Residual Current Devices (RCDs) yog cov khoom siv kev nyab xeeb tseem ceeb uas tsim los tiv thaiv hluav taws xob thiab hluav taws kub nyhiab hauv kev teeb tsa hluav taws xob. Lawv saib xyuas qhov sib npaug ntawm cov hluav taws xob tam sim no nkag mus thiab tawm hauv Circuit Court, thiab yog tias lawv pom qhov sib txawv, lawv sai sai tshem tawm cov khoom siv hluav taws xob los tiv thaiv kev puas tsuaj. Muaj ob hom RCDs tseem ceeb: Hom A thiab Hom B, txhua tus muaj nws tus kheej tshwj xeeb thiab kev siv.
Hom A RCDs
Hom A RCDs yog hom ntau tshaj plaws thiab tsim los tiv thaiv AC sinusoidal, pulsating DC, thiab du DC residual tam sim no. Lawv tsim nyog siv nyob rau hauv feem ntau cov tsev nyob thiab kev lag luam ib puag ncig uas cov tshuab hluav taws xob yog qhov ncaj, thiab kev pheej hmoo ntawm kev ntsib cov tsis-sinusoidal lossis pulsating tam sim no tsawg.
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm Hom A RCDs yog lawv lub peev xwm los kuaj xyuas thiab teb rau cov khoom siv hluav taws xob DC, uas feem ntau tsim los ntawm cov khoom siv hluav taws xob xws li khoos phis tawj, TVs, thiab LED teeb pom kev zoo. Qhov no ua rau lawv zoo tagnrho rau kev siv hauv cov khoom siv hluav taws xob niaj hnub no uas cov cuab yeej siv tau dav dav.
Hom B RCDs
Hom B RCDs muaj kev tiv thaiv ntau dua piv rau Hom A. Ntxiv nrog rau kev muab kev tiv thaiv tiv thaiv AC sinusoidal, pulsating DC, thiab du DC residual tam sim no zoo li Hom A RCDs, lawv kuj muaj kev tiv thaiv cov dej ntshiab DC. Qhov no ua rau lawv tsim nyog rau kev siv nyob rau hauv ib puag ncig uas qhov kev pheej hmoo ntawm kev ntsib cov DC tam sim no siab dua, xws li hauv chaw tsim khoom, kev teeb tsa photovoltaic (hnub ci zog), thiab cov chaw nres tsheb fais fab.
Lub peev xwm ntawm Hom B RCDs txhawm rau txheeb xyuas thiab teb rau cov dej ntshiab DC seem yog qhov tseem ceeb hauv kev ua kom muaj kev nyab xeeb ntawm cov khoom siv hluav taws xob uas siv cov khoom siv hluav taws xob DC. Yog tias tsis muaj kev tiv thaiv no, muaj kev pheej hmoo ntawm hluav taws xob poob lossis hluav taws kub, tshwj xeeb tshaj yog nyob rau hauv cov tshuab uas tso siab rau DC lub zog, xws li cov hnub ci vaj huam sib luag thiab cov roj teeb cia.
Xaiv txoj cai RCD
Thaum xaiv RCD rau ib daim ntawv thov, nws yog ib qho tseem ceeb uas yuav tau xav txog cov kev cai tshwj xeeb thiab kev pheej hmoo cuam tshuam nrog kev teeb tsa. Hom A RCDs yog tsim rau feem ntau cov tsev nyob thiab kev lag luam kev teeb tsa uas muaj kev pheej hmoo ntawm kev ntsib cov tsis-sinusoidal lossis pulsating tam sim no tsawg. Txawm li cas los xij, nyob rau hauv ib puag ncig uas muaj kev pheej hmoo siab dua los ntsib cov dej ntshiab DC tam sim no, xws li hauv kev lag luam lossis hnub ci kev teeb tsa, Hom B RCDs raug pom zoo los muab kev tiv thaiv siab tshaj plaws.
Hom A thiab Hom B RCDs yog ob qho tib si kev nyab xeeb tseem ceeb tsim los tiv thaiv hluav taws xob poob siab thiab hluav taws kub nyhiab hauv kev teeb tsa hluav taws xob. Thaum Hom A RCDs tsim nyog rau feem ntau cov ntawv thov hauv tsev thiab kev lag luam, Hom B RCDs muaj kev tiv thaiv ntau dua thiab raug pom zoo rau cov cheeb tsam uas qhov kev pheej hmoo ntawm kev ntsib cov DC tam sim no siab dua.
Yog xav paub ntxiv txog qhov no, thov koj xav tiv tauj peb.
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Post lub sij hawm: Mar-25-2024
