Lub luag haujlwm ntawm voltage sensors
Kev ua haujlwm ntawm lub ntsuas hluav taws xob: Lub tshuab ntsuas hluav taws xob yog lub zog uas muaj peev xwm paub qhov ntsuas qhov ntsuas hluav taws xob thiab hloov mus rau qhov ntsuas kom siv tau. Hauv ntau qhov tsis siv neeg nrhiav thiab tswj cov kab ke, feem ntau nws yuav tsum tau taug qab thiab sib sau cov kev hloov pauv siab AC thiab DC cov ntsuas hluav taws xob, thiab ua qhov tsom xam spectrum ntawm ntau cov hluav taws xob hluav taws xob. Hom teeb liab no tej zaum yuav yog qhov ntsuas hluav taws xob siab, siab tam sim no thiab lwm yam muaj zog tam sim no, lossis nws yuav yog qhov hluav taws xob tsis muaj zog uas muaj lub zog ntim tsis zoo lossis lub teeb liab me me. Hauv cov xwm txheej no, nws yuav tsum siv lub ntsuas hluav taws xob kom tsim nyog txhawm rau txhawm rau ntsuas cov ntsuas hluav taws xob uas tsis tuaj yeem ntsuas ncaj qha lossis tsis sib thooj, yog li kom tau txais cov txheej txheem hluav taws xob, hluav taws xob hluav taws xob tsis ua haujlwm.
Rau kev ntsuas hluav taws xob AC ntsuas, qhov hloov pauv siv hluav taws xob siv hluav taws xob tau siv los ua qhov sib nkag siab, uas yog, hloov pauv siv hluav taws xob kom txo qhov ntsuas hluav taws xob mus rau qhov ntsuas hluav taws xob tsawg, thiab tom qab ntawd hloov mus rau DC hluav taws xob uas muaj txoj kab sib txuas nrog ntsuas voltage los ntawm kev sib thooj. Xa mus rau txoj kev tsim cov ntaub ntawv thiab cov hloov pauv A / D.
Thaum ntsuas qhov ntsuas hluav taws xob yog qhov ntsuas hluav taws xob DC, qhov ntsuas hluav taws xob-sib faib hluav taws xob tuaj yeem siv los ua qhov kev nkag siab, thiab cov nqi tiv thaiv txuas nrog nyob rau thaum uas tig mus ntawm ob qho kawg ntawm qhov ntsuas ntsuas yuav tsum muaj qhov loj txaus (feem ntau nws yuav tsum raug tswj kom haus qis dua 1/1000 ntawm cov ntsuas hluav taws xob ntawm lub ntsuas ntawm lub zog) Txhawm rau kom txo qis ntawm qhov poob los ntawm qhov ntsuas tam sim no ntawm qhov ntsuas tus nqi kom ntau li ntau tau, rau cov tshuab hluav taws xob qis, nws yuav tsum txog 10KΩ. Siv ib feem ntawm qhov hluav taws xob ntawm qhov ntsuas hluav taws xob ntawm qhov ntsuas hluav taws xob ntawm qhov kev tawm tsam raws li lub teeb liab thiab xa ncaj qha mus rau cov ntaub ntawv khaws cov ntaub ntawv thiab cov hloov pauv A / D.
