IbImpulse voltage generator (IVP)yog ib qho cuab yeej tsim los tsim cov hluav taws xob high-voltage impulses rau kev sim ua dielectric me thiab rwb thaiv tsev ntawm cov khoom siv hluav taws xob thiab khoom siv. Cov tshuab hluav taws xob no simuling strike, hloov surges, thiab lwm yam hloov chaw voltage uas tej yam hluav taws xob yuav muaj kev paub nyob hauv qhov xwm txheej tiag tiag. Hauv qab no yog qee cov lus nug uas nquag nug (FAQs) txog impulse voltage generators.
1. Dab tsi yog ib qho tsis kam lees voltage generator (IVP)?
Ib qho kev siv hluav taws xob tsis sib haum (IVP) yog cov twj xeem siv los siv cov voltage high-voltage impulse los sim cov rwb thaiv tsev muaj peev xwm ntawm cov khoom siv hluav taws xob. Lub impulse voltage simulates ntuj tshwm sim zoo li xob laim lossis hloov cov khoom siv hluav taws xob uas muaj cov hluav taws xob tiag tiag.
Tus neeg siv hluav taws xob nrawm yog feem ntau tsis yog-sinusoidal voltage mem tes, tus cwj pwm los ntawm lub sijhawm nrawm thiab tus Tsov tus tw ntev. Nws tuaj yeem siv rau ntau qhov kev ntsuas sib txawv los soj ntsuam cov cuab yeej hauv kev hloov hluav taws xob.
2. Dab tsi yog lub hom phiaj ntawm kev siv voltage generator?
Lub hom phiaj tseem ceeb ntawm kev siv voltage Generator muaj xws li:
Kuaj Dielectric lub zog: los ntsuas lub rwb thaiv tsev rwb thaiv tsev ntawm cov khoom siv hluav taws xob (piv txwv li cov hloov chaw, hloov pauv) tiv thaiv cov high-voltage impulses.
Simulating Ntuj Txheej Txheem: Los simulation Transient voltage cov xwm txheej zoo li xob laim thiab hloov rov qab nyob rau hauv cov chaw kuaj sim chaw.
Kev tswj hwm zoo: Cov Chaw Tsim Khoom Siv IVGs los kuaj cov khoom siv thiab khoom siv siv hluav taws xob siab.
Txhaum kev kuaj mob: txhawm rau txheeb xyuas qhov tsis muaj zog hauv rwb thaiv tsev, xws li tso dej cais, lossis cov dej noo uas tsis tuaj yeem pom raws li kev ua haujlwm ib txwm muaj.
Ua raws li cov qauv: kom ntseeg tau tias cov khoom siv hluav taws xob ua tau raws li cov qauv hauv ntiaj teb tsim nyog rau kev tiv thaiv voltage thiab kev tiv thaiv surge
3. Qhov uas tsis tsim hluav taws xob hluav taws xob ua haujlwm?
Ib qho kev xav hluav taws xob hluav taws xob ua haujlwm los ntawm kev tsim lub tshuab hluav taws xob siab lossis hloov pauv ntawm cov nqi hluav taws xob lossis hloov pauv. Cov txheej txheem ib txwm muaj cov kauj ruam hauv qab no:
1. Them:
Lub tshuab hluav taws xob siv lub capacitor bank them nqi rau lub siab voltage, feem ntau nyob rau hauv ntau ntawm 100 kV mus rau 500 kV.
2. Tawm:
Thaum lub tshuab hluav taws xob tau ua rau, lub zog khaws cia hauv cov capacitors nrawm nrawm nrawm nrawm los ntawm kev hloov pauv txim lossis thyratron hloov, tsim lub tshuab hluav taws xob siab. Cov mem tes no tuaj yeem muaj cov duab sib txawv, xws li qauv xob laim impulse (1.2 \/ 50 ●s) lossis hloov pauv (250\/2500 μs).
3. Tawm Tawm Wurformation:
Qhov kev tawm hluav taws xob hluav taws xob yog feem ntau tsis-Sinusoidal thiab tus cwj pwm los ntawm lub sijhawm nrawm nrawm thiab tus Tsov tus tw ntev (lub sijhawm poob). Lub sijhawm ntawm cov neeg siv hluav taws xob tuaj yeem sib txawv, tab sis nws feem ntau luv heev (ob peb microconds rau milliseconds).
4. Kuaj:
Lub impulse voltage yog thov rau cov khoom siv hauv kev sim (EUT). Cov khoom siv tau saib xyuas rau txhua lub cim ntawm kev tawg, xws li insield tsis ua haujlwm, arcing, lossis lwm yam swb.
4. Dab tsi yog qhov tseem ceeb ntawm cov khoom siv voltage?
Cov Ntsiab Lus Tseem Ceeb ntawm ib tug neeg yaum voltage Generator muaj xws li:
Peak voltage: qhov ntau tshaj voltage tau mus txog thaum lub sij hawm impulse, feem ntau xws li los ntawm 100 kV mus rau 500 kV nyob ntawm qhov yuav tsum tau ua.
Lub sij hawm nce: lub sijhawm nws yuav siv rau lub impulse mus rau 10% mus rau 90% ntawm nws cov nqi ncov, feem ntau nyob rau hauv ntau ntawm 1-10 μs.
Ntev (lossis tus tw lub sijhawm): Lub sijhawm nws yuav siv rau lub impulse mus poob ntawm 90% rau 50% ntawm nws lub ncov tus nqi, feem ntau nyob rau hauv ntau ntawm 50-200 μs.
Impulse daim duab: cov qauv laim hluav taws xob implulse WEBERFForm yog 1.2\/50 μS, uas 1.2 μS yog lub sijhawm nce thiab 50 μs yog lub sijhawm. Lub tshuab hloov pauv tsis yog feem ntau 250\/2500 μs.
Zog xa tawm: tag nrho cov zog tshaj tawm los ntawm lub zog, uas yog qhov tseem ceeb rau kev ntsuas cov rwb thaiv tsev teb rau high-voltage s sorges.
5. Dab tsi yog qhov raugCov Kev Siv Ntawm Ib Qho Hluav Taws Xob Hluav Taws Xob?
Impulse voltage generators yog siv nyob rau hauv ntau cov ntawv thov, feem ntau rau kev sim cov khoom siv hluav taws xob siab. Qee cov ntawv thov feem ntau suav nrog:
1. Cov cuab yeej ntsuas hluav taws xob siab:
Transformers: Los ntsuas lub dielectric lub zog ntawm kev hloov pauv hauv qab simulated xob laim thiab hloov surges.
Circuit Court tej rooj txhoj: kom ntseeg tau tias cov kab ke hluav taws xob tuaj yeem ua rau cov high-voltage impulses thiab hloov kom zoo nyob rau hauv cov kev mob.
Switchgear: Kev sim cov rwb thaiv tsev thiab kev ua haujlwm hloov pauv thaum muaj kev ua kom muaj hluav taws xob ntau.
Cables: Kuaj cov rwb thaiv tsev ntawm cov xaim, tshwj xeeb tshaj yog rau cov uas siv hauv cov tshuab hluav taws xob hauv hluav taws xob thiab faib tawm.
2. Hluav taws xob hluav taws xob:
Kev ntsuas: Kev soj ntsuam Cheebtsam zoo li cov bushings, insulators, thiab cov txuas rau kev siv hluav taws xob tsis ntev.
Lub tshuab hluav taws xob thiab cov peev txheej thiab cov peev txheej: Txheeb xyuas lub peev xwm ntawm cov tshuab hluav taws xob kom tiv thaiv siab heev.
Cov Khoom Tiv Thaiv: Kuaj cov txiaj ntsig ntawm kev ua haujlwm raug ntes, cov muaj kev tswj hwm, thiab lwm cov khoom siv tiv thaiv tawm tsam hluav taws xob.
3. Kev Tshawb Nrhiav thiab Kev Loj Hlob:
Cov Khoom Siv Tshuaj Ntsuam: Cov ntaub ntawv tshaj tawm siv hauv rwb thaiv tsev rwb thaiv tsev, xws li kev sib xyaw, thiab txiav txim siab lawv cov kev haum rau kev siv hauv cov hluav taws xob siab.
Cov Qauv Ua Raws Cai: Cov tuam txhab tsim khoom siv tsis xav txog cov neeg tsim hluav taws xob kom ntseeg tau tias lawv cov khoom ua tiav cov qauv thoob ntiaj teb.
6. Dab tsi ntawm cov khoom siv hluav taws xob cov kev siv hluav taws xob feem ntau siv?
Impulse voltage generators tuaj yeem tsim cov pob hluav taws xob sib txawv nyob ntawm daim ntawv thov:
Txheem laim impulse: feem ntau yog 1.2 \/ 50 μS wetforms, qhov twg:
1.2 μs yog lub sijhawm nce (lub sijhawm mus los ntawm 10% mus rau 90% ntawm cov nqi ncov),
50 μs yog lub sijhawm (lub sijhawm kom lwj ntawm 90% rau 50% ntawm cov nqi ncov).
Cov nthwv no siv tau siv rau kev kuaj cov khoom siv hluav taws xob ntawm hluav taws xob hauv hluav taws xob.
Hloov cov impulse: Feem ntau yog 250\/2500 μs waveForm, qhov twg:
250 μs yog lub sijhawm nce,
2500 μs yog lub sijhawm.
Cov nthwv dej no tau siv los ntsuas qhov hloov hluav taws xob uas tshwm sim thaum hloov cov khoom siv high ntawm lossis tawm.
7. Dab tsi yog cov qauv txheej txheem rau impulse kuaj?
Muaj ntau cov qauv thoob ntiaj teb uas tau hais meej cov txheej txheem kuaj sim voltage, suav nrog:
Iec {60060-1}: cov ntsiab lus dav dav thiab cov txheej txheem ntsuas rau impulse voltage.
Iec {60060-2: high-voltage kuaj, suav nrog kev kuaj mob impuls.
IEEE C62.41: Tshawb xyuas cov cuab yeej hluav taws xob hauv cov tshuab hluav taws xob.
Ansi C37.90: Cov qauv rau kev tshuaj ntsuam xyuas kev tiv thaiv thiab cov khoom siv hluav taws xob qib siab rau kev hloov pauv hloov.
Cov qauv txheej txheem no txhawm rau cov kev siv ua kom nruj, kev ntsuas voltages, thiab kuaj cov teeb tsa uas yuav tsum tau siv thaum ua cov kev ntsuas hluav taws xob tsis haum.
8. Lub tswv yim txhawb nqa cov txheej txheem tsim tawm thiab tswj tau?
Cov WaveForm yog feem ntau ua rau siv cov capacitor-raws Circuit Court:
Charging Stage: Capacitors raug foob txog qib xav tau ntawm cov hluav taws xob.
Kev tawm hauv theem: Qhov voltage yog sai sai tso tawm los ntawm ib qho kev sib txawv ntawm lub txim lossis khov kho. Lub sijhawm yam ntxwv ntawm qhov paug (lub sijhawm nce thiab ntaus cim) yog txiav txim siab los ntawm lub peev xwm, tiv taus, thiab inductance hauv Circuit Court.
Cov WaveForm yog tswj hwm thiab ua tus qauv los ntawm kev tsim qauv ntawm lub capacitor bank, lub tshuab hloov pauv, thiab tso tawm.
9. Dab tsi yog qhov sib txawv ntawm cov hluav taws xob voltage generator thiab cov tsoos AC High-voltage tester?
WaveTorma hom: Qhov sib txawv tseem ceeb yog tias lub tshuab hluav taws xob tsis zoo siv cov sij hawm thiab cov tw ntev), thaum cov khoom siv ntev ntev), thaum cov khoom siv hluav taws xob ntev ntev
Lub Hom Phiaj: Qhov IVG yog siv los simulation Transient radient voltage thiab hloov surging lub zog thiab hloov lub zog ntawm cov khoom siv hauv kev ntxhov siab.
Zaus: ib qho IVG kev ua haujlwm ntawm qhov tsawg heev los yog qhov tseem ceeb tsis muaj zaus (impulse), thaum AC TESER ua haujlwm ntawm cov kab zaus (50\/60 hz).
10. Yuav ua li cas cov kev ceev faj kev nyab xeeb yuav tsum tau ua thaum siv lub tshuab hluav taws xob tsis sib haum?
Vim yog qhov tsim hluav taws xob siab heev tsim los ntawm kev ntsuas voltage, kev nyab xeeb yog qhov tseem ceeb:
Cov neeg ua haujlwm tiv thaiv: ib txwm hnav cov hnab looj tes ppe, xws li cov hnab looj tes hnab looj tes insulated, goggles kev nyab xeeb, thiab arc nyem suits.
Thaj Chaw Kuaj: Xyuas kom cov chaw xeem yog cov cim zoo thiab tias cov neeg ua haujlwm tsis tau tso cai yog khaws cia nyob deb deb.
Interlock systems: Siv cov sim tes ua haujlwm nrog kev nyab xeeb hauv kev nyab xeeb uas tsis muaj kev pheej hmoo ntawm qhov kev pheej hmoo siab ntawm qhov hluav taws xob siab.
Kev tsim nyog hauv av: Xyuas kom cov khoom siv tau zoo thiab qhov kev nyab xeeb uas muaj kev nyab xeeb (piv txwv li, kev tiv thaiv crowbar thiab kev tiv thaiv luv luv) yog qhov chaw luv.
Cov Khoom Kuaj Ntaus: Cov khoom siv uas tau ua kom muaj kev ntsuas tsis tu ncua thiab kev txij nkawm kom ntseeg tau tias muaj tseeb thiab nyab xeeb.
Yog tias koj tab tom nrhiav rau kev ua siVoltage Cov Chaw Tsim Tshuaj Generator thiab Cov Khoom Siv, thov koj xav tiv tauj peb rau qhov ua tau zoo thiab googlNqe ntawm lub pov voltage generatorthiab cov lus qhia ntxaws ntxiv. Raws li lub Hoobkas ntawm kev cuam tshuam voltage generator, kawg 21yog, peb muaj ntau hom voltage generator rau kev muag los daws koj cov teeb meem.