High-Voltage Electrical Equipment Must Maintain Excellent Insulation During Operation, So A Series Of Insulation Experiments Should Be Carried Out From The Beginning Of Equipment Production. Cov kev ntsuam xyuas no suav nrog: Cov ntaub ntawv ntsuas raw hauv cov txheej txheem ntau lawm, cov khoom lag luam zoo thiab kev tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv thiab ua haujlwm thaum siv. Cov lus pov thawj ntawm cov khoom siv hluav taws xob thiab tiv thaiv kev sim kom tiv thaiv yog ob txoj kev sim tseem ceeb tshaj plaws. Cov neeg lub koom pheej kev lag luam hluav taws xob thiab cov txheej txheem ntsuas hluav taws xob rau cov khoom siv fais fab thiab cov ntsiab lus ntawm txhua qhov kev sim.
2. Rwb Tiv Thaiv Cov Tiv Thaiv Kev Ntsuas
Kev tiv thaiv hluav taws xob rwb thaiv tsev ntawm cov khoom siv hluav taws xob yog qhov tseem ceeb tshaj plaws kom ntseeg tau tias ua haujlwm nyab xeeb. Tom qab kuaj, lub rwb thaiv tsev cov txheej txheem ntawm cov khoom siv tuaj yeem nkag tau, qhov phom sij hauv 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 tsim nyog los hloov cov khoom siv kom tsis muaj kev puas tsuaj los ntawm kev poob qis lossis cov khoom siv puas tsuaj los ntawm kev ua haujlwm.
Rwb thaiv tsev tiv thaiv kev sim tuaj yeem faib ua ob pawg: uas yog hais txog cov kev tiv thaiv ntau lossis lwm cov rwb thaiv tsev, suav nrog rastring rwb thaiv tsev, tam sim no, Dielectric poob Tangent, thiab lwm yam Tom qab ntawd txiav txim siab seb cov rwb thaiv tsev muaj qhov tsis txaus ntseeg. Cov kev sim tau qhia tias hom no yog qhov muaj txiaj ntsig, tab sis nws tsis tuaj yeem siv los ntseeg tau txiav txim siab txog lub zog hluav taws xob ntawm lub rwb thaiv tsev. Lwm tus yog kev sim ua kom muaj kev puas tsuaj lossis kev sim siab. Qhov hluav taws xob thov hauv qhov kev sim siab yog siab dua li cov kev ua haujlwm ntawm cov khoom siv, thiab cov cai yuav tsum tau nruj heev. Tshwj xeeb, muaj kev phom sij ntau ntxiv thiab sib sau ua ke, suav nrog cov kev sib txuas lus muaj zog, suav nrog cov khoom siv hluav taws xob, suav nrog cov hluav taws xob feem ntau yog tias nws yuav ua rau qee qhov Kev puas tsuaj rau lub rwb thaiv tsev.
3. Cov Khoom Siv Hluav Taws Xob Cov Khoom Siv Hluav Taws Xob
Txhawm rau kom tau raws li qhov xav tau ntawm hluav taws xob kev teeb tsa thiab siv cov khoom siv hluav taws xob, thiab txhawb nqa cov khoom siv hluav taws xob kev sim cov ntsiab lus "tshwj xeeb qhia cov ntsiab lus thiab Cov lus qhia tshwj xeeb ntawm ntau yam kev sim. Ntxiv rau qee cov rwb thaiv tsev tiv thaiv kev sim, kev sim hluav taws xob kuj muaj xws li sim cov kev sim, hluav taws xob kev sim, thiab lwm yam.
4. Lub ntsiab cai tseem ceeb ntawm rwb thaiv kev tiv thaiv kev sim
4.1 Rwb thaiv tawm tsis kam ntsuas cov khoom siv tsis tiv thaiv yog qhov khoom siv yooj yim tshaj plaws thiab cov khoom siv yooj yim tshaj plaws hauv cov khoom siv hluav taws xob. Tus nqi ntawm rwb thaiv tsev tsis kam muaj peev xwm cuam tshuam rau qhov tsis txaus ntseeg ntawm rwb thaiv tsev, xws li tag nrho cov av noo, paug, loj heev. Qhov feem ntau siv ntsuas rau kev sim cov rwb thaiv tsev rwb thaiv tsev tsis kam yog ib tus rwb thaiv tsev tsis kam sim tester).
Rwb thaiv tsev tiv thaiv cov tub rog (kev ntsuas cov neeg tiv thaiv feem ntau muaj 100 volts, 500 volts, 1000 volts, thiab 5000 volts. Lub rwb thaiv tsev tiv thaiv cov tub luam yuav tsum siv raws li DL / T596 "kev tiv thaiv kev sim rau cov cuab yeej siv fais fab".
4.2 Take Tam Sim No Sim
Qhov hluav taws xob ntawm cov dav dav DC rwb thaiv tsev rwb thaiv tsev tsis kam tester yog qis dua 2.5kv, uas yog qhov qis dua li qhov ua haujlwm voltage ntawm qee cov khoom siv hluav taws xob. Yog tias koj xav tias ntsuas ntsuas hluav taws xob ntawm cov rwb thaiv tsev tiv thaiv tsis tshua muaj tes dag, koj tuaj yeem ntsuas cov khoom siv hluav taws xob los ntawm kev ntxiv DC kev ntsuas hluav taws xob ntau. Cov cuab yeej siv ntau zaus rau kev ntsuas toolnage tam sim no suav nrog high-voltage transformite transformitimente transformitimente transformic generators. Thaum cov khoom siv tsis txaus ntseeg, cov xau dej tam sim no nyob rau hauv cov hluav taws xob ntau dua uas tsis tshua muaj hluav taws xob feem ntau yog qhov me dua li qhov hluav taws xob tsawg.
Nws tsis muaj ntau qhov todnage tam sim no thiab rwb thaiv tsev tsis kam ntawm kev kho mob ntsuas cov khoom siv, tab sis cov kev ntsuas xau tam sim no muaj cov yam ntxwv hauv qab no:
(1) Cov kev sim voltage yog ntau dua li ntawm lub rwb thaiv tsev tsis kam kuaj. Tus tsis ua haujlwm ntawm lub rwb thaiv tsev nws tus kheej yog yooj yim nthuav tawm, thiab qee qhov kev sib hloov tsis muaj kev nkag mus nrhiav tau.
(2) Ntsuas kev sib txuas ntawm cov to taub dej tam sim no thiab cov ntawv siv voltage pab los soj ntsuam cov hom rwb thaiv cev tsis xws luag.
(3) Cov microopere uas siv rau kev ntsuas xau tam sim no yog qhov tseeb dua li cov rwb thaiv tsev tsis kam kuaj.
4.3 DC wall withstand voltage kuaj
DC withstand voltage kuaj tau siab dua
Kev sib txuas lus nrog kev sim voltage ua rau qee qhov tsis muaj zog hauv rwb thaiv tsev ntau dua. Yog li ntawd, nws yog qhov yuav tsum tau sim ua kev sim ntawm rwb thaiv tsev tsis kam, nqus tus nqi, xau tam sim no thiab dienectric poob ua ntej kev sim. Yog tias qhov kev xeem ua tau zoo txaus siab, kev sib txuas lus nrog voltage voltage tuaj yeem nqa tawm. Txwv tsis pub, nws yuav tsum tau hais txog nyob rau hauv lub sijhawm, thiab kev sib txuas lus nrog voltage ntsuas yuav tsum tau nqa tawm tom qab txhua lub hom phiaj tsim nyog kom tsis txhob muaj kev puas tsuaj rwb thaiv tsev.
4.5 Kuaj cov dielectric poob peev tgΔ
Kev ua dityectric poob Factor TgΔ yog ib qho ntawm cov phiaj xwm tseem ceeb xav txog kev ua haujlwm rwb thaiv tsev. Qhov dielectric poob Factor tgδ qhia txog tus yam ntxwv tsis sib xws ntawm rwb thaiv tsev poob. Nws tuaj yeem pom cov rwb thaiv tsev tag nrho cov khoom siv hluav taws xob cuam tshuam los ntawm ntub cov hluav taws xob, degeneration, thiab tsis zoo rau cov khoom nruab nrab ntawm cov khoom me me.
Piv kev kho mob tiv thaiv kev siv hluav taws xob mus rau rwb thaiv tsev tsis kam thiab toielectric poob tseeb. Nws tsis muaj ib yam dab tsi ua rau qhov kev xeem voltage, kuaj cov qauv loj thiab lwm yam, thiab nws yooj yim dua kom paub qhov txawv ntawm kev hloov hluav taws xob. Yog li ntawd, daim dielectric kev ntsuas qhov tseeb yog ib qho kev ntsuas tseem ceeb tshaj plaws rau cov rwb thaiv tsev kuaj cov khoom siv high-voltage.
Qhov dienectric poob Factor tgΔ tuaj yeem pab tau kom pom cov rhiav hauv qab no shortcomtion:
(1) noo noo; (2) Txav rau cov channel uas ua tau; (3) Rwb thaiv cov rwb thaiv tsev muaj cov pa npuas dawb, thiab rwb thaiv tsev rwb thaiv tsev thiab zoo li; (4) Rwb thaiv tsev yog qias neeg, degenerated, thiab laus.
Medical withstand voltage kuaj
Lub sijhawm Post: Feb-06-2021
