Meleng ea tlhahiso ea matla, phetoho, phetisetso, kabo, le tšebeliso ea matla, maqhubu a teng a fapana haholo, ho tloha ho li-ampere tse seng kae ho isa ho tse mashome a likete tsa li-ampere. E le ho nolofatsa tekanyo, ts'ireletso le taolo, e hloka ho fetoloa hore e be hona joale e batlang e tšoana. Ho phaella moo, motlakase oa mohala ka kakaretso o batla o phahame, joalo ka tekanyo e tobileng e kotsi haholo. Transformer ea hona joale e phetha karolo ea phetoho ea hona joale le ho itšehla thajana ha motlakase.
Bakeng sa li-ammeters tsa mofuta oa pointer, motlakase oa bobeli oa transformer ea hona joale ke boholo ba ampere-level (e kang 5A, joalo-joalo). Bakeng sa lisebelisoa tsa digital, lets'oao la sampole hangata ke milliampere (0-5V, 4-20mA, joalo-joalo). Motlakase oa bobeli oa mochine o monyenyane oa hona joale ke milliampere, 'me haholo-holo o sebetsa e le borokho pakeng tsa transformer e kholo le sampling.
Li-transformer tsa hona joale tse nyane li boetse li bitsoa "lisebelisoa tsa hona joale tsa lisebelisoa". ("Sesebelisoa sa hajoale sa transformer" se na le moelelo oa hore sefetoleli se nepahetseng sa nako e ngata se sebelisoang ka laboratoring hangata se sebelisoa ho holisa mofuta oa sesebelisoa.)
Transformer ea hona joale e tšoana le transformer hape e sebetsa ho ea ka molao-motheo oa ho kenngoa ha motlakase. Transformer e fetola motlakase 'me transformer ea hona joale e fetola hona joale. Ho tsoelipana ha transformer ea hona joale e hokahantsoeng le hona joale e lekantsoeng (palo ea ho thinya ke N1) e bitsoa matsoelintsoeke a mantlha (kapa matsoelintsoeke a mantlha, matsoelintsoeke a mantlha); matsoelintsoeke (palo ea ho thinya ke N2) e hokahaneng le sesebelisoa sa ho metha e bitsoa matsoelintsoeke a bobeli (kapa matsoelintsoeke a bobeli) Matsoelintsoeke, matsoelintsoeke a bobeli).
Karo-karolelano ea hona joale pakeng tsa motlakase oa motlakase oa I1 oa motlakase oa hona joale le oa bobeli oa I2 o bitsoa tekanyo ea sebele ea hona joale K. Karo-karolelano ea hona joale ea transformer ea hona joale ha e sebetsa ka tekanyo ea hona joale e bitsoa "transformer" ea hona joale e lekantsoeng ka karolelano ea hona joale. e emeloa ke Kn.
Kn=I1n/I2n
Mosebetsi oa motlakase oa hona joale (CT) ke ho fetola motlakase o ka sehloohong o nang le boleng bo boholoanyane hore e be oa bobeli o nang le boleng bo fokolang ka tekanyo e itseng ea phetoho bakeng sa tšireletso, tekanyo le merero e meng. Ka mohlala, transformer ea hona joale e nang le tekanyo ea phetoho ea 400/5 e ka fetola nako ea sebele ea 400A ho ea hona joale ea 5A.
Nako ea poso: Dec-17-2021