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Ihe DINGXIN Transforma nke ihe ọkụ ọhụrụ na-eme ka ọ dị mma bụ transformer nke e wepụtara maka ihe a na-eme ihe ọkụ ọhụrụ na-eme ka ọ dị mma na network nke ihe ọkụ ọhụrụ na-eme ka ọ dị mma na-eme ihe nke ọkụ. Nke a na-eme ihe nke ọkụ site na 400 kVA ruo 10000 kVA , otu ihe ọkụ ọhụrụ na-eme ka ọ dị mma na-eme ka ọ dị mma nke ihe ọkụ ọhụrụ na-eme ka ọ dị mma, ihe ọkụ ọhụrụ na-eme ka ọ dị mma, fuse, ihe ọkụ ọhụrụ na-eme ka ọ dị mma na ihe ọkụ ọhụrụ na-eme ka ọ dị mma na-eme ka ọ dị mma nke ihe ọkụ ọhụrụ na-eme ka ọ dị mma — na ihe ọkụ ọhụrụ na-eme ka ọ dị mma na fuse dị na isi ihe ọkụ ọhụrụ na-eme ka ọ dị mma.
Nhazi a dị n'otu nke mbụ e webatara na ụlọ ọrụ ikuku na 1990 na-ebelata akara ụkwụ na turbine pad ma ọ bụ nchịkọta nchịkọta ọ bụla, na-eme ka eriri dị mfe na saịtị, ma na-enye njikọ dị n'etiti nke ọma maka ugbo ala ifufe. Dingxin na-eme ka imewe ahụ dị ọhụrụ site na iji njikọ eriri nke nwere ihe mkpuchi zuru ezu na onye na-ejide ihe na-emetụ aka , na-ewepụ akụkụ nile na-ekpughe elu voltaji na-arụ ọrụ maka nchekwa kachasị nke onye ọrụ na ebe ndị dịpụrụ adịpụ, ndị na-enweghị nchebe.
Maka ọtụtụ MW ifufe turbines, DINGXIN awade nnukwu ikike nkeji (400010000 kVA) na Akara HV ruo 38.5 kV (35 / 36.75 / 37 / 38.5 kV) na LV aha nke 0.69 / 0.8 / 0.95 / 1.14 kV na-eme ka ike nke igwe na-emepụta ikuku nke oge a nke 315 MW. Ụlọ ọrụ ndị a buru ibu nwere radiator dị n'èzí na onye na-eme ka ihe dị mma ka ọ dị mma iji gba ụtọ nke ịkpọ ụtọ na ntọala nke akara ọil, ịkwalite oge ịdị mma nke transformer n'ime nguzozi dị elu na ndị dị iche iche nke ihe ọ bụla nke wind generation.
E nwere ihe abụọ nke ọkụ:
1. Nke nwere ike ịkpọ ụtọ nke ọdịnala, ọ dịghị ihe ọ bụla nke e nwere ike ịkpọ ụtọ nke e nwere ike ịhụ Nke 12 kV / 40.5 kV nke ọdịnala ahụ na-eme ka ọ dị mma iji gba ụtọ nke kable nke e wepụtara na arrester nke e nwere ike ịhụ. Ihe niile nke e nwere ike ịkpọ ụtọ nke ọdịnala ahụ na-eme ka ọ dịghị ihe ọ bụla nke e nwere ike ịkpọ ụtọ nke ọdịnala nke e nwere ike ịhụ, ịkwalite oge ịdị mma nke ịkpọ ụtọ na ịdị mma nke ịkpọ ụtọ nke ọdịnala nke e nwere ike ịhụ n'ime nguzozi dị iche iche nke ihe ọ bụla nke wind farm — coastal, desert, high-altitude na cold-climate sites alike.
2. Dual-Box Independent Maintenance Nke nke nwere ike ịkpọ ụtọ nke ọdịnala nke sub-box ahụ na-eme ka ọ dị mma iji gba ụtọ nke transformer na HV components n'ime ihe abụọ nke e nwere ike ịkpọ ụtọ nke ọdịnala nke e nwere ike ịhụ. E nwere ike ịme ihe a ka ọ dị mma iji gba ụtọ nke ọdịnala nke ọil na HV section n'ime ihe abụọ nke e nwere ike ịkpọ ụtọ nke ọdịnala nke e nwere ike ịhụ. gbanwee n'ime ihe abụọ nke e nwere ike ịkpọ ụtọ nke ọdịnala nke e nwere ike ịhụ , ka ọ dị mma iji gba ụtọ nke turbine na-aga n'ihu na ịkwalite oge ịdị mma nke ịkpọ ụtọ nke ọdịnala nke e nwere ike ịhụ n'ime oge 20–30 year wind farm lifecycle.
3. Flexible Terminal & Ring-Main Wiring Ọ bụrụ na ọ bụrụ terminal (Z) na ring-main (H) ngwa iji ede eletrik na-eme, nke nwere ike inye ngwa iji gosi ihe ndi ozi na-eme maka ihe ndi ebe a na-eme ihe ndi ozi, ihe ndi ebe a na-eme ihe ndi ozi ma ọ bụ ihe ndi ebe a na-eme ihe ndi ozi na-eme. ihe ndi ebe a na-eme ihe ndi ozi na-eme na-eme ihe ndi ebe a na-eme ihe ndi ozi na-eme.
4. Ngwa iji gosi ihe ndi ozi na-eme nke abuo
Nke a na-eme ihe ndi ozi nke abuo maka ihe ndi ozi nke abuo na ihe ndi ozi nke abuo nke e nwere ike ime na ihe ndi ozi nke abuo nke ihe ndi ozi nke abuo.
5. IP68 na-eme ihe ndi ozi, ihe ndi ozi nke abuo Tank nke oil bụ rated IP68 ma ọ bụrụ na otu unit niile na-aga n'ụzọ ahụ 50 kPa / 12-hour ntọala nke ịkwado ịdị ọcha ole, iji gosi na enweghị ịdị ọcha ole n'ime ọrụ nke ọtụtụ oge n'elu ụwa — ihe dị mkpa maka ụlọ ọrụ wind nke dị ịrịba ama na ụlọ ọrụ nke na-aga n'ihu n'elu ụwa.
6. Teknọlọji Nchebe Nke Ozi DINGXIN na-enye ihe ọkachamara nke robotik n'ime ọrụ nchebe iji wepụta ihe ọkachamara na ihe ọkachamara nke ọrụ:
|
Oke |
Nkọwapụta |
|
Ụdị Ngwaahịa |
Transformer nke Wind Power Combined |
|
Nchekwa nke Ebe Ahụ Si Gba |
400–10000 kVA (n'okpuru 16000 kVA maka ngwa nke turbine nke ịdị elu n'ime ọrụ) |
|
Klasi nke Voltage nke Ebe Ahụ Si Gba |
≤ 35 kV na 10 kV (n'okpuru 38.5 kV maka ngwa nke ịdị elu) |
|
Nchekwa nke HV |
10 / 20 / 35 / 36.75 / 37 / 38.5 kV |
|
LV Ratings |
0.4 / 0.69 / 0.8 / 0.95 / 1.14 kV |
|
Ọnụ nchekwa |
50 Hz (60 Hz bụ ihe nke a chọrọ) |
|
Klasi nke insulation nke transformer |
Ụlọ A |
|
Ọkụ nke winding |
≤ 65 K |
|
Ọkụ nke oil-top |
≤ 60 K |
|
Ntuziaka |
Ọkụ akụkọ abụọ |
|
Guru nke ịgbakwunye |
Dyn11 |
|
Voltage nke impedance |
4–6% (≤2500 kVA) / 7–10% (>2500 kVA) |
|
Lebel Insulation |
LI200AC85 / AC5 (site 35 kV) |
|
Mmekọrịta nke wiring |
Terminal (Z) / Ring Network (H) |
|
Ihe ọkụrụ nke ihe |
Ihe ọrụ nke ụlọ ọkụ nke ọkụ na-eme ka ọ dị mma / Ihe ọrụ nke ụlọ ọkụ nke ọkụ nke ụlọ ọkụ nke ọkụ |
|
12 kV Side Outlet |
Prefabricated cable joint + touchable plug-type arrester |
|
40.5 kV Side Outlet |
Prefabricated cable joint + touchable plug-type arrester |
|
12 kV Fuse Protection |
Plug fuse + backup protection fuse |
|
40.5 kV Fuse Protection |
Gbakwunyere fuse nke e wepụtara |
|
Nkọwa HV na Transformer |
Nkọwa Busbar (nke nwere ike ịmepụta ihe dị mma maka ihe ọhụrụ) |
|
Oil Tank Design |
Sealed tank (small capacity) / External radiator + conservator (large capacity) |
|
Ịkpọ ọkụ — Oil Tank |
IP68 |
|
Ịkpọ ọkụ — HV / LV Chamber |
IP45 |
|
Test nke ịkpọ ọkụ |
50 kPa / 12 hours — enweghị ikpọ ọkụ |
|
Ishie ihe nke ebe a na-eme ihe |
Ishi ihe nke robotik nke na-eme ihe nke onwe ya |
|
Ishi ihe nke HV Coil |
Ishi ihe nke otu meshe, DPE point-glue paper interlayer insulation |
|
Ishi ihe nke LV Coil |
Ishi ihe nke otu foil, argon-protected welding, F-class pre-impregnated cloth |
|
Ishi ihe nke tank |
Ishi ihe nke robotik nke na-eme ihe nke onwe ya |
|
Ọgwụgwọ elu |
Ishi ihe nke robotik nke na-eme ihe nke onwe ya, anti-corrosion coating |
|
Oke |
Nkọwapụta |
|
Ọkụlụ |
≤ 3000 m |
|
Nzụrụ Ọsọ |
−40 °C ruo +45 °C |
|
Ihe ngwọta nke ụgwọ nke ọdịda |
≤ 30 m/s |
|
Ihe ngwọta nke ụgwọ nke ọdịda (nke ọdịda) |
≤ 95% |
|
Nkọwa nke ọkụ (nke ọnwa) |
≤ 90% |
|
Ihe ọkụ na-aga |
Ebe a na-akpọ ihe ọkụ dị ka sine wave, nke atọ dị ka ihe ọkụ nke atọ |
|
Ụkpụrụ |
Nweta |
|
IEEE C57.12.00 |
Ihe ndị ọrụ nke transformer nke na-aga n'okwu, nke na-aga n'ọkụ, na nke na-aga n'okwu |
|
IEEE C57.12.10 |
Transformer nke ọkụ > 500 kVA |
|
IEEE C57.12.34 |
Pad-Mounted, Self-Cooled, Three-Phase Distribution Transformers (HV side ≤ 34.5 kV) |
|
IEC 60076-1 |
Power Transformers — General |
|
IEC 60076-2 |
Power Transformers — Temperature Rise |
|
IEC 50588 |
Energy-Efficiency Standard for Distribution Transformers |
|
IEC 62271-202 |
High-Voltage / Low-Voltage Prefabricated Substations |
|
GB/T 10217 |
Ihe nwere ike ịkpọ ụzọ nke ọkụ ọpụpụ |
|
GB 1094.1 |
Ihe nwere ike ịkpọ ụzọ — Nkọwa 1: Nke ọma |
|
GB/T 6451 |
Ihe ọmụmaatụ na koodu nke ntọala nke transformer nke ihe ọkụ na-eme n'ọkụ nke isi ihe |
|
GB 20052 |
Nchekwa nke ihe ọkụ na-eme na nguzo ihe ọkụ nke transformer nke ihe ọkụ |
|
GB 3804 |
363 kV AC voltaji ibu switches |
|
GB 7251.1 |
Ngwá ọrụ na-agbanwe agbanwe na-agbanwe agbanwe na-agbanwe agbanwe na-agbanwe agbanwe |
|
Ihe ọkụ nke ọkụ (kVA) |
NX1 Ihe ọkụ nke ọkụ (kW) |
NX1 Ihe ọkụ nke ọkụ (kW) |
NX2 Ihe ọkụ nke ọkụ (kW) |
NX2 Ihe ọkụ nke ọkụ (kW) |
NX3 Ihe ọkụ nke ọkụ (kW) |
NX3 Ihe Ọgbakọ Nke Energi (kW) |
|
1000 |
0.63 |
10.35 |
0.75 |
10.35 |
0.86 |
10.93 |
|
1250 |
0.77 |
12.51 |
0.91 |
12.51 |
1.05 |
13.21 |
|
1600 |
0.93 |
14.94 |
1.10 |
14.94 |
1.27 |
15.77 |
|
2000 |
1.19 |
16.47 |
1.41 |
16.47 |
1.49 |
17.39 |
|
2250 |
1.29 |
17.06 |
1.52 |
17.06 |
1.68 |
17.55 |
|
2500 |
1.41 |
17.64 |
1.66 |
17.64 |
1.77 |
18.62 |
|
2750 |
1.52 |
19.05 |
1.80 |
19.05 |
1.98 |
20.11 |
|
3000 |
1.62 |
20.29 |
1.91 |
20.29 |
2.13 |
21.41 |
|
3150 |
1.67 |
20.70 |
1.98 |
20.70 |
2.21 |
21.85 |
|
3500 |
1.81 |
22.36 |
2.13 |
22.36 |
2.43 |
23.60 |
|
3750 |
1.93 |
23.60 |
2.25 |
23.60 |
2.58 |
24.91 |
|
4000 |
2.00 |
24.60 |
2.30 |
24.60 |
2.61 |
25.90 |
|
4250 |
2.11 |
26.08 |
2.49 |
26.08 |
2.88 |
27.53 |
|
4500 |
2.19 |
27.12 |
2.59 |
27.12 |
3.03 |
28.62 |
|
4750 |
2.29 |
27.66 |
2.71 |
27.66 |
3.10 |
29.16 |
|
5000 |
2.40 |
28.20 |
2.80 |
28.20 |
3.15 |
29.70 |
|
6300 |
2.90 |
31.50 |
3.40 |
31.50 |
3.78 |
33.30 |
|
8000 |
4.00 |
34.60 |
4.70 |
34.60 |
5.22 |
36.50 |
|
10000 |
4.80 |
40.80 |
5.70 |
40.80 |
6.30 |
43.00 |
|
12500 |
5.50 |
48.40 |
6.50 |
48.40 |
7.20 |
51.10 |
|
16000 |
6.70 |
59.20 |
7.90 |
59.20 |
8.73 |
62.50 |
NX1 bụ ihe ọzọ nke e nwere ike ịkpata ihe ngwusi dị elu (ihe ngwusi dị ala). Ihe ndị ọzọ nke ịdị iche iche (2250–4750 kVA) na ihe ndị dị elu nke ịdị iche iche ruo mgbe 16000 kVA enwere ike ịdị n'ime ihe ndị ọzọ nke turbine nke ịdị iche iche na ihe ndị ọzọ nke ịdị iche iche nke ịdị iche iche.
Z (Ihe Ndị Ọzọ) — G (Ihe Nkọwa Nke Ịdị iche iche) / F (Ihe Nkọwa Nke Ịdị iche iche) — Nkọwa Nke Ịdị iche iche — Ihe Nkọwa: Z (Ihe Nkọwa) / H (Ihe Nkọwa Nke Ịdị iche iche) — Ihe Nkọwa Nke Ịdị iche iche — HV Nkọwa (kV) — LV Nkọwa (kV) — Ihe Nkọwa Nke Ịdị iche iche (kVA)
DINGXIN wind power combined transformers bụ ihe a na-eji ya maka ụfọdụ nke project. Ihe ndị dị iche iche a na-enye bụ:
|
Ihe kpatara ihe kpatara |
Ọgwụgwụ |
|
Nkọwa Otu |
KVA rating nke project bụ ihe a na-eme maka output nke turbine generator |
|
Voltage nke mbụ / nke abụọ |
HV / LV ratings kpatara n'ime ≤ 35 kV class |
|
Mmekọrịta nke wiring |
Terminal (Z) ma ọ bụ Ring-Main (H) — ma ọ bụ abụọ ha n'otu unit |
|
Ihe ọkụrụ nke ihe |
Sub-box type nke e wepụtara niile (dual-box) ma ọ bụ porcelain sleeve outlet type |
|
Ihe nchekwa nke fuse |
Fuse nke plug + fuse nke nchekwa (12 kV) ma ọ bụ fuse nke ịkpụ ụdị dry (40.5 kV) |
|
Guru nke ịgbakwunye |
Dyn11, Yyn0 ma ọ bụ ihe ndị ọzọ nke vector group site na akwụkwọ nke project |
|
Tap range |
±2×2.5% ma ọ bụ ±5% (off-circuit ma ọ bụ on-load tap changer) |
|
Ụlọ Ntụ |
Mineral oil ma ọ bụ ester fluid (biodegradable, high flash point) |
|
Nchekwa nke enclosure |
Agba nke e wepụtara n'otu ahịa color na grade maka coastal / offshore sites |
|
Ịkpata |
N'ịgwa gị okwu, ị ga-achọ ka ị na-eme ihe ndị a: |
|
Ihe ndị dị na ambient |
Ndị na-ekpo ọkụ na-ekpo ọkụ, ndị na-eme ka elu dị elu dị elu, ndị nwere ikike ala ọma jijiji |
Kpọtụrụ Dingxin na nkọwapụta nke ọrụ ifufe gị (aha turbine, voltaji nchịkọta, ọnọdụ saịtị) maka ọnụahịa ahaziri iche.
Ajụjụ 1: Gịnị bụ ikuku ike jikọtara transformer? Igwe ọkụ eletrik jikọtara ya na ikuku bụ ihe dị nro nke na-etinye ihe ntụgharị ọkụ, HV switchgear, fuse, mgba ọkụ na ngwa enyemaka n'ime otu ụlọ. A na-etinye mgba ọkụ HV na fuse n'ime tank mmanụ, na-enye obere ụkwụ zuru oke maka ikuku ikuku na-agbago na ntọala nke turbine ọ bụla ma ọ bụ na ikuku ugbo nchịkọta.
Q2: Olee ụdị ihe abụọ e ji arụ ụlọ? (1) Ụdị igbe nke a na-ekpuchi kpamkpam ihe ntụgharị na HV n'ime igbe abụọ dị iche iche, na-enye ohere ịrụzi iche iche ma gbochie mmetọ mmanụ. (2) Ụdị igbe mpụta nke mpempe akwụkwọ maka ihe ndị a na-ahụkarị na-ekpughe ọnụ.
Ajụjụ nke atọ: Olee otú imepụta ihe ndị e ji ekpuchi ikuku si eme ka ebe a na-arụ ọrụ ikuku dịkwuo nchebe? Ụdị a na-ejikọta ya na-eji eriri eriri arụpụtara na onye na-ejide ihe nkwụnye aka maka mpụta n'akụkụ. Ngwaahịa ahụ dum enweghị akụkụ ndị na-arụ ọrụ na-arụ ọrụ nke ọma, na-enye nchebe dị elu na ọrụ nchekwa na gburugburu ebe obibi siri ike mpaghara mmiri, ọzara, ebe dị elu na ebe ikuku dị jụụ.
Q4: Olee ihe e ji echebe fịzị? ngwaahịa 12 kV na-eji fuse plọg jikọtara ya na fuse nchekwa nchekwa maka nchebe abụọ. Ngwaahịa 40.5 kV na-eji ihe nkwụnye akọrọ. Nke a na-eme ka a hụ na nkwụsịtụ nke nkwụsịtụ nke nkwụsịtụ dị mma maka ma obere ma nnukwu ọkwa nkwụsị na netwọk ikuku ikuku.
Q5: Olee otú ụlọ ahụ si echebe mmadụ? A na-enyocha mmanụ mmanụ IP68 na ụlọ HV / LV na IP45. A na-enyocha tankị ọ bụla na 50 kPa / 12 awa iji hụ na mmanụ adịghị agwụ.
Ajụjụ nke 6: Ihe ntụgharị ikuku ahụ ọ̀ pụrụ ịkwado ma eriri ikuku na eriri ikuku? Ee, ọ bụ ya. A na-akwado ma usoro ntanetị (Z) na eriri (H), na-enye ohere imepụta eriri nchịkọta dị mfe maka topologies radial ma ọ bụ looped wind farm.
Ajụjụ nke asaa: Olee ọnọdụ ndị dị n'ebe ndị mmadụ bi nke a pụrụ ịnagide? Elu mmiri ≤ 3000 m, okpomọkụ gburugburu ebe obibi −40 °C ruo +45 °C, ọsọ ifufe dị n'èzí ≤ 30 m/s, iru mmiri kwa ụbọchị ≤ 95%, nkezi kwa ọnwa ≤ 90%. Kwesịrị ekwesị maka ugbo ala, nke dị n'oké osimiri, nke dị n'ụsọ oké osimiri, nke dị elu na nke dị jụụ.
Ajụjụ 8: Olee ụkpụrụ ndị ngwaahịa a na-agbaso? IEEE C57.12.00, IEEE C57.12.10, IEEE C57.12.34, IEC 60076-1, IEC 60076-2, IEC 50588 ma ọ bụ IEC 62271-202. Full type-test reports ma ọ bụ FAT documentation na-enye.






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