Cov qauv, ua haujlwm hauv paus ntsiab lus thiab tus nqi ntawm clamp Ammeter
Thaum peb cov kws tsim hluav taws xob yuav tsum ntsuas qhov tam sim no yam tsis muaj kev cuam tshuam lub voj voog, lawv yuav tsum siv clamp Ammeter (qee zaum hu ua clamp meter, clamp meter). Clamp Ammeter yog ib yam khoom siv los ntsuas qhov tam sim no hauv kev khiav hluav taws xob hluav taws xob. Nws yog ib qho cuab yeej ntsuas rau cov neeg siv hluav taws xob. Clamp Ammeter muab faib ua clamp AC Ammeter thiab clamp AC / DC ammeter. Qee tus kuj tuaj yeem ntsuas AC voltage.
Cov qauv thiab kev ua haujlwm ntawm clamp Ammeter:
Clamp hom AC Ammeter yog qhov tseem ceeb ntawm kev hloov pauv tam sim no thiab cov cuab yeej rectifier. Qhov ntsuas tam sim no nqa tus neeg xyuas pib yog sib npaug rau qhov qub winding ntawm tam sim no transformer. Ntawm cov tub ntxhais hlau yog qhov thib ob winding ntawm tam sim no transformer, uas yog txuas nrog lub ntsuas rectifier. Raws li kev sib raug zoo ntawm cov thawj thiab theem nrab windings ntawm tam sim no transformer, lub rectifier ntsuas tuaj yeem tso saib tus nqi tam sim no ntawm kev ntsuas Circuit Court.
Lub clamp hom AC / DC meter yog ib qho khoom siv hluav taws xob, nrog rau qhov ntsuas tam sim no nqa cov xaim tso rau hauv lub clamp raws li lub coil excitation. Cov hlau nplaum sib nqus ua ib lub voj nyob rau hauv cov tub ntxhais hlau, thiab lub tshuab ntsuas electromagnetic nyob rau hauv nruab nrab ntawm qhov sib txawv hauv cov tub ntxhais hlau, uas yog deflected los ntawm cov hlau nplaum kom tau txais kev nyeem ntawv. Vim tias nws qhov deflection tsis cuam tshuam los ntawm kev ntsuas tam sim no, nws tuaj yeem ntsuas AC thiab DC tam sim no.
