A muputsi wedunhuiswichi inogona kubatanidza nekudzima circuit. Zvichienderana nemabasa ayo akasiyana, inogona kukamurwa kuita ma air circuit breakers uye gas-insulated metal-enclosed switchgear (GIS).
Zvakanakira zvecircuit breaker: chimiro chiri nyore, mutengo wakachipa, zvinogona kuvandudza zvikuru kunaka kwekuvaka kweprojekiti; kugona kukuru kwekutyoka, kugona kwakasimba kwekuremerwa, kubatana kusingawanzoitiki uye kutyoka kwetambo; basa rekudzivirira rakakwana, rinogona kudzima circuit nekukurumidza munguva pfupi.
Zvakaipa zvemacircuit breaker: kupisa kukuru uye chiedza che arc chakakwira zvinogadzirwa panguva yeshort circuit; mashandiro anowanzoitika haagone kuitwa; nguva yakakwana inodiwa kuti simbi iri mufuse idzokere panzvimbo yekunyunguduka.
Kanamuputsi wedunhukana yashandurwa kubva pakuchinja kwemhepo kuenda kuGIS, mitemo inotevera inofanira kuzadzikiswa:
1) Chinopwanya dunhu chinofanira kunge chakanyatsogadzikwa panguva yekuisa nekushandisa;
2) Kudzivirira kwakanaka kunofanira kuchengetedzwa pakati peGIS switchgear nepasi;
3) Nzvimbo yekuisa inofanira kunge iine nzira dzakanaka dzekubvisa mvura.
Basa
A muputsi wedunhuswitch inoshandiswa kubatidza nekudzima circuit, uye kazhinji ine basa rekubatidza nekudzima circuit, uye ine mabasa akadai sekudzivirira circuit pfupi uye kudzivirira overload. Panguva imwe chete, kugona kwayo kutyoka kwakasimba kwazvo, uye inogona kukurumidza kudzima circuit munguva pfupi.
1. Semudziyo wekuparadzira simba une voltage shoma, circuit breaker ine basa rekudzivirira circuit kubva pakuzara, short circuit uye undervoltage.
2. Circuit breaker ine mabhenefiti ekugona kudzima magetsi nekukurumidza; inewo basa rekudzivirira magetsi mapfupi emagetsi ekupwanyika kwechikamu chimwe chete.
3. Semudziyo wekuparadzira simba une voltage shoma, circuit breaker inogona kuvhara kana kubvisa circuit yemagetsi akajairika anoshanda mukati menguva yakatarwa; inogona kuramba ichipa simba kutambo pasina kukanganisa, uye inogonawo kushandiswa semota stator insulation uye circuit kana zvichidikanwa. Maseketi ekubatsira emidziyo yakasiyana-siyana yemagetsi.
Isa
1. Usati waisa, tarisa kuti circuit breaker inotaridzika sei kana isina kutsemuka, wobva wavhura cover yekupedzisira yecircuit breaker, wobva watarisa chitupa chezita nenameplate iri pakavha yekupedzisira. Tarisa zvichienderana nemuenzaniso wakataurwa mubhuku remashandisirwo echigadzirwa.
2. Kuiswa kwecircuit breaker kunofanirwa kusangana nezvinodiwa zvedhizaini, uye kunofanirwa kuenderana nenzvimbo yekuisa mimwe michina yemagetsi pane panel yekugovera magetsi kana mudziyo wekugovera magetsi. Hazvibvumirwi kuisa kana kupfuura pedyo nemimwe michina yemagetsi nemidziyo (maswichi).
3. Circuit breaker nezvimwe zvinoshandiswa zvinofanira kunge zvakagadzikwa zvakanaka. Pakugadzikwa kwewaya dzine mativi akawanda, soketi yepamusoro netambo dzinodzivirira tambo zvinofanirawo kunge zvakagadzikwa zvakanaka.
4. Muchina wekushanda unofanirwa kuongororwa mutoro usati wabviswa kuti uve nechokwadi chekuti mashandiro awo anochinjika uye akavimbika usati wabviswa. Tarisa kana waya dzacho dzakarurama usati wabviswa, zvikasadaro hadzigone kubviswa pasina kutarisirwa.
5. Kana circuit breaker yaiswa mubhokisi resimbi, mabhoti ekubatanidza ari mubhokisi haabvumirwe kusunungura; kubatana pakati pemabhoti ekugadzirisa bhokisi neshinda kunofanira kuva kwakavimbika; nzungu dzekugadzirisa dzinofanira kunge dziri screws dzinodzivisa kusunungura; maburi escrews anofanira kuboorwa nekanika;
Dzivirira
Kana sisitimu ikakundikana, senge mota yakawandisa, short circuit, nezvimwewo, tsaona huru nemigumisiro yakakomba zvinogona kudzivirirwa, izvo zvinoda kushandiswa kwemacircuit breaker kudzivirira michina yemagetsi kana macircuit kubva mukukuvadzwa. Zvisinei, circuit breaker haigone "kunyatso gadzirisa". Mune zvimwe zviitiko, kugadzirisa kwakati kuchiri kudiwa.
1. Kana paine kutenderera kwemhepo kwakanyanya panguva yekushanda kwecircuit breaker, tarisa kana mimwe midziyo yemagetsi iri kushanda zvakanaka;
2. Tarisa mashandiro emudziyo wekudzivirira kubuda kwemvura, uye unofanira kushanda mumamiriro ezvinhu akajairika ekushanda;
3. Kana mashandiro emagetsi akakundikana, tarisa kubatana kuripo pakati pemagetsi anoshanda necircuit breaker;
4. Kana paine zvikanganiso zve "short-circuit" mu "line", magetsi anofanira kubviswa;
5. Nekuda kwekukwegura kwemukati memuchina wekupwanya dunhu mushure mekushanda kwenguva refu. Nokudaro, muchina wekupwanya dunhu unofanirwa kugara uchichengetwa.
Zvekungwaririra
1. Nzira yekushanda inofanira kuva yakavimbika kudzivirira tsaona. Panofanira kuva nezviratidzo zvakajeka uye zviito zvekushanda kwechikamu chimwe nechimwe muhurongwa, uye zvikanganiso zvinofanira kudzivirirwa.
2. Kana circuit breaker iri kushanda, kunyangwe mubato wayo uri muchimiro chekugumburwa, arcing inogona kuramba ichiitika mu contacts kana mu opening neclosing circuits. Kungwarira kunofanira kuitwa kudzivirira kusashanda zvakanaka panguva yekushanda.
3. Kana circuit breaker ichishanda (kunyanya kana ichicheka magetsi makuru), haigone kudhonzwa nechisimba, kuitira kuti isakuvadze zvikamu zvemagetsi.
4. Circuit breaker inofanira kugara ichitarisa mamiriro ekuvhura nekuvhara kwayo kudzivirira zvikanganiso zve overvoltage kana undervoltage.
5. Kana paine dambudziko, edza kutanga wadzorera simba remagetsi rakamiswa.
Nguva yekutumira: Kukadzi-16-2023