Yuav ua li cas siv DC tswj fais fab mov kom raug?
Thawj kauj ruam yog los txuas lub hwj huam mov. Txuas cov khoom siv hluav taws xob tswj tau mus rau lub mains mov.
Cov zis hluav taws xob yuav tsum tau teeb tsa hauv qib peb. Txhawm rau ua kom tiav qhov teeb tsa hluav taws xob, tig qhov hluav taws xob teeb tsa pob qhov rooj ntawm lub voltmeter digital kom pom qhov xav tau qhov hluav taws xob pom. Ob txoj kev hloov kho muaj rau cov khoom siv hluav taws xob nrog cov kev txwv tam sim no, xws li PMC 18-2A, los hloov qhov voltage thiab tam sim no txwv, feem. Thaum koj kho, nco ntsoov ua qhov txawv. Feem ntau, cov lus "VOLTAGE" thiab "CURRENT" yog pom nyob rau hauv potentiometers uas tswj qhov voltage thiab tam sim no txwv, feem.PMC 18-2Ib tug muaj ib tug voltage hloov kho pob qhov rooj txij li thaum nws siv ib tug multi-turn potentiometer. Tus nqi qis ntxaib pob qhov rooj rau kev ntxhib / kev hloov kho zoo muaj nyob hauv ntau yam khoom nkag. Thaum ntsib nrog ob qhov kev hloov kho pob qhov rooj, peb tig lub pob qhov rooj sib hloov los tsim qhov kwv yees qhov hluav taws xob ua ntej, tom qab ntawd siv lub pob qhov hloov kho kom raug. Ua ntej, peb tig lub pob qhov rooj zoo mus rau qhov chaw nruab nrab.
Kev teeb tsa kev txwv tam sim no yog theem plaub. Ntawm lub hwj chim vaj huam sib luag, nias thiab tuav lub pob "Limit". Lub ammeter tam sim no yuav qhia tus nqi ntawm qhov txwv tam sim no. Kom tau txais tus nqi txwv tam sim no mus rau qib uas xav tau, tig lub pob qhov txwv tam sim no. Feem ntau, nws tuaj yeem tsim qhov txwv tam sim no ntawm 120% ntawm qhov siab tshaj plaws tam sim no uas nquag siv. Tej zaum yuav muaj hluav taws xob tsis muaj tus yuam sij tshwj xeeb rau kev kho qhov txwv tam sim no. Cov neeg siv yuav tsum ua raws li cov lus qhia kom luv-circuit qhov tso zis davhlau ya nyob twg. Tom qab ntawd, lawv yuav tsum tau kho cov theem txwv tam sim no raws li cov pob qhov txwv tam sim no thiab qhov luv-circuit tam sim no. Tsis muaj qhov sib piv cov pob qhov rooj lossis qhov kev txwv tam sim no ntawm qhov yooj yim adjustable tswj fais fab mov.
Teem lub overvoltage tiv thaiv (OVP) yog kauj ruam thib rau. Txhawm rau kom tsis txhob muaj lub zog hluav taws xob los ntawm kev tsim hluav taws xob ntau dhau thaum nws ua haujlwm tsis zoo, overvoltage teeb yog hais txog kev txwv ntxiv rau qhov txwv tsis pub muaj hluav taws xob nyob rau hauv lub hwj chim hloov qhov voltage ntau. Feem ntau, 120% ntawm qhov kev ua haujlwm siab tshaj plaws tuaj yeem siv los teeb tsa lub overvoltage. Lub recessed potentiometer nyob rau hauv lub vaj huam sib luag yuav tsum tau kho nrog ib tug tiaj tus ntsia hlau ntsia hlau los them rau overvoltage. Qhov kev tsim no kuj tsom kom tsis txhob muaj kev ua haujlwm tsis zoo. Txhawm rau txhim kho OVP qhov hluav taws xob ntawm PMC 18-2A, ua ntej teeb tsa qhov kev khiav hauj lwm voltage ntawm lub hwj chim mov mus rau qhov xav tau overvoltage point. Tom qab ntawd, maj mam kho OVP potentiometer kom ua tiav qhov kev tiv thaiv hluav taws xob xav tau.Lub sijhawm no, OVP teeb tsa tiav. Tom qab ntawd, tua lub hwj chim, txo qhov kev khiav hauj lwm voltage, thiab nws yuav ua hauj lwm ib txwm. Txhawm rau teeb tsa qhov ua haujlwm voltage, xa mus rau kauj ruam 3 saum toj no. Kev teeb tsa hluav taws xob sib txawv muaj ntau txoj hauv kev OVP. Piv txwv li, Kikusui PAK series cov khoom siv hluav taws xob muaj lub siab OVP qhov tseem ceeb. Nias lub OVP qhov tseem ceeb qhia txog qhov siab tshaj plaws voltage txwv. Cov neeg siv tuaj yeem tshawb xyuas qhov ntsuas qhov ntsuas hluav taws xob sai thiab kho qhov ntsuas qhov ntsuas siab. Rau qee cov khoom siv hluav taws xob nkag, tsis muaj OVP ua haujlwm. Shenzhen DC tswj fais fab mov nqi Qhov thib ob kauj ruam yog qhib lub hwj chim. Thaum tsis muaj kev sib txuas, nias qhov hloov pauv loj (lub zog) ntawm lub zog hluav taws xob, thiab tom qab ntawd tig rau DC tso zis hloov (tso tawm) ntawm lub zog hluav taws xob kom ua rau cov khoom siv hluav taws xob ua haujlwm ib txwm ua (qee qhov yooj yim kho tau cov khoom siv hluav taws xob tsuas yog muaj. lub ntsiab fais fab hloov thiab tsis muaj kev ywj pheej DC tso zis hloov). Lub sijhawm no, qhov tam sim no ua haujlwm voltage thiab cov zis tam sim no tau tshwm sim ntawm lub zog digital ntsuas ntsuas.
