Yuav ua li cas siv ib tug multimeter los xyuas cov submersible twj tso kua mis Circuit Court faults
Yuav ua li cas kho kab faults? Rau kev qhib circuits, peb tuaj yeem siv lub multimeter los kho qhov Fengming qhov chaw, uas yog qhov chaw diode los ntsuas qhov tsis kam ntawm txhua pawg coils. Feem ntau, qhov tseem ceeb tsis kam ntawm peb lub twj tso kua mis submersible yog nyob ze. Yog tias tsis muaj kev tiv thaiv nyob rau hauv ib qho ntawm qhov ntsuas Tus nqi kuj txhais tau hais tias lub kauj yog thaiv, uas yog, lub Circuit Court qhib.
Muaj lwm hom kev xau. Rau qhov ua txhaum no, peb yuav tsum siv megger. Lub megger muaj ob kab. Peb txuas ib qho mus rau ib pawg ntawm cov coils thiab lwm qhov rau cov ntawv hlau. Tom qab ntawd tig lub kov ntawm megger thiab pom. Cov kev taw qhia uas lub screen pointer swings. Yog tias tus taw tes hloov mus rau 500, nws txhais tau hais tias lub kauj tsis xau thiab nws zoo li qub. Yog hais tias nws hloov mus rau 0, nws txhais tau hais tias lub kauj yog to thiab yuav tsum tau kho.
Siv lub megger los ntsuas qhov tsis kam ntawm txhua qhov ntawm peb pawg ntawm cov coils thiab hauv av los txiav txim seb qhov zoo ntawm cov kab.
Tsis tas li ntawd, thaum nqa lub twj tso kua mis submersible tawm hauv dej, xyuas seb lub twj tso kua mis lub cev puas raug puas lawm. Puas yog lub sealing gasket puas lawm? Yog tias muaj teeb meem, nws yuav tsum tau hloov tam sim ntawd kom tsis txhob muaj kev puas tsuaj los ntawm cov dej nkag mus rau hauv lub twj tso kua mis tom qab muab tso rau hauv dej.
Yog tias koj tab tom tshuaj xyuas lub Circuit Court, pib nrog lub ntsiab Circuit Court, tom qab ntawd xyuas cov tswj Circuit Court, thiab ua kev saib xyuas raws li cov duab kos.
Yog hais tias koj xav mus xyuas qhov txhaum ntawm lub twj tso kua mis nws tus kheej, nws tsis txaus los tso siab rau ib tug multimeter. Lub multimeter tuaj yeem ntsuas qhov tsis kam ntawm lub twj tso kua mis lub cev muaj zog winding, tab sis vim tias qhov voltage ntawm lub multimeter nws tus kheej qis heev, nws tsis tuaj yeem ntsuas qhov tseeb seb qhov rwb thaiv tsev ntawm lub twj tso kua mis lub cev muaj zog puas tsim nyog. Rau cov twj submersible, rwb thaiv tsev puas yuav tsum yog ib qho txhaum.
Txhawm rau txheeb xyuas qhov rwb thaiv tsev ntawm lub cev muaj zog, qhov hluav taws xob qis megger nrog qhov ntsuas hluav taws xob ntawm 500 volts yog xav tau. Txuas ib kawg ntawm lub oscillator mus rau lub plhaub ntawm lub twj tso kua mis dej, thiab lwm qhov kawg rau peb windings ntawm lub cev muaj zog (qhov peb windings yuav tsum tau luv luv-circuited ua ntej). Tom qab ntawd, co tus kov ntawm lub oscillator ntawm qhov ceev ntawm 120 revolutions ib feeb. Yog tias qhov ntsuas yog tias tus nqi me dua li tus nqi ib txwm muaj, nws txhais tau hais tias lub cev muaj zog ntawm lub twj tso kua mis tau raug puas tsuaj thiab siv tsis tau lawm.
