Ibibazo byo kwipimisha

Ikizamini cyo kurwanya insulasiyo gikwiranye no gupima agaciro k’ibikoresho bitandukanye byifashishwa mu gukumira no guhinduranya insimburangingo, moteri, insinga n’ibikoresho by’amashanyarazi kugira ngo ibyo bikoresho, ibikoresho by’amashanyarazi n'imirongo bikore mu buryo busanzwe kandi birinde impanuka nko guhitanwa n’amashanyarazi abahitanwa n’ibikoresho byangiritse.

Ibibazo bisanzwe byo kwipimisha birwanya insuline nibi bikurikira:

1. Iyo upimye ubushobozi bwimitwaro irwanya, ni irihe sano riri hagati yumusaruro mugufi wumuzunguruko wogupima kwipimisha hamwe namakuru yapimwe, kandi kuki?

Ibisohoka bigufi-byumuzunguruko wibizamini byo kurwanya insulasiyo birashobora kwerekana imbaraga zimbere zumuriro mwinshi.

Ibintu byinshi bipimisha insulasiyo ni imitwaro yubushobozi, nkinsinga ndende, moteri ifite imirongo myinshi ihinduranya, transformateur, nibindi. Kubwibyo rero, mugihe ikintu cyapimwe gifite ubushobozi, mugitangira cyibizamini, isoko yumuriro mwinshi mumashanyarazi yipimisha irwanya insulation igomba kwishyuza ubushobozi bwa capacitori binyuze mukurwanya kwimbere, hanyuma buhoro buhoro bwishyuza voltage kumusaruro washyizwe hejuru nigiciro kinini cyumubyigano wikigereranyo.Niba ubushobozi bwa capacitance bwikintu cyapimwe ari bunini, cyangwa imbere imbere yumuriro mwinshi wa voltage nini, inzira yo kwishyuza izatwara igihe kirekire.

Uburebure bwabwo bushobora kugenwa nigicuruzwa cya R na C umutwaro (mumasegonda), ni ukuvuga t = R * C.

Kubwibyo, mugihe cyikizamini, umutwaro wa capacitif ukenera kwishyurwa kuri voltage yikizamini, kandi umuvuduko wo kwishyuza DV / DT uhwanye nikigereranyo cyo kwishyuza amashanyarazi I hamwe nubushobozi bwa C. Ibyo ni DV / dt = I / C.

Kubwibyo, ntoya irwanya imbere ni nini, nini nini yo kwishyuza ni, kandi byihuse kandi bihamye ibisubizo byikizamini ni.

2. Ni ubuhe butumwa bwa “g” iherezo ryibikoresho?Mubidukikije byikigereranyo cya voltage nini kandi irwanya cyane, kuki igikoresho gihujwe na "g"?

Impera ya "g" igikoresho nigikoresho cyo gukingira, gikoreshwa mugukuraho ingaruka zubushuhe numwanda mubidukikije byipimisha kubisubizo byo gupima.Iherezo rya "g" ryigikoresho ni ukuzenguruka umuyaga uva hejuru yikintu cyageragejwe, kugirango umuyaga utemba utanyuze mumuzingo wikizamini cyigikoresho, ukuraho ikosa ryatewe numuyoboro wamenetse.Mugihe cyo kugerageza agaciro gakomeye, G iherezo igomba gukoreshwa.

Muri rusange, g-terminal irashobora gutekerezwa mugihe irenze 10g.Ariko, iyi ntera yo kurwanya ntabwo yuzuye.Isukuye kandi yumye, kandi ingano yikintu igomba gupimwa ni nto, bityo irashobora guhagarara neza itapimye 500g kuri g-end;Mubidukikije bitose kandi byanduye, kurwanya hasi nabyo bikenera g terminal.By'umwihariko, niba bigaragaye ko ibisubizo bigoye guhagarara neza mugupima imbaraga nyinshi, g-terminal irashobora gutekerezwa.Byongeye kandi, twakagombye kumenya ko kurinda G gukingira G bitajyanye nurwego rwo gukingira, ahubwo bihujwe na insulator hagati ya L na E, cyangwa mumigozi myinshi, ntabwo bihujwe nizindi nsinga ziri kugeragezwa.

3. Ni ukubera iki ari ngombwa gupima gusa ukurwanya kwiza, ariko no kugereranya igipimo cyo kwinjiza hamwe nigipimo cya polarisiyasi mugupima insulasiyo?

PI ni indangagaciro ya polarisiyonike, bivuga kugereranya kurwanya insulation mu minota 10 niminota 1 mugihe cyo kwipimisha;

DAR ni igipimo cyo kwinjiza dielectric, bivuze kugereranya hagati yo kurwanya insulation mumunota umwe naho muri 15;

Mu kizamini cyo gukumira, agaciro ko kurwanya insulasiyo mugihe runaka ntigishobora kwerekana neza ubwiza bwimikorere yibikorwa byikizamini.Ibi biterwa nimpamvu ebyiri zikurikira: kuruhande rumwe, kurwanya insulasiyo yibikoresho bimwe byimikorere yibikoresho ni bito iyo ingano ari nini, kandi nini iyo ingano ari nto.Kurundi ruhande, hariho uburyo bwo kwinjiza ibintu hamwe na polarisiyasi mugukingira ibikoresho mugihe hakoreshejwe ingufu nyinshi.Kubwibyo rero, sisitemu yingufu isaba ko igipimo cyo kwinjiza (r60s kugeza r15s) hamwe nigipimo cyerekana polarisiyasi (r10min kugeza r1min) bigomba gupimwa mugupimisha insulasiyo ya transformateur nyamukuru, insinga, moteri nibindi bihe byinshi, kandi imiterere yimikorere irashobora kugenzurwa na aya makuru.

4. Ni ukubera iki bateri nyinshi zipima ibyuma bya elegitoroniki zipima ingufu zitanga ingufu za DC nyinshi?Ibi bishingiye ku ihame ryo guhindura DC.Nyuma yo kongera ingufu zumuzunguruko, imbaraga zo gutanga zitangwa hejuru zizamurwa hejuru ya voltage ya DC.Nubwo amashanyarazi menshi yabyaye ari menshi, imbaraga zisohoka ni nto (ingufu nkeya nuyoboro muto).

Icyitonderwa: nubwo imbaraga ari nto cyane, ntabwo byemewe gukoraho ikizamini, hazakomeza kubaho gutitira.