The the transmission line nzvimbo yekubatanidza inzvimbo huru isina simba yekushanda kwemukati. Mukushanda kazhinji kupisa kwakapisa, nokudaro zvichikonzera kudzimwa kwemagetsi. Ongororo yedambudziko rekudziya kwewaya yekubatanidza nzvimbo, uye kugamuchirwa panguva yakakodzera matanho ekudzivirira, zvinobudirira kudzivirira waya yekubatanidza poindi overheating. Izvi zvinokonzeresa kuti waya yekubatanidza nzvimbo inopisa ngozi. Ongorora zvikonzero zvekupisa kwewaya yekubatanidza nzvimbo, uye unzwisise hwaro hwe theoretical hwekukwira kwekushisa kwema-high-voltage mitsara. Panguva imwe, kugona kudzivirira uye kugadzirisa matanho ekugadzirisa dambudziko rekubatanidza nzvimbo yekudziya, kuve nechokwadi chekushanda kwakachengeteka uye kwakavimbika kwemutsara kune zvakakosha.
Situation imwe: kudengenyeka kwewaya mumhepo panguva yekushanda kunoita kuti bhoti yemidziyo irasikirwe uye inogadzira tembiricha yakakura.
Situation two: nekuda kweiyo nzira yekugadzira mutsara, kuisirwa kwetension-resistant line clip bolt torque haina kukwana uye nzvimbo yekubatana yezvikamu zvekubatanidza haina kusimba., zvichikonzera kusangana nekupokana kweiyo clip yemidziyo inowedzera, kugadzira kupisa chiitiko.
Mamiriro matatu: kushanda kwepamusoro-soro kwe high-voltage transmission lines, mushure menguva refu yekushanda, zvichiguma nekubatanidza zvikamu (kusanganisira mutsara clip joints, crimp joints, etc.) tembiricha yakakwira zvakanyanya kupfuura tembiricha yaro yekushanda.
Mitsetse yekufambisa ine tension tower wire diversion heat parts inowanzova nayo: kubatanidza diversion uye trench clamps, uchishandisa mabhaudhi akabatana kune tension line clamps, tension line kupisa muviri.
According to the “Application Guidelines for Infrared Diagnostic Techniques for Powered Equipment” (DL/T664-2016), nzira dzekutonga dzakakamurwa kuva marudzi makuru matanhatu.
Ⅰ pamusoro tembiricha yekutonga nzira.
Ⅱ hukama hwekushisa kusiyana kwekutonga nzira.
Ⅲ Nzira yekuenzanisa yekuenzanisa.
Ⅳ Nzira yekuenzanisa yekuenzanisa.
Ⅴ nzira yekuongorora yakazara.
Ⅵ chaiyo-nguva yekuongorora uye nzira yekutonga.
Kwezvino kupisa midziyo, kana mamiriro ekupisa kwechikamu chinopinda chemidziyo chinowanikwa chisina kujairika, tembiricha inofanira kuyerwa nemazvo maererano nekushanda kwakarurama kwe infrared thermometer, uye kukosha kwekusiyana kwekushisa kunofanirwa kuverengerwa kuti uone mamiriro echikanganiso chemidziyo.
Kusiyana kwekushisa kwakasiyana: musiyano wetembiricha pakati pezvipimo zviviri zvinoenderana uye chikamu chekukwira kwekushisa kwenzvimbo inopisa.
Kana tembiricha ichikwira kukosha kwenzvimbo inopisa isingasviki 10K, hazvina kukodzera kuti uone mamiriro ezvakaremara zvemidziyo maererano nezvinodiwa zveTafura 1. Nokuda kwechiyero chiduku chekutakura, tembiricha kukwira idiki asi hama tembiricha musiyano pakati midziyo. Kana pane mamiriro ekuchinja chiyero chemutoro, iyo mitoro yazvino inogona kuwedzerwa mushure mekuongororazve kuti uone mamiriro emidziyo kukanganisa. Kana kudzokorora kwakadaro kusingakwanisi, inogona kuiswa kwenguva pfupi sechinhu chakaremara, uye teerera kutarisisa.
Iko kushandiswa kweiyo infrared thermometer chromatographic imaging inogona kunyatso kucherechedzwa mukutsauka kwezvikamu zvisina kukwana uye tembiricha inoenderana.. Iyo yakanyanya kupisa tembiricha ye tambo inodzivirira kupisa inodzivirira kupisa zvikamu zve 127 ℃, yakajairika inopindirana poindi tembiricha ye 38 ℃, the Environmental reference body tembiricha ye 30 ℃, uye musiyano wetembiricha we 91.7%, chirema chikuru.
Tichifunga nezvekuti diversion heat fault inowanzoitika chete mukutsauswa kusingadzivirirwe kwechikamu., zvimwe zvikamu zviviri hazvina kuonekwa mumamiriro ezvinhu akadaro. Saka, mutsara unoshanda pasi pemutoro wakakura unongowedzera kuitika kwechikanganiso uye haisi iyo inonyanya kukonzera kupisa.. Kuburikidza nekuongorora kwe220kVxxx mutsara 51# danda C chikamu chekudziya zvikamu zvakaona kuti chikamu ichi chekutsauka kweiyo parallel trench line clip bolt inosunungura zvirema.. Mabhaudhi asina kusimba anotungamira kune trenching tambo dzewaya dzisingabatanidzwe nepamusoro pewaya, sezvo mutoro unowedzera pane kuwedzera kwakanyanya kwekushisa uye kunogadzira kutenderera kwakashata kwewaya clip defects yakawedzera.. Kuongororwa kwezvimwe zvigadziriso zvinogadzira kupisa kwakaona kuti kubatana hakuna kubatana kune honzeri huru yekutsausa kupisa..
Inokonzerwa nekusabatana kwakashata kwediversion connector inonyanya kukonzerwa: yakakomba oxidation yewaya uye zvigadziriso, basa remagetsi masimba, nzira dzokuvaka hadzina kuomesera, kuchembera kwechirimo 4, mamiriro ayo chaiwo ndeaya.
(1) mutsetse unomhanya kwenguva yakareba, nokuda kwemvura, chando, fog, magasi anokuvadza uye asidhi, alkali, munyu, uye kumwe kusvibiswa kweguruva kunoparadza uye kukukurwa, zvichikonzera kubatana kwegoridhe fixture connection oxidation, etc.
(2) iyo diversion line pachayo haisi pasi pekunetsekana, pasi pekuita kwemasimba emagetsi akadai semhepo kana vibration, pamwe chete ne periodic loading yemutsara uye periodic inochinja mu ambient tembiricha, kuitira kuti kubatana kuite zvishoma.
(3) Iyo yekuisa kuvaka haina kuomarara uye haina kusangana nezvinodiwa maitiro. Zvakadai sekubatana kwepamusoro pekubatanidza haisi yakachena oxidation layer uye imwe tsvina, mukuchengetedza, kuiswa kwekubatanidza hakuna kuwedzera spring washers, iyo nut tightening degree haina kukwana, kubatana hakuna kukotama, etc. ichaderedza kunaka kwekubatanidza. Zvisungo mukati metambo hazvina kuenzana nehupamhi hwenzvimbo yekuonana yakaderedzwa.
(4) kushanda kwenguva refu, kunokonzerwa nekukwegura kwechirimo, ichaitawo kuti kubatana kuregedze kubatana, zvichikonzera kupisa.
Tension-resistant tower's lead line yekudziya ndeyezvino-inokonzeresa kupisa mhedzisiro kukanganisa. Kana kondakita inotakura ikozvino iri kushanda, nekuda kwekuvapo kwekumwe kuramba, pane inosungirwa kuva chikamu chekurasikirwa kwesimba remagetsi, kuitira kuti tembiricha yeikozvino-inotakura conductor inokwira. Iyo inokonzeresa kupisa simba iP = Kf I2 R uko P ndiyo simba rekupisa (w). Ndini simba razvino (A). R ndiyo DC inopokana neyezvino-inotakura conductor (Oh). Kf ndiyo yakawedzera kurasikirwa coefficient, zvichiratidza kuti mu AC wedunhu uye ganda mhedzisiro uye pedo nemhedzisiro apo kupokana kunowedzera coefficient.
(1) ukuru hwekusangana kwekupikisa uye hukama pakati pekushisa, uye saizi yekusangana kuramba Rj inogona kuratidzwa neiyo empirical formula Rj = (K / Fn) × 10-3 formula, F ndiyo dzvinyiriro yekubata (Kg). k ndiyo coefficient ine hukama neiyo yekubata zvinhu uye yekubata kumeso chimiro, kutorwa pakati 0.07-0.1. n inotsamira pane yekuonana fomu ye index (mu 0.5–0.75). 0.75).
(2) Hukama pakati pekusangana kuramba Rj uye tembiricha Rj = Rjo (1 2/3 × a × t) Muchidimbu, Rjo ndiyo inopikisa kukosha (Oh) pa tembiricha ye 0 ° C. A ndiyo yekudzivirira tembiricha coefficient yesimbi yekusangana (I / ℃). T ndiyo tembiricha yekushandisa (℃).
Kuburikidza nekuongorora kuri pamusoro, kubatanidza kwakasiyana-siyana mumutsetse wekutumira pasi pemamiriro akanaka, kupikisa kwekusangana kwakaderera kudarika kupikisa kwezvikamu zvewaya zvakabatana, kurasikirwa kwechizvarwa chekupisa muzvikamu zvakabatana hakuzove kwakakwirira kudarika iri pedyo-inotakura conductor kupisa chizvarwa.. Chete kana kupikisa kwekusangana kusiri kwakajairika uye ikozvino inopfuura, zvinogadzira kuremara kwekudziya. Uye kupikisa kwekusangana kunosiyana nekupisa. Kana tembiricha yechikamu chekusangana inosvika 70 ℃ kana kupfuura, iyo metal oxidation inotanga kuve yakanyanya, uye chizvarwa cheoxidation chinoita kuti kupikisa kwekusangana kuwedzere nekukurumidza, kunyange kukonzera denderedzwa rakashata, uye chikamu chekusangana chichawedzera kupisa, zvichiguma nokuneta.
Kuderedza kupisa kweiyo lead yekubatanidza mudziyo, tinofanira kuderedza kupisa kwekugadzira simba. Maererano nemaitiro ekupisa simba, kuderedza simba rezvino uye kuderedza kupikisa kwekusangana kunogona kuwanikwa kuderedza simba rekupisa. Mutsara uko kukundikana kwezvino kunoitika mutsara wemutoro wepamusoro. Saka, kuderedza simba razvino hakusi nyore kuwana. Nzira iri nyore ndeyekudzikisa kuenzana kwekupikisa kwekudhirowa kwazvino.
Iko kushandiswa kwe equipotential operation nzira yekusimbisa mutsara clip bolt, nzira iyi inoshanda sezvo bhaudhi rakasununguka uye bhaudhi rakasimba nekuremara kwemoyo.
Kuiswa kwewaya shunt, nzira iyi inoshanda kune bhaudhi yekusimbisa nzira haigone kubata nekukanganisa uye inotungamira waya yekupisa muviri kuremara..
Kuongororwa kwenheyo: zvinoenderana neiyo huru nzira yekutsikirira-inodzivirira tower diversion line yekudziya yakasanganiswa nemusimboti weparallel circuit shunt., tora bazi idzva (waya shunt) mukufambirana. Iko kusangana kwekupokana kwebazi idzva newaya uye kushorwa kwebazi pachayo kudiki zvakanyanya pane kusangana nekupokana kwechikamu chekudziya kuitira kuti yakawanda yemutsetse iripo kuburikidza nebazi idzva iri rinowana kuderedzwa kweiyo ikozvino kuburikidza nekupisa chikamu., kuderedza kutonhora kwechikamu chekupisa.
Iyo yese seti yewaya shunts inonyanya kuve nezvikamu zviviri, maviri-waya connectors uye waya zvikamu (maererano nekudiwa chaiko kwekubvuta). Iyo wire yekubatanidza ndiyo huru midziyo yekuzadzisa kupfupika kwechikamu chekudziya, kuburikidza nechikamu chewaya kuti ubatanidze maviri-waya zvibatanidza.
Chekutanga, vashandi vepasi vanounganidza waya shunt, vashandi veshongwe vane tambo yekuchinjisa insulation kuenda kunzvimbo yebasa reshongwe, maitiro akanaka ekuchengetedza. Vashandi vepasi vane tambo yekufambisa uyezve insulated tsvimbo yekushandisa kune tower operator. Netsvimbo yekushanda panzvimbo, vashandi vepasi vane tambo yekufambisa yakasungwa waya shunt vakadhonzwa kubasa (shandira kutsauswa kwemigumo yezvisungo zvekukanganisa), inofanirwa kubhadhara zvakanyanya kune yakachengeteka chinhambwe. Vashandi veTower vanoshandisa kushanda kwetsvimbo yekushandisa, nenhengo dzepasi pemudonzvo wepakona kuita kuti chinongedzo uye mutsetse wekutsauka zvigadzirwe zvakasimba.
Kuisa waya shunt nemagetsi kunogona kukurumidza kugadzirisa dambudziko retension resistance diversion heat, asi inzira yekurapa kwenguva pfupi. Somugumisiro wekuiswa pasi pekushanda kwehupenyu, vashandi vanofanira kushandisa insulated kushanda tsvimbo, iyo inoderedza kusimba kwekubatana pakati petambo yekubatanidza uye tambo inotungamira. Mushure menguva yakareba yekushanda, iyo tambo yekubatanidza uye chikamu chekubatanidza chetambo inotungamira ichave yakasununguka, iyo wire shunt haigone kuve yakajairika kune yazvino mutoro weiyo lead wire shunt, izvo zvichaita kuti chikamu chekupisa chidziye zvakare. Zvinokurudzirwa kuti mutsara une mukana wekudzima, kurapwa kwechigarire kwezvikamu zvekupisa. Simbisa iyo yekutarisa uye infrared tembiricha kuyerwa kweshongwe uko conductor shunt yakaiswa., kunyanya mumitoro yepamusoro mamiriro emutsara.
Sezvo simba rinovandudzwa richiramba richiwedzera simba, its future will be shaped not just by…
I. Nhanganyaya Munyika yakatarisana nematambudziko maviri ekushanduka kwemamiriro ekunze uye kupera kwezviwanikwa,…
3. Maitiro Ekusarudza Cable Yakakodzera Yekurima Zvikumbiro 3.1 Select Cable Type Based…
Inosundwa nemafungu epasi rose ezvekurima zvechizvino-zvino, agricultural production is rapidly transforming from traditional…
Sezvo iyo Global Indasitiri Indasitiri inoramba ichiwedzera, mining cables have emerged as the critical…
Nhanganyaya: The Importance of Electrical Engineering and the Role of ZMS Cable Electrical engineering, as…