Ib Feem Tshem Tawm Hauv Online Saib Xyuas Qhov System ntawm Generators
Feem ntau, kev tso tawm ib nrab tshwm sim ntawm qhov chaw uas cov khoom ntawm cov khoom siv dielectric tsis sib xws.Ntawm cov chaw no, lub zog hluav taws xob hauv zos tau txhim kho, thiab lub zog hluav taws xob hauv cheeb tsam loj dhau, ua rau muaj kev puas tsuaj hauv zos.Qhov kev puas tsuaj ib nrab no tsis yog tag nrho kev puas tsuaj ntawm cov qauv insulating.Kev tso tawm ib nrab feem ntau xav tau qee qhov chaw roj av los tsim, xws li cov pa roj hauv cov rwb thaiv tsev, cov neeg sib txuas sib txuas, lossis cov khoom siv hluav taws xob.
Thaum lub zog hauv cheeb tsam tshaj qhov dielectric lub zog ntawm cov khoom siv insulating, ib feem ntawm qhov paug tshwm sim, ua rau muaj ntau qhov paug tawm pulses tshwm sim thaum ib lub voj voog ntawm kev siv qhov hluav taws xob.
Tus nqi ntawm cov khoom xa tawm yog ze ze rau cov yam ntxwv tsis sib xws thiab cov khoom tshwj xeeb dielectric ntawm cov khoom.
Qhov tseem ceeb ntawm ib feem ntawm lub cev muaj zog feem ntau yog ib qho kev qhia ntawm kev puas tsuaj ntawm rwb thaiv tsev, xws li kev tsim khoom zoo lossis kev ua haujlwm tom qab khiav, tab sis qhov no tsis yog qhov ua rau tsis ua haujlwm.Txawm li cas los xij, qee qhov tso tawm hauv lub cev muaj zog tuaj yeem cuam tshuam ncaj qha rau cov rwb thaiv tsev thiab cuam tshuam rau cov txheej txheem kev laus.
Kev ntsuas ib feem ntawm qhov paug tawm thiab kev soj ntsuam tuaj yeem siv tau zoo rau kev tswj xyuas cov khoom siv tshiab thiab cov khoom siv winding nrog rau kev tshawb pom ntxov ntawm rwb thaiv tsev tsis zoo los ntawm yam xws li thermal, hluav taws xob, ib puag ncig thiab kev ntxhov siab hauv kev ua haujlwm, uas tuaj yeem ua rau rwb thaiv tsev tsis ua haujlwm.
Vim yog cov txheej txheem tsim khoom tshwj xeeb, kev tsim khoom tsis xws luag, kev laus ua haujlwm tsis zoo lossis kev laus tsis zoo, ib feem ntawm qhov tso tawm tuaj yeem cuam tshuam rau cov qauv rwb thaiv tsev ntawm tag nrho stator winding.Kev tsim ntawm lub cev muaj zog, cov yam ntxwv ntawm cov ntaub ntawv insulating, cov txheej txheem tsim, thiab cov kev ua haujlwm zoo heev cuam tshuam rau tus lej, qhov chaw, xwm txheej, thiab kev loj hlob ntawm ib feem ntawm qhov tso tawm.Feem ntau, los ntawm cov yam ntxwv ntawm kev tso tawm ib nrab, qhov sib txawv hauv zos tso tawm tuaj yeem txheeb xyuas thiab txawv.Los ntawm txoj kev loj hlob thiab cov kev tsis sib xws, los txiav txim qhov txheej txheem rwb thaiv tsev, thiab muab lub hauv paus rau kev saib xyuas.
Characterization parameter ntawm ib nrab tso tawm
1. Tso zis them nqi q(pc).qa = Cb/(Cb+Cc), tus nqi tso tawm feem ntau qhia los ntawm qhov rov tshwm sim tshwm sim tawm nqi qa.
Xws li Cc yog Defect sib npaug capacitance
2. Tshem tawm theem φ (degrees)
3. Discharge repetition rate
Software platform
PD Collector
Ib nrab tso tawm sensor 6pcs
Tswj txee (kom muab lub tshuab computer thiab saib xyuas, qhia los ntawm tus neeg yuav khoom)
1. Ib nrab tso tawm teeb liab sensor
Lub HFCT ib nrab tso tawm sensor muaj cov tub ntxhais sib nqus, Rogowski coil, lub lim dej thiab cov qauv ntsuas, thiab lub thawv electromagnetic shielding.Lub coil yog mob ntawm ib tug sib nqus core nrog ib tug high magnetic permeability ntawm high zaus;Kev tsim qauv ntawm chav lim dej thiab ntsuas ntsuas ntsuas ntsuas qhov ntsuas qhov ntsuas qhov ntsuas thiab ntsuas qhov ntsuas qhov ntsuas zaus.Txhawm rau txhawm rau cuam tshuam kev cuam tshuam, txhim kho lub teeb liab-rau-lub suab sib piv, thiab xav txog qhov yuav tsum tau muaj los nag thiab plua plav, Rogowski coils thiab lim sampling units tau nruab rau hauv lub thawv hlau thaiv.Cov ntaub thaiv npog yog tsim los nrog tus kheej-locking buckle uas tuaj yeem qhib los ntawm nias kom ua kom pom tseeb qhov yooj yim ntawm kev teeb tsa thiab kev nyab xeeb thaum ua haujlwm.HFCT sensor yog siv los ntsuas qhov rwb thaiv tsev ntawm PD hauv stator windings.
Lub epoxy mica HV coupling capacitor muaj peev xwm ntawm 80 PF.Ntsuas coupling capacitor yuav tsum muaj kev ruaj ntseg siab thiab rwb thaiv tsev ruaj ntseg, tshwj xeeb tshaj yog mem tes overvoltage.PD sensors thiab lwm yam sensors tuaj yeem txuas nrog PD receiver.Lub dav bandwidth HFCT tseem hu ua "RFCT" rau kev tawm suab nrov.Feem ntau, cov sensors yog mounted rau ib tug grounded fais fab cable.
Lub teeb liab txias module yog tsim nyob rau hauv PD sensors.Lub module feem ntau amplifies, lim, thiab kuaj pom lub teeb liab txuas mus rau lub sensor, kom lub siab-frequency mem tes teeb liab tuaj yeem sau tau zoo los ntawm cov ntaub ntawv tau txais module.
Specifications ntawm HFCT
| Ntau zaus | 0.3MHz ~ 200MHz |
| Hloov impedance | Tawm tswv yim 1mA, Output ≥15mV |
| Ua haujlwm kub | -45 ℃ ~ + 80 ℃ |
| Cia kub | -55 ℃ ~ + 90 ℃ |
| Qhov taub | φ54 (kev cai) |
| Tso zis davhlau ya nyob twg | N-50 qhov (socket) |
Amplitude-frequency yam ntxwv ntawm HFCT
2. PD kuaj xyuas online (PD collector)
Lub tshuab kuaj xyuas ib nrab yog qhov tseem ceeb tshaj plaws ntawm qhov system.Nws cov haujlwm muaj xws li kev nrhiav tau cov ntaub ntawv, cov ntaub ntawv khaws cia thiab ua tiav, thiab tuaj yeem tsav cov fiber ntau LAN lossis xa cov ntaub ntawv los ntawm WIFI thiab 4G wireless kev sib txuas lus.Cov teeb liab tso tawm ib nrab thiab cov teeb liab hauv av tam sim no ntawm ntau pawg ntawm cov pob qij txha (piv txwv li ABC peb-theem) tuaj yeem ntsia tau rau hauv lub txee lub davhlau ya nyob twg ze ntawm qhov ntsuas lossis hauv lub thawv rau tus kheej txhawb nqa sab nraum zoov.Vim qhov chaw hnyav, yuav tsum muaj lub thawv dej tsis muaj dej.Cov txheej txheej ntawm cov cuab yeej ntsuas yog ua los ntawm cov hlau tsis muaj steel, uas yog qhov zoo rau kev tiv thaiv lub zog thiab lub zog zaus.Txij li nws yog kev teeb tsa sab nraum zoov, nws yuav tsum tau muab tso rau ntawm lub txee tsis muaj dej, qhov ntsuas dej tsis zoo yog IP68, thiab kev ua haujlwm kub yog -45 ° C txog 75 ° C.
Internal qauv ntawm kev kuaj xyuas online
Parameters thiab kev ua haujlwm ntawm kev kuaj xyuas online
Nws tuaj yeem txheeb xyuas qhov kev tso tawm ib nrab xws li tus nqi tso tawm, theem tso tawm, tus lej tso tawm, thiab lwm yam, thiab tuaj yeem muab cov txheeb cais ntawm cov kev txwv tsis raug raws li cov neeg siv khoom xav tau.
Tus nqi piv txwv ntawm ib feem ntawm cov paib mem tes tawm tsis tsawg dua 100 MS / s.
Qhov ntsuas qhov tso tawm tsawg kawg: 5pC;ntsuas band: 500kHz-30MHz;tso zis mem tes daws teeb meem: 10μs;Theem kev daws teeb meem: 0.18 °.
Nws tuaj yeem tso saib cov duab hluav taws xob ntau lub voj voog tawm, ob-seem (Q-φ, N-φ, NQ) thiab peb-dimensional (NQ-φ) paug spectra.
Nws tuaj yeem sau cov kev ntsuas cuam tshuam xws li ntsuas theem ib ntus, tso tawm tus nqi, tawm theem thiab ntsuas lub sijhawm.Nws tuaj yeem muab cov kab hluav taws xob tso tawm thiab muaj kev ceeb toom ua ntej thiab lub tswb ua haujlwm.Nws tuaj yeem nug, rho tawm, thaub qab thiab luam tawm cov ntaub ntawv ntawm cov ntaub ntawv.
Lub kaw lus suav nrog cov ntsiab lus hauv qab no rau kev tau txais cov teeb liab thiab kev ua haujlwm: teeb liab tau txais thiab xa tawm, teeb liab feature rho tawm, qauv paub, kev kuaj xyuas qhov txhaum thiab kev ntsuas cov khoom siv cable.
Lub kaw lus tuaj yeem muab cov ntaub ntawv theem thiab amplitude ntawm PD teeb liab thiab cov ntaub ntawv ceev ntawm cov pa tawm pulse, uas yuav pab tau txiav txim rau hom thiab qhov hnyav ntawm qhov paug tawm.
Kev xaiv hom kev sib txuas lus: txhawb lub network cable, fiber ntau optic, wifi self-organizing LAN.
3. PD software system
Lub kaw lus siv configuration software raws li ib tug kev loj hlob platform rau nrhiav tau thiab tsom xam software los xyuas kom meej kev siv zoo ntawm anti-interference technology.Lub kaw lus software tuaj yeem muab faib ua qhov kev teeb tsa, kev tau txais cov ntaub ntawv, kev tiv thaiv kev cuam tshuam, kev tsom xam spectrum, kev tsom xam, kev sib sau cov ntaub ntawv thiab kev tshaj tawm.
Ntawm lawv, qhov kev tau txais cov ntaub ntawv feem ntau ua tiav qhov teeb tsa ntawm daim npav tau txais cov ntaub ntawv, xws li lub sijhawm ua piv txwv, qhov siab tshaj plaws ntawm lub voj voog, thiab lub sijhawm ua piv txwv.Qhov kev tau txais software sau cov ntaub ntawv raws li cov txheej txheem tau txais daim npav tsis tau, thiab cia li xa cov ntaub ntawv khaws tseg mus rau kev cuam tshuam software rau kev ua haujlwm.Dhau li ntawm kev tiv thaiv kev cuam tshuam kev ua haujlwm, uas raug tua nyob rau hauv keeb kwm yav dhau ntawm qhov kev pab cuam, tus so yog tso tawm los ntawm lub interface.
Software system nta
Lub ntsiab interface dynamically prompts tseem ceeb saib xyuas cov ntaub ntawv thiab nyem qhov sib txuas kom sai tau ncaj qha tau txais cov ncauj lus kom ntxaws.
Lub lag luam interface yog yooj yim los siv thiab txhim kho kev ua haujlwm ntawm cov ntaub ntawv tau txais.
Nrog rau cov ntaub ntawv tshawb fawb muaj zog muaj nuj nqi rau cov lus nug, qauv duab thiab kev ceeb toom ua ntej, kev tsom xam spectrum, thiab lwm yam.
Nrog kev sau cov ntaub ntawv online muaj nuj nqi, uas tuaj yeem luam theej duab cov ntaub ntawv ntawm txhua lub subsystem hauv chaw nres tsheb ntawm lub sijhawm luv los ntawm tus neeg siv.
Nrog cov cuab yeej ua txhaum kev ceeb toom muaj nuj nqi, thaum ntsuas tus nqi ntawm cov khoom tshawb pom hauv online tshaj li lub tswb txwv, lub kaw lus yuav xa cov lus ceeb toom ceeb toom rau tus neeg teb xov tooj kom tswj cov khoom raws li.
Lub kaw lus muaj kev ua haujlwm tiav thiab kev saib xyuas, uas tuaj yeem yooj yim tswj cov ntaub ntawv, qhov system tsis, thiab cov ntaub ntawv ua haujlwm.
Lub kaw lus muaj zog scalability, uas tuaj yeem yooj yim paub qhov sib ntxiv ntawm lub xeev nrhiav cov khoom ntawm ntau yam khoom siv, thiab hloov mus rau kev nthuav dav ntawm kev lag luam ntim thiab cov txheej txheem kev lag luam; Nrog rau kev tswj xyuas kev ua haujlwm, uas sau cov neeg siv cov ntaub ntawv ua haujlwm thiab kev tswj hwm kev sib txuas lus hauv kev nthuav dav, uas tuaj yeem nug tau yooj yim lossis kho tus kheej.
4. Tswj txee
Lub txee tswj tso saib thiab muaj lub computer, lossis lwm yam khoom siv tsim nyog.Nws yog qhov zoo dua los muab los ntawm kev siv
Lub txee yog fixedly ntsia nyob rau hauv lub ntsiab tswj chav tsev ntawm lub substation, thiab lwm qhov chaw yuav raug xaiv rau installation raws li qhov chaw yuav tsum tau.
1. Kev ua haujlwm
HFCT sensor yog siv los ntsuas qhov rwb thaiv tsev ntawm PD hauv stator windings.epoxy mica HV coupling capacitor yog 80pF.Ntsuas coupling capacitor yuav tsum muaj kev ruaj ntseg siab thiab rwb thaiv tsev ruaj ntseg, tshwj xeeb tshaj yog mem tes overvoltage.PD sensors thiab lwm yam sensors tuaj yeem txuas nrog PD collector.Wideband HFCT yog siv rau kev tawm suab nrov.Feem ntau, cov sensors yog mounted rau ib tug grounded fais fab cable.
Qhov nyuaj tshaj plaws ntawm PD ntsuas yog lub suab nrov hauv cov khoom siv hluav taws xob siab, tshwj xeeb tshaj yog HF pulse ntsuas vim nws muaj suab nrov heev.Txoj kev siv suab nrov tshaj plaws yog "lub sijhawm tuaj txog" txoj kev, uas yog ua raws li kev tshawb nrhiav thiab tshuaj xyuas qhov sib txawv ntawm lub sijhawm tuaj txog ntawm cov mem tes ntawm ntau lub sensors los ntawm ib qho PD mus rau qhov kev saib xyuas.Lub sensor yuav muab tso rau ze rau ntawm lub insulated paug txoj hauj lwm los ntawm kev ntsuas thaum ntxov high zaus pulses ntawm paug.Txoj hauj lwm ntawm lub rwb thaiv tsev tsis zoo tuaj yeem kuaj pom los ntawm qhov sib txawv ntawm lub sijhawm xa mus rau lub sijhawm.
Specifications ntawm PD collector
●PD Channel: 6-16.
●Pulse zaus ntau (MHz): 0.5 ~ 15.0.
●PD mem tes amplitude (pc) 10 ~ 100,000.
●Built-in kws tshaj lij system PD-Expert.
●Interface: Ethernet, RS-485.
●Fais fab mov voltage: 100 ~ 240 VAC, 50 / 60Hz.
●Loj (hli): 220 * 180 * 70.
●Nrog muaj zog tiv thaiv kev cuam tshuam.Lub kaw lus siv broadband nrhiav kom tau thev naus laus zis thiab muaj qhov ua tiav kev tiv thaiv kev tiv thaiv hluav taws xob kom tiv thaiv qhov hluav taws xob loj tam sim no thiab siv hluav taws xob tsawg.
●Nrog cov ntaub ntawv kaw tseg, txuag cov ntaub ntawv xeem thawj, thiab cov ntaub ntawv qub thaum lub xeev xeem tuaj yeem rov ua si.
●Raws li cov xwm txheej hauv cheeb tsam, cov khoom siv kho qhov muag fiber ntau LAN kis tau tus mob tuaj yeem siv tau, thiab kev sib kis tau ntev, ruaj khov thiab txhim khu kev qha.Cov qauv yog compact, yooj yim rau nruab, thiab tuaj yeem pom tau los ntawm fiber ntau LAN qauv.
●Lub configuration software yog siv los pab txhawb qhov chaw teeb tsa interface.
2. Cov qauv siv
●IEC 61969-2-1: 2000 Cov khoom siv kho tshuab rau cov khoom siv hluav taws xob sab nraum zoov - Ntu 2-1.
●IEC 60270-2000 Kev Ntsuas Kev Tso Tawm Ib Ntu
●GB / T 19862-2005 Muaj automation instrumentation rwb thaiv tsev tsis kam, rwb thaiv tsev lub zog kev xav tau thiab cov qauv kev sim.
●IEC 60060-1 High voltage test technology Part 1: Cov ntsiab lus dav dav thiab cov kev xeem yuav tsum tau ua.
●IEC 60060-2 Kev ntsuas hluav taws xob hluav taws xob siab - Ntu 2: Kev ntsuas ntsuas tshuab
●GB 4943-1995 Kev nyab xeeb ntawm cov khoom siv thev naus laus zis (nrog rau cov khoom siv hluav taws xob).
●GB/T 7354-2003 Kev ntsuas qhov tso tawm ib nrab.
●DL/T417-2006 Site Guidelines for Partial Discharge Measurement of Power Equipment.
●GB 50217-2007 Fais fab Engineering Cable Tsim Specification.
