Cov txheej txheem ntawm kev siv Clamp Ammeter los kuaj xyuas cov dej xau thiab hluav taws xob tub sab
Lub clamp ammeter yog ib qho cuab yeej muaj zog rau kev kuaj xyuas cov kab hluav taws xob qis los yog kuaj xyuas hluav taws xob.
Txiav txim seb puas muaj teeb meem nrog cov seem tam sim no ua haujlwm tiv thaiv nws tus kheej
Nyob rau ntawm lub transformer faib, disconnect lub fuse ntawm theem kab ntawm lub qhov hluav taws xob sab ntawm AC contactor uas tswj cov kab hluav taws xob tsawg. Yog tias cov khoom tiv thaiv seem uas tau ua haujlwm tam sim no tuaj yeem muab tso rau hauv kev ua haujlwm ib txwm nyob rau lub sijhawm no, nws ua pov thawj tias cov khoom tiv thaiv seem uas ua haujlwm tam sim no zoo. Tsis tas li ntawd, cov khoom siv tiv thaiv kev ua haujlwm uas seem nyob rau tam sim no yuav tsum tau kho dua thiab hloov.
Tshawb xyuas thiab txiav txim siab seb kab twg yog qhov xau
Nyob rau hauv lub transformer tis, disconnect lub nruab nrab hlau nyob rau hauv lub qhov hluav taws xob sab ntawm lub AC contactor uas tswj cov low-voltage kab, thiab tom qab ntawd nruab lub fuse core tshem tawm ntawm ib theem, ntsuas theem nrog ib tug clamp ammeter, thiab ntsuas qhov tam sim no. yog qhov xau tam sim no ntawm theem. Txhawm rau tiv thaiv qhov tshwm sim ntawm theem xaim hauv av ntawm txoj kab (xws li ib tus neeg siv txoj hauv kev ntawm ib kab ib qho chaw los nyiag hluav taws xob, thiab lwm yam) kom ua rau lub zog loj tam sim no ua rau lub ntsuas hluav taws xob puas, ua ntej muab lub clamp ammeter iav rau ntawm siab tam sim no iav thaum kuaj; Yog tias tus nqi kuaj pom me me, ces Hloov lub iav ntawm lub clamp ammeter rau mA iav rau kev kuaj pom.
Tom qab txiav txim siab txog theem kab nrog kev xau, txiav txim qhov chaw ntawm cov dej xau
Nyob rau ntawm lub transformer faib, ntsaws cov theem xaim mus rau hauv lub fuse core, disconnect lub nruab nrab hlau thiab lub fuses ntawm ob theem, thiab siv ib tug clamp ammeter los ntes cov nyob theem xaim los txiav txim qhov to. Nyob rau hauv cov ntaub ntawv ntawm low-voltage kab fais fab kis tau tus mob, lub clamp ammeter kuj yuav siv tau los xyuas cov low-voltage subscriber kab nyob rau hauv qhov xav tias ntau yam. Thaum kuaj, theem xaim thiab nruab nrab ntawm cov neeg siv ib-theem yuav tsum tau muab tso rau hauv lub puab tsaig ntawm lub clamp ammeter tib lub sijhawm, thiab peb theem xaim thiab nruab nrab ntawm peb-theem cov neeg siv yuav tsum tau muab tso rau hauv lub puab tsaig ntawm tib lub sijhawm. Yog tias tsis muaj qhov txhaum cai, lub clamp ammeter qhia tias xoom, txwv tsis pub nws tsis yog xoom.
Tshawb xyuas cov neeg siv cov kab hauv thiab cov khoom siv rau cov dej xau
Siv lub clamp ammeter los ntsuas qhov xau tam sim no ntawm tus neeg siv lub hwj chim inlet kab, thiab tib lub sij hawm muab tus neeg siv khoom siv hluav taws xob thiab lub teeb rau hauv thiab tawm ib qho los ntawm ib qho, thiab nrhiav cov khoom xau los ntawm kev kuaj xyuas qhov kev hloov pauv ntawm cov dej xau tam sim no. clamp ammeter. Yog tias tag nrho cov khoom siv tau zoo, lossis cov khoom siv nrog cov dej xau tau raug tshem tawm, tab sis lub clamp ammeter qhia tau hais tias tus neeg siv tseem muaj cov xau tam sim no, nws yuav yog cov kab hluav taws xob tsawg ntawm cov neeg siv tau xau, thiab nws yuav tsum tau ua raws li. mus rau qhov xwm txheej tshwj xeeb.
Cov teeb meem yuav tsum paub txog
1. Thaum tab tom nrhiav kev ua txhaum cai, AC contactor tswj cov kab hluav taws xob qis yuav tsum raug yuam kom xa hluav taws xob hauv lub sijhawm luv luv.
2. Ua tib zoo saib xyuas kev nyab xeeb thaum nrhiav kev ua txhaum cai. Ib tug neeg yuav tsum saib xyuas thiab ntsuas kev nyab xeeb. Thaum nyeem cov ntaub ntawv ntawm lub clamp ammeter, nco ntsoov khaws qhov kev ncua deb ntawm tib neeg lub cev thiab qhov chaw nyob.
3. High-order harmonics cuam tshuam nrog qee qhov seem ntawm cov khoom tiv thaiv tam sim no, uas yuav ua rau lawv ua haujlwm tsis zoo. Yog tias muaj cov neeg siv khoom sib haum xeeb loj xws li lub tshuab hluav taws xob nruab nrab ntawm qhov chaw nres tsheb, cov neeg siv yuav tsum raug tshem tawm ntawm kev ua haujlwm thaum tshawb pom.
4. Txoj kev no tshwj xeeb tshaj yog rau kev nrhiav "ib kab, ib qho chaw" cov tub sab hluav taws xob. Nws tus yam ntxwv yog hais tias lub clamp ammeter qhia tau hais tias ib tug loj to tam sim no, ncav cuag ntau pua milliamperes mus rau ob peb amperes. Cov neeg tsis paub txog hluav taws xob tuaj yeem tshawb xyuas raws li cov txheej txheem saum toj no, thiab cov neeg uas xav tias muaj hluav taws xob nyiag tuaj yeem mus ncaj qha rau lawv cov xaim hauv tsev los xyuas nrog lub clamp ammeter.
