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Uphuhliso kunye nokusetyenziswa koluhlu lwezixhobo zomnxeba wokuhanjiswa kwentambo ephilayo

Ukusebenza okuphilayo yindlela ebalulekileyo yokusebenza kwamandla okwangoku, kodwa kukho imingcipheko enkulu yokhuseleko kwinkqubo yokusebenza, eya kubangela ingozi enkulu kuzinzo lwenkqubo yamandla kunye nobomi babaqhubi.Ke ngoko, kubaluleke kakhulu ukusebenzisa izixhobo ezifanelekileyo kwinkqubo yokusebenza komgca ophilayo.Kuyimfuneko ukulandela uphuhliso lwetekhnoloji yokusebenza komgca ophilayo ukwenza umsebenzi olungileyo kuphando lwesixhobo kunye nophuhliso, ukuhlangabezana neemfuno zeentlobo ezahlukeneyo zokusebenza komgca ophilayo, ukubonelela ngokhuseleko olwaneleyo kubaqhubi, kunye nokukhuthaza uphuhliso oluzinzileyo lweshishini lamandla ombane. .

Ekubonweni kobume bemizila yokuhambisa, ukusetyenziswa kokusebenza okuphilayo kunokuphepha impembelelo yokufumanisa umsebenzi ekusebenzeni kwesiphaluka esiqhelekileyo kunye nokuqinisekisa inkonzo yenkqubo yamandla.Nangona kunjalo, ukusebenza ngokuphila ngumlinganiselo ongqongqo wobugcisa.Njengoko isekethe isasebenza ngexesha lokusebenza, kunokubakho umngcipheko wokothuka kombane, eyona ndlela iyingozi yokusebenza [1].Ukuba umsebenzi awukho kumgangatho wenkqubo yomsebenzi, abaqhubi, ukunikezelwa kwamandla ommandla, ukusebenza kwentambo yokuhambisa kunye nezinye imveliso kunye nobomi buya kuchaphazeleka.Ukuba umsebenzi uyasilela ekusebenzeni okanye unengxaki ngesixhobo, uya kufumana umothuko omkhulu wombane kwaye abeke ubomi bakhe emngciphekweni.

Kubaluleke kakhulu ukumisela iiparameters eziphambili zobugcisa kwaye ukhethe izixhobo ezifanelekileyo zokusebenza ngokuphila ngenxa yengozi ecacileyo yokusebenza ngokuphila.Isixhobo kufuneka sihlangabezane nobude obuncinci bokugquma, ngokukodwa kwi-1000kV i-voltage ephezulu yeesekethe ze-AC, isixhobo kufuneka sinikeze ukhuseleko olwaneleyo kumqhubi.

1. Uhlalutyo lwezizathu zeengxaki zokhuseleko ekusebenzeni kwentambo yosasazo ephilayo

Imingcipheko yokuhlala kwindawo yokusebenza.Njengoko umsebenzi wokuhambisa umgca wobomi ngokwawo unomngcipheko omkhulu, ngoko ke ukuba indawo yesayithi inzima kakhulu, iya kwandisa umngcipheko kwinkqubo yokusebenza.Ngokomzekelo, iimeko zemozulu ezijikelezileyo, indawo, imigca yokunxibelelana, i-traffic kunye nezinye iingxaki ziya kuchaphazela ukuphuhliswa kwemisebenzi ephilayo.Ke ngoko, ngaphambi kokuqala komsebenzi ophilayo, abaqhubi kufuneka baphonononge imeko engqongileyo, balawule ukugcwala kwendawo, ukuze baphuhlise isicwangciso esifanelekileyo somsebenzi ophilayo.Umzekelo, yenza umsebenzi olungileyo kwingqikelelo yemozulu kwaye uxhotyiswe nge-anemometer kunye nezinye izixhobo zokuqonda okusingqongileyo kwisiza, uphephe ukusebenza emoyeni onamandla, imvula enkulu, ikhephu kunye nezinye iimeko, ezifana nemozulu embi kwinkqubo yokusebenza ukuyeka ukuhlala. ukusebenza.

Imiba yolawulo lwesixhobo.Ukukhuselwa kokhuseleko lwendawo yokuhanjiswa, kungekuphela nje umsebenzi wokukhusela umntu, kodwa nangolawulo lwesixhobo sokuqinisekisa ukhuseleko lokusebenza ngokuphila.Nangona kunjalo, abaninzi abaqhubi abanalo ulwazi lolawulo lwesixhobo, ukungabikho kokuhlolwa rhoqo kunye nokugcinwa kwezixhobo, kulula ukukhokelela kwisixhobo sokuguga kunye nomonakalo, ngaloo ndlela kuchaphazela ukhuseleko lwenkqubo yokusebenza;Okwesibini, kukho ukunqongophala kwenkqubo yokulawula izixhobo ezigqibeleleyo, izixhobo zokungabikho kolwazi olugqibeleleyo, kodwa kunye nokungabikho kolwazi lokuhlola isixhobo ngaphambi kokusebenza, ekulula ukubangela iingozi ezifihliweyo emsebenzini.

Ingozi efihliweyo yokusebenza ngokuphila.Okwangoku, zonke izixhobo zokusebenza eziphilayo zixhobo zokugquma, umgangatho wokufakelwa kwezinto zesixhobo unquma umphumo we-insulation wesixhobo.Nangona kunjalo, ezinye izixhobo zinokuba ne-insulation ekumgangatho ophantsi kunye nomonakalo, onokukhokelela kwiingozi ngexesha lokusebenza.Kukho nezinye izixhobo ezingayilwanga ngokufanelekileyo, ezingenako ukufikelela kwisiphumo esifanelekileyo sokusebenza, ukungahambelani nomgangatho wokusebenza okuphilayo, kuya kubangela iingozi zokhuseleko.

Izixhobo zangoku zentsimbi ezitsha zokusebenza ngokuphila

2.1 Iimfuno zezixhobo zokusebenza ngokuphila

Njengoko iintambo zothumelo lwe-UHV kunye ne-UHV zinebakala eliphezulu kakhulu lamandla ombane, isithuba esikhulu somgca, ukucandwa kweengcingo ezingaphezulu, kunye nobude bentambo yesigqubuthelo esikhulu kunye neetoni, iimfuno eziphezulu kakhulu zibekwe phambili kwizixhobo zokusebenza [2].Ngokuqhelekileyo, ubude obuncinane bokufakelwa komgca womgca kufuneka bukhethwe.Ngokomzekelo, isixhobo sokuphakamisa ucingo kufuneka sihlangabezane neemfuno zeetoni ezinkulu kunye ne-soft insulation yomthwalo womgca.Izixhobo zetsimbi kufuneka zidibaniswe neempawu zesekethe ukuze kulungiswe isakhiwo sesixhobo sokuhlangabezana neemfuno zenkqubo yokusebenza kunye nokunciphisa ubuninzi bokusebenza komsebenzisi.Okwangoku, isixhobo socingo oluqinileyo kunye nesixhobo sokuhanjiswa kwe-hydraulic senziwe.

Ukukhethwa kwesixhobo phantsi kokusebenza okuphilayo, okokuqala, kufuneka ibe ne-insulation ephezulu, ihlangabezane neemfuno zomgangatho wombane, kunye nokumelana nemozulu ephezulu;Okwesibini, isixhobo kufuneka sibe namandla okwaneleyo omatshini ukulungelelanisa iimfuno zokusebenza kwe-UHV yocingo lwesekethe, ubunzima obufileyo bezinto zokufakelwa kunye nokunyuka komgama womgca, ukwenzela ukuba ugweme umonakalo wezixhobo zokusebenza.Ukuze kuphuculwe ukuguquguquka kokwakhiwa, izixhobo zokusebenza eziphilayo kufuneka zibe lula.Ngokomzekelo, ukuze uhlangabezane neentambo ze-insulator zobude obahlukeneyo, izixhobo ezixhasayo kufuneka zibe zikhulu ngobude kwaye zibe nengqiqo ngakumbi ngomthamo, kodwa kufuneka zikwazi ukulawula ubunzima bezixhobo zokuhlangabezana neemfuno zothutho olufanelekileyo kunye nobuqili bokusebenza. .Ekugqibeleni, kwezinye izixhobo ezikhethekileyo kufuneka zibe nokuguquguquka okuphezulu.

2.2 Isibambiso somgca wokuxhoma othe ngqo we-U-bolt yokuzalisa kunye nesixhobo sokuqinisa

imigca Transmission ngqo ejingayo ubambe O ibholiti yokuqinisa izixhobo eyomeleleyo wajoyina isixhobo transmission, kubandakanywa ngasemva isandla ukujika umqheba ukusebenza, indibanisela incamela lever, isixhobo transmission isixhobo sinokuba 180 ° ukunqunyanyiswa okujikelezayo, kunye nomkhono okhethekileyo wokugcina, bolt kwi isixhobo sokuqinisa esisetyenziswe ngexesha elifanayo, umkhono okhethekileyo we-bolt ngaphakathi ungafaka kwi-bolt, i-spring cushion, i-flat mat, Ukufezekisa i-bolt yokuqinisa kunye nomsebenzi wokugcwalisa kude.Ngokusebenzisa indlela yokusebenza yesikhundla ephilayo, ingxaki yokukhulula kunye nokuwa kwe-u-bolt ye-conductor overhang clip kwinkqubo yamandla ingasonjululwa.Emva kokuba i-u-bolt yongezwe, isixhobo sokuqhuba isixhobo sinokutshintshwa kunye ne-ratchet wrench ejikelezayo ukuqinisekisa ukuba ibholithi iqinisiwe.

Isixhobo sineempawu zokusebenza okulula, ukusebenza okuguquguqukayo kunye nokusebenza okuphezulu ngokusebenza ngokudibanisa kunye nokuqinisa i-u-bolt ye-clip yomgca we-overhanging.Izinto zokufakelwa kwe-insulation zisetyenziselwa ukuyila isixhobo, esinokuqinisekisa ukhuseleko kunye nesimo somsebenzi ophilayo ukuya kwinqanaba elikhulu kwaye zihlangabezane neemfuno zokufakelwa kombane zomsebenzi ophilayo.Ngaphandle koko, inokuguquguquka okuhle kwaye inokusebenza kuyo nayiphi na imeko yemozulu [3].Ngokuncediswa kweendawo zebhendi ephilayo, ukungaphumeleli kwamandla okwethutyana kunokuphetshwa, ukhuseleko lokusebenza lunokuqinisekiswa, ukuthembeka komgca kunokuqinisekiswa ngomlinganiselo omkhulu, kunye neenzuzo eziphezulu zoqoqosho nezentlalo zinokudalwa.

2.3 Isixhobo sokutshiza sombane esinemisebenzi emininzi

Isixhobo siqukethe intloko yokusebenza, i-telescopic insulating lever, kunye nenkqubo yokusebenza, apho intloko yokusebenza isebenzisa isixhobo esikhethekileyo sokudibanisa, esidityaniswe nesixhobo sokudibanisa nge-telescopic lever, kwaye emva koko iqhutywe yi-manipulator yangasemva. ukusebenzisa itanki ngaphakathi kwesixhobo sokubambelela ukwenzela ukuba izinto ezichasene ne-anticorrosive zisetyenziswe kufutshane nesixhobo.Isixhobo sinokuhlangabezana neemfuno zomsebenzi womsebenzi ophilayo, unokuqinisekisa umgama wokhuseleko lomsebenzi, ukufezekisa umsebenzi ongathanga ngqo.Inokusombulula ngokufanelekileyo ukuthotywa kwe-parallel clearance, ukutsha, ukubola kwezinto zegolide kunye nokubola kwesando esothusayo, kwaye inokulungiswa ngokusebenza kombane.Ukusebenzisa esi sixhobo sinokusetyenziswa kwindawo ye-hydrophobic, gcwalisa izixhobo zombane ngokutshiza i-zinc, ukuqinisekisa ukuzinza kwezixhobo zamandla.

2.4 Isixhobo sokuqinisa ipleyiti yebholithi yebholithi ye-Multi-angle tensioning

Kukho izalathiso ezininzi zeebholiti zepleyiti zokuhambisa amanzi, kubandakanywa umgca onqamlezileyo, icala lelayini ejiyileyo, ecaleni kwendlela njalo njalo.Ngenxa yale njongo, iindawo ezintathu zokuguqula zibekwe kwi-wrench, phakathi kwayo indawo yokuguqula intloko inokujikelezwa ngokuthe tye ngokusebenzisa umkhono.Ukuze ulungelelanise i-Angle, isixhobo sangoku sinokujikelezwa ngokuthe tye nge-180 °;Ngokweemeko zokusebenza zangempela zenkqubo yamandla, isixhobo sinokulungiswa kwii-angles ezininzi kunye namanqaku amaninzi ukuxazulula ingxaki ye-disharmony phakathi kwe-bolt angles kunye ne-sleeve angles.Kwindawo yokuguqula ephakathi, i-spanner ingasetyenziselwa ukujikeleza kwe-multi-angle, ukulungelelanisa isalathiso se-sleeve kwi-spanner, ukusombulula ngokufanelekileyo iimfuno ze-bolt torque, ukuhlangabezana neemfuno zokufakela ibholithi ecaleni komgca.Isixhobo kwakhona sisusa isidingo somgama okhuselekileyo wokukhupha amanzi.Ngokudibanisa indawo ejikelezayo esezantsi kwi-lever insulated, umqhubi unokutyhala kwaye atsale i-lever ukuze ajikeleze umkhono, ojikeleza iibholiti ze-drain plate.Ukusetyenziswa kwesi sixhobo kuphucula ukulungelelaniswa kwendawo yokusebenza, kwaye kuqinisekisa iimfuno zeebholiti zokubopha ucingo ngeendlela ezahlukeneyo zepleyiti yokudonsa amanzi.

2.5 Izixhobo zentsimbi ezigqumayo

Ukuphuhliswa kwezixhobo zetsimbi ezikhuselayo zomsebenzi ophilayo kufuneka zisekelwe kwisakhiwo kunye neempawu zeeparitha ze-insulator zomgca.Ekubeni uluhlu lomthwalo wemitya ye-insulator yemigca ye-UHV ngokuqhelekileyo i-210 ~ 550kN, umthwalo olinganisiweyo we-insulating fixtures kufuneka ube yi-60 ~ 145kN ngokomgaqo woyilo [4].Okwangoku, kwimizila yasekhaya yombane we-ultra-high, i-clamp yentsimbi ethe tye esetyenzisiweyo ibandakanya uhlobo lwe-I, uhlobo lwe-V kunye nomtya ophindwe kabini, kunye nentambo ye-insulator ye-tensioning ibandakanya i-double or multi-disc insulators.Izixhobo ezahlukeneyo zokutshintshwa kwe-insulator zingasetyenziselwa ngokweendlela ezahlukeneyo zentambo ye-insulator kunye neempawu zokudibanisa ukudibanisa.Ngokusetyenziswa kwentsimbi yentsimbi kunokugqiba ngcono ukuhanjiswa komsebenzi wetoni, ukuhlangabezana neemfuno zabaqhubi kwintsimi.Kwizixhobo ezinkulu zetsimbi zeetoni, izinto eziphambili ziqukethe i-titanium alloy kwaye icutshungulwa ngokusebenzisa inkqubo entsha yokusika.Ukuququzelela ukugqithiswa ngokufanelekileyo komthwalo wocingo, ukulungiswa kwakhona kubandakanya i-hydraulic kunye neengcingo zoomatshini ukuhlangabezana neemfuno zokurhoxisa kunye neentonga zokubuyisela.

3. Uphando lwexesha elizayo kunye nesikhokelo sophuhliso lwezixhobo zokusebenza zothumelo

Umsebenzi wasekhaya wangoku kwimigca yokudluliselwa kwe-uhv inophando oluninzi, isixhobo esitsha sinokuhlangabezana neemfuno zomsebenzi wentsimi, kubandakanya ukuhamba ngocingo, ukuhlola ucingo, izixhobo zentsimbi equipotential, njengomsebenzi wesixhobo esibanzi ngakumbi, kwaye ngokujonga i800 kv dc high tension line charged job, izixhobo zokusebenza eziphilayo nazo zinexabiso eliphezulu kakhulu lesicelo.Kuphando lwexesha elizayo, kufuneka siqhubeke siqinisa uphando lwesixhobo kunye nophuhliso lweendawo eziphakamileyo eziphakamileyo, sifunde ngokunzulu iimpawu zomgca weendawo eziphakamileyo, kunye nokusebenzisa izixhobo zokuqinisekisa ukukhuselwa kokusebenza okuphilayo.Kuyimfuneko ukuqhubeka ukomeleza uphando lwamandla aphezulu aguquguqukayo izixhobo zokugquma kunye nokwenza izixhobo zokunyusa eziguquguqukayo zokunyusa.Kuphando lwezixhobo ze-equipotential, uphando lwezixhobo ezikhaphukhaphu kunye nezomatshini kufuneka zomelezwe ukuze kuphuculwe ubukrelekrele bezixhobo zokubona.Kwizixhobo zokusebenza, kuyimfuneko ukuqhubela phambili ukufunda indima yee-helicopter kunye nezinye izixhobo ekusebenzeni, kunye nokomeleza uphando lwabanye oomatshini abakhulu ukuqinisekisa ukusebenza komsebenzi.

Ukushwankathela, umsebenzi wokukhusela kufuneka wenziwe kakuhle ngexesha lokusebenza ngokuphila kweentambo zokuhambisa, kwaye abaqhubi kufuneka bakhethe izixhobo ezifanelekileyo zokuqinisekisa ukhuseleko ngexesha lokusebenza.Abasebenzi bophando kunye nophuhliso kufuneka bahlalutye ngokupheleleyo imeko yokusebenza komgca ophilayo, benze uphando kunye nomsebenzi wophuhliso ukuhlangabezana neemfuno zangoku zokusebenza komgca ophilayo, kwaye ugxininise kwixesha elizayo, uphando kunye nophuhliso lweenkqubo ezintsha zothumelo kunye nezixhobo zokusebenza zomgca ophilayo kwindawo yokuhanjiswa kokuphakama okuphezulu. , ukunciphisa umngcipheko wabaqhubi.


Ixesha lokuposa: Jul-11-2022