Kwiimeko ezineemfuno eziphezulu kakhulu zokuthembeka kombane, njengemveliso yemizi-mveliso, izakhiwo ezinkulu, kunye namaziko edatha, iiseti zejenereyitha yedizili zihlala zisetyenziswa njengemithombo yamandla yokuxhasa okanye eyongezelelweyo, esebenza ngaxeshanye namandla kamasipala ukufezekisa umbane "ophindwe kabini". Le ndlela yokusebenza eqhagamshelwe kwigridi ayinakutshintsha umbane ngokukhawuleza kuphela xa umbane kamasipala uphazamiseka ukuqinisekisa ukuqhubeka kwemveliso kunye nobomi, kodwa ikwabelana ngomthwalo ngexesha lombane kamasipala ophakamileyo ukunciphisa iindleko zokusetyenziswa kombane. Nangona kunjalo, uqhagamshelo lwegridi lweeseti zejenereyitha yedizili kunye nombane kamasipala yiprojekthi ecwangcisiweyo equka ulawulo oluchanekileyo kunye neenkcukacha ezingqongqo. Naluphi na usebenziso olungafanelekanga lunokukhokelela kumonakalo wezixhobo, ukusilela kwegridi yombane, kwaneengozi zokhuseleko lomntu. Eli nqaku liza kwazisa amanyathelo abalulekileyo okunxibelelana kwegridiiiseti zejenereyitha yedizilingombane kamasipala ovela kwiinkalo ezine: ukulungiswa koqhagamshelo lwangaphambi kwegridi, imisebenzi ephambili, ukhuseleko lokhuseleko, kunye nokusebenza nokugcinwa kwemihla ngemihla, ukunceda wonke umntu aqonde ngokupheleleyo ulwazi loqhagamshelo lwegridi kwaye aphephe iingozi zokhuseleko.
I. Uqhagamshelo lwangaphambi kweGridi: Yenza amalungiselelo afanelekileyo kwaye ubeke isiseko esiqinileyo sokhuseleko
Ukhuseleko kunye nokuzinza kwemisebenzi yoqhagamshelo lwegridi kuqala ngokulungiselela kwangaphambili okwaneleyo. Eli nyathelo akufuneki lihlangabezane neemeko zobugcisa kuphela kodwa likwamele ligqibezele ukuqinisekiswa kabini kwezixhobo kunye neenkqubo, zombini eziyimfuneko.
(1) Cacisa iiMfanelo zoQhagamshelo lweGridi kunye neeMfuno zokuThotyelwa kweMithetho
Uqhagamshelo lwegridi lweeseti zejenereyitha yedizili kunye nombane kamasipala ayisiyonto ingaqhelekanga. Okokuqala, kuyimfuneko ukufumana imvume yomqhubi wegridi yamandla yasekuhlaleni kwaye kudlule kwiinkqubo ezifanelekileyo zoqhagamshelo lwegridi. Uqhagamshelo lwegridi olungagunyaziswanga ngaphandle kwemvume aluvumelekanga ngokungqongqo. Oku kungenxa yokuba uqhagamshelo lwegridi olungagunyaziswanga lunokubangela ukuguquguquka kwevolthi yegridi kunye nokuphindaphinda, kuchaphazele ukusetyenziswa kwamandla abasebenzisi abangqongileyo, kwaye kubuyisele umva udluliselo lwamandla ngexesha lokugcinwa kwegridi, nto leyo ebeka emngciphekweni ukhuseleko lobomi beengcali zombane. Kwangaxeshanye, izixhobo eziqhagamshelwe kwigridi kufuneka zihambelane nemigangatho yoyilo lombane yesizwe (efana ne-GB51348-2019 "Code for Electrical Design of Civil Buildings") ukuqinisekisa ukuba umgangatho wezixhobo kunye neenkcukacha zofakelo ziyahlangabezana nemigangatho, kwaye ziphephe iimpazamo ezibangelwa zizixhobo ezingathobeliyo.
(2) Qinisekisa iiParamitha zeZixhobo ukuqinisekisa ukuHlangana okuFanayo
Isiseko esiphambili soqhagamshelo lwegridiiiseti zejenereyithaNgokuphathelele amandla kamasipala, iiparameter zombane zezi zimbini zihambelana ngokungqongqo. Oku kufana nokudibanisa iigiya ezimbini ezijikelezayo, ekufuneka zifikelele "kubungakanani obufanayo, isantya esifanayo, kunye namazinyo ahambelanayo". Ngokukodwa, kufuneka kuhlangatyezwane neemeko ezi-4 eziphambili, akukho nanye kuzo enokuthi ingabikho:
- Ulandelelwano lweSigaba oluQhubekileyo: Iziphumo zesigaba sesithathu ze-A, B, kunye ne-C zeseti yejenereyitha kufuneka zihambelane ngqo nesigaba sesithathu se-A, B, kunye ne-C sombane kamasipala, nto leyo esisiseko soqhagamshelo lwegridi. Ukuba ulandelelwano lwesigaba alulunganga, luya kukhokelela kwiingozi ezinkulu ezifana neesekethe ezimfutshane kunye nokuqhuma kwezixhobo. Ulandelelwano lwesigaba lunokuqinisekiswa ngemitha yolandelelwano lwesigaba ukuqinisekisa ukuba intambo ilungile.
- I-Voltage elinganayo: Ixabiso elisebenzayo le-output voltage yeseti yejenereyitha kufuneka lihambelane ne-power voltage kamasipala, ngokuqhelekileyo livumela ukuphambuka okuncinci kwe-±0.5%. Ukuba i-voltage iphezulu kakhulu, iya kudlulisela amandla asabelayo kwigridi; ukuba i-voltage iphantsi kakhulu, iseti yejenereyitha ayinakuthwala umthwalo omiselweyo. Umsinga wokukhupha amandla ungalungiswa nge-Automatic Voltage Regulator (AVR) ukuze kufezekiswe ukuhambelana kwe-voltage.
- Ifrikhwensi efanayo: Isantya esiqhelekileyo samandla kamasipala eTshayina yi-50Hz. Isantya sokukhupha iseti yejenereyitha kufuneka sihambelane ngokupheleleyo nesantya sombane kamasipala, apho ukuphambuka kulawulwa ngaphakathi kwe-±0.05Hz. Ukungafani kwamaza ombane kuya kubangela ukushukuma kwamandla phakathi kweyunithi kunye negridi, nto leyo eyonakalisa izixhobo. Ukuhambelana kwamaza ombane kunokufezekiswa ngokulungelelanisa isantya senjini yedizili.
- Isigaba esihambelanayo: I-engile yesigaba se-voltage yokukhupha yeseti yejenereyitha kufuneka ihambelane ngokupheleleyo neyombane yamandla kamasipala, kwaye umahluko we-voltage okhawulezileyo usondele kwi-zero. Le yeyona meko inzima kakhulu. Ukuphambuka kwesigaba okugqithisileyo kuya kuvelisa umsinga omkhulu wokungena, kutshise i-generator winding, kwaye kwaphule umngxuma ojikelezayo. Ingajongwa kwaye ilungiswe nge-synchroscope okanye isixhobo sokuvumelanisa ngokuzenzekelayo.
(3) Jonga imeko yesixhobo kwaye ususe iingozi ezinokubakho ezifihlakeleyo
Ngaphambi koqhagamshelo lwegridi, kufuneka kwenziwe uhlolo olupheleleyo lweseti yejenereyitha yedizili kunye nezixhobo ezixhasayo ukuqinisekisa ukuba akukho ziphene okanye iingozi ezifihlakeleyo: okokuqala, jonga iseti yejenereyitha ngokwayo, qalisa iyunithi ukuba ayisebenzi, qinisekisa ukuba ubushushu bamanzi, ubushushu beoyile, kunye noxinzelelo lweoyile ziqhelekile, ngaphandle kwengxolo engaqhelekanga okanye ukungcangcazela okunamandla, kwaye amandla okukhupha angaphantsi kwe-85% yamandla alinganisiweyo; okwesibini, jonga izixhobo ezinxulumene negridi, kubandakanya izixhobo zokulawula ukuvumelanisa, iziqhekeza zesekethe eziqhagamshelene negridi, iirelay zokukhusela, njl.njl., ukuqinisekisa ukuba iingcingo eziqinileyo, izixhobo ezibuthathaka, kunye nezixhobo ezingasebenziyo nezisebenzayo ezifana nokukhusela umbane ongasemva, ukhuseleko olugqithisileyo, kunye nokhuseleko lwesekethe emfutshane; okwesithathu, jonga imeko-bume yegumbi lekhompyutha, ubushushu begumbi lekhompyutha bulawulwa kwi-5℃-35℃, ukufuma okulinganiselweyo kungaphantsi kwe-75%, kwaye umoya ulungile ukuze kuthintelwe ukusasazwa kobushushu kweyunithi. Kwangaxeshanye, gcina ioyile yedizili eyaneleyo, beka iitanki zokugcina ioyile ezingaphezu kwezibini ukuze kube lula ukuna kweoyile entsha, kwaye uqinisekise ukuba amanzi okupholisa anikezelwa ngumxhuzulane ukuze kuthintelwe ukuphazanyiswa kwamandla kamasipala.
II. Ngexesha loQhagamshelo lweGridi: Lungisa iinkqubo zokusebenza kwaye uphephe iingozi zokusebenza
Imisebenzi yoqhagamshelo lwegridi kufuneka ilandele umgaqo "wokubhaqwa kokuqala, emva koko ukulungiswa, kwaye ekugqibeleni kuvalwe", kwaye iqhutywe ngabaqhubi abaziingcali kulo lonke inkqubo. Abasebenzi abangengabo oochwephesha abavumelekanga ngokungqongqo ukuba bathathe inxaxheba. Iinkqubo ezithile kunye namanyathelo okhuseleko zezi zilandelayo:
(1) Khetha indlela efanelekileyo yoQhagamshelo lweGridi
Kukho iindlela ezimbini eziqhelekileyo zoqhagamshelo lwegridi, ekufuneka zikhethwe ngokwemeko yokwenyani: okokuqala, uqhagamshelo lwegridi oluzenzekelayo. Ngesixhobo sokulawula ungqamaniso (ezifana nabalawuli abaphezulu abafana neDeep Sea kunye neComAp), ijonga iiparameter zegridi yamandla kunye neseti yejenereyitha ngexesha langempela, ilungisa ngokuzenzekelayo isantya kunye nevolthi, ibambe indawo yongqamaniso, ize emva koko ikhuphe umyalelo wokuvala ngokuzenzekelayo. Ifanelekile kwiiyunithi ezinkulu okanye iimeko ezineemfuno eziphezulu zokuqhubeka kobonelelo lwamandla, ngokusebenza okusebenzayo nokuchanekileyo; okwesibini, uqhagamshelo lwegridi ngesandla. Jonga iiparameter nge-synchroscope kunye nezibane zesalathisi songqamaniso, ulungise ngesandla isantya senjini yedizili kunye nomsinga wokuvuselela, kwaye uvale ngesandla iswitshi emva kokuba iiparameter zifanisiwe. Ifanelekile kwiiyunithi ezincinci, ifuna abaqhubi babe namava amaninzi kwaye bakwazi ukugweba ngokuchanekileyo indawo yongqamaniso.
Kufuneka kuqatshelwe ukuba uqhagamshelo lwegridi ngesandla lungasebenzisa indlela yesibane esimnyama okanye indlela yokujikeleza ukukhanya ukugweba imeko yokuvumelanisa: indlela yesibane esimnyama igweba umahluko wevolthi ngokucima kwebhalbhu, kwaye indlela yokujikeleza ukukhanya igweba umahluko wefrikhwensi kunye nolandelelwano lwesigaba ngesantya sokujikeleza kunye necala lokukhanya. Ukuba izibane zivula kwaye zicima ngaxeshanye, oko kubonisa impazamo yolandelelwano lwesigaba, kwaye intambo kufuneka ilungiswe ngaphambi kokuba uzame kwakhona.
(2) Sebenzisa ngokungqongqo iinkcukacha zomsebenzi wokuvala
Xa isixhobo sokuvumelanisa sibonisa ukuba iiparameter zihambelana ngokupheleleyo (umahluko wevolthi, umahluko wefrikhwensi, kunye nomahluko wesigaba zonke zikwinqanaba elivumelekileyo), umsebenzi wokuvala ungenziwa: i-circuit breaker eqhagamshelwe kwigridi kufuneka isebenze kancinci ngexesha lokuvala ukuze kuthintelwe umbane wokungena obangelwa kukusebenza okukhawulezayo kakhulu; ngoko nangoko jonga imeko yokusebenza kweyunithi emva kokuvala, kuquka iiparameter ezifana nombane, ivolthi, ifrikhwensi, kunye namandla, kwaye uqinisekise ukuba akukho nto ingaqhelekanga. Ukuba kukho iingxaki ezifana nombane wokungena ogqithisileyo kunye nengxolo engaqhelekanga yeyunithi, iswitshi kufuneka ivulwe ngoko nangoko, kwaye uqhagamshelo lwegridi lungazanywa kwakhona emva kokusombulula ingxaki.
Isikhumbuzo esikhethekileyo: Ukuvala ngenkani xa iiparameter zingahambelani akuvumelekanga ngokungqongqo. Olu qhagamshelo lwegridi olungangqamananga lolona msebenzi uyingozi kakhulu, oluya kuvelisa i-torque enkulu yoomatshini kunye nomsinga wokungena, okunokubangela umonakalo kwi-generator winding, ukuqhuma kwe-circuit breaker, kwaye kuchaphazele negridi yamandla kamasipala, kwandise uluhlu lwempazamo.
(3) Gqibezela Ngokucokisekileyo Udluliselo Lomthwalo
Emva kokuvala ngempumelelo, wonke umthwalo awunakudluliselwa kwiseti yejenereyitha ngoko nangoko. Umthwalo kufuneka wonyuswe kancinci kancinci: okokuqala, sebenzisa umthwalo olula ixesha elithile, ujonge ukuba iiparameter zeyunithi zizinzile na, uze unyuse umthwalo kancinci kancinci ukuya kwinani elimiselweyo ukuze uphephe ukushukuma kwamaza kunye nokutsha kweyunithi okubangelwa kukongezwa komthwalo ngequbuliso. Kwangaxeshanye, usasazo lomthwalo kufuneka lulungiswe ngenkqubo yolawulo lwamandla ukuqinisekisa ukuba iseti yejenereyitha kunye namandla kamasipala abelana ngomthwalo ngokufanelekileyo. Ukuba iiseti ezininzi zejenereyitha ziqhagamshelwe kwigridi, kuyimfuneko ukuqinisekisa ukuba amandla asebenzayo kunye namandla asebenzayo asasazwa ngokulinganayo, kuthintelwe imeko apho iyunithi enye igcwele kakhulu kwaye enye ilayishwe kancinci, kwaye kuthintelwe ukujikeleza kwamandla asebenzayo kwizixhobo ezitshayo.
III. Uqhagamshelo lweGridi emva koQhagamshelo: Qinisa ukuJonga uKhuseleko kunye nokuqinisekisa ukusebenza okuzinzileyo
Uqhagamshelo oluphumelelayo lwegridi alupheli. Ukubeka esweni ngexesha langempela kunye nokhuseleko lokhuseleko zizitshixo zokuqinisekisa ukusebenza okuzinzileyo kwexesha elide. Amanqaku alandelayo kufuneka agxile kuwo:
(1) Ukubeka esweni iiParamitha zokusebenza ngexesha langempela
Cwangcisa abasebenzi abakhethekileyo abasebenza ngexesha langempela ukujonga iiparameter zokusebenza kweseti yejenereyitha kunye namandla kamasipala, kubandakanya i-voltage, i-frequency, i-current, amandla, isigaba, ubushushu bamanzi, ubushushu beoyile, njl.njl., kwaye bagcine iirekhodi zokusebenza. Ukuba kufunyenwe iiparameter ezingaqhelekanga (ezifana nokuguquguquka kwefrikhwensi okugqitha uluhlu oluvumelekileyo, ukunyuka nokuwa kwe-voltage ngequbuliso, amandla abuyela umva, njl.njl.), amanyathelo kufuneka athathwe ngoko nangoko. Ukuba kuyimfuneko, nqumla iswitshi eqhagamshelwe kwigridi, khupha iseti yejenereyitha kwigridi, kwaye uqhagamshele kwakhona kwigridi emva kokusombulula ingxaki. Phakathi kwazo, ukhuseleko lwamandla abuyela umva yeyona nto iphambili. Xa igridi yamandla ithumela amandla kwakhona kwiseti yejenereyitha (iseti yejenereyitha iba yimoto yombane), i-relay yamandla abuyela umva kufuneka isebenze ngoko nangoko ukunqumla isekethe kwaye ithintele injini yedizili ekutsalweni nasekungonakalisweni.
(2) Yenza umsebenzi olungileyo ekukhuseleni umbane kunye nokumisa umhlaba
Xa iseti yejenereyitha iqhagamshelwe kwigridi yamandla kamasipala, kufuneka kumiselwe isixhobo sokwahlukanisa umbane esithembekileyo, kwaye kufuneka kufakwe isixhobo esidibanisayo ukuthintela uqhagamshelo olungalunganga lwegridi. Kwangaxeshanye, iqokobhe lesinyithi, isibiyeli, njl. seseti yejenereyitha kufuneka sisebenzise indlela efanayo yokumisa umhlaba, kwaye umzimba wokumisa umhlaba kufuneka uqhagamshelwe ngokuchanekileyo nangokuqinileyo, ngexabiso lokumelana nobushushu elingaphezulu kwe-0.5MΩ, ukuze kuthintelwe iingozi zokutshayiswa kombane okanye umonakalo wezixhobo obangelwa kukungatshazwa kakuhle komhlaba. Ukongeza, akuvumelekanga ngokungqongqo ukulinganisa ngokungacwangciswanga umbane weseti yejenereyitha nombane kamasipala, kwaye uqhagamshelo lwegridi olungagunyaziswanga aluvumelekanga ngaphandle kokuseta isixhobo esidibanisayo.
(3) Yenza umsebenzi wokucima uqhagamshelo ube mgangathweni
Xa kufuneka ucime okanye umbane kamasipala ubuyele esiqhelweni, umthwalo weseti yejenereyitha kufuneka udluliselwe ngokutyibilikayo kumbane kamasipala kuqala. Emva kokuba umthwalo weyunithi usondele ku-zero (okanye umbane omncinci kakhulu obuyela umva), umyalelo wokuvula ukhutshwa ukuze kunqunyulwe iseti yejenereyitha kwigridi. Emva kokunqanyulwa, iseti yejenereyitha kufuneka isebenze ngaphandle komthwalo ixesha elithile ize icime emva kokuba ipholile ukuze kuthintelwe umonakalo kwizixhobo ezibangelwa kukuvalwa kobushushu obuphezulu. Ukuba umbane kamasipala ubuyela esiqhelweni, kuyimfuneko ukuqinisekisa ukuba iyunithi itshintshela ngokuzenzekelayo kumbane kamasipala, kwaye iyunithi iphuma ngokuzenzekelayo emsebenzini ize icime ngokulibaziseka, ngokuhambelana neemfuno zomgangatho we-GB51348-2019.
IV. Ukusebenza Nokugcinwa Kwemihla Ngemihla: Ukuhlolwa Nokugcinwa Rhoqo Ukuze Kuncitshiswe Amathuba Okuba Neziphene
Ukusebenza nokugcinwa kwemihla ngemihla sisiseko sokuqinisekisa ukhuseleko loqhagamshelo lwegridi. Inkqubo epheleleyo yokugcinwa kufuneka imiselwe ukuze ihlole, igcine, kwaye ivavanye izixhobo rhoqo. Amanqaku athile ngala alandelayo:
- Ukusebenza rhoqo kovavanyo: Yenza uvavanyo lokungasebenzisi umthwalo weseti yejenereyitha kanye ngenyanga, ixesha ngalinye ubuncinane imizuzu eli-15, ukujonga ukusebenza kweyunithi yokuqala, uvakalelo lwesixhobo, kunye nemeko yokusebenza kwesixhobo; yenza uvavanyo lomthwalo kanye ngekota ukuze ulingise imeko yoqhagamshelo lwegridi kwaye uqinisekise ukusebenza kakuhle kwesixhobo sokuvumelanisa kunye nesixhobo sokukhusela.
- Ukugcinwa kwezixhobo: Tshintsha rhoqo ioyile yedizili, ioyile yenjini, i-coolant, kunye nezihluzi zomoya, kwaye ujonge ukuvuza kwimibhobho yepetroli nakwiinkqubo zokupholisa; lungisa rhoqo izixhobo ezifana nee-synchroscopes, ii-voltage regulators, kunye nee-protection relay ukuqinisekisa iiparameter ezichanekileyo; kwiindawo ezibandayo, kufuneka kubonelelwe ngokufudumeza kwigumbi lekhompyutha ukuqinisekisa ukuba iyunithi ingaqala kakuhle xa kukho imeko kaxakeka.
- Ukusombulula iingxaki zempazamo: Misela iakhawunti yempazamo, ubhale phantsi ngexesha elifanelekileyo kwaye ulungise iingxaki ezenzeka ngexesha loqhagamshelo lwegridi (ezifana nokusilela koqhagamshelo lwegridi, ukusasazwa kwamandla angalinganiyo, ukujikeleza okugqithisileyo, njl.njl.), hlalutya unobangela wempazamo, kwaye uphephe ukuphinda kwenzeke kweengxaki ezifanayo. Umzekelo, ukuba kukho ukusasazwa kwamandla angalinganiyo, kusenokuba kungenxa yokunamathela kwe-governor okanye i-wiring engalunganga ye-current transformer, ekufuneka ilungiswe kwaye ilungiswe ngexesha.
- Uqeqesho lwaBasebenzi: Abaqhubi kufuneka bafumane uqeqesho lobungcali, baqhelane neenkqubo zokusebenza koqhagamshelo lwegridi, ukusebenza kwezixhobo, kunye namanyathelo okhuseleko, kwaye banokuqala umsebenzi kuphela emva kokuphumelela uvavanyo. Ukusebenza okungagunyaziswanga akuvumelekanga ngokungqongqo; lungiselela uqeqesho olungxamisekileyo rhoqo ukuphucula amandla abaqhubi okusingatha iimpazamo ezingalindelekanga.
V. Isishwankathelo: Hlonipha iinkcukacha kwaye ufezekise uQhagamshelwano oluKhuselekileyo lweGridi
Uqhagamshelo lwegridi lweeseti zejenereyitha yedizili kunye nombane kamasipala ngumsebenzi ochanekileyo "ofana nemayile". Akufuneki nje kuphela ukuba kuhlangatyezwane neemeko zobugcisa ezingqongqo kodwa kukwafuneka kulandelwe iinkqubo zokusebenza ezisemgangathweni, kwaye kugxininiswe kakhulu ekusebenzeni kwemihla ngemihla kunye nokugcinwa kunye nokhuseleko. Ukususela ekuphathweni kweziqinisekiso kunye nokuqinisekiswa kweeparamitha ngaphambi koqhagamshelo lwegridi, ukuya ekusebenzeni okusemgangathweni kunye nokudluliselwa komthwalo ngexesha loqhagamshelo lwegridi, kwaye emva koko ukuya esweni ngexesha langempela kunye nokucutshungulwa kombane emva koqhagamshelo lwegridi, yonke ikhonkco ayinakuba yinkcitha-xesha.
Kufuneka kugxininiswe ngakumbi ukuba abasebenzi abangengobasebenzi abangochwephesha abavumelekanga ngokungqongqo ekusebenziseni izixhobo eziqhagamshelwe kwigridi. Uqhagamshelo lwegridi olungagunyaziswanga kunye nokusebenza ngokungacwangciswanga akuyi konakalisa nje kuphela izixhobo kodwa kunokubangela ukusilela kwegridi yamandla kunye neengozi zokhuseleko lomntu. Kubasebenzisi bamandla abaqhelekileyo, ukuba uqhagamshelo lwegridi yexesha elide alufuneki, iswitshi yokudlulisa ngokuzenzekelayo "yokuvelisa umbane kamasipala" (ATS) eqhelekileyo lukhetho olukhuselekileyo, olungabizi kakhulu, noluthobela imithetho.
Kuphela ngokuthobela iinkcukacha zobugcisa, ukusebenzisa ngokungqongqo iinkqubo zokusebenza, nokwenza umsebenzi olungileyo ekusebenzeni nasekugcinweni kwemihla ngemihla apho sinokunika amandla kamasipala ithuba lokusebenzisa ngokupheleleyo iingenelo zoqhagamshelo lwegridi yeeseti zejenereyitha yedizili, sifumane umbane okhuselekileyo, ozinzileyo, nosebenzayo, kunye nemveliso kunye nobomi bomphelekisi.
Ixesha leposi: Meyi-19-2026
