Na ho na le pono e joalo ea hore "disconnector" ke boemo bo tlaase, 'me mochine oa potoloho ke boemo bo phahameng, moo ho sebelisoang sekoahelo ho sebelisoa, ho ka sebelisoa ho e-na le hoo?Khopolo ena e ka phehisana khang, empa li-disconnectors le li-circuit breakers li na le likopo tsa tsona.
Low voltage circuit breaker ke mochine o fetolang motlakase o ka khonang ho etsa, ho tsamaisa, le ho senya hona joale tlas'a maemo a tloaelehileng a potoloho, hape o ka etsa, oa jara le ho senya nako e itseng ka nako e itseng tlas'a maemo a sa tloaelehang joalo ka potoloho e khutšoanyane.Li-circuit breaker tse tlase li ka aroloa ka li-breaker circuit breaker (ACB), li-case circuit breakers (MCCB) le micro circuit breakers (MCB).The low voltage isolator switch o na le mosebetsi oa isolator le switjha.Pele ho tsohle, e na le mosebetsi oa ho itšehla thajana.Ka nako e ts'oanang, e ka kopanngoa, ea mamella le ho senya hona joale mojaro tlas'a maemo a tloaelehileng.Ka mantsoe a mang, switch ea isolator e na le mosebetsi oa ho itšehla thajana le ho switjha.
Mosebetsi oa ho itšehla thajana ke ho hakolla phepelo ea motlakase ea mohala oa motlakase kapa lisebelisoa tsa motlakase.Ka nako e ts'oanang, u ka bona ntlha e hlakileng ea ho khaola.The isolator e ke ke ea sireletsa mohala kapa thepa.Empa switch ha e hlile ha e na mosebetsi oa ho itšehla thajana, e na le mosebetsi oa ho bulela le ho tima mojaro oa hona joale, o ka mamella nako e itseng ea nako e khuts'oane ea potoloho.Mohlala, sesebelisoa sa semiconductor se ke ke sa sebelisoa e le motho ea itšehla thajana, hobane lisebelisoa tsa motlakase tsa semiconductor ha li khetholle 'meleng, ho feta litlhoko tsa ho lutla ha hona joale ho ka tlase ho 0.5mA, kahoo semiconductor ha ea lokela ho sebelisoa e le sesebelisoa. motho ea itšehlang thajana.
Ha e le hantle, ho na le dikopo tse ngata tsa switjha isolator, empa libakeng tse ling, tshebediso ya solator switjha e nkeloa sebaka ke mohatelli oa potoloho, haholo-holo tšimong ea sechaba, e seng feela hloleha ho meralo le kaho ho ya ka ditlhoko tsa. tlhaloso, empa hape e eketsa litšenyehelo tsa morero.Lisebelisoa tsa switjha ea ho hakolla ke tse latelang:
(1) Khabinete e kaholimo ea kabo ea mantlha e sirelelitsoe ke li-circuit breaker kapa fuse, 'me mokhoa oa phepelo ea motlakase oa mofuta oa radiation o amoheloa ho kena ka tlung.Ha ho na lekala bohareng ba mohala oa phepelo ea motlakase.Mochine o kenang oa cable ho khabinete ea kabo e lokela ho aroloa.
(2) Lisebelisoa tse arolang li lokela ho behoa potolohong e kholo ea lithapo tse peli tsa motlakase tse kenang mohloling oa motlakase oa habeli, 'me ho lokela ho sebelisoa li-switches tse khethehileng tsa ho itšehla thajana.
(3) hore na khabinete ea kabo ea motlakase e tlase e hloka ho hlongoa ka thoko e hloka tlhahlobo e khethehileng, haeba khabinete ea phepelo ea motlakase e tlase ke khabinete ea lithapo, u ke ke ua theha sesebelisoa sa ho itšehla thajana, hobane khabinete ea lithapo e ka ba potoloho. breaker le tse ling tse akaretsang ka ntle;Haeba khabinete ea kabo ea motlakase e tlase e le khabinete e tsitsitseng, ho tlameha ho kengoa sesebelisoa se khaohang kapa sekhechana sa potoloho se nang le ts'ebetso ea ho itšehla thajana se tlameha ho sebelisoa.
(4) Kakaretso ea mohala o kenang oa lebokose la lekala la cable e lokela ho amohela sesebelisoa se khethehileng sa ho khaola, 'me potoloho e' ngoe le e 'ngoe ea lekala e lokela ho amohela mochine oa ho khaola oa mofuta oa fuse kapa MCCB e nang le ts'ebetso e feletseng ea ho itšehla thajana.
Ka bokhutšoane, e le ho tsamaisa tlhokomelo, ho lekoa le ho lokisa lithapo tsa motlakase kapa lisebelisoa tsa motlakase, ho bohlokoa ho kenya mochine o khaohang sebakeng seo ho leng bonolo ho se sebetsa le ho se hlokomela habonolo.