Kev sib txuas

RST 25 tuaj yeem txuas nrog raws li hauv qab no hauv daim duab kos duab:
FlG1: Kev sib txuas ntawm cov relay ua ntej ua haujlwm.
Thaum lub relay txuas nrog raws li hauv daim duab 1, peb lub teeb daj LED L1, L2 thiab L3 teeb thaum lub hwj huam mov A1 theem L, A2 nruab nrab, thiab peb theem "L1," L2 "thiab" L3 "yog txuas zoo.
Yog tias tsis muaj overvoltage, theem tsis ua hauj lwm ntawm theem ib ntus, lub teeb ntsuab LED teeb, (terminals 11 thiab 14 raug kaw) thiab cov relay yog npaj txhij rau kev ua haujlwm.
FIG2: Kev sib txuas ntawm relay tom qab ua haujlwm.
Thaum lub relay txuas nrog raws li hauv daim duab 2, (lub hwj chim mov Al theem L, lub A2 nruab nrab yog zoo sib txuas) tom qab ua hauj lwm, peb theem "L1", "L2" thiab "L3" yog kev cob cog rua, thiab tsis muaj nyob rau hauv lub overvoltage, theem falure, theem ib theem zuj zus, lub ntsuab LED teeb (terminals 11 thiab
14 raug kaw) thiab cov relay yog npaj rau kev tuav tus kheej.
Nws kuj tseem tuaj yeem txuas cov khoom siv hluav taws xob tom qab ua haujlwm hauv FIG2.
Los ntawm ob qho tib si FIG's 1 thiab 2, lub davhlau ya nyob twg "PE" yuav tsum yog hauv av.

Undervoltage
Qhov xav tau undervoltage txwv tuaj yeem hloov kho mus rau -25% UN.

Overvoltage
Qhov xav tau overvoltage txwv tuaj yeem hloov kho mus txog +25% UN.

Asymmetry
Thaum kho dua-thiab undervoltage txwv, qhov txwv asymmetric kuj tau kho.

Sijhawm ncua
Lub sijhawm hloov pauv tuaj yeem hloov kho los ntawm potentiometer "Lub Sijhawm 'Delay" los ntawm 0.1….5 vib nas this. Nrog rau txoj haujlwm no nws tuaj yeem kho lub sijhawm rau kev txheeb xyuas qhov tsis ua haujlwm.

Contactor Tswj
Yog hais tias ib theem ua tsis tiav thaum lub sij hawm ua hauj lwm ntawm load los yog ib tug ntawm cov contactor los yog Circuit Court breaker yog tsis xws luag, (hu rau bounce los yog scorched hu), RST 25 paub qhov tsis ua hauj lwm, thiab kuj lub tswv yim voltage, thiab switches tawm nyob ntawm qhov chaw ntawm "Lub sij hawm ncua"
RST 25 tswj cov theem hloov. Yog tias muaj theem tsis ua haujlwm thaum lub sijhawm ua haujlwm lub kaum sab xis los ntawm kev tawm tswv yim voltage yog 30 ° thiab RST 25 lees paub qhov tsis ua haujlwm no.