Isigwebo kunye nonyango lwe-breaker circuit "ukuvalwa kobuxoki"

Ukuba iumephuli wojikelezoivala ngokuzenzekelayo ngaphandle kokusebenza, yimpazamo "yokuvalwa kobuxoki".Ngokuqhelekileyo, kufuneka kugwetywe ngolu hlobo lulandelayo.Emva kokuhlolwa, kuqinisekisiwe ukuba umsebenzi awuvaliwe.Ukuba isiphatho sikwindawo “emva” kwaye isibane esibomvu sidanyaza ngokuqhubekayo, oko kubonisa ukubaumephuli wojikelezoivaliwe, kodwa "kukuvala okungalunganga".Kule meko, vula ifayileumephuli wojikelezo.

Nge "engalunganga"umephuli wojikelezo, ukuba i-breaker circuit ivuliwe kwaye emva koko "ingalunganga", kufuneka ikhutshwe kwi-fuse yokuvala, khangela izizathu zombane kunye nomatshini ngokulandelanayo, kwaye uqhagamshelane nokuthunyelwa ukumisa i-breaker circuit kwaye ujike ekugcinweni.Izizathu "zokungalingani" zinokubandakanya:

1. Amanqaku amabini afanelekileyo kunye ne-negative kwisekethe ye-DC agxininiswe ukwenza isiphaluka sokulawula ukuvala siqhagamshele.

I-2, i-othomathikhi yokuvala i-relay icandelo impazamo edibeneyo yokulawula i-loop (efana ne-relay yexesha langaphakathi ngokuqhelekileyo ivule uqhagamshelwano ngempazamo ivaliwe), ukuze i-breaker circuit ivaliwe.

I-3, ukuvala ukuxhatshazwa kwekhoyili ye-contactor kuncinci kakhulu, kwaye i-voltage yokuqala iphantsi, xa inkqubo ye-DC pulse isenzeka ngokukhawuleza, iya kubangela ukuba i-breaker circuit ivale ngempazamo.

Imeko "yokwenqaba ukuvala" iyenzeka ngokusisiseko kwinkqubo yokuvala kunye nokuvala.Ngokomzekelo, ukuba i-breaker circuit ye-standby power supply yenqaba ukuvala, ingozi iya kuba nzima.Inokwahlulwa ibe ngamanyathelo amathathu ukugqiba isizathu kunye nokunyangwa kwe-breaker circuit "rejection".

I-1) Khangela ukuba ukwala kwangaphambili ukuvala kubangelwa kukusebenza okungafanelekanga (njengokutshintsha kokulawula ukuvumela ukuhamba ngokukhawuleza), kwaye usebenzise utshintsho lokulawula ukudibanisa kwakhona.

2) Ukuba ukuvala akukaphumeleli, khangela zonke iinxalenye zesekethe yombane ukujonga ukuba kukho impazamo kwisiphaluka sombane.Khangela izinto ezi: ulawulo lokuvala unikezelo lwamandla luqhelekileyo;Ingaba i-fuse yesiphaluka yokulawula ukuvala kunye ne-fuse yesiphaluka yokuvala ikwimeko efanelekileyo;Ingaba umnxibelelwano wokuvala umnxibelelwano uyinto eqhelekileyo;Tshintshela iswitshi yolawulo kwindawo "yokuvala" ukuze ubone ukuba intshukumo yentsimbi yokuvala iyinto eqhelekileyo.

3) Ukuba isiphaluka sombane siqhelekile kwaye i-breaker circuit ayinakuvalwa, ibonisa ukuba kukho impazamo yomatshini.I-breaker circuit kufuneka imiswe kwaye ixelwe kwilungiselelo lokucwangcisa ukugcinwa kunye nonyango.