Nheyo yekushanda yekuparadzanisa switch - mutsauko pakati pekuparadzanisa switch uye wedunhu breaker

Kusumaisolate switch: Isolation switch ndechimwe chemidziyo yemagetsi inonyanya kushandiswa mune yakakwirira-voltage switching midziyo.Sezvinoratidzwa nezita racho, inofanirwa kuita basa rekuzviparadzanisa nedunhu.Yayo pachayo misimboti yekushanda uye chimiro chiri nyore, asi nekuda kwechido chikuru uye zvinodiwa zvakanyanya zvekugadzikana kwebasa, ine simba guru pakugadzira, kusikwa uye kushanda kwakachengeteka kwezviteshi uye zvidyarwa zvemagetsi.Chinhu chikuru chegedhi rekushandisa ndechekuti haina arc yekudzima kugona, uye inogona kungopatsanurwa uye kuvharwa pasi pechikonzero chekusatakura zvino.Isolation switch (inowanzozivikanwa se "banga chinja"), kazhinji inoreva yakakwira-voltage yekuzviparadzanisa switch, kureva, switch yekuzviparadzanisa ine yakayerwa ikozvino inodarika 1kV inowanzonzi yekuzviparadzanisa nevamwe, uye ndeimwe yeanonyanya kushandiswa. midziyo yemagetsi mune yakakwira-voltage switch midziyo.Nheyo yekushanda kwayo uye chimiro chiri nyore, asi nekuda kwechido chikuru uye zvinodiwa zvakanyanya zvekugadzikana kwebasa, zvine simba guru pakugadzira, kusika uye kushanda kwakachengeteka kwezviteshi nemagetsi emagetsi.Chinhu chikuru chekuchinja kwekuzviparadzanisa ndechekuti haina arc yekudzima kugona, uye inogona chete kuparadzanisa uye kuvhara dunhu pasi pechikonzero chekusatakura zvino.Isolation switches inoshandiswa kushandura kubatanidza dunhu kana nzira dzekuparadzanisa kana midziyo kubva kune magetsi.Iyo haina kukanganisa kugona uye inogona chete kubviswa kubva munzira nemimwe michina isati yashanda.Kazhinji ine chinokiyiwa kudzivirira misoperation yekuchinja pasi pemutoro, uye dzimwe nguva inofanirwa kutengeswa kudzivirira kuvhura switch pasi pekuita kwegineti huru ine mhosva.Nheyo yekushanda yekuchinja kwekuzviparadzanisa: Kazhinji, seti yekuzviparadzanisa inogadziriswa inoiswa kumberi uye kumashure mativi emutsigiri wedunhu, chinangwa ndechekuparadzanisa muparadzi wedunhu kubva kune magetsi, zvichikonzera pachena nzvimbo yekudimbura;sezvo iyo yepakutanga yedunhu inotyora kusarudzwa inoreva iyo oiri yedunhu breaker, iyo oiri yedunhu inotyora inofanirwa kuchengetedzwa nguva zhinji.Ikoko kune imwe nzvimbo yekusununguka kwepachena, iyo inobatsira kuchengetedza;kazhinji, iyo kabati yekubuda inopihwa simba kubva kumusoro bhasibha zvinoenderana nekuchinja kabati, uye wedunhu rinotyora rinofanira kuparadzaniswa kubva kune simba sosi, asi dzimwe nguva panogona kuve nekufona kuseri kwedunhu rinotyora, senge zvimwe zvishwe, capacitors, nezvimwe. midziyo, saka seti yekuparadzanisa switch inodiwa zvakare kuseri kwedunhu rinotyora.Kiyi yekuchinja kwekuzviparadzanisa ndeyekuchengetedza zvakavimbika zvikamu izvo zvinofanirwa kuvharwa uye zvikamu zvakasimbiswa zve-high-voltage magetsi ekugovera michina kuve nechokwadi chekuchengetedza basa rekugadzirisa.Mabatirwo eiyo yekuparadzanisa switch anooneswa ese kumhepo, uye nzvimbo yekubvisa iri pachena.Theisolate switchhaina arc yekudzima mudziyo uye haigone kushandiswa kukanganisa kurodha ikozvino kana pfupi-yedunhu ikozvino.Zvikasadaro, pasi pechiito chemagetsi akakwira, nzvimbo yekudimburira inoburitsa pachena kuparadzaniswa kwemagetsi, izvo zvakaoma kudzimwa zvakazvimirira, uye zvinogona kutokonzera arcing (hama kana interphase short circuit) uye kupisa midziyo, kuisa upenyu pangozi.Iyi ndiyo inonzi "load-pull disconnector" njodzi huru.Isolators inogona zvakare kushandiswa kushandura mashandiro mune mamwe maseketi kushandura nzira inoshanda sisitimu.Musiyano uripo pakati pekuparadzanisa switch uye wedunhu breaker: Circuit breakers High voltage circuit breaker uye low voltage circuit breaker mudziyo wekudzivirira wemagetsi une mhando chaiyo yearc yekudzima mudziyo.Zita rakazara remhepo inoshandura igasi yakaderera-voltage circuit breaker, iyo inonyanya kushandiswa mumasekete e-low-voltage.Nekuti inodzima arc yakavakirwa pagasi sechinhu, inonzi gasi yakaderera-voltage circuit breaker, kana air switch kwenguva pfupi, uye yedu kuvaka simba kugovera kumba kunonyanya kushandura mhepo.Isolation switch ndeye yakakwira-voltage switching yemagetsi mudziyo, inonyanya kushandiswa mumaseketi akakwira-voltage.Iyi switchgear isina arc yekudzima midziyo.Iyo kiyi inoshandiswa kubvisa redunhu pasina mutoro wazvino uye kupatsanura simba rekupa kuti ive nechokwadi chekuchengetedza kwakachengeteka kweimwe michina yemagetsi.Kana yakadzimwa, inogona kuvimbika zvichienderana neyakajairwa mutoro ikozvino uye pfupi-yedunhu kukanganisa ikozvino.Sezvo pasina yakakosha arc yekudzima midziyo yekudzima, mutoro wazvino uye pfupi-wedunhu simba haugone kubviswa.Naizvozvo, iyo yekuzviparadzanisa switch inogona kungoshandiswa chete kana muparadzi wedunhu akadzimwa, uye basa remutoro rinorambidzwa kudzivirira midziyo yakakomba uye tsaona dzekuchengetedza.Vashanduri vemagetsi chete, vanosunga uye vazere-mutoro vashanduri vane mafambiro emazuva ano asingapfuure 2A, uye ikozvino haipfuure 5A, shandisa zvigadziriso zvekuzviparadzanisa nevamwe kuti ushande zvakananga pasina-mutoro mitsetse.Circuit breaker and disconnect switches zvinofanirwa kushandiswa kune simba rakawanda, nema circuit breaker vachikanda kure kuremerwa (kukanganisa) kwazvino, nekubvisa maswichi achigadzira imwe nzvimbo yekudimbura.