Vamwe vatengi, pavanoshanyira fekitori, vanobvunza mubvunzo wekuti zvigadzirwa zvemota zvinogona kudzokororwa kuongororwa kwemagetsi anomira ne dielectric here. Mubvunzo uyu wakabvunzwawo nevazhinji vanoshandisa mota. Kuongororwa kwemagetsi anomira ne dielectric kuyedzwa kwekuona mashandiro emagetsi anomira ne dielectric panguva yekugadzira, pamwe nekuyedzwa kwechigadzirwa chemuchina wese. Chinodiwa pakuongorora zvinodiwa ndechekuti magetsi anomira ne dielectric haana kupatsanurwa pasi pemamiriro ezvinhu akatarwa.
Kuti ive nechokwadi chekuti mashandiro ekudzivirira injini anoenderana nezvinodiwa, pamusoro pekusarudza waya yemagetsi yakakodzera uye zvinhu zvinodzivirira kupisa, vimbiso dzekushanda dzakavimbika dzinodiwawo. Semuenzaniso, dziviriro panguva yekugadzirisa, zvishandiso zvakakodzera, michina yakanaka yekuisa mudumbu, uye zviyero zvekushanda zvakakodzera.
Tichitora mawinding emota dzine simba guru semuenzaniso, vagadziri vazhinji vemota vanoita bvunzo dzemagetsi dzinomira kutendeuka nekutendeuka uye dzemagetsi dzinomira pa coil yega yega. Vasati vaisa muchina, core ine mawindings nemuchina wese panguva yekuongorora vanozoongororwa nemagetsi anomira kutenderera. Izvi zvinotidzosera kukusava nechokwadi kwevatengi nezvenyaya yemagetsi anomira kutenderera.
Kutaura zvazviri, kuyedzwa kwemagetsi anomira nemagetsi (dielectric standing voltage testing) inzira inoparadza isingadzoreki. Ingave iri yekumonera kana ma coil ega ega, hazvikurudzirwi kuita bvunzo dzinodzokororwa, zvichidikanwa kutsvaga matambudziko senzira yekutanga. Muzviitiko zvakakosha apo bvunzo dzinodzokororwa dzinodiwa, voltage yekuyedzwa inofanira kuderedzwa zvichienderana nezvinodiwa zvakajairwa kuti kudzikamise kukuvara kweinsulation zvakanyanya sezvinobvira.
Nezve Dielectric Withstand Voltage Tester
Muchina wekuyedza magetsi unodzivirira dielectric mudziyo wekuyera simba remagetsi unodzivirira dielectric. Unogona kuyedza zviratidzo zvakasiyana-siyana zvekuchengetedza magetsi zvakaita semagetsi anodzivisa, magetsi anopwanyika, uye magetsi anobuda muzvinhu zvakaedzwa. Kuburikidza nemuchina wekuyedza magetsi unodzivirira dielectric, matambudziko anogona kuwanikwa uye kutevedzera mashandiro ekudzivirira kunogona kuonekwa.
● Tsvaga kugona kwekudzivirira kupisa kwemagetsi kuti kutsungirire magetsi ari kushanda kana kuti overvoltage.
● Tarisa mhando yekugadzirwa kwemidziyo yemagetsi inodziya kana kugadzirisa zvinhu.
● Bvisa kukuvara kwekudzivirira kunokonzerwa nezvinhu zvakagadzirwa, kugadziriswa, kana kutakurwa, uye deredza mwero wekukundikana kwezvigadzirwa nekukurumidza.
● Ongorora kuti kuchena kwemagetsi kwakanyatsoenderana here uye kuti denga rekudzivirira kupisa rakamira sei.
Nheyo dzekusarudza Dielectric Withhold Voltage Test Voltage
Nzira yakanakisisa yekuona voltage yekuedza ndeyekuisa zvinoenderana nezvinodiwa pakuedza. Kazhinji, voltage yekuedza inoiswa kaviri pane voltage yakayerwa pamwe ne1000V. Semuenzaniso, kana chigadzirwa chine voltage yakayerwa ye380V, voltage yekuedza ingave 2 x 380 + 1000 = 1760V. Ehe, voltage yekuedza inogonawo kusiyana zvichienderana nekirasi yekudzivirira uye mhando dzakasiyana dzezvigadzirwa dzine zvinodiwa zvevoltage zvakasiyana.
Sei zvichikosha kugara uchiongorora kuvimbika kwedunhu rekuyedza?
Ma "dielectric standing voltage testers" ari pamutsetse wekugadzira anoshandiswa kakawanda, kunyanya ma "test leads" uye ma "test fixtures" anowanzo famba, zvichiita kuti akwanise kutyoka waya yemukati uye kuvhurika kwematunhu, izvo zvinowanzova zvisiri nyore kuona. Kana paine "open circuit" chero kupi zvako mu "loop", "high voltage output" inoburitswa ne "dielectric standing voltage tester" haigone kushandiswa pachinhu chakaedzwa. Zvikonzero izvi zvinogona kukonzera kuti "set high voltage" isashandiswe pachinhu chakaedzwa panguva ye "dielectric standing strength testing", uye zvechokwadi, "current" inoyerera nepachinhu chakaedzwa ichave zero. Sezvo isingapfuure muganho wepamusoro wakaiswa ne "dielectric standing voltage tester", chishandiso ichi chinoratidza kuti "test" yacho yakakodzera, tichifunga kuti "insulation" yacho yakakodzera. Zvisinei, data re "test" munyaya iyi harisi rechokwadi. Kana chinhu chakaedzwa chikaitika kuti chine "insulation defects" panguva ino, zvichaita kuti pave nekutadza kufunga zvakanaka.
Nguva yekutumira: Ndira-16-2025