Njengemishini eyinhloko yokuphakelwa kukagesi okuvamile, ukuphakelwa kukagesi okulindile kanye nokuphakelwa kukagesi okuphuthumayo, amasethi ejeneretha kadizili asetshenziswa kabanzi ezimweni ezahlukahlukene njengokuphakelwa kukagesi ezindaweni ezikude, ukutakula okuphuthumayo kanye nokusiza ezinhlekeleleni, izikhungo zedatha, kanye nezikhungo zezokwelapha. Ukuthembeka komsebenzi wazo wokuqalisa ngokuzenzakalela kunquma ngqo ukuqhubeka kokuphakelwa kukagesi, kanti isignali yokuqalisa ngokuzenzakalela, "njengesikhungo somyalo" sokuqalisa iyunithi, iyisisekelo esiyinhloko sokuqinisekisa ukusebenza okuzinzile kwalolu msebenzi. Kunezinhlobo ezahlukene zezibonakaliso zokuqalisa ngokuzenzakalela, futhi izimpawu ezahlukene zihambisana nezindlela ezahlukene zokuqalisa, izimo ezisebenzayo kanye nezidingo zobuchwepheshe. Ukuqonda ngokunembile izici kanye namaphuzu okusetshenziswa kwezibonakaliso ezahlukene kungathuthukisa ngempumelelo ukusebenza kahle kwempendulo ephuthumayo yeyunithi, kugweme izinkinga ezifana nokuqala okungamanga kanye nokwehluleka kokuqala, futhi kubeke isisekelo esiqinile sesiqinisekiso sikagesi ezimweni ezahlukene. Lesi sihloko sizohlaziya ngokuphelele izinhlobo zezibonakaliso ezivamile zokuqalisa ngokuzenzakalela zeamasethi ejeneretha kadizili, bahlele izici zabo eziyinhloko, ububanzi obufanele kanye nezinyathelo zokuphepha ngokuhambisana nezimo zokusetshenziswa ezingokoqobo, futhi banikeze izinkomba zokukhetha, ukuqalisa ukusebenza kanye nokusebenza kanye nokugcinwa kweyunithi.
I. Izimpawu Zokuqala Ezingajwayelekile Zamandla Ombane (Izimpawu Eziphuthumayo Eziyinhloko)
Amasignali okungasebenzi kahle kwamandla amakhulu yiwona amasignali ayisisekelo futhi asetshenziswa kakhulu okuqalisa ngokuzenzakalelaamasethi ejeneretha kadizili.Umqondo wabo oyinhloko ukuqapha ngesikhathi sangempela i-voltage, imvamisa kanye nezinye izinhlaka zamandla amakhulu nge-Automatic Transfer Switch (ATS) noma isilawuli seyunithi. Uma izinhlaka zidlula umkhawulo osethiwe, umyalo wokuqalisa uthunyelwa ngokuzenzakalelayo ukuze uqale ngokuzenzakalelayo iyunithi. Zisebenza ezimweni ezahlukahlukene lapho amandla amakhulu engumthombo oyinhloko wokunikezwa kwamandla futhi iyunithi isetshenziswa njengokunikezwa kwamandla okulinda noma okuphuthumayo, njengezikhungo zedatha, izibhedlela, nezakhiwo zezentengiselwano. Ngokusho kwezinhlaka ezahlukene eziqashwe, izibonakaliso ezinjalo zingahlukaniswa ngezigaba ezimbili ezilandelayo.
(1) Izimpawu Zokulahlekelwa Amandla/Ukungabi Namandla Kagesi/Ukudlula Amandla Kagesi
Isignali yokulahlekelwa amandla amakhulu iyisignali yokuqalisa ephuthumayo evame kakhulu. Kusho ukuthi lapho i-ATS noma isilawuli sithola ukuthi i-voltage yama-mains yehla ngaphansi kuka-50% we-voltage elinganisiwe (okungukuthi, isimo sokulahlekelwa amandla), ngokushesha iqalisa umyalo wokuqalisa ukuqinisekisa ukuthi iyunithi iqala ngokushesha ukuthatha imithwalo yokhiye, igweme ukulahleka kwedatha, umonakalo wemishini noma izingozi zokuphepha komuntu siqu ezibangelwa ukuphazamiseka kwamandla amakhulu. Isignali yokungabi namandla kwamandla amakhulu ihambelana nesimo lapho i-voltage yama-mains iphansi kune-voltage elinganisiwe kodwa ingafinyeleli umkhawulo wokulahlekelwa amandla. Ngokuvamile isetshenziswa ezimweni ezinezidingo eziphezulu zokuqina kwamandla kagesi, njengezindawo zokusebenzela zokukhiqiza izinsimbi ezinembile kanye namabhizinisi okukhiqiza ama-semiconductor. Lapho i-voltage iphansi kakhulu futhi ingabangela ukuthi imishini yehluleke ukusebenza ngokujwayelekile, iyunithi iqala ngokuzenzakalelayo ukwengeza ukunikezwa kwamandla; ngokuphambene nalokho, isignali yokudlula kwamandla amakhulu ibangela iyunithi ukuthi iqale futhi ishintshele ekunikezelweni kwamandla kweyunithi lapho i-voltage yama-mains idlula umkhawulo ophezulu webanga elilinganisiwe, okungalimaza imishini kagesi, ukuze kuqinisekiswe ukuphepha kwemishini.
Kunezindlela ezahlukahlukene zokuthatha izimpawu ezinjalo, ezingathathwa ezindaweni eziningi ezifana nomugqa ongenayo we-PT one-voltage ephezulu, i-voltage engenayo ye-line ene-voltage ephansi, kanye nohlangothi lwe-ATS mains. Izindawo ezahlukene zokuthatha zinezimpawu zazo: isignali ethathwe umugqa ongenayo we-PT one-voltage ephezulu ingabonisa ngqo isimo sokuphakelwa kwamandla we-voltage ephezulu, okufanelekela izimo zokuphakelwa kwamandla we-voltage ephezulu; isignali ye-voltage engenayo ye-line ene-voltage ephansi ingabonisa isimo sokuphakelwa kwamandla ohlangothini lwe-voltage ephansi, kodwa ithinteka kalula ukulungiswa kwe-voltage ephezulu kanye namaphutha e-transformer; isignali ethathwe uhlangothi lwe-ATS mains ingahambisana ngqo nesimo sokuphakelwa kwamandla sesigaba sebhasi eliphuthumayo, esihambisana kakhulu nezidingo zokuphakelwa kwamandla zemithwalo eyisihluthulelo futhi siyindlela yokuthatha enconyiwe kakhulu ezimweni eziphuthumayo. Ngesikhathi esifanayo, ukuze kugwenywe ukuqala okungamanga ngesikhathi sokuguqulwa kwamandla we-mains amaningi, izimpawu ezinjalo ngokuvamile zidinga ukusethwa ngokubambezeleka okuthile ukuqinisekisa ukuthi umyalo wokuqalisa uqaliswa kuphela ngemva kokuba amandla e-mains ephazanyisiwe ngempela.
(2) Izimpawu Zokulahlekelwa/Ukungasebenzi Kahle Kwesigaba Samandla Esikhulu
Isignali yokulahlekelwa yisigaba samandla amakhulu ihloselwe kakhulu izimo zokunikezwa kwamandla amakhulu zesigaba ezintathu. Lapho isilawuli sithola ukuthi noma iyiphi i-voltage yesigaba ezintathu ayikho, sithumela ngokushesha isignali yokuqalisa. Ukunikezwa kwamandla okulahlekelwa yisigaba kuzobangela ukusha kanye nokusebenza okungajwayelekile kwemishini yesigaba ezintathu. Ngakho-ke, izimpawu ezinjalo zibalulekile ezimweni ezithembele ekunikezweni kwamandla kwesigaba ezintathu njengokukhiqiza kwezimboni kanye nezakhiwo ezinkulu zezentengiselwano, ikakhulukazi ezifanele izimboni zokukhiqiza okuqhubekayo njengemboni yamakhemikhali kanye ne-metallurgy, ezingagwema ukulahlekelwa okukhulu njengokuphazamiseka kokukhiqiza kanye nomonakalo wemishini obangelwa ukulahleka kwesigaba.
Isignali yokungajwayelekile kwemvamisa yamapayipi iqapha ukuthi imvamisa yamapayipi iyaphambuka yini ebangeni elilinganiselwe (imvamisa yamandla aseShayina ingu-50Hz), futhi ibangela ukuthi iyunithi iqale ngokuzenzakalelayo lapho imvamisa iphezulu kakhulu noma iphansi kakhulu. Ukungajwayelekile kwemvamisa kuzothinta ijubane lemishini yemoto, okuholela ekunciphiseni ukunemba kokusebenza kanye nempilo yesevisi emfushane yemishini. Ngakho-ke, izimpawu ezinjalo zibalulekile ezimweni ezinezidingo eziphezulu zokuzinza kokusebenza kwemishini, njengezindawo zokusebenzela zokucubungula ngokunembile, amalabhorethri, kanye nezindawo zokuxhumana.
II. Izimpawu Zokuqala Ngokuzenzakalelayo Zokulawula Okude (Izimpawu Zokulawula Eziguquguqukayo)
Amasignali okuqala ngokuzenzakalela okulawula kude ayimiyalo yokuqalisa ethunyelwa ngohlelo lokulawula lwangaphandle, olungafeza ukulawula ukuqala nokuma kude kweyunithi ngaphandle kokusebenza ngesandla endaweni. Asebenza ezimweni ezinganakwa, ukuphathwa okuphakathi kanye nokulawula amapaki amakhulu, noma izidingo zokuqalisa ngokushesha ezimweni eziphuthumayo, njengezisekelo zokuhlola insimu, amaqoqo amakhulu ezikhungo zedatha, kanye nezigcawu zokusindisa eziphuthumayo. Inzuzo eyinhloko yalezi zimpawu ukuguquguquka okuphezulu, okungaqalisa ukuqalisa ngokwezidingo zangempela, kuphule imikhawulo yendawo, futhi kuthuthukise ukusebenza kahle kokulawula kweyunithi.
Izimpawu zokulawula kude ezivamile zifaka phakathi izinhlobo ezimbili: eyodwa umyalo wokuqalisa kude ovela kuHlelo Lokuphatha Isakhiwo (i-BMS) kanye nesikhungo sokuqapha, odluliselwa kumlawuli weyunithi ngokuxhumana okunezintambo noma okungenantambo ukuze kufezwe ukuphathwa nokulawulwa okuphakathi kwamayunithi amaningi. Isibonelo, amapaki amakhulu ezentengiselwano angalawula ngokufanayo ukuma kokuqala kwamasethi amaningi ejeneretha kadizili ngokusebenzisa isikhungo sokuqapha ukuze avumelane nezidingo zokunikezwa kwamandla ezindaweni ezahlukene; enye isignali yokuqalisa inkinobho ephuthumayo, evame ukusethwa ezindaweni ezibalulekile endaweni. Lapho kuvela isimo esiphuthumayo (njengokuphazamiseka kwamandla kagesi okungazelelwe kanye nokwehluleka kohlelo lokulawula kude), abasebenzi bangathumela ngqo umyalo wokuqalisa ngokucindezela inkinobho ephuthumayo ukuqinisekisa impendulo esheshayo yeyunithi.
Kufanele kuqashelwe ukuthi izimpawu zokulawula kude zidinga ukuqinisekisa ukuzinza kwesixhumanisi sokuxhumana ukuze kugwenywe ukwehluleka kokudlulisa isignali ngenxa yokuphazamiseka kokuxhumana. Ngesikhathi esifanayo, kuyadingeka ukuhlola i-polarity yesignali kanye nezilungiselelo ze-terminal yokufaka ukuze kuvinjelwe ukuqalisa okungamanga noma ukwehluleka ukuqala isignali. Ngaphezu kwalokho, ezinye izimpawu zokulawula kude zingahlanganiswa nohlelo lokuxhumanisa oluphuthumayo, njengohlelo lwe-alamu yomlilo. Uma umlilo ubangela ukuphazamiseka kwamandla amakhulu, isignali ekude ingaqalisa ngokuzenzakalelayo iyunithi ukuthi iqale, inikeze ukwesekwa kwamandla kwemishini yokulwa nomlilo kanye nokukhanya okuphuthumayo.
III. Izimpawu Zokuqala Ngokuzenzakalelayo Zokuhlola Okunesikhathi (Izimpawu Zesiqinisekiso Sokulungisa)
Izimpawu zokuqalisa ngokuzenzakalela zokuhlola ngesikhathi ziyizibonakaliso ezibangela iyunithi ukuthi iqale ngokuzenzakalelayo ngezikhathi ezithile ngomjikelezo wokusetha wesilawuli ukuze kwenziwe ukuhlolwa kokungalayishi noma kokulayisha ukuqinisekisa ukuthi iyunithi isesimweni esihle sokulinda. Zisebenza kuwo wonke amasethi ejeneretha kadizili adinga ukulinda isikhathi eside, ikakhulukazi afanele izimo zokuhlinzekwa kwamandla eziphuthumayo njengezibhedlela, izikhungo zedatha, kanye nezindawo zokulwa nomlilo, ezingagwema ngempumelelo izinkinga ezifana nokuqala okunzima kanye nokuguga kwezingxenye okubangelwa ukungahlali isikhathi eside kweyunithi.
Umsebenzi oyinhloko walezi zimpawu ukubona njalo ukusebenza kokuqala, ikhwalithi yokukhiqizwa kwamandla kanye nesimo sokusebenza kwezingxenye ezahlukene zeyunithi, ukuthola amaphutha angaba khona ngesikhathi bese ebhekana nawo, ukuze kuqinisekiswe ukuthi iyunithi ingaqala ngokuthembekile lapho kuqala ukuphuthumayo kudingeka ngempela. Umjikelezo wokuhlolwa kwesikhathi ungahle ubekwe ngokuvumelana nezimo zokusetshenziswa kanye nezidingo zokugcinwa kweyunithi, ngokuvamile kanye ngesonto, inyanga noma ikota. Ngesikhathi sokuhlolwa, isilawuli sizoqopha ngokuzenzakalelayo isikhathi sokuqala, isivinini, i-voltage, imvamisa kanye nezinye izilinganiso zeyunithi, okulula ukuthi abasebenzi bokusebenza nokugcinwa benze uphenyo nokugcinwa kamuva.
Kuyaphawuleka ukuthi isignali yokuqalisa ngokuzenzakalela kokuhlolwa kwesikhathi idinga ukusetha imodi yokuhlola ecacile ukuhlukanisa phakathi kokuhlolwa kokungalayishwa kanye nokuhlolwa kokulayisha, ukuze kugwenywe ukuthinta umthwalo wamandla ojwayelekile ngesikhathi sokuhlolwa; ngesikhathi esifanayo, ngemva kokuqedwa kokuhlolwa, isilawuli sidinga ukuthumela ngokuzenzakalelayo umyalo wokumisa ukuze senze iyunithi ibuyele esimweni sokulinda. Yonke inqubo ayidingi ukungenelela ngesandla, okwenza iyunithi igcinwe ngokuzenzakalelayo.
IV. Izimpawu Zokuqala Ngokuzenzakalelayo Kokuxhumanisa Amaphutha (Izimpawu Zesiqinisekiso Sokuphindaphindeka)
Izimpawu zokuqalisa ngokuzenzakalela kokuxhumanisa iphutha ziyizibonakaliso zokuqala eziqaliswa ngokusekelwe esimweni sephutha leyunithi ngokwayo noma imishini ehlobene nayo. Zisetshenziswa kakhulu ezimweni zokunikezwa kwamandla amaningi angafuneki. Lapho iyunithi eyinhloko yehluleka ukusebenza kahle, iyunithi yokulinda iqala ngokuzenzakalelayo ukuthatha umthwalo wokunikezwa kwamandla ngokwamukela isignali yephutha, ukuqinisekisa ukuqhubeka kokunikezwa kwamandla. Ziyasebenza ezimweni ezinezidingo eziphakeme kakhulu zokuthembeka kokunikezwa kwamandla, njengezikhungo zedatha ezinkulu, izitshalo zamandla enuzi, kanye namayunithi okunakekela abagula kakhulu.
Umqondo wokuqalisa wezimpawu ezinjalo uhlobene eduze nohlelo lokuqapha amaphutha lweyunithi. Lapho iyunithi eyinhloko inamaphutha afana nophethiloli onganele, umfutho kawoyela ophansi kakhulu, izinga lokushisa lamanzi eliphakeme kakhulu, kanye nokwehluleka kokuqala, uhlelo lokuqapha amaphutha luzothumela ngokushesha isignali yephutha kumlawuli weyunithi yokulinda ukuze kuqale ukuqala ngokuzenzakalela kweyunithi yokulinda. Isibonelo, lapho iyunithi eyinhloko yehluleka ukuqala ngenxa yokuvaleka kwepayipi likaphethiloli, iyunithi yokulinda iqala ngemizuzwana embalwa ngemuva kokuthola isignali yephutha ukuze kugwenywe ukuphazamiseka kokunikezwa kwamandla; ngaphezu kwalokho, ezinye izinhlelo nazo zinomsebenzi wokuqalisa ngemva kokusetha kabusha amaphutha. Lapho iphutha leyunithi eyinhloko lisuswa futhi lisethwa kabusha, lingaqala ngokuzenzakalelayo futhi libuyele esimweni sokulinda.
Izimpawu zokuxhumanisa amaphutha kudingeka zibe nesivinini esikhulu sokuphendula kanye nokuthembeka. Ngesikhathi esifanayo, umsebenzi wokukhiya amaphutha udinga ukusethwa ukuze kugwenywe ukuqala kabusha kweyunithi ngokuphindaphindiwe lapho iphutha lingasuswa, ukuze kuvinjelwe umonakalo owengeziwe emishinini. Ngesikhathi sokusebenza nokulungiswa, kuyadingeka ukuhlola njalo ukuzwela kohlelo lokuqapha amaphutha ukuqinisekisa ukuthi isignali yamaphutha ingadluliselwa ngokunembile nangesikhathi.
V. Ukuqhathaniswa Kwesicelo kanye Nezinyathelo Zokuqapha Zezimpawu Ezihlukahlukene Zokuqala Ngokuzenzakalelayo
(1) Ukuqhathaniswa Kohlelo Lokusebenza
Izinhlobo ezahlukene zezibonakaliso zokuqala ngokuzenzakalela zifanele izimo nezidingo ezahlukene, futhi izici zazo eziyinhloko kanye nobubanzi besicelo kuqhathaniswa ngokucacile: izimpawu zokungajwayelekile kwamandla amakhulu ziyisisekelo sokuqalisa okuphuthumayo, ezifanele zonke izimo zokulinda/eziphuthumayo lapho amandla amakhulu engumthombo oyinhloko wokunikezwa kwamandla, okubaluleke kakhulu; izimpawu zokulawula kude zigxile ekulawuleni okuguquguqukayo, ezifanele izimo zokuphatha ezinganakiwe neziphakathi; izimpawu zokuhlola zesikhathi zigxile ekuqinisekisweni kokugcinwa, okuyizibonakaliso ezidingekayo kuwo wonke amayunithi okulinda isikhathi eside; izimpawu zokuxhumanisa iphutha zigxile ekuqinisekisweni kokuphindaphindeka, ezifanele izimo zokunikezwa kwamandla okuthembekile kakhulu. Ezisetshenzisweni ezisebenzayo, izimpawu eziningi zivame ukusetshenziswa ndawonye ukwakha uhlelo oluphelele lwesiqinisekiso sokuqalisa. Isibonelo, izikhungo zedatha zingasetha izimpawu zokulahlekelwa kwamandla amakhulu, izimpawu zokulawula kude, izimpawu zokuhlola zesikhathi kanye nezimpawu zokuxhumanisa iphutha ngesikhathi esifanayo ukuqinisekisa ukuthi iyunithi ingaqala ngokwethembeka kunoma yisiphi isimo.
(2) Izinyathelo Zokuqapha Eziyinhloko
1. Ukuhlelwa Kokuthathwa Kwesignali Nokulibaziseka: Ukukhethwa kwamaphuzu okuthathwa kwesignali kufanele kuhlanganiswe nesimo sokunikezwa kwamandla, futhi kufanele kunikezwe kuqala amaphuzu angabonisa ngqo isimo sokunikezwa kwamandla emithwalo eyinhloko (njenge-ATS mains side); ngesikhathi esifanayo, setha ukubambezeleka kwesignali okunengqondo ukuze ugweme isikhathi sokuguqulwa kwamandla e-mains amaningi futhi uvimbele ukuqala okungamanga.
2. Isiqinisekiso Sokuthembeka Kwesignali: Hlola njalo imigqa yokudlulisa isignali, izinzwa kanye nabalawuli ukuqinisekisa ukudluliswa kwesignali okuzinzile, futhi ugweme ukulahleka kwesignali noma ukuqhuma okungamanga okubangelwa imigqa ekhululekile kanye namaphutha ezinzwa; kumasignali okulawula kude, qinisekisa ukuthi isixhumanisi sokuxhumana sibushelelezi.
3. Ukuphenywa Nokulungiswa Kwephutha: Uma iyunithi inezinkinga ezifana nokwehluleka kokuqalisa kanye nokuqala okuphindaphindiwe, qala uhlole ukusebenza kahle kwesignali yokuqalisa ngokuzenzakalela, uhlole ukuthi ngabe i-polarity yesignali, izilungiselelo ze-terminal yokufaka, isekethe yesenzwa, njll. zivamile yini, bese ubhekana nazo ngokwekhodi ye-alamu yephutha.
4. Ukukhetha Okuguquliwe Kwesimo: Khetha uhlobo lwesignali olufanele ngokwezidingo zangempela zokunikezwa kwamandla. Isibonelo, izimo ezinemishini enembile zidinga ukugxila ekulungiseleleni amasignali okungasebenzi kahle kwemvamisa kanye ne-voltage, izimo zokuphindaphinda kwamayunithi amaningi zidinga ukumisa amasignali okuxhumanisa amaphutha, kanye nezimo ezinganakiwe zidinga ukuqinisa amasignali okulawula okude.
VI. Isiphetho
Ukukhethwa kanye nokusetshenziswa okunengqondo kwezibonakaliso zokuqala ngokuzenzakalela kwamasethi ejenereyitha kadizili kuhlobene ngqo nesikhathi kanye nokuthembeka kwempendulo ephuthumayo yeyunithi, futhi futhi kuyisixhumanisi esiyinhloko sokuqinisekisa ukuqhubeka kokunikezwa kwamandla ezimweni ezahlukahlukene. Ukungasebenzi kahle kwamandla amakhulu, ukulawula kude, ukuhlolwa kwesikhathi kanye nezibonakaliso zokuxhumanisa amaphutha zinezici zazo futhi zifanelekela izimo nezidingo zohlelo lokusebenza ezahlukene. Ezisetshenzisweni ezisebenzayo, kuyadingeka ukuhlanganisa izici zesimo ukuze kwakhiwe uhlelo lokuqalisa olusebenzisanayo lwezibonakaliso eziningi, futhi kwenziwe umsebenzi omuhle ekuqalisweni, ekugcinweni nasekuphenyweni kwamaphutha kwezibonakaliso.
Ngokuthuthuka kobuchwepheshe bokulawula obuhlakaniphile, ukunemba kokuthola kanye nesivinini sokuphendula kwezibonakaliso zokuqala ngokuzenzakalela kuthuthuka njalo. Kuhlanganiswe nendima yokubambisana yesistimu ye-ATS kanye nohlelo lokuqapha olukude, umsebenzi wokuqalisa ngokuzenzakalela wamasethi ejeneretha kadizili uzoba ohlakaniphile futhi othembekile. Ukuhlaziywa okujulile kwezici zezibonakaliso ezahlukene zokuqala ngokuzenzakalela kanye nokuqonda amaphuzu azo okusetshenziswa akugcini nje ngokuthuthukisa ukusebenza kahle nokugcinwa kweyunithi, kodwa futhi kunikeze ukwesekwa okuqinile kwesiqinisekiso samandla ezimweni ezahlukahlukene, kugwenywe ukulahlekelwa kwezomnotho kanye nezingozi zokuphepha ezibangelwa ukuphazamiseka kokunikezwa kwamandla.
Isikhathi sokuthunyelwe: Mashi-23-2026
