33kV photovoltaic american box substation

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Isiteshi esincane se-20kV 5000kVA compact transformer siphinde sibizwe ngesiteshi esincane esiphelele sangaphandle, isiteshi sohlobo lwebhokisi, i-box-type transformer, eyaziwa nangokuthi isiteshi esincane esihlanganisiwe, ngenxa yenhlanganisela yaso eguquguqukayo, ukuthutha okulula, ukufuduka, ukufakwa okulula, isikhathi sokwakha esifushane, izindleko eziphansi zokusebenza, kanye nezinyathelo ezincane , Ukungangcoli, ukunganakekeli kanye nezinye izinzuzo, kuye kwaziswa kakhulu.Ngenxa yokuthi kulula ukungena ujule esikhungweni sokulayisha, ukunikezwa kwamandla kunganciphisa indawo yokuphakelwa kukagesi, kuthuthukise ikhwalithi yokuphakelwa kukagesi, kunciphise ukulahleka kwamandla, futhi kuthuthukise ukwethembeka kokunikezwa kwamandla.Ifaneleka ngokukhethekile ukuguqulwa kwegridi yamandla. Umkhiqizi wesiteshi esincane sebhokisi le-Rockwell, ibhokisi lesiteshi esincane esikhiqizwayo sihlangabezana namazinga e-GB17467-1998 "Isiteshi Esisetshenziswa Ngamandla Amandla Aphezulu Naphansi" kanye ne-IEC1330.

Izici:

1. Iphephile futhi Inokwethenjelwa
I-Shell ngokuvamile isebenzisa ipuleti lensimbi ye-aluminium zinc, uhlaka olunezinto ezijwayelekile zesiqukathi kanye nenqubo yokukhiqiza enokusebenza okuhle kokunqanda ukugqwala iminyaka engu-20 okuqinisekisiwe.Ipuleti lokuvala langaphakathi lenziwe ngepuleti le-aluminium alloy buckle, futhi isemishi lenziwe ngezinto ezingashi futhi ezishisayo.I-air conditioning ne-dehumidification device ifakwe ebhokisini.Ukusebenza kwemishini akuthintwa imvelo yemvelo yesimo sezulu kanye nokungcola kwangaphandle, futhi ukusebenza okuvamile kungaqinisekiswa ngaphansi kwemvelo enokhahlo engu -40 ℃ ~ +40 ℃.Imishini eyinhloko ebhokisini ivalwe ngokugcwele, umkhiqizo awunayo ingxenye ebukhoma eveziwe, engafinyelela ngokuphelele ingozi yokushaqeka kagesi eyiziro, isiteshi sonke singakwazi ukubona ukusebenza okungenawo uwoyela, ukuphepha okuphezulu, ukusetshenziswa kwesibili kwe-microcomputer edidiyelwe ye-automation system, okuyinto angabona engagadiwe.

2. Izinga eliphakeme lokuzenzakalelayo
Ingqikithi yomklamo ohlakaniphile wesiteshi, isistimu yokuvikela isebenzisa okokusebenza okuzenzakalelayo kwe-microcomputer substation, ukufakwa, okukwazi ukubona i-telemetry, ukuxhumana okukude, isilawuli kude, ukulawula okukude.Iyunithi ngayinye inomsebenzi wokusebenza ozimele.Umsebenzi wokuvikela i-relay uqedile, ongabeka imingcele yokusebenza kude, ulawule umswakama nezinga lokushisa emzimbeni webhokisi futhi uxwayise intuthu ekudeni, ukuze uhlangabezane nezidingo zomuntu osemsebenzini.Ingakwazi futhi ukuqaphela ukuqapha isithombe esikude ngokwesidingo.

3. Ukwakhiwa kwefekthri
Lapho uklama, inqobo nje uma umklami ngokwezidingo zangempela zesiteshi esincane, ehlinzeka ngomdwebo oyinhloko wezintambo kanye nomklamo wemishini engaphandle kwebhokisi, abakhiqizi bangakwazi ukufaka nokulungisa iphutha layo yonke imishini, baqaphele ngempela imboni yokwakha yesiteshi, finyeza umjikelezo wokuklama nowokukhiqiza.Ukufakwa endaweni kudinga kuphela ukuma kwebhokisi, ukuxhunywa kwekhebula phakathi kwamabhokisi, uxhumo lwekhebula eliphumayo, ukulinganisa kokuvikela, ukuhlolwa kokudlulisela kanye nomunye umsebenzi wokuthuma.Sonke isiteshi esingaphansi kusukela ekufakweni kuya ekusetshenzisweni sidinga kuphela izinsuku ezi-5 ~ 8, sifinyeza kakhulu isikhathi sokwakha.

4. Imodi yokuhlanganisa eguquguqukayo
Isakhiwo sesiteshi esincane sebhokisi sihlangene, ibhokisi ngalinye lakha uhlelo oluzimele, okwenza inhlanganisela yokuguquguquka, ngakolunye uhlangothi, sonke singasebenzisa ibhokisi, ukuze imishini ye-35kV ne-10kV ifakwe ebhokisini, ukwakheka kwayo yonke. uhlobo lwebhokisi elincane;Impahla ye-35kV ingafakwa ngaphandle, futhi okokusebenza kwe-10kV kanye nohlelo lokulawula nokuvikela lungafakwa ngaphakathi kwebhokisi.Le modi yokuhlanganisa ifaneleka ngokukhethekile ukuguqulwa kweziteshi zegridi zamandla zasemakhaya ezindala.Ngamafuphi, ayikho imodi yenhlanganisela engaguquki yesiteshi esincane esihlangene, futhi umsebenzisi angahlanganisa ezinye izindlela ngokukhululekile ngokuya ngesimo sangempela ukuze ahlangabezane nezidingo zokusebenza okuphephile.

Isiteshi sohlobo saseYurophu, siyisethi ephelele yemishini yokuguqula amandla entsha eyakhiwe inkampani yethu ngesisekelo sokuguqulwa kwenethiwekhi kazwelonke yasemadolobheni eyenza inhlanganisela efanele yesiguquli samandla esivalwe ngowoyela kanye nezingxenye zikagesi eziphakeme neziphansi.Ngokusetshenziswa kwesakhiwo, i-switchgear izokwenziwa ibe mincane ibe yizinga elidlulele elinciphisa kakhulu indawo ehlala i-transformer ehlanganisiwe ivolumu yayo ilingana kuphela ne-1/3-1/5 yama-European box-type transformers anezinzuzo ezifana nevolumu encane, ephansi. umsindo, ugesi onokwethenjelwa, ukwakheka okunengqondo, okukwazi ukufakwa kalula, kulula ukusebenza futhi okukwazi ukungena ujule esikhungweni somthwalo kuze kufike ezingeni eliphezulu, njll. Isetshenziswa kabanzi ezindaweni zokuhlala izikhungo zezohwebo iziteshi zezimboni nezimayini izikhumulo zezindiza ujantshi wezikole izibhedlela, izakhiwo eziphakeme nezindawo.
Indawo Yokusebenzela
1 Izinga lokushisa le-ambient: -25℃~+40℃
2 Ukuphakama: ngaphansi kuka-1000m
3 Umswakama ohlobene
Isilinganiso sansuku zonke esingaphansi kuka-95% Ivelu emaphakathi yomfutho womhwamuko ongaphansi kuka-2.2kpa
Isilinganiso sanyanga zonke singaphansi kuka-90% Isilinganiso senani lokucindezela komhwamuko ongaphansi kuka-1.8kpa
4 Ukuqina kokuzamazama komhlaba: ngaphansi kobukhulu 8
5 Isivinini somoya ngaphandle singaphansi kuka-35m/s
6 Faka isicelo ezindaweni ezingenamlilo, azinangozi yokuqhuma futhi azikho ukugqwala kwamakhemikhali

Into Incazelo Iyunithi Idatha
HV Ikalwe imvamisa Hz 50
I-voltage elinganiselwe kV 6 10 35
I-voltage yokusebenza ephezulu kV 6.9 11.5 40.5
Imvamisa yamandla imelana ne-voltage
phakathi kwezigxobo emhlabeni/ibanga elihlukanisayo
kV 32/36 42/48 95/118
Umbani umelane ne-voltage
phakathi kwezigxobo ukuya emhlabeni/ibanga elihlukanisayo
kV 60/70 75/85 185/215
Ikalwe okwamanje A 400 630
Ilinganiselwe isikhathi esifushane ukumelana nokwamanje kA 12.5(2s) 16(2s) 20(2s)
Isilinganiso esiphakeme sokumelana namanje kA 32.5 40 50
LV I-voltage elinganiselwe V 380 200
Isilinganiso samanje sesekhethi eyinhloko A 100-3200
Ilinganiselwe isikhathi esifushane ukumelana nokwamanje kA 15 30 50
Isilinganiso esiphakeme sokumelana namanje kA 30 63 110
Isifunda segatsha A 10∽800
Inombolo yesifunda segatsha / 1∽12
Amandla esinxephezelo kVA
R
0∽360
I-Transformer Umthamo olinganiselwe kVA
R
50∽2000
I-impedance ye-short-circuit % 4 6
Ububanzi boxhumano lwe-brance / ±2*2.5%±5%
Uphawu lweqembu lokuxhumana / Yyn0 Dyn11

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