[Izinkinga okufanele ziphawulwe ekusetshenzisweni nasekuklanyweni kwesiteshi esincane sohlobo lwebhokisi]: 1 Uhlolojikelele nokusetshenziswa kwesiteshi esincane sohlobo lwebhokisi, esaziwa nangokuthi isiteshi esingaphansi esiphelele sangaphandle, esaziwa nangokuthi isiteshi esingaphansi esihlanganisiwe, saziswa kakhulu ngenxa yezinzuzo zaso njengenhlanganisela eguquguqukayo, ezokuthutha ezikahle, ukufuduka, ukufakwa okulula, isikhathi sokwakha esifushane, izindleko eziphansi zokusebenza, indawo encane yaphansi, ukungangcoli, ukungalungiswa, njll. Ukwakhiwa kwenethiwekhi yasemaphandleni
Uhlolojikelele nokusetshenziswa kwesiteshi sohlobo lwebhokisi
Isiteshi esincane sohlobo lwebhokisi, esaziwa nangokuthi yisiteshi esincane esiphelele sangaphandle, esibuye saziwe ngokuthi yisiteshi esincane esihlanganisiwe, saziswa kabanzi ngenxa yezinzuzo zaso ezifana nenhlanganisela eguquguqukayo, ukuthutha okulula, ukufuduka, ukufakwa okulula, isikhathi sokwakha esifushane, izindleko eziphansi zokusebenza, indawo encane yaphansi, ukungcola. -mahhala, akunasondlo, njll. Ekwakhiweni (ukuguqulwa) kwegridi kagesi yasemaphandleni, isetshenziswa kakhulu ekwakhiweni nasekuguqulweni kweziteshi zasemadolobheni nezasemaphandleni ezingu-10 ~ 110kV ezincane nezinosayizi omaphakathi (ukusabalalisa), izimboni nezimayini, kanye iziteshi zeselula zokusebenza.Ngenxa yokuthi kulula ukungena ujule esikhungweni sokulayisha, unciphise irediyasi yokuphakelwa kukagesi, futhi uthuthukise ikhwalithi yamandla kagesi ogcinayo, ifaneleka ngokukhethekile ukuguqulwa kwegridi yamandla asemaphandleni, futhi yaziwa ngokuthi imodi ehlosiwe yokwakhiwa kwesiteshi esincane ngama-21. ikhulu leminyaka.
Izici zesiteshi sohlobo lwebhokisi
1.1.1Ubuchwepheshe obuthuthukisiwe nokuphepha * Ingxenye yebhokisi ithatha ubuchwepheshe obuholayo basekhaya kanye nenqubo, igobolondo ngokuvamile lenziwa nge-aluminium zinc plated steel plate, ifreyimu yenziwe ngezinto ezijwayelekile zesiqukathi kanye nenqubo yokukhiqiza, enokusebenza okuhle kokunqanda ukugqwala futhi qinisekisa ukuthi ngeke igle iminyaka engu-20, ipuleti lokuvala langaphakathi lenziwe nge-aluminium alloy gusset plate, i-interlayer yenziwe ngezinto ezingashi nokushisa ezishisayo, ibhokisi lifakwe ne-air conditioning kanye ne-dehumidification, kanye nokusebenza kwemishini ayithinteki imvelo yemvelo yesimo sezulu kanye nokungcola kwangaphandle, Ingaqinisekisa ukusebenza okuvamile ngaphansi kwemvelo enokhahlo engu-40 ℃~+40 ℃.Imishini eyinhloko esebhokisini ikhabethe lokushintsha iyunithi, isiguquli sohlobo olomile, isiguquli sohlobo olomile, i-vacuum circuit breaker (indlela yokusebenza yasentwasahlobo) nezinye izinto zokusebenza ezithuthuke kakhulu ekhaya.Umkhiqizo awunazo izingxenye ezibukhoma eziveziwe.Kuyisakhiwo esivalekile ngokuphelele, esingafinyelela ngokuphelele izingozi zokushaqeka kukagesi.Isiteshi sonke singabona ukusebenza okungenawo uwoyela ngokuphepha okuphezulu.Uhlelo lwesibili oludidiyelwe lwe-automation lungakwazi ukubona ukusebenza okungagadiwe.
1.1.2Idizayini ekhaliphile yesiteshi sonke enezinga eliphezulu lokuzenzakalela.Uhlelo lokuvikela lwamukela idivayisi ehlanganisiwe ye-microcomputer ye-automation yesiteshi esincane, efakwe ngendlela yokwehlukaniswa, futhi ingakwazi ukubona “amaremothi amane”, okungukuthi, i-telemetering, ukusayinda okukude, isilawuli kude nokulungiswa okukude.Iyunithi ngayinye inemisebenzi yokusebenza ezimele.Imisebenzi yokuvikela i-relay isiqediwe.Ingasetha amapharamitha wokusebenza ukude, ilawule umswakama nezinga lokushisa ebhokisini, futhi ihlangabezane nezidingo zokusebenza okungagadiwe.
1.1.3Ngesikhathi sokuklama okwenziwe ngaphambilini kwefekthri, inqobo nje uma umklami enza umdwebo oyinhloko wezintambo eziyinhloko kanye nomklamo wemishini ngaphandle kwebhokisi ngokuvumelana nezidingo zangempela zesiteshi esincane, angakhetha ukucaciswa kanye namamodeli webhokisi le-transformer elinikezwe umenzi.Zonke izinto ezisetshenziswayo zifakiwe futhi zalungiswa embonini kanye, okuqaphela ngempela ukwakhiwa kwefekthri kwesiteshi esincane futhi kufinyeze umjikelezo wokuklama nowokukhiqiza;Ukufakwa kwesayithi kudinga kuphela ukuma kwebhokisi, ukuxhunywa kwekhebula phakathi kwamabhokisi, uxhumo lwekhebula eliphumayo, ukuqinisekiswa kwesilungiselelo sokuvikela, ukuhlolwa kwedrayivu kanye nomunye umsebenzi odinga ukugunyazwa.Isiteshi esincane sonke sithatha kuphela izinsuku ezingaba ngu-5-8 kusukela ekufakweni kuya ekusebenzeni, kunciphisa kakhulu isikhathi sokwakha.
1.1.4Imodi yokuhlanganisa eguquguqukayo Isiteshi esincane sohlobo lwebhokisi sinesakhiwo esihlangene, futhi ibhokisi ngalinye lakha uhlelo oluzimele, okwenza imodi yokuhlanganisa iguquguquke futhi ishintshe.Singasebenzisa uhlobo lwesiteshi esincane sebhokisi, okungukuthi, imishini ye-35kV ne-10kV ifakwe kuwo wonke amabhokisi ukuze kwakhe isiteshi esincane sohlobo lwebhokisi;Impahla ye-35kV ingafakwa ngaphandle, futhi imishini ye-10kV kanye nohlelo lokulawula nokuvikela lungafakwa ngaphakathi.Le modi yokuhlanganisa ifaneleka ngokukhethekile ukwakhiwa kabusha kweziteshi ezingaphansi ezindala ekwakhiweni kabusha kwegridi yamandla yasemaphandleni, okungukuthi, okokusebenza kwangempela okungu-35kV akunyakaziswa, futhi kungafakwa ibhokisi lokushintsha elingu-10kV kuphela ukuze kuhlangatshezwane nezidingo ezingagadiwe.
1.1.5Ukonga utshalomali kanye nesiteshi esincane esisebenza ngokushesha sohlobo lwebhokisi (imishini engu-35kV ihlelwa ngaphandle futhi okokusebenza okungu-10kV kufakwe ngaphakathi kwebhokisi) kunciphisa ukutshalwa kwezimali ngo-40% ~50% uma kuqhathaniswa nesiteshi esincane esihlanganisiwe esikalini esifanayo (imishini engu-35kV ihlelwa ngaphandle kanye nemishini engu-10kV Ihlelwe egumbini lokushintshela langaphakathi eline-high-voltage kanye negumbi lokulawula eliphakathi).
1.1.6Isibonelo esingenhla sibonisa ukuthi indawo ephansi yesiteshi yehliswa cishe ngo-70m2 ngenxa yesiteshi esincane sohlobo lwebhokisi ngaphandle kwenani lokwakha, elihambisana nenqubomgomo kazwelonke yokonga umhlaba.
1.2Ukusetshenziswa kwesiteshi esincane sohlobo lwebhokisi ekwakhiweni kwegridi yamandla yasemaphandleni (ukuguqulwa) Imodi yesiteshi esincane sohlobo lwebhokisi isetshenziswa kakhulu ekwakhiweni kwegridi yamandla yasemaphandleni (uguquko).Isibonelo, i-terminal substation entsha engu-35kV enamandla okuguqula amandla angu-2 × 3150kVA, i-voltage enezigaba ezintathu ezijikayo ephindwe kabili engeyona evusa amadlingozi elawula i-voltage grade engu-35 ± 2 × 2.5％/10.5kV.
Isekhethi eyodwa yolayini ongenayo ongu-35kV ongaphezulu, isixhumi se-vacuum load engu-35kV kanye nefuse esheshayo zisetshenziswa ndawonye ohlangothini lwamandla kagesi aphezulu we-transformer enkulu ukuze kuthathelwe indawo i-35kV vacuum circuit breaker, kwehliswe izindleko, futhi kubone ukuvuleka kokuxhumana lapho ifuse ihlanganiswa endaweni eyodwa. ukusebenza kokwehluleka kwesigaba kanye nesigaba.Ingxenye engu-10kV isebenzisa ukwakheka kohlobo lwebhokisi lokusatshalaliswa kwamandla.Kunemigqa ephumayo engu-6 yezintambo ezingu-10kV, enye yazo iyisekhethi yesinxephezelo esisebenzayo kanti enye ibekwe eceleni.Amabhasi angu-35kV kanye ne-10kV axhunywe ngebhasi elilodwa ngaphandle kwesigaba.Isiteshi esincane sibekwe ohlangothini lukalayini ongenayo ongu-35kV, namandla angu-50kVA nezinga likagesi elingu-35 ± 5%/0.4kV.Uhlelo lwesibili lukagesi lwesiteshi sokusabalalisa uhlobo lwebhokisi lwamukela uhlelo oludidiyelwe lwe-microcomputer oluzenzakalelayo.
[$ page] 2 Ukucatshangelwa ekwakhiweni kwesiteshi esincane sohlobo lwebhokisi
2.1Imvume encane yokuvikela umlilo phakathi kwe-transformer eyinhloko nebhokisi izohlangabezana nezidingo zeKhodi Yokuklama ye-35 ~ 110kV Substation, futhi imvume encane yokuvikela umlilo phakathi kwezakhiwo ezinesilinganiso sokumelana nomlilo se-Class II kanye ne-transformer (i-oyili ecwilisiwe) izoba 10m.Odongeni lwangaphandle olubheke i-transformer, i-dielectric capacitor evuthayo nezinye izinto zikagesi (ezihlangabezana nezidingo zokuvikela), uma ingekho iminyango namafasitela noma izimbobo ngaphakathi kobude obuphelele bemishini kanye no-3m no-3m nhlangothi zombili, ibanga elicacile phakathi udonga kanye nezinto zokusebenza kungavinjelwa;Uma ingekho iminyango namafasitela avamile avuliwe phakathi kwebanga elingenhla, kodwa kunezicabha zomlilo, ibanga lomlilo elicacile phakathi kodonga nezinto zokusebenza lizolingana noma libe likhulu kuno-5m.Isilinganiso esincane sokumelana nomlilo sedivayisi yokusabalalisa amandla yiBanga II.Isistimu eyinhloko engaphakathi kwebhokisi lesiteshi sokusabalalisa amandla ohlobo lwebhokisi yamukela isakhiwo sekhabhinethi ye-vacuum switch.Iyunithi ngayinye ithatha isakhiwo somnyango esihlotshiswe ngamaphrofayili akhethekile we-aluminium.Ingemuva letheku ngalinye lifakwe amapuleti okuvikela anezingqimba ezimbili, angavula umnyango wangaphandle.Emsebenzini wethu wokuklama, imvume encane yokuvikela umlilo phakathi kwe-transformer eyinhloko nebhokisi kunconywa ukuba ibe yi-10m ukuqinisekisa ukusebenza okuphephile kwesiteshi esincane.
2.2Ikhebula le-10kV kufanele lifakwe ngamapayipi ensimbi ngezinhloso zobuhle.Indawo ezungezile yebhokisi lesiteshi sokusabalalisa uhlobo lwebhokisi elingu-10kV esiteshini ngokuvamile iklanywa njengendawo egandaywe wusimende, kanti isigxobo setheminali sikalayini we-10kV ngokuvamile siba ngu-10m ngaphandle kodonga lwesiteshi esincane.Uma ikhebula ligqitshwe ngokuqondile futhi liholelwa esigxotsheni setheminali, kuzoletha ukuphazamiseka okukhulu ekunakekeleni.Ngakho-ke, intambo yokuphuma kwentambo engu-10kV kufanele ifakwe ngamapayipi ensimbi ukuze kube lula ukugcinwa nokulungiswa kwabasebenzisi.Uma isigxobo setheminali esingu-10kV sikude nesiteshi, intambo yekhebula engu-10kV esuka ebhokisini iya endaweni ebiyelwe esiteshini esincane kufanele ifakwe ngamapayipi ensimbi.Kufakwe uhlobo olusha lwesivikeli se-over-voltage esigxotsheni setheminali ekugcineni kolayini ophumayo wekhebula ukuze kuvinjelwe ukugeleza kwamandla kagesi.
3 Isiphetho
Eminyakeni yamuva nje, i-substation yohlobo lwebhokisi yiyona ndlela eyinhloko yokwakhiwa kwegridi yamandla asemaphandleni (ukuguqulwa) kanye nokwakhiwa kwesiteshi esincane esizayo, kodwa kuseneziphambeko ezithile, njengengxenye encane yokwandisa yesikhawu somugqa ophumayo ebhokisini, indawo encane yokulungisa, njll. Kodwa-ke, ithuthukiswa kakhulu futhi isetshenziswa ngezinzuzo zezomnotho nokusebenza, futhi ukushiyeka kwayo kuzothuthukiswa futhi kuphelele ekuthuthukisweni okuqhubekayo.
Isikhathi sokuthumela: Oct-22-2022