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Ngwọta Mgbanwe Ike Omenala ≤2500 kVA
Paramita ngwaahịa
| Ụdị | Ike | Ọkwa Voltaji | Jụụ | Ngwa |
| Transformer nkesa | 1,600 kVA | 11 kV / 400 V | NDỊ Ntorobịa | Ebe obibi/ụlọ ọrụ mmepụta ihe |
| Transformer Ike | 500 MVA | 220 kV / 33 kV | OFAF | Ebe nnyefe mpaghara |
| Transformer UHVDC | ±400 kV / 500 MVA | ±800 kV HVDC | Mmanụ a manyere | Grid dị n'etiti kọntinent |
| Transformer Rectifier | 20 MVA | 33 kV / 1.8 kV × 6-pulse | Ụdị akọrọ, nke ikuku jụrụ oyi | Elektrolysis nke aluminom |
nkọwa ngwaahịa
1. Ike Enyere (MVA/kVA)
Nkọwa: Ike kachasị elu na-aga n'ihu nke transformer nwere ike inye.
Oke nkịtị:
Transformers nkesa: ≤2,500 kVA (dịka ọmụmaatụ, nkesa ọdụ ụlọ ma ọ bụ ụlọ ọrụ mmepụta ihe).
Transformers Ike: Puku kwuru puku kVA ruo ọtụtụ GVA (dịka ọmụmaatụ, ọdụ nnyefe).
Transformers Ultra-High Voltage (UHV): Maka njikọ grid ma ọ bụ ojiji ụlọ ọrụ mmepụta ihe, transformers HVDC converter ruru ±800 kV.
;2. Ọkwa voltaji
Voltaji ntinye/mpụta:
Voltaji dị elu (HV): Dịka ọ na-adịkarị 33 kV ruo ±1,100 kV (dịka ọmụmaatụ, netwọk nnyefe).
Voltaji dị n'etiti (MV): 11 kV nkịtị, 22 kV, 33 kV.
Voltaji dị ala (LV): Ọ na-abụkarị 400 V ma ọ bụ 6.6 kV (nkesa nye ndị ọrụ njedebe).
Ngwa Pụrụ Iche:
Ndị na-agbanwe ihe na-agbanwe ihe: Maka igwe/kemịkal, voltaji ruru 30 kV+.
Ihe Mgbanwe Ụgbọelu: Emebere maka ike ụgbọ okporo ígwè, dịka ọmụmaatụ, 27.5 kV ma ọ bụ 1 × 25 kV.
;
3. Ugboro ole
Ọkọlọtọ: 50 Hz (China/Europe) ma ọ bụ 60 Hz (North America).
Ugboro Pụrụ Iche: 400 Hz maka ngwa ụgbọelu/ụgbọ mmiri.
;4. Sistemụ Jụụ
Mmanụ e mikpuru n'ime mmiri:
ONAN (Mmanụ Ikuku Okike): Ọkụ ikuku sitere n'okike.
ONAF (Mmanụ sitere n'okike nke ikuku na-amanye): Ikuku oyi nke a na-amanye iji mee ka ọ dị mma.
Ụdị Akọrọ: A na-eme ka ikuku jụọ oyi, ọ dị mma maka ebe dị n'ime ụlọ/ebe ọkụ na-anaghị emetụ aka (dịka ọmụmaatụ, ebe nchekwa data).
Igwe mkpuchi gas (GIS): SF6 gas mkpuchi, imewe dị obere maka obere ọdụ ndị nwere njupụta dị elu.
;5. Ụdị mkpuchi
Mmanụ e tinyere n'ime mmiri: Mmanụ mineral ma ọ bụ mmanụ ester (ọ dịghị mma maka gburugburu ebe obibi).
Ụdị Akọrọ: Ihe nkedo resin epoxy ma ọ bụ mkpuchi akwụkwọ Nomex (ọkụ/mgbawa anaghị agbawa).
Igwe anaghị agbaze: SF6 ma ọ bụ gas agwakọtara (ebe ndị nwere obere voltaji dị elu).
;6. Ịrụ ọrụ nke ọma
Ụkpụrụ nkịtị:
Transformers nkesa: ≥98% (enweghị ibu na mfu ibu dị ala).
Transformers Ike: ≥99% (ụdị voltaji dị elu na-arụpụta arụmọrụ ka elu).
Ụkpụrụ: Soro IEC 61620 ma ọ bụ IEEE C57.12 (dịka ọmụmaatụ, ihe EU chọrọ maka nhazi Eco).
;7. Njikọ otu
Ọdịiche nke Oge: Achọpụtara ya dị ka Dyn11, Yd11, nke na-egosi mmekọrịta dị n'etiti windings iji jikwaa harmonics na short-circuit currents.
;8. Voltaji Impedance
Nkọwa: Mbelata voltaji pasentị n'oge nnwale sekit dị mkpụmkpụ, na-egosipụta ikike iguzogide sekit dị mkpụmkpụ.
Ụkpụrụ nkịtị: 4–10% (transformers ike), ≤4% (transformers nkesa).
;9. Mmụba okpomọkụ
Oke: Transformers ndị e tinyere mmanụ na-eme ka okpomọkụ ha dịkwuo elu karịa ≤55 K (mmanụ dị n'elu na gburugburu 40°C).
Mgbanwe Gburugburu Ebe Obibi: Mpaghara ọzara chọrọ ka e mee ka ha dị elu.
;10. Ọkwa Nchedo
Koodu IP:
IP23: Ihe mkpuchi a na-echebe site na uzuzu, mmiri na-eguzogide.
IP66/IP68: Emechiri nke ọma megide uzuzu/mmiri (ngwa mmiri/oke osimiri).
Gburugburu Pụrụ Iche: Nnu fesa na-eguzogide nchara maka ojiji n'ụsọ oké osimiri/okpuru mmiri.
11. Ụdị Pụrụ Iche
Transformers Rectifier: Nhazi ọtụtụ pulse (dịka ọmụmaatụ, 12/24-pulse) iji belata harmonics.
Transformers Na-agbanwe Mgbapụ: Ihe mgbanwe mgbapụ n'elu ibu (OLTC) maka nhazi voltaji.
Transformers Pụrụ Iche:
Ihe na-agbanwe ọkụ eletrik: Emebere ya maka ibu oke ibu n'oge dị mkpirikpi (dịka ọmụmaatụ, ịgbaze ígwè).
Mgbanwe Zigzag: Sistemụ ntọala na-anọpụ iche maka mgbochi harmonic.
Ngwa Ọkwa Voluji Ike Ụdị Ngwa ...
Transformer nkesa 1,600 kVA 11 kV / 400 V ONAN Ebe obibi/ụlọ ọrụ mmepụta ihe
Transformer Ike 500 MVA 220 kV / 33 kV OFAF Ebe nnyefe mpaghara
Igwe mgbanwe UHVDC ±400 kV / 500 MVA ±800 kV HVDC Mmanụ mmanye dị n'etiti kọntinent
Transformer Rectifier 20 MVA 33 kV / 1.8 kV × 6-pulse Ụdị akọrọ, nke a na-eme ka ọ dị jụụ site na ikuku.
Gịnị mere ị ga-eji họrọ anyị
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