waya nke ụdị ihe ntụgharị akọrọ na China, ejiri ihe mkpuchi kwekọrọ na ya na -ejigide akwa ahụ. A na-ejikarị ya na ọdụ ụgbọ mmiri na ụlọ ndị dị elu nwere ezigbo nguzogide ọkụ.
N'ihi ihe dị iche na agba na -agba agba, a na -ekewa mkpuchi transformer n'ime B, F, H, C, mkpuchi isi na vetikal (mkpuchi isi n'etiti winding na winding na n'etiti mkpuchi na isi mkpuchi.
Vetikal mkpuchi na -ezo aka mkpuchi n'etiti ihe dị iche iche na akụkụ dị iche iche nke transformer winding na dị iche iche nwere, tumadi gụnyere mkpuchi arụmọrụ n'etiti ibe, n'ígwé na ngalaba nke winding.Air na -eji dị ka insulating ọkara.
Ụdị transformer a na -emetụta gburugburu ebe obibi karịa ụdị resin ụdị akọrọ transperent, ọdịdị na ibu dịkwa ibu, mmepụta n'ụlọ na mba ofesi na -ebelata.
Enwere akara akara na nsọtụ abụọ nke winding, anaghị atụ egwu ebili mmiri, nguzogide ọkụ siri ike, mgbochi ọkụ n'ọkụ na -emeghe na 750 ℃, bụ ụdị ntụgharị ọkụ akọrọ. Enwere ike ekewa ihe na -ebute transformer nkedo n'ime ụzọ atọ ndị a.
Ụdị nke mbụ, nke a na -akpọ transformon ọnya ọnya ọnya, nnukwu voltaji ya bụ ọnya ọnya na -emebi mgbatị cylinder, obere voltaji bụ ihe nkedo ọnya silinda (ma ọ bụ segmented cylinder); Li Qian, Shaanxi nke mpaghara eletriki eletriki (otu) Co., LTD. Rịba ama maka enweghị nkedo nzacha.
Ụdị nke abụọ, nke a na-akpọ transformer foil-emerụ nkedo, nnukwu voltaji ya bụ ụdị nkedo ọnya ọnya, obere voltaji bụ foil ọla (ma ọ bụ aluminom foil) winding ụdị; a na-etinye njupụta na nju.
Ụdị nke atọ, nrụgide dị elu maka ọnya ọnya na -agbaji cylinder na -awụsa ụdị, ụdị foil ọla kọpa (ma ọ bụ aluminom foil); A na -etinye nkedo na -enweghị ihe nzacha.
Ụdị ngwaahịa atọ a dị n'elu nwere njirimara nke ha n'ichepụta na ịrụpụta ngwaahịa, ma ugbu a na -enwe oke ahịa n'ahịa. N'isiokwu a, anyị na -elekwasị anya na mkparịta ụka ọnya ọnya na -awụsa ihe ntụgharị ọkụ.
2. Waya ọnya nkedo transformer
2.1. Atụmatụ ihe owuwu
N'ime ụlọ ọrụ ike nke abụọ nke Baoji, ógbè Shaanxi, ndị na -agbanwe ọkụ akọrọ nke a na -eji n'ụlọ mmepụta ihe bụ waya na -ekesa ihe ntụgharị ọkụ, nwere ọkwa ọkụ ọkụ nke 6 kV, ikike nke 100 kVA ruo 1600 kVA, na ntinye n'ime ụlọ.
Ihe mkpuchi ikuku dị elu na nke dị ala nke ngwaahịa a bụ eriri ọla kọpa, ọnya zuru oke, eriri iko emebere nke ọma, mkpuchi dị mkpa, resin na -enweghị ihe nju, ịwụsa n'okpuru ọnọdụ agụụ, wee gwọọ ya dị ka usoro ịgwọ ọrịa okpomọkụ siri dị.
Igwe ikuku dị elu na-anabata usoro cylinder pụrụ iche, na ikuku ikuku dị ala na-anabata ụdị cylinder nwere ọtụtụ, ụdị cylinder segmented ma ọ bụ ụdị cylinder nwere nkewa dị ka ọkwa voltaji.
2.2 Atụmatụ nka
2.2.1 mmetụta na -eguzogide waya ọnya na -agbapụta nke transformer hv winding na -anabata usoro akụkụ cylindrical pụrụ iche, ihe owuwu a dabere na ngalaba bobbin winding nkịtị, ụdị cylinder nkịtị na -eketa ma uru nke bobbin winding effect resistance, ma dozie bobbin winding layer nke elu. voltaji n'etiti emegiderịta, bụ ezigbo winding Ọdịdị, Ọ na-akpọkarị na-abụghị resonant asọfe Ọdịdị.
N'iji ya tụnyere cylinder nkịtị nkewapụrụ iche, cylinder pụrụ iche nwere ike belata voltaji n'etiti akwa, melite nkesa voltaji, ma melite ike mmetụta nke ọma iji nagide oke ikuku na oke ọrụ.
Mmetụta mmetụta abụghị naanị metụtara nhazi nke ikuku, kamakwa ọ dabere na nkedo nke winding na akụrụngwa eletriki nke ihe mkpuchi.
Mgbe emechara winding nke ngwaahịa a, a na -awụpụ ya na resin dị ọcha na ọnọdụ agụụ, ọ nweghịkwa ihe ntinye agbakwunyere, ka arụ ọrụ nke resin ghara ibelata.
Ebe ọ bụ na eriri na -emerụ winding ahụ, resin nwere ike jupụta winding ahụ kpamkpam, na -agbanyeghị site na axial ma ọ bụ radial nke winding ahụ, ọ nweghịkwa afụ n'ime.
Ọdịdị: Akwụkwọ a na -ewepụta nhazi ọkwa na njiri mara transformer akọrọ, ma lekwasị anya na njiri mara nke ọnya ọnya na -awụsa transformer, njiri mara teknụzụ, sistemụ jụrụ oyi, usoro njikwa okpomọkụ na ihe ndị ọzọ, chịkọtara atụmanya mmepe nke transformer akọrọ. akọrọ transformer; Waya ọnya mgbatị transformer nhazi ọkwa.
Mmiri resin na iko nke nwere mkpuchi siri ike, ọ bụghị naanị ezigbo nguzogide mmetụta, na mwepụta mpaghara dị obere.
2.2.2. Good n'ibu ike na ike obere-circuit eguzogide. Maka ụdị eriri ikuku ekewara ekewa, mgbe ịwụsịrị oghere, enwere ike itinye resin n'etiti akwa, ntụgharị na ngalaba nke ikuku n'otu oge.
Mgbe a gwọchara ya, resin, waya na eriri iko na-ejikọ ọnụ nke ọma iji mepụta usoro ahụ siri ike siri ike. Njirimara ike dị elu nke ihe owuwu ahụ na-ekpebi na ngwaahịa nkedo ọnya ọnya nwere nguzogide dị mkpụmkpụ.
Oghere mgbasawanye ọkụ nke ihe na-egbochi ihe mejupụtara site na ịgwọ resin na eriri iko bụ (18 ~ 20) × 10-6/K, yana mmụba ọnụọgụ nke ọla kọpa ejiri mee winding bụ 17 × 10-6/K, nke bụ ihu ọma abụọ. Ọ na -ewepụ nchekasị dị n'agbata ikuku ikuku na ihe mkpuchi ihe kpatara mmụba ọkụ na nsụkọ oyi n'oge ọrụ nke transformer. Site na mgbọrọgwụ iji kpochapụ ihe mgbawa.
Dị ka ngwaahịa a na -etinye resin na nrụgide dị elu na nke dị ala, a na -ejikwa resin kpuchie isi ya, ọ nwere mmiri siri ike na nguzogide corrosion. Mgbe iru mmiri ikuku dị 100%, ọ ka nwere ike ịga ogologo oge.
N'ihi na mkpuchi mkpuchi nke mejupụtara resin dị ọcha na eriri iko nwere oke ọkụ eletrik dị elu, ọkpụrụkpụ mkpuchi nke ngwaahịa a bụ naanị 1.5 ~ 2 mm, nke na -eme ka arụmọrụ ikpo ọkụ dị elu nke ikuku ikuku dị mma nke ukwuu.
2.3. Usoro jụrụ oyi na nchedo
A na -eme ka ihe ntụgharị ọkụ na -ajụ oyi site na ikuku ikuku ikuku na ikuku ikuku na -amanye ikuku. onye ofufe.
Mgbe obi jụrụ oyi site na mgbasa ikuku na-amanye, ike nke ụdị ntụgharị ụdị akọrọ nwere 800 kVA na nke dị n'okpuru nwere ike ịbawanye site na 40%, na ụdị ntụgharị ụdị akọrọ nwere 800 kVA na karịa nwere ike ịbawanye site na 50%, ma nwee ike na-aga n'ihu.
Ihe ntụgharị ọkụ akọrọ bụ nchekwa IP00 n'ozuzu, ya bụ, na -enweghị shei, ojiji ime ụlọ, Baoji ike eletrik nke abụọ bụ iji ọnọdụ nchedo a.
Ụlọ IP20 na -egbochi ntinye nke ihe si mba ọzọ siri ike karịa 12 mm ma na -enye ihe mgbochi na akụkụ ndụ. Mgbe anabatara nchedo IP23, ewezuga ọrụ nchekwa IP20, ọ nwekwara ọrụ nke igbochi mgbochi mmiri.
2.4. Usoro njikwa okpomọkụ
Ọrụ nchekwa na ntụkwasị obi na ndụ ọrụ nke transformer ike dabere na nchekwa na ntụkwasị obi nke mkpuchi winding.The okpomọkụ nke asọfe gafere okpomọkụ mkpuchi bụ otu n'ime isi ihe mere na mkpuchi na -ebibi na transformer ike na -arụ ọrụ kwesịrị.
SC usoro waya ọnya nkedo transformer adopts XMTB akpaka okpomọkụ akara nchedo system.A platinum thermal eguzogide okpomọkụ n'ihe mmewere na-agbakwunyere na mbụ uzo nke ala-voltaji asọfe waya na-akpaghị aka chọpụta okpomọkụ ịrị elu nke asọfe, na-egosipụta okpomọkụ nke atọ -phase winding voltaji dị ala, wee nye ha nchekwa nchekwa.
Site na mgbanwe nke ikuku na ibu, mgbe ikuku na -erute oke oke, onye na -ahụ maka ọnọdụ okpomọkụ ga -ezipụ mgbaàmà ozugbo iji jikwaa mmalite onye ofufe (110 ℃), nkwụsị fan (90 ℃), mkpu (120 ℃) na njem. (145 ℃), nke mere na ngwaahịa a nwere ntụkwasị obi karịrị oke ọrụ na arụ ọrụ.
Ndị na -agbanwe ihe nkedo waya SC3 usoro na -anabata teknụzụ M&C maka nchọpụta okpomọkụ na njikwa windings transformer, ma mepụta njikwa okpomọkụ nke nwere ike ịchọpụta ọnọdụ okpomọkụ nke windings ozugbo, wee chọpụta njikwa ikuku jụrụ oyi (AF), mkpu oke oke na njem oke okpomọkụ. transformer.
Mgbe mwepụsịrị ike nke onye na -ahụ maka ọnọdụ okpomọkụ, a na -ebu ụzọ etinye transformer n'ime ọrụ netwọkụ, emesia ike onye na -ahụ maka okpomọkụ na -enweta ume maka ịrụ ọrụ. Onye na -ahụ maka ọnọdụ okpomọkụ nọ na ọnọdụ njikwa akpaka, a na -achọpụta nchọpụta okpomọkụ na nchekwa nke transformer. Mgbe okpomoku nke ikuku ikuku dị elu karịa 110 ℃, onye na -ahụ maka ọnọdụ okpomọkụ na -amalite onye ofufe maka ịjụ oyi; Ọ bụrụ na ikuku ikuku na -agbada n'okpuru 90 ℃ n'okpuru ikuku jụrụ oyi, onye ofufe ga -akwụsị.
Ọ bụrụ na a na -abawanye ọnọdụ okpomọkụ nke ikuku ikuku, onye na -ahụ maka ọnọdụ okpomọkụ ga -ewepụta mkpu oke oke (155 ℃) yana akara njem njem oke oke (170 ℃) .Mgbe onye na -ahụ maka ọnọdụ okpomọkụ ada ada ma enweghị ike wepu ya nwa oge, wepu onye na -ahụ maka ọnọdụ okpomọkụ, onye na -agbanwe ọkụ. nwere ike ịga n'ihu na -arụ ọrụ, naanị mkpa inyocha ma hụ na transformer nọ n'ọnọdụ ọrụ nkịtị.
3. Tụnyere n'etiti transformer akọrọ na igwe transformer mmanụ
Ihe dị mkpa na ọnụ ahịa dị ala nke ndị na-agbanwe ọkụ na-emikpu n'ime mmiri siri ike iji dochie anya ndị na-ahụ maka ọkụ. .
Mana maka ebe nwere oke nchedo ọkụ, a na-eji ụdị akọrọ ma ọ bụ mmiri na-anaghị enwu enwu na ndị na-agbanwe ọkụ mmiri na-anaghị enwu ọkụ. , ikike ikpo ọkụ buru ibu, na oge ntụgharị oge niile buru ibu.
E jiri ya tụnyere mmanụ - onye na -agbanwe ọkụ emikpu, a na -eme ka ọnọdụ mkpuchi mkpuchi akọrọ dị mma ka mma.
Igwe ọkụ ọkụ ọkụ ọkụ ọkụ ọkụ pere mpe, ọrụ ime ụlọ karịa. E jiri ya tụnyere ndị na-agbanwe ọkụ na-emikpu n'ime mmanụ, ọ na-enwe njupụta ọkụ ọkụ ọkụ dị ala, isi ebili mmiri na-efe efe na obere ihe omume puru omume.
A na -echebe ndị na -agbanwe ihe ọkụ ọkụ site na ndị na -ejide oxide ọla, nke na -ejedebeghị oke ikuku ikuku, kamakwa na -amachi oke ikuku n'ime.
Oge ezipụ: Jul-26-2021