Raws li kev hloov pauv hauv cov kev tsis sib xws, cov yam ntxwv ntawm cov qauv, cov ntawv thov, thiab kev teeb tsa ib puag ncig, lub tshuab nqus tsev hloov pauv tam sim no tuaj yeem muab faib ua ntau chav kawm, feem ntau suav nrog cov hauv qab no:
(1) Muab faib los ntawm ib puag ncig kev teeb tsa: Cov no suav nrog hom sab hauv tsev thiab sab nraum zoov. Cov qeb sab nraum zoov tau muab faib ua ob chav loj: hauv av-mounted units thiab ncej-mounted keyboards.
(2) Muab faib los ntawm kev muaj peev xwm cuam tshuam tam sim no: qeb no suav nrog lub tshuab nqus tsev vacuum, lub tshuab nqus tsev hloov pauv, thiab lub tshuab nqus tsev contactors. Lub tshuab nqus tsev vacuum muaj lub peev xwm los cuam tshuam luv luv -circuit tam sim no ntawm lawv qhov chaw teeb tsa; Tam sim no, txawm tias qhov tsawg tshaj plaws - lub peev xwm ncej- mounted lub tshuab nqus tsev vacuum breakers feem ntau muaj qhov ntsuas luv luv - Circuit Court breaking tam sim no txog li 20 kA. Nqus load hloov thiab lub tshuab nqus tsev contactors, conversely, yog tsim los rau interrupting load tam sim no; lawv cov kev ntsuas tam sim no yog 630 A, txawm hais tias qee cov qauv yuav ncav cuag 800 A lossis 1250 A. Lawv lub peev xwm los cuam tshuam luv luv - cov tam sim no muaj kev txwv tsis pub dhau - feem ntau yog li ntawm 1000 A txog 2000 A -thiab yog li, hauv kev siv ua haujlwm sib cuam tshuam nrog, lawv yuav tsum muaj kev tiv thaiv kev tiv thaiv. luv-circuit tam sim no. Ib qho tshwj xeeb ntawm lub tshuab nqus tsev contactors yog lawv lub peev xwm los ua haujlwm nquag hloov (kaw thiab qhib) haujlwm. Yog li ntawd, ib qho kev teeb tsa zoo sib xws rau daim ntawv thov ntawm lub tshuab nqus tsev hloov pauv thiab lub tshuab nqus tsev contactors suav nrog kev sib txuas nrog tam sim no - txwv fuses.
(3) Muab faib los ntawm daim ntawv thov: Pawg no suav nrog kev faib tawm -chav nqus tsev vacuum breakers thiab generator-chav nqus tsev vacuum circuit breakers. Cov qub no suav nrog ntau hom qauv thiab cov kev qhia tshwj xeeb, nrog rau luv luv - Circuit Court breaking tam sim no nce mus txog 63 kA thiab cov ntsuas tam sim no nce mus txog 3150 A. Cov tom kawg -generator-chav nqus tsev vacuum Circuit Court breakers- tam sim no muaj kev tiv thaiv thiab kev txhim kho ntawm cov khoom siv hluav taws xob. 12-24 kV tshuab hluav taws xob; Txawm hais tias ntau qhov kev sib tw tseem ceeb tseem nyob hauv kev tshawb fawb, qhov siab tshaj plaws luv luv -circuit breaking tam sim no ua tiav rau hnub no sawv ntawm 80 kA.
(4) Muab faib los ntawm qib voltage: Cov qeb no suav nrog qis-voltage, nruab nrab-voltage, thiab siab-voltage nqus Circuit Court breakers. Ntawm cov no, nruab nrab -voltage nqus Circuit Court breakers yog siv nyob rau hauv lub hwj chim tis networks -tshwj xeeb, lawv sib raug rau cov hais saum toj no tis-chav tsev vacuum circuit breakers. Cov khoom siv no suav nrog feem ntau ntawm kev ua lag luam nyob rau hauv cov nqe lus ntawm ob qho tib si kom muaj nuj nqis thiab ntau yam, nrog cov ntsuas hluav taws xob feem ntau yog li ntawm 7.2 kV txog 40.5 kV. Tsawg-voltage thiab siab-voltage nqus Circuit Court breakers yog txuas ntxiv ntawm nruab nrab-voltage khoom kab. Tsawg-voltage lub tshuab nqus tsev Circuit Court breakers feem ntau yog cov yam ntxwv los ntawm lawv lub peev xwm los thaiv cov hluav taws xob arcs; Cov yam ntxwv no pab txhawb kev tawg thiab tiv thaiv hluav taws, ua rau lawv feem ntau haum rau siv hauv cov mines, tshuaj nroj tsuag, thiab ib puag ncig uas muaj plua plav, nplaim taws, lossis tawg, ntawm qhov voltage ntawm 660 V thiab hauv qab no.