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Waxaa DINGXIN Photovoltaic Combined Transformer waa muwaadaha oo la isticmaalo ku dhisnay oo la isticmaalo ku dhisnay solar PV inverter step-up iyo PV plant collector network la isticmaalo. Ku dhisnay qaybta oo la isticmaalo ku dhisnay 400 kVA ilaa 10000 kVA , markaas inta badan ay la sameeyo qaybta transformer, qaybta high-voltage switchgear, fuse, tap switch iyo qaybta caadiga ah oo dhan kuwa soo socda, oo la sameeyo kuwa soo socda ka dib marka laga sameeyo — waxaana kuwa soo socda si loo sameeyo qaybta ugu muhiimka ah ee step-up ee kuwa soo socda iyo medium-voltage grid.
Transformerku waxa uu sameeyaa inverterka soo socda — mararka qaar 0.27 kV / 0.315 kV / 0.4 kV / 0.69 kV — kuwa laga helo shabakadda kaalinta 10 kV / 35 kV / 38.5 kV , waxay uga sameeyaan la xidhiidhka mid-dhaqanka (medium-voltage) ee gacanta PV. Ammaanaha oo la siiyey waa la soo diri karaa substationka gacanta iyadoo la isticmaalayo kabelka ku jira dhulka ama xariirka ku jira dhulka.
Marka ay gaar ahayn ugu badan ee dhaqanka nolosha ah ee dhaqanka iyo dhaqanka dunida ah — kuwa lagu xidhiidhdo dhaqanka caafimaadka ah iyo dhaqanka la xidhiidhdo dunida ah — DINGXIN PV combined transformers waa la sameeyay inay xaqiijin doonaan talooyinka gacanta solar ee caasimka ah:
Waxaa la isticmaaliyey laba noocaabka qaybta ah:
Nooca |
Sharaxaad |
Waxaa ugu yaraa |
Nooc Sub-Box ee Dhammaystirka |
Transformerka iyo qaybaha HV ku jiraan laba boxooyin kala duwan; waxay siiyaan horumar kala duwan iyo ugu dhaqameynaysa ku dhaqameyn karaan oil-ka |
Kuwa PV ee ku saabsan meelaha caalamiga ah oo u baahanaya dhammaan waqtiga uu ku jiro |
Nooc Xaasadda Porcelain Sleeve |
Xaasadda ku jiraan meelaha caalamiga ah ee ku jiraan |
Isku dhafan ama isku dhafan ee ku saabsan meelaha caalamiga ah ee PV |
DINGXIN ku siinaya qayb-ka guryaha ee guryaha oo leh jiritaanka sare, guryaha oo leh jiritaanka yar iyo guryaha oo leh transformer-ka ay noqdaan qayb kasta oo kala duwan . Qaybta jiritaanka sare ee ka soo baxa iyo qaybta jiritaanka yar ee ka soo baxa ay la kulmaan kala duwan marka laga eego transformer-ka, si loo hesho ammaan iyo xusno. Qaybta guryaha ay la isticmaalo nabada, dhexdooda (I-shaped), ama L-shaped si loo xaqiijiyo meelaha lagu sameeyo iyo dhaqanka kable-ka ee lagu dhisayo PV.
|
Meesha |
Faahfaahinta |
|
Nooca Alaabta |
Transformer-ka Kooxaha Photovoltaic |
|
Koobka Qeexitaanka |
400–10000 kVA (si loo yaabo 16000 kVA oo la isticmaalo goobaha weyn ee PV si loo yaabo) |
|
Qaybta Jiritaanka La Imaado |
≤ 35 kV iyo 10 kV (u guud jirta 38.5 kV) |
|
Qaybta Jiritaanka Sare |
10 / 35 / 36.75 / 37 / 38.5 kV |
|
Qaybta Jiritaanka Yar (Khursoodka Inverter) |
0.27 / 0.315 / 0.4 / 0.69 / 0.8 / 0.95 / 1.14 kV |
|
Faraqa |
50 Hz (60 Hz waa siyaab ah) |
|
Qaybta Qaabka Transformer |
Qayb A |
|
Koobka Dheerka Jidhka |
≤ 65 K |
|
Koobka Dheerka Jidhka Cusub |
≤ 60 K |
|
Tiggelinta |
Talaabaha Sare, Laba Qayb |
|
Kooxaha la xiriira |
Dyn11 |
|
Ku xidhinta voltaajka |
Badbaadinta qaybta aan la xidhiidka |
|
Tasqooradda insulaashiya |
LI200AC85 / AC5 (bo qaybta 35 kV) |
|
Qaybta La Iibkaynayo |
Dhagaxa (Z) / Xariga Dhagaxa (H) |
|
Qaybta Qaabka |
Qaybta Kaadka La Tiri Karo / Qaybta Kaadka Cilmiyeed / Qaybta Kaadka Laga Jelisayo |
|
Talada Qaybta Kaadka |
Qaybta Shimbirka / Qaybta Dhexe (I-shaped) / Qaybta L-shaped |
|
dhinaca 12 kV ee ka baxa |
Qaybta ka dhexeeya ee la sameeyay ilaa mar dambe + qaybta la xidhiidhay oo dhan ee la xidhiidhay |
|
dhinaca 40.5 kV ee ka baxa |
Qaybta ka dhexeeya ee la sameeyay ilaa mar dambe + qaybta la xidhiidhay oo dhan ee la xidhiidhay |
|
12 kV ee la xidhiidhay oo dhan |
Qaybta la xidhiidhay oo dhan + qaybta la xidhiidhay oo dhan ee la xidhiidhay |
|
40.5 kV ee la xidhiidhay oo dhan |
Qaybta la xidhiidhay oo dhan ee la xidhiidhay |
|
Xidhiidda HV-ka ilaa Transformer-ka |
Xidhiidda Busbar (safka ugu weyn ee xidhiidda) |
|
Radiator Design |
Fins oo ka soo horjeedaya gacantii qarsoon si loo hagaajiyo kuwa ugu yar ee dhaqsoodda |
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Xisbiyaha — Dheerka Calka |
IP68 |
|
Xisbiyaha — Qaybta HV / LV |
IP45 |
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Tijaabada Xidhiidka |
50 kPa / 12 saacadeed — ma jiro xidhiid |
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Xidhiidhka Kamarada |
Qorsho oo la xidhiidhaa korro (la xidhiidhaa biyaha badweyni / qorsho oo la xidhiidhaa milka) |
|
Xiriirka |
Ujeednimo weyn oo leh xiriir wanaagsan; la xidhiidhaa dhexdooda |
|
Meesha |
Faahfaahinta |
|
Gobol |
≤ 3000 m |
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Temperatur Maamulka |
−40 °C ilaa +45 °C |
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Outdoor Wind Speed |
≤ 30 m/s |
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Kuwa dhinaca (Goobta guud ee maalmaha) |
≤ 95% |
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Kuwa dhinaca (Goobta guud ee bilaha) |
≤ 90% |
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Xaasilka khaasida |
Waxa uu leeyahay xumo la mid ah, iyo saddex qayb oo la mid ah |
|
Heerka |
Gudaha |
|
IEEE C57.12.00 |
Talabada caadiga ah ee ku saabsan transformerada oo ku jira dhiig, iyo ku saabsan khaasida, iyo ku saabsan isku dhafan |
|
IEEE C57.12.10 |
Transformerada khaasida > 500 kVA |
|
IEEE C57.12.34 |
Pad-Mounted, Self-Cooled, Three-Phase Distribution Transformers (HV side ≤ 34.5 kV) |
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IEC 60076-1 |
Power Transformers — General |
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IEC 60076-2 |
Power Transformers — Temperature Rise |
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IEC 50588 |
Energy-Efficiency Standard for Distribution Transformers |
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IEC 62271-202 |
High-Voltage / Low-Voltage Prefabricated Substations |
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GB/T 6451 |
Talabada iyo Koodhaha Isdabaashka ee Mushinaha Kala Bixinta Ammaanka ee Saree Kaadis (Three-Phase Oil-Immersed Power Transformers) |
|
GB 20052 |
Xirtooyinka Hagaagta Energiyaha iyo Darajadooyinka Hagaagta Energiyaha ee Mushinaha Kala Bixinta Ammaanka |
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Qaabka Qalbiga (KVA) |
NX1 Kharashka Dhaqso (kW) |
NX1 Kharashka Dhaqso (kW) |
NX2 Kharashka Dhaqso (kW) |
NX2 Kharashka Dhaqso (kW) |
NX3 Kharashka Dhaqso (kW) |
NX3 Kharashka Dhaqso (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 waa sarreeyadaha ugu sareeya ee kharashka (kharashka yar), taasoo ka caawinaa maamulayaasha PV inay xisaabin kharashka ku dhow qofka iyo khaasimada carbon ee 25+ sano ee dhammaan dhinaca.
Mudnaadka La Iibsiiyey — G (Sandaqda La Iibsiiyey) / F (Sandaqda La Iibsiiyey) — Sareeysa Kowderis — Codka Qalabka — Qaybta Xidhka — Qorshaha Energiyada Photovoltaic — Qodobka Ugu Yar (kVA) — Qodobka Jirka Mudnaadka (kV)
Transformerada photovoltaic ee DINGXIN ayaa loo sameeyay si ay ugu talagal yihiin waxyaabaha project-ka. Talooyinka soo saaraya ee ka mid ah ayaa ku jira:
|
Qaybta la xidhiidhaan ku jiraan |
Xoggaad |
|
Awoodda magaca |
KVA ee project-ka oo la xiriira inverterka / qaybta plant-ka |
|
Qaybta ugu horreysa / Qaybta ugu dambeysa |
Qorsho ah ee HV / LV ka mid ah ee leh xisbiga 35 kV ama yar |
|
Qaybta La Iibkaynayo |
Terminal (Z) ama Ring-Main (H) — ama labada marka lambar ah |
|
Qaybta Qaabka |
Nooc la isla eegayn karaan ee sub-box (dual-box) ama nooc la isla eegayn karaan ee porcelain sleeve outlet |
|
Xasiladda Inverter |
Dhisidda xariirka loo guurayay si loo isticmaalo xariirka inverter ee qaybta, markaas oo ku saabsan qaybta ama xariirka la isku dhafan |
|
Tilmaamaha fuse |
Fuse dhagajin + fuse caadi ah (12 kV) ama fuse dhagajin jirro (40.5 kV) |
|
Kooxaha la xiriira |
Dyn11, Yyn0 ama qaybta kale ee vector ee la isticmaalayo wixii la siiyey shakhsi |
|
Furitaanka qaarka |
±2×2.5% ama ±5% (off-circuit ama on-load tap changer) |
|
Noqon Type |
Qarsoon mineral ama qarsoon ester (la isticmaalo qarsoon oo la xariiro, waxyaalaha aan la xariiro — la isticmaalo qarsoon oo la xariiro) |
|
Dhamaadka xidhitaanka |
Qarsoon la xariiro oo la isticmaalo qarsoon oo la xariiro ee qaybta jidhka, qaybta badda ama qaybta gudaha ee PV |
|
Dib ugu yar |
Qarsoon la xariiro oo la isticmaalo qarsoon oo la xariiro ee jidhka, qarsoon oo la xariiro ee xariirka, qarsoon oo la xariiro ee DGA (dissolved gas analysis) iyo qarsoon oo la xariiro ee SCADA |
|
Qaybaha Dheerka Ah |
Qalabka xadgudubka ku saabsan qalabka dhulka kuwa aan la jirin / dhulka kuwa aan la jirin; kala duwan ee ku saabsan dhulka sare; kala duwan ee ku saabsan dhaqanka dhulka |
La xiriir DINGXIN kaa wargelinaya inaad ugu yeero qalabka PV (inverter ahaan, hawlgal ka mid ah, jirka shabakada, xaaladaha dhulka) si ay ugu yeero qalabka la xiriira.
Su’aal 1: Waa maxay qalabka ku saabsan PV (photovoltaic)? Qalabka ku saabsan PV waa qalabka qurux badan oo la sameeyo si loo isticmaalo qalabka ku saabsan PV. Wuxu kala duwan inverterka si ay ugu yeeshaan jirka shabakada ku saabsan iyo waxyaalaha ku saabsan qalabka, jirka sare ee ku saabsan, fuseka iyo waxyaalaha kale ee ku saabsan qalabka ku saabsan, si ay ugu yeeshaan qalabka ku saabsan ee ku saabsan shabakada iyo qalabka ku saabsan ee ku saabsan PV.
Su’aal 2: Waa maxay isku midka qalabka ku saabsan PV iyo qalabka ku saabsan ee caadi ah? Mushakalka PV oo la xidhiidha waa la sameeyay si loo isticmaalo quruxa biyaha soo socda: wuxu kaga caawinaa quruxa jirka iyo quruxa harmaan ee noocelada inverter, waxaana ku dhex jira tixgelka HV iyo ilooyinka ilaaliyaha kaasoo ku jira guryaha ka mid ah si loo isticmaalo dhammaan dhinaca awoodo, waxaana ku saabsanaya xidhidda dhinaca la xidhiidha iyo xidhidda dhinaca la xidhiidha. Mushakalka caadiga ah ee ku saabsanaya quruxa ma leedahay inta badan ee xidhidda ama inta badan ee muujinaya in-ay ku saabsanayaan.
Su’aal 3: Maxaa yeelay noocelada xisbiyada? (1) Noocelada sub-box ee la xidhiidha dhammaan — mushakalka iyo qaybaha HV ku jiraan guryaha laba oo kala duwan si loo isticmaalo taariikhda kala duwan. (2) Noocelada guryaha oo la xidhiidha sida caadiga ah ee ku saabsanaya qaybaha porcelaine. Noocelada la xidhiidha dhammaan waa la sugayaa si loo isticmaalo biyaha PV ee ugu weyn ee ku saabsanaya quruxa.
Su’aal 4: Maxaa yeelay xisbiyada guryaha? Guryaha oil waa la qaybinayaa IP68, waxaana la qaybinayaa guryaha HV/LV IP45. Guryaha kasta ayaa la qaadanayaa isku daynta 50 kPa / 12 saacado si loo ogaado in aan la jirin oil oo la jirin marka la isticmaalo dhinaca awoodo oo dhan, dhulka, iyo habeen.
Su’aal 5: Ma xadka PV ku jira inay xariiro inverter-ka iyo DC ku dhisnaya? Haa. Xadka PV ee DINGXIN ayaa la sameeyay inay xariiro qaybta inverter-ka PV ee leh harmonics iyo wax kasta oo ah DC-biased. Xiriirka xadka iyo farsamada islaamka ayaa la sameeyay si ay ugu xariiroo xisaabta caddaan iyo dielectric ee ka dhacaya inverter-ka solar ee la sameeyay.
Su’aal 6: Maxay xaaladaha aagga ah ee ay ku jiraan? Qaabka goobta ≤ 3000 m, joojinta goobta −40 °C ilaa +45 °C, xawaarinta goobta ka soo baxa ≤ 30 m/s, xiddigga guud ee joojinta ≤ 95%, xiddigga bilowga ≤ 90%. Qaabka la xidhiidhay ayaa ku jira xawaarinta UV ee dheer, dhulka iyo xisaabta joojinta ee ka dhacaya goobaha saharra iyo goobaha tropicaalka ee la sameeyay xadka PV.
Su’aal 7: Maxay suurtagalka ee ay ku jiraan? IEEE C57.12.00, IEEE C57.12.10, IEEE C57.12.34, IEC 60076-1, IEC 60076-2, IEC 50588 iyo IEC 62271-202. Warbixintii guud ee qaybta iyo warbixinii FAT ayaa la bixiyaa.
Su’aal 8: Ma xadka PV ku jira inay la badalo oo la sameeyo qaybta inverter-ka iyo goobaha xadka? Haa. Qodobada la isticmaalo, qodobada muuqda ah iyo qodobada ka soo baxa ah, xariirka dhinaca ama xariirka dhexe, kooxka la xidhiidha, qodobada la xidhiidha, nooca ole (mineral ama ester), iyo xagga la raacdo ayaa la badeli karaa si ay ugu jiraan qodobada inverter ee guurta gaar ah ama guurta kuwa ugu weyn ee xagga PV.
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