Cov khoom siv hluav taws xob muaj hluav taws xob siab yuav tsum tau ua kom muaj rwb thaiv tsev zoo heev thaum lub sijhawm ua haujlwm, yog li cov kev sim rwb thaiv tsev yuav tsum tau nqa tawm txij thaum pib ntawm cov khoom siv ntau lawm.Cov kev ntsuam xyuas no suav nrog: Kev Ntsuas Cov Khoom Raw Hauv Cov Txheej Txheem Ntau Lawm, Kev Ntsuas Nruab Nrab Hauv Cov Txheej Txheem Ntau Lawm, Cov Khoom Muag Khoom Zoo thiab Kev Xeem Lub Hoobkas, Siv Cov Kev Ntsuas Ntawm Qhov Chaw, Thiab Kev Tiv Thaiv Kev Tiv Thaiv Kev Tiv Thaiv Kev Tiv Thaiv thiab Kev Ua Haujlwm Thaum Siv.Cov lus pov thawj ntawm cov khoom siv hluav taws xob thiab kev sim tiv thaiv yog ob qhov kev sim tseem ceeb tshaj plaws.Lub Tuam Txhab Tuam Txhab Tuam Txhab Tuam Txhab Hluav Taws Xob Kev Lag Luam Code thiab Lub Tebchaws Code: DL / T 596-1996 "Kev Tiv Thaiv Kev Ntsuas Cov Txheej Txheem Rau Cov Khoom Siv Hluav Taws Xob" Thiab GB 50150-91 "Cov Khoom Siv Hluav Taws Xob Hloov Cov Khoom Siv Hluav Taws Xob" Qhia Cov Ntsiab Lus Thiab Cov Lus Qhia Ntawm Txhua qhov kev sim.
2. Kev Tiv Thaiv Kev Tiv Thaiv Kev Tiv Thaiv
Kev tiv thaiv rwb thaiv tsev ntawm cov khoom siv hluav taws xob yog ib qho tseem ceeb ntsuas kom paub tseeb tias cov khoom siv ua haujlwm zoo.Tom qab Kev Xeem, Cov Txheej Txheem Kev Ruaj Ntseg ntawm Cov Khoom Siv tuaj yeem tuav tau, qhov phom sij ntawm cov rwb thaiv tsev tuaj yeem pom nyob rau lub sijhawm, thiab kev tiv thaiv tuaj yeem raug tshem tawm.Yog tias muaj teeb meem loj, nws yog qhov yuav tsum tau hloov cov khoom siv kom tsis txhob muaj kev puas tsuaj, xws li hluav taws xob poob lossis cov khoom puas tsuaj los ntawm kev puas tsuaj los ntawm rwb thaiv tsev thaum ua haujlwm.
Kev Tiv Thaiv Kev Tiv Thaiv Hluav Taws Xob tuaj yeem muab faib ua ob pawg: Ib qho yog kev sim tsis muaj kev puas tsuaj lossis kev sim rwb thaiv tsev yam ntxwv, uas yog hais txog ntau yam kev ntsuas ntsuas ntawm qhov hluav taws xob tsawg lossis los ntawm lwm txoj hauv kev uas yuav tsis ua rau lub rwb thaiv tsev, suav nrog ntsuas qhov ntsuas hluav taws xob tiv thaiv, cov dej ntws tam sim no, Dielectric poob tangent, thiab lwm yam Tom qab ntawd txiav txim seb lub rwb thaiv tsev puas muaj qhov tsis zoo.Cov kev sim tau pom tias txoj kev no siv tau, tab sis nws tsis tuaj yeem siv los txiav txim siab qhov hluav taws xob muaj zog ntawm lub rwb thaiv tsev.Lwm qhov yog Kev Ntsuas Kev Puas Tsuaj lossis Kev Ntsuas Siab.Qhov hluav taws xob siv rau hauv qhov kev xeem yog siab dua qhov kev khiav hauj lwm qhov hluav taws xob ntawm cov khoom siv, thiab cov kev xav tau rau kev ntsuas rwb thaiv tsev yog nruj heev.Tshwj xeeb, muaj kev pheej hmoo ntau dua ntawm kev nthuav tawm thiab sib sau ua ke tsis txaus, thiab kom ntseeg tau tias cov rwb thaiv tsev muaj qee qhov hluav taws xob muaj zog, suav nrog DC tiv thaiv hluav taws xob, kev sib txuas lus tiv thaiv hluav taws xob, thiab lwm yam. Qhov tsis zoo ntawm qhov ntsuas qhov ntsuas hluav taws xob yog qhov yuav ua rau qee yam. Kev puas tsuaj rau lub rwb thaiv tsev.
3. Kev Ntsuas Cov Khoom Siv Hluav Taws Xob
Txhawm rau ua kom tau raws li qhov xav tau ntawm Kev Siv Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob thiab Cov Khoom Siv Hluav Taws Xob Hloov, Thiab Txhawb Kev Tshaj Tawm thiab Kev Siv Cov Tshuab Tshiab Rau Cov Khoom Siv Hluav Taws Xob Hloov, Lub Tebchaws Standard GB 50150-91 "Cov Khoom Siv Hluav Taws Xob Hloov Cov Khoom Siv Hluav Taws Xob" tshwj xeeb qhia txog cov ntsiab lus Specifications ntawm ntau yam kev sim.Ntxiv rau qee qhov kev tiv thaiv kev tiv thaiv hluav taws xob, kev sim hloov khoom siv hluav taws xob kuj suav nrog lwm yam kev sim, xws li Transformer DC Resistance thiab Ratio Experiments, Circuit Breaker Loop Resistance Experiments, thiab lwm yam.
4. Lub hauv paus ntsiab lus ntawm kev tiv thaiv rwb thaiv tsev
4.1 Rwb thaiv tsev Resistance Test Rwb thaiv tsev Resistance Test yog cov khoom siv dav tshaj plaws thiab yooj yim tshaj plaws hauv cov khoom siv hluav taws xob rwb thaiv tsev.Tus nqi ntawm rwb thaiv tsev tiv thaiv tuaj yeem cuam tshuam qhov tsis zoo ntawm rwb thaiv tsev, xws li tag nrho cov av noo, kev sib kis, hnyav dhau thiab kev laus.Cov cuab yeej siv feem ntau siv rau Kev Ntsuas Cov Hluav Taws Xob Hluav Taws Xob yog Cov Hluav Taws Xob Hluav Taws Xob (Insulation Resistance Tester).
Insulation Resistance Testers (Isolation Resistance Testers) Feem ntau muaj hom xws li 100 Volts, 250 Volts, 500 Volts, 1000 Volts, 2500 Volts, Thiab 5000 Volts.Lub Rwb thaiv tsev Resistance Tester yuav tsum tau siv raws li DL / T596 "Kev Tiv Thaiv Cov Txheej Txheem Rau Cov Khoom Siv Hluav Taws Xob".
4.2 Kev Ntsuas Tam Sim No
Qhov Voltage ntawm General DC Insulation Resistance Tester yog qis dua 2.5KV, uas yog qis dua qhov ua haujlwm voltage ntawm qee yam khoom siv hluav taws xob.Yog tias koj xav tias qhov ntsuas qhov ntsuas hluav taws xob ntawm cov hluav taws xob tiv thaiv hluav taws xob tsawg dhau, koj tuaj yeem ntsuas qhov hluav taws xob tam sim no ntawm cov khoom siv hluav taws xob los ntawm kev ntxiv DC High Voltage.Cov khoom siv feem ntau siv rau kev ntsuas qhov dej ntws tam sim no suav nrog Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob thiab DC High-Voltage Generators.Thaum cov cuab yeej muaj qhov tsis zoo, cov dej ntws tawm tam sim no nyob rau hauv qhov hluav taws xob siab loj dua li qhov qis qis, qhov ntawd yog, qhov rwb thaiv tsev nyob rau hauv qhov hluav taws xob siab yog ntau me dua li qhov qis qis.
Tsis muaj qhov sib txawv ntawm qhov dej ntws tam sim no thiab rwb thaiv tsev tiv thaiv kev kho mob tiv thaiv hluav taws xob ntsuas ntsuas cov cuab yeej, tab sis qhov dej ntws tam sim no ntsuas muaj cov yam ntxwv hauv qab no:
(1) Qhov ntsuas hluav taws xob ntau dua li qhov ntsuas hluav taws xob tiv thaiv hluav taws xob.Qhov tsis zoo ntawm cov rwb thaiv tsev nws tus kheej tau yooj yim nthuav tawm, thiab qee qhov kev tsis sib haum xeeb tsis muaj qhov nkag tuaj yeem pom.
(2) Kev ntsuas qhov sib txuas ntawm cov hluav taws xob tam sim no thiab cov hluav taws xob siv hluav taws xob pab txhawm rau txheeb xyuas cov yam ntxwv ntawm cov hluav taws xob rwb thaiv tsev.
(3) Lub microampere siv rau kev ntsuas qhov ntsuas tam sim no yog qhov tseeb dua li qhov ntsuas ntsuas qhov ntsuas hluav taws xob.
4.3 DC tiv thaiv qhov ntsuas hluav taws xob
DC Withstand Voltage Test muaj siab dua
Kev sib txuas lus tiv thaiv hluav taws xob sim qee zaum ua rau qee qhov tsis muaj zog hauv rwb thaiv tsev tseem ceeb dua.Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau ua cov kev sim ntawm rwb thaiv tsev tsis kam, nqus tus nqi, cov dej ntws tam sim no thiab dielectric poob ua ntej qhov kev sim.Yog tias qhov ntsuas tau zoo txaus, kev sib txuas lus nrog qhov ntsuas hluav taws xob tuaj yeem ua tiav.Txwv tsis pub, Nws yuav tsum tau ua raws li lub sijhawm, thiab kev sib txuas lus tiv thaiv qhov ntsuas hluav taws xob yuav tsum tau ua tom qab txhua lub hom phiaj tsim nyog kom tsis txhob muaj kev puas tsuaj los ntawm rwb thaiv tsev.
4.5 Kev Ntsuas Ntawm Dielectric Loss Factor Tgδ
Lub Dielectric Loss Factor Tgδ yog ib qho ntawm Cov Hom Phiaj Tseem Ceeb uas cuam tshuam txog kev ua haujlwm rwb thaiv tsev.Lub Dielectric Loss Factor Tgδ Reflects Tus yam ntxwv Parameter ntawm rwb thaiv tsev poob.Nws tuaj yeem tshawb pom tag nrho cov rwb thaiv tsev ntawm cov khoom siv hluav taws xob cuam tshuam los ntawm kev ntub dej, degeneration, thiab deterioration, nrog rau cov teeb meem hauv zos ntawm cov khoom siv me me.
Sib piv Cov Kev Kho Mob Tsis Muaj Hluav Taws Xob Tester Rau Kev Tiv Thaiv Kev Tiv Thaiv Thiab Kev Ntsuas Tam Sim No, Lub Dielectric Loss Factor Tgδ Muaj Qhov Zoo Tshaj Plaws.Nws tsis muaj dab tsi ua nrog qhov ntsuas hluav taws xob, ntsuas qhov ntsuas qhov loj thiab lwm yam, thiab nws yooj yim dua rau kev paub qhov txawv ntawm qhov hloov hluav taws xob ntawm cov khoom siv hluav taws xob.Yog li ntawd, Dielectric Loss Factor Tgδ yog ib qho ntawm Cov Kev Ntsuas Tseem Ceeb tshaj plaws rau Kev Ntsuas Hluav Taws Xob Ntawm Cov Khoom Siv Hluav Taws Xob.
Lub Dielectric Loss Factor Tgδ tuaj yeem siv tau los nrhiav cov nram qab no rwb thaiv tsev tsis zoo:
(1) Cov dej noo;(2) Nkag mus rau qhov kev coj ua Channel;(3) Lub rwb thaiv tsev muaj cov npuas npuas dawb, thiab cov rwb thaiv tsev delaminates thiab plhaub;(4) Lub rwb thaiv tsev yog qias neeg, degenerated, thiab laus.
Kev Kho Mob Nrog Voltage Tester
Post lub sij hawm: Feb-06-2021
