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Amandla Anqiangigxile ekwakhiweni kwe33kV I-Single Pole Outdoor Circuit Breaker, eklanyelwe ukushintsha okuthembekile nokuvikelwa ezinhlelweni zokusabalalisa phezulu kwe-voltage ephakathi. Ngesakhiwo esigxunyekwe esigxotsheni, indlela yokusebenza esheshayo, ukufakwa kwangaphandle okuqinile, nekhono lokuvala kabusha ngokuzenzakalela, lolu hlobo lwesiphuli luhlinzeka ngesixazululo esisebenzayo sezinsiza, iziteshi ezincane, namanethiwekhi okusabalalisa amandla ezimboni.
I-breaker circuit yangaphandle enokwethenjelwa kufanele yenze okungaphezu kokuphazamisa amandla ngesikhathi sephutha. Kumelwe imelane nezimo zezulu ezishintshayo, igcine ukusebenza kwe-insulation, isebenze ngokushesha, futhi isekele ukuvikelwa kwenethiwekhi okuthembekile eminyakeni eminingi. I-33kV Single Pole Outdoor Circuit Breaker ihlanganisa ukwakheka kwesigxobo esisodwa esihlangene kanye nendlela yokusebenza kazibuthe unomphela, izingxenye zokuvikela ezinamandla aphezulu, kanye nobuchwepheshe bokulawula obuhlakaniphile. I-voltage yayo elinganiselwe ingu-35 kV, enezinketho zamanje ezilinganiselwe ezingu-630 A no-1250 A kanye namandla okuphula isifunda esifushane angu-20, 25, kanye no-31.5 kA. Lezi zici ziyenza ifanelekele imigqa yokusabalalisa phezulu, iziteshi ezingaphansi, amanethiwekhi ezinsiza, nezinhlelo zikagesi zezimboni lapho ukushintsha okuthembekile kwangaphandle kubalulekile.
1. Yini I-33kV I-Single Pole Outdoor Circuit Breaker?
2. Kungani Kubalulekile Ukusatshalaliswa Kwe-Medium-Voltage?
3. Yiziphi Izimpawu Zayo Eziyinhloko Zezobuchwepheshe?
4. Ukucaciswa Kwezobuchwepheshe Ngokubuka nje
5. Sisetshenziswa Kuphi Lesi Siphehli Sesekhethi?
6. Ukucatshangelwa Kokufakwa Nokuthunyelwa
7. Kufanele Abathengi Bakhethe Kanjani Imodeli Elungile?
I-33kV Single Pole Outdoor Circuit Breaker iyithuluzi elishintshayo elinamandla kagesi aphakathi nendawo elivikelayo eliklanyelwe amasistimu okusabalalisa ugesi angaphandle. Ingaphazamisa amandla okulayisha, amandla ephutha, kanye ne-short-circuit current uma kwenzeka izimo ezingavamile zikagesi.
Ngokungafani ne-switchgear evamile yasendlini, i-breaker-mounted pole yangaphandle kufanele igcine ukusebenza okuthembekile kukagesi kanye nemishini ngenkathi ibhekene noshintsho lokushisa, umoya, ukungcola, umswakama, kanye neminye imithelela yemvelo. Ukucushwa kwesigxobo esisodwa esihlangene kungenza ukufakwa okugxishwe ngesigxobo kube lula kuyilapho kuhlinzeka ngokusebenza kokushintsha okudingwa amanethiwekhi aphezulu.
Idizayini ye-Anqiang Power ihlanganisa indlela yokusebenza kazibuthe unomphela kanye nezingxenye zokufakwa kwamandla aphezulu. Umkhiqizo futhi ufakwe isilawuli esihlakaniphile futhi ungenziwa ngokwezifiso ngezidingo ezithile zamandla kagesi ngokuya ngezidingo zephrojekthi. Idizayini yayo igcizelela ukusabela okusheshayo, ukusebenza okuzinzile, impilo ende yesevisi, kanye nezidingo ezincishisiwe zokunakekela.
Amanethiwekhi okusabalalisa amandla adinga okokuvikela okungasabela ngokushesha uma kwenzeka iphutha. Umjikelezo omfushane oshiywe ungacaciswanga ungalimaza ama-transformer, amakhebuli, amakhondatha, nezinye izingxenye zenethiwekhi kuyilapho kwandisa ingozi yokuphazamiseka kwesevisi okunwetshiwe.
I-breaker circuit yangaphandle inikeza iphuzu elibalulekile lokuvikela phakathi kwenethiwekhi yokusabalalisa kanye nempahla kagesi engezansi. Uma ihlanganiswe nesistimu yokuvikela nokulawula efanele, ingasiza ukuhlukanisa izigaba ezinephutha kuyilapho ivumela izingxenye ezinempilo zenethiwekhi ukuthi ziqhubeke nokusebenza.
Ezinsizeni nasezimbonini, lawa makhono angaba negalelo ekuthembekeni okuthuthukisiwe kokusabalalisa kanye nokulawulwa kwamaphutha okusebenza kahle kakhulu.
Idizayini ye-single-pole ifanele izinhlelo zokusebenza ezifakwe ngaphandle lapho indawo yokufaka kanye nokuhlelwa kwemishini kubalulekile. Isakhiwo esihlangene singasiza ukwenza lula ukuhlanganiswa kokushintsha imishini ibe nengqalasizinda ekhona yokusabalalisa ngaphezulu.
Umshini ozibuthe unomphela uklanyelwe ukuhlinzeka ngokusebenza kokushintsha okuzinzile nokusheshayo. Ngokwedatha yezobuchwepheshe eshicilelwe, isikhathi sokuvula sicishe sibe ngu-20–45 ms futhi isikhathi sokuvala sicishe sibe ngu-25–45 ms.
I-breaker icaciswe kuze kufike ku-30 imisebenzi elinganiselwe ye-short-circuit breaker kanye nempilo yokusebenza yemisebenzi engu-20,000. Lezi zilinganiso zenza ukubekezela kube ukucatshangelwa okubalulekile kwamanethiwekhi adinga ukushintsha okuphindaphindiwe nokusebenza okuthembekile kwesikhathi eside.
Imishini yakhelwe ukusebenza ngaphandle ngaphansi kwezimo ezinzima, okuhlanganisa neziqu zokungcola IV. Izinga lokushisa lwayo lokusebenza elishiwo lingu--30°C kuya ku-+60°C, kuyilapho izinga lokushisa elishiwo lesitoreji lisuka ku--40°C liye ku-+85°C.
Ukusebenza okusheshayo kanye nekhono lokuvala kabusha ngokuzenzakalela kungaba wusizo ikakhulukazi kumanethiwekhi okusabalalisa ngaphezulu, lapho amanye amaphutha angaba okwesikhashana. Izilungiselelo ezifanele zokulawula nokuvikela kufanele zihlale zisungulwa ngokuvumelana nomklamo wesistimu kagesi kanye namazinga asebenzayo.
Ukucaciswa okulandelayo kufinyeza amapharamitha angukhiye ashicilelwe alesi sihlukaniso sangaphandle:
| Ipharamitha | Ukucaciswa |
|---|---|
| I-Voltage elinganiselwe | 35 kV |
| Ikalwe okwamanje | 630/1250 A |
| Imvamisa elinganiselwe | 50/60 Hz |
| I-Power-Frequency Withstand Voltage | 80/95 kV, iminithi elingu-1 |
| I-Lightning Impulse Imelana Nogesi | ukuphakama kwe-185 kV |
| I-Short-Circuit Breaking Current | 20 / 25 / 31.5 kA |
| Ukwenza Kwesekethe Emfishane Kwamanje | Inani eliphakeme kakhulu lama-80 kA |
| Impilo Yemishini | 20,000 imisebenzi |
| Isikhathi sokuvula | 20–45 ms |
| Isikhathi sokuvala | 25–45 ms |
| Izinga Lokushisa Lokusebenza | -30°C kuya +60°C |
| I-Altitude Yokufaka Ephezulu | 2,000 m |
Lawa mapharamitha kufanele ahlolwe kanye ne-voltage yesistimu, i-fault current etholakalayo, i-insulation codination, indawo yokufaka, izilungiselelo zokuvikela, kanye nezidingo zikagesi zasendaweni ezisebenzayo.
Ibanga lohlelo lokusebenza le-33kV-class breaker lidlulela kuzo zonke izimo zokusabalalisa amandla kagesi aphakathi nendawo.
Kuzinhlelo zokusebenza ezinamaphutha esikhashana avamile, ukuvala kabusha okuzenzakalelayo kungaba usizo ikakhulukazi. Nokho, ukuxhumana phakathi kwebreaker, i-relay yokuvikela noma isilawuli esihlakaniphile, okokusebenza okukhuphuka nomfula, namadivayisi awela phansi kufanele kuqinisekiswe ngaphambi kokusebenza.
Ukufakwa okulungile kubalulekile ekugcineni ukuphepha kukagesi kanye nokuthembeka kokusebenza kwe-medium-voltage outdoor breaker. Isakhiwo sokukhweza kufanele sinikeze ukuzinza okwanele kwemishini, kuyilapho ukuxhunywa komhlaba kanye nesigaba kufanele kuhambisane nezidingo zobunjiniyela bephrojekthi.
Kufanele kubhekwe nezimo zemvelo. Izimo zokusebenza ezishicilelwe zicacisa izinga lokushisa le-ambient elingu -30°C kuya ku-+60°C, ukuphakama okungadluli ku-2,000 wamamitha, isivinini somoya esingafika ku-34 m/s, kanye ne-pollution degree IV.
Ukukhetha i-medium-voltage circuit breaker akufanele kusekelwe ku-voltage kuphela. Imodeli efanelekile ngokobuchwepheshe kufanele ihambisane nezici zikagesi nezemvelo zokufakwa okuhlosiwe.
| Isici Sokukhetha | Okufanele Uhlole | Kungani Kubalulekile? |
|---|---|---|
| I-Voltage yesistimu | I-voltage yesistimu yegama kanye nephezulu | Iqinisekisa i-insulation efanele kanye namandla okushintsha |
| Ikalwe okwamanje | Isiphakeli esijwayelekile noma umthamo wamanje | Ivimbela ukukhetha kwamanje okungalungile |
| Izinga Lephutha | Okulindelekile kwe-short-circuit current | Inquma umthamo wokuphazamiseka odingekayo |
| Indawo Yokufaka | Izinga lokushisa, ukuphakama, umoya, nokungcola | Isekela ukusebenza okuthembekile kwangaphandle |
| Izidingo zokulawula | Ukuvala ngesandla, ugesi, okuhlakaniphile, noma okuzenzakalelayo | Iqinisekisa ukuhambisana nohlelo lokuvikela |
| Ukuhlelwa Kokukhweza | Isigxobo, ifreyimu yensimbi, izindawo zokusula, kanye nesikhala sesigaba | Isekela ukufakwa kwemishini nogesi okuphephile |
Ngezidingo eziqondene nephrojekthi ethile, abathengi kufanele banikeze amandla kagesi esistimu, ileveli elinganiselwe, yesifunda esifushane, izimo zemvelo, amandla kagesi okulawula, ukuhlela ukufakwa, nemisebenzi yokuvikela edingekayo lapho becela ikhotheshini. Lokhu kuvumela umkhiqizi ukuthi ancome ukucushwa kunokuncika ekukhethweni komkhiqizo ojwayelekile.
Umsebenzi wayo oyinhloko ukushintsha nokuphazamisa amasekhethi kagesi kuyilapho kusiza ukuvikela amasistimu okusabalalisa phezulu kwe-voltage emaphakathi ngokumelene namaza anephutha kanye nesekhethi emfishane. Ingabuye ihlanganiswe ekuvikelweni kwenethiwekhi kanye namasu okuvala kabusha okuzenzakalelayo.
Yebo. Izimo zokusebenza ezishicilelwe zihlanganisa amazinga okushisa asuka ku--30°C kuya ku-+60°C, ukuphakama kokufakwa kufika kumamitha angu-2,000, isivinini somoya esifinyelela ku-34 m/s, kanye ne-pollution degree IV. Ukufaneleka kwangempela kufanele kuqinisekiswe ngokumelene nendawo ethile yephrojekthi.
Uhlu lwezicaciso zobuchwepheshe olushicilelwe lulinganiselwe izinketho zamanje ze-630 A no-1250 A. Ukukhethwa okufanele kuncike ezicini zomthwalo kanye nomklamo kagesi wesistimu yokusabalalisa.
Izinketho zamanje ezilinganiselwe zokuphulwa kwesekethe emfishane zingu-20 kA, 25 kA, kanye no-31.5 kA. Abathengi kufanele bakhethe inani elifanele ngokusekelwe kulokho okubalwe khona okungenzeka kube iphutha endaweni yokufaka.
Yebo. Amandla okuvala kabusha okuzenzakalelayo afakwe ohlwini phakathi kwezici zomkhiqizo. Izilungiselelo zokuvala kabusha nokuxhumana kokuvikela kufanele kulungiselelwe ngokuya ngomklamo othile wenethiwekhi.
Ukucaciswa okushicilelwe kunikeza impilo yokusebenza yemisebenzi engu-20,000, kuyilapho isibalo esilinganiselwe sokuphulwa kwesifunda esifushane sicaciswa njengezikhathi ezingama-30.
I-breaker circuit yangaphandle ethembekile ingenza umehluko omkhulu ekuphepheni, ekuqhubekeni, nasekulondolozeni isistimu yokusabalalisa i-medium-voltage. Ngokucushwa okufakwe isigxobo esihlangene, indlela yokusebenza kazibuthe unomphela, ukwahlukanisa okuqinile, ukusebenza kokushintsha okusheshayo, amandla okuvala kabusha okuzenzakalelayo, nezilinganiso eziningi zamanje nezifushane,33kV I-Single Pole Outdoor Circuit Breakeryakhelwe ukubhekana nezinhlobonhlobo zezinto ezisetshenziswayo, iziteshi ezingaphansi, kanye nezimfuneko zokusabalalisa zezimboni. Uma uhlola ukucushwa okufanele kwenethiwekhi yakho,Xhumana nathinge-voltage yakho, yamanje, yezinga lephutha, imvelo, kanye nezidingo zokufakwa ukuze uxoxe ngesixazululo esenziwe ngokwezifiso ne-Anqiang Power.
