Yuav Siv Clamp Ammeter li cas los txiav txim lub cev muaj zog
Thaum manually xyuas lub cev muaj zog rau qhov tsis ua hauj lwm, feem ntau siv cov mem hluav los yog ib lub multimeter los xyuas. Tus sau qhia ntau txoj hauv kev los ntsuas qhov tsis muaj load tam sim no ntawm peb-theem asynchronous lub cev muaj zog nrog lub clamp ammeter txhawm rau nrhiav qhov tsis raug.
Piv txwv 1 Ib qho ore crusher nrog lub cev muaj zog ntawm 15kW. Tom qab lub cev muaj zog overhauled, nws khiav ib txwm tsis muaj load, tab sis nws yuav tsis tau loaded. Thaum lub load ntxiv, lub cev muaj zog yuav mus vim yog overload. Tom qab kev tshuaj xyuas, lub tshuab thiab lub zog hluav taws xob yog qhov qub. DC tsis kam ntawm lub cev muaj zog yog 2.4, 3.2 thiab 2.4 raws. Peb-theem tsis muaj load tam sim no ntsuas los ntawm clamp ammeter yog 9A, 5A thiab 8.8A feem. Nws tuaj yeem paub tseeb tias lub tshuab hluav taws xob yog faulty. Tshem lub hau kawg ntawm lub cev muaj zog thiab pom tias ib qho ntawm cov xov hlau ntawm ib theem winding tau loosened thiab solder tau yaj. Lub cev muaj zog yog qhov txhab nrog ob lub xov hlau sib luag, ib qho yog txiav thiab lwm qhov tseem txuas nrog, yog li lub torque raug txo, thiab nws tsuas yog tig tsis tau load, tab sis nws tsis tuaj yeem nqa lub nra.
Piv txwv 2 Muaj lub cev muaj zog nrog lub zog ntsuas ntawm 13kW. Lub kauj yog rewound thiab lub tshuab kuaj yog kuaj. Qhov ceev ntawm lub cev muaj zog yog qhov qub thaum nws khiav tsis muaj load. Qhov ntsuas hluav taws xob ntsuas hluav taws xob thiab qhov tsis kam ntawm txhua theem yog qhov qub, thiab qhov tsis muaj kev thauj khoom tam sim no ntawm peb theem yog qhov sib npaug thaum ntsuas nrog lub ntsuas ntsuas, tab sis cov nqi tam sim no yog tag nrho me me, yog li nws tau txiav txim siab tias qhov sib txuas winding. tsis yog lawm. Thaum lub hau kawg tau qhib, nws pom tias lub cev muaj zog nrog △ kev sib txuas tau ua yuam kev nrog Y kev sib txuas, uas ua rau lub zog khiav qis dhau los nqa lub nra, vim tias lub zog ntawm Y kev sib txuas yog ib feem peb ntawm △. kev sib txuas.
Piv txwv 3 Ib lub tshuab cuab yeej siv lub cev muaj zog 4kW. Tom qab lub hwj chim qhib, lub cev muaj zog tsis tig thiab tsuas yog hums. Tshem tawm cov xaim hluav taws xob, kuaj xyuas tias muaj hluav taws xob ntawm lub zog hluav taws xob, peb theem hluav taws xob kuj zoo li qub, DC tsis kam ntawm winding kuj sib npaug, cov rwb thaiv tsev tsim nyog, thiab lub tshuab tig tau zoo. Thaum kawg, siv lub clamp ammeter los ntsuas qhov tsis muaj kev thauj khoom tam sim no ntawm lub cev muaj zog ntawm sab qis ntawm qhov hloov. Yog li ntawd, muaj tam sim no nyob rau hauv ob theem thiab tsis muaj tam sim no nyob rau hauv ib theem. Qhia tias cov xaim raug thaiv hauv cov kav dej. Rub tawm cov hlau sab hauv ntawm cov yeeb nkab steel, thiab pom tias ib feem ntawm cov hlau tau tawg lawm, sib ntsib ib leeg zoo li ob lub ntsiab lus, thiab muaj cov hmoov dawb oxidized nyob rau hauv qhov kawg ntawm cov hlau. Qhov no yog vim muaj qhov nro ntau dhau thaum dhau los ntawm cov yeeb nkab, cov hlau yog thinned thiab elongated, thiab tam sim no yog rhuab thiab oxidized ntawm qhov chaw zoo li yuav tawg tau ntev. Lub sijhawm no, qhov hluav taws xob tseem tuaj yeem ntsuas ntawm cov hlau nyob, tab sis tam sim no tsis tuaj yeem hla.
