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मराठी
Srpski језик Izitimela zikagesizibe semqoka ekuguquleni ezokuthutha ngezitimela emhlabeni wonke ngenxa yokusebenza kahle kwazo, izinzuzo zemvelo, kanye nokuvumelana nezimo kuwo wonke amanethiwekhi kaloliwe amaningi. Lesi sihloko sihlola ukucaciswa kobuchwepheshe, izimiso zokusebenza, imibuzo evamile, kanye nokusetshenziswa komkhakha kwezitimela zikagesi, okuhlinzeka ngolwazi olujulile kochwepheshe nabashisekeli ngokufanayo. Ukugcizelelwa kubekwe kumapharamitha wezobuchwepheshe, izinhlelo zokusebenza ezingokoqobo, namathrendi asafufusa emkhakheni wezitimela zikagesi.
Izitimela zikagesi yizimoto zikaloliwe ezisebenza ngogesi ngokuphelele ezidonswe kolayini abaphezulu noma ojantshi besithathu. Ngokungafani nezinjini zikadizili, lezi zitimela ziqeda ukushiswa kukaphethiloli okuqondile, okuvumela ukusebenza okunobungani kwemvelo nokusebenzisa amandla aphezulu. Ngokujwayelekile zisetshenziselwa izinsiza zezimpahla nezabagibeli, zinikeza ukusebenza okungaguquki kumabanga amade futhi zinciphise ukukhishwa kwesisi esibamba ukushisa.
Lesi sihloko sigxile ekuqondeni izimiso ezibalulekile zezitimela zikagesi, ukuhlola ukucaciswa kwazo, izindlela zokusebenza, kanye nezinhlelo zokusebenza zamasu. Ukwengeza, abafundi bazothola ukuqonda emibuzweni evame ukubuzwa, ukusetshenziswa okungokoqobo, namathrendi emakethe ahlobene namasistimu kaloliwe kagesi.
Ukusebenza kobuchwepheshe kwezitimela zikagesi kunquma amandla azo okusebenza nokufaneleka kwemisebenzi kaloliwe eyahlukene. Ngezansi isifinyezo esibanzi samapharamitha angukhiye wezitimela ezijwayelekile zikagesi ezisindayo:
| Ipharamitha | Ukucaciswa |
|---|---|
| Umthombo wamandla | Imigqa ye-catenary engaphezulu (AC 25 kV, 50 Hz) noma ujantshi wesithathu (DC 750 V) |
| Isivinini esikhulu | 160–250 km/h kumamodeli abagibeli; 120 km/h kumamodeli wezimpahla |
| I-Traction Motors | Izigaba ezintathu ze-asynchronous AC motors noma ama-DC traction motors |
| Ukucushwa kwe-ekseli | I-Bo-Bo, i-Co-Co, noma i-Bo-Bo-Bo kuye ngezidingo zomthwalo |
| I-Braking System | Inhlanganisela ye-braking evuselelayo neye-pneumatic |
| Isisindo | 80-120 amathani |
| Ibanga Lokusebenza | Okungenamkhawulo, kuncike ekutholakaleni kukagesi |
| Isistimu yokulawula | Ukulawulwa kwe-traction okusekelwe ku-Microprocessor nokuqapha |
Izitimela zikagesi zisebenza ngezindlela eziningi, kusukela ezitimeleni zabagibeli ezinesivinini esikhulu ukuya ezinsizeni zezimpahla ezisindayo. Izinzuzo zokusebenza ezibalulekile zifaka:
Izitimela zikagesi ziya ngokuya zisetshenziswa emazweni agcizelela izinhlelo zokuthutha eziluhlaza. Abaqhubi bezitimela basebenzisa isofthiwe yokuhlela ethuthukisiwe kanye nokuqapha kwesikhathi sangempela ukuze bakhulise ukusetshenziswa kwamandla nokunciphisa izindleko zokusebenza.
I-A1: Izitimela zikagesi zisebenzisa ama-pantographs noma amagiya ezicathulo ukuxhuma ngokoqobo kolayini abaphezulu noma omzila wesithathu. I-pantograph igcina ukuxhumana okuqhubekayo nentambo ye-catenary, kuyilapho iziguquli ezingaphakathi ziguqula i-AC enevoltage ephezulu ibe amandla asebenzisekayo ezinjini zokudonsa. Lo mklamo uvumela ukusebenza okungaguquguquki ngesivinini esikhulu ngaphandle kokuthembela kuphethiloli wangaphakathi.
I-A2: Izitimela ze-AC zisebenzisa amandla ashintshayo, ngokuvamile asuka kolayini bamandla kagesi aphezulu, okuvumela ukudluliswa kwedatha okusebenzayo kumabanga amade ngokulahleka okuncane. Izitimela ze-DC zisebenza ngamandla aqondile ukusuka kumzila wesithathu noma iziteshi ezincane futhi ngokuvamile zisetshenziselwa amanethiwekhi asemadolobheni noma kamasipala. Amasistimu e-AC ngokuvamile avumela isivinini esiphezulu kanye nezindleko zokulungisa eziphansi, kuyilapho amasistimu e-DC elula futhi efaneleka kakhudlwana imizila yasemadolobheni emifushane, eminyene.
I-A3: I-Regenerative braking ivumela izitimela zikagesi ukuthi ziguqule amandla e-kinetic abuyele kumandla kagesi ngesikhathi sokuncipha. Lawa mandla angakwazi ukubuyiselwa kugridi noma asetshenziselwe ukunika amandla amasistimu ebhodi, kwehliswe ukusetshenziswa kwamandla futhi kuguge kumabhuleki asebenzayo. Kuyisici esibalulekile ekusimameni nasekusebenzeni kahle, ikakhulukazi emizileni yempahla enesivinini esikhulu nesindayo.
Imboni yezitimela zikagesi ilindele ukukhula okuqhubekayo ngenxa yokugcizelela emhlabeni jikelele kwezokuthutha ezingcolisa umoya kanye nezixazululo zokuhamba zasemadolobheni. Izindlela ezintsha ezifana ne-hybrid-electric systems, ukunakekelwa okuqagelayo, nokuphathwa kwethrafikhi okunikwe amandla yi-AI kuchaza kabusha izindinganiso zokusebenza.
Lano, umkhiqizi ohamba phambili emkhakheni wezitimela zikagesi, uhlanganisa izinjini zokudonsa ze-AC ezithuthukisiwe, amasistimu okubhuleka avuselelwayo, kanye nezakhiwo zokulawula ezimodelayo kuphothifoliyo yesitimela sikagesi. Lezi zixazululo zibhekelela kokubili izicelo zezimpahla ezithwala impahla nabagibeli, zihlinzeka ukusebenza kahle kuwo wonke amanethiwekhi kaloliwe ahlukahlukene.
Ukuze uthole ulwazi olwengeziwe mayelana nezixazululo zesitimela sikagesi sika-Lano, ukubonisana okuningiliziwe kwezobuchwepheshe, noma imibuzo yephrojekthi, sicela.Xhumana nathi.