Cov kev daws teeb meem rau ib feem ntawm cov hluav taws xob hluav taws xob muaj xws li: optimizing hluav taws xob xa hluav taws xob kom tshem tawm cov "cov txiaj ntsig zoo," txhim kho qhov zoo thiab kev sib khi ntawm cov ntaub ntawv rwb thaiv tsev, ntxiv dag zog rau kev tswj hwm kev tsim khoom thiab kev sib dhos, siv kev soj ntsuam online thiab ceeb toom ntxov, thiab hloov lossis kho cov khoom siv hluav taws xob uas tau tshwm sim lawm. Ntawm cov kev ntsuas no, kev tiv thaiv kev tsim qauv thiab kev siv cov khoom siv zoo - yog qhov tseem ceeb, ntev - cov kev daws teeb meem.
1. Txhim kho hluav taws xob xaim hluav taws xob kom tshem tawm "Tip Effect"
Hluav taws xob qhov chaw concentration yog qhov tseem ceeb ua rau kev tso tawm ib nrab thiab yuav tsum tau tswj los ntawm kev tsim qauv.
Chamfering ntawm Conductor Edges: Siv cov chamfers du (nrog lub vojvoog R Ntau dua lossis sib npaug li 0.5 mm) rau cov khoom siv hlau -xws li cov electrode cores ntawm cov cua sov rods thiab cov hlua txuas txuas - los tiv thaiv cov npoo ntse los ntawm inducing corona paug.
Voltage Equalization Design: Txhim kho cov hlua khi lossis qhov sib npaug ntawm qhov hluav taws xob hauv cheeb tsam ntawm lub zog hluav taws xob siab kom ntseeg tau tias muaj kev faib tawm ntawm hluav taws xob.
Nce Creepage Distance: Tsim qhov ntev ntawm txoj kev rwb thaiv tsev kom tsim nyog kom ua tau raws li qhov yuav tsum tau ua ntawm IEC 60664 tus qauv, yog li txo qhov kev pheej hmoo ntawm qhov paug tawm.
Tswv yim pom zoo: Koom nrog hluav taws xob simulation (xws li, siv ANSYS Maxwell) thaum lub sij hawm pib tsim cov pwm tshiab los txheeb xyuas qhov siab - teb- lub zog cheeb tsam thaum ntxov thiab txhim kho qhov tsim kom zoo.
2. Txhim kho cov khoom siv rwb thaiv tsev zoo thiab qhov system sealing kev ncaj ncees
Xaiv qhov siab - cov ntaub ntawv rwb thaiv tsev ua tau zoo thiab ua kom muaj kev sib khi tag nrho ntawm lub kaw lus yog cov kauj ruam tseem ceeb hauv kev tshem tawm cov xwm txheej tawm ntawm qhov chaw.
Siv cov khoom siv nrog High Dielectric zog:
Rau cov cua sov pas nrig, ua qhov tseem ceeb ntawm cov rwb thaiv tsev ceramic (magnesium oxide core) los yog dual - txheej silicone encapsulation qauv, muaj peev xwm tiv taus qhov hluav taws xob ntau dua lossis sib npaug rau 3000 V.
Rau cov cables, siv ntoo khaub lig- txuas polyethylene (XLPE) lossis silicone roj hmab rwb thaiv tsev txheej, uas muaj kev tiv thaiv zoo rau kev laus thiab kub kub.
Txhim kho qhov dej noo tiv thaiv:
Xaiv cov khoom txuas nrog IP67 tiv thaiv ntsuas lossis siab dua.
Rau cov thawv sib txuas, ntiav cov qauv kev sib khi uas muaj O-rings ua ke nrog cov xov hlau xauv tshuab; Thaum tsim nyog, thov RTV silicone roj hmab encapsulation.
Kev Lag Luam Kev Lag Luam: High-kawg kub khiav tshuab tau nce zuj zus tau txais kev kaw tag nrho, kev saib xyuas- qauv tsim dawb, uas txo qis qhov tshwm sim ntawm kev tso tawm ib nrab.
3. Txhim khu kev tsim khoom thiab kev sib dhos txheej txheem tswj
Minutes defects nyob rau hauv cov txheej txheem ntau lawm tuaj yeem ua cov ntsiab lus pib rau kev tso tawm ib nrab; yog li ntawd, lawv yuav tsum tau tswj nruj heev.
Ib puag ncig ua haujlwm huv: Khaws cov plua plav-dawb, qis- av noo (RH < 60%) ib puag ncig hauv thaj chaw sib dhos kom tiv thaiv kev nkag ntawm cov plua plav thiab cov khib nyiab hlau.
Standardized Potting txheej txheem: Thaum ua si silicone potting, ntiav ib tug ua ke ntawm lub nqus tsev vacuum degassing thiab qeeb txhaj tshuaj tiv thaiv cov seem cua npuas.
Fastening Torque Control: Siv lub torque wrench thaum txhim kho cov khoom sib txuas los tiv thaiv kev tawg ntawm cov ceramic substrate vim overtightening, los yog tsis zoo hluav taws xob tiv tauj los ntawm undertightening.
Kev Tshawb Fawb Txog Kev Ua Haujlwm Zoo: Ua Kev Ntsuas Ib Ntu (PD) ua ntej xa khoom xa tuaj kom ntseeg tau tias cov pa paug tawm qis dua 5 pC ntawm 1.2 npaug ntawm qhov ntsuas hluav taws xob.
4. Siv cov kev soj ntsuam online thiab ceeb toom ntxov rau kev tso tawm ib nrab
Siv lub sijhawm tiag tiag - saib xyuas lub sijhawm ntawm cov kab tsim khoom tseem ceeb txhawm rau txhawm rau txhawm rau tshawb pom ntxov thiab daws teeb meem sai.
Kev xa tawm Sensor:
Nruab High-Frequency Current Transformers (HFCTs) ntawm cov kab hluav taws xob tseem ceeb kom ntes cov teeb liab tawm tsis tu ncua.
Txoj hauj lwm Ultra-High Frequency (UHF) sensors ntawm qhov khoob hauv cov thawv sib txuas kom ntes hluav taws xob hluav taws xob.
Data Analysis thiab Alarming:
Siv ntug kev xam los lim tawm suab nrov, thiab ntiav AI algorithms los txheeb xyuas qee hom kev tso tawm ib nrab.
Set a threshold of >10 pC los ua kom pom kev pom thiab hnov lub tswb nrov, thaum tib lub sijhawm qhia txog qhov chaw tawm.
Daim ntawv thov Case: Tom qab siv ib feem ntawm kev saib xyuas qhov system ntawm nws txoj kab kev txhaj tshuaj molding, cov chaw tsim khoom siv tsheb tau pom 60% txo tus nqi ntawm cov khoom siv cua sov uas tsis tau npaj tseg.
5. Kev kho thiab hloov cov khoom siv nthuav tawm ib feem
Rau cov khoom siv uas qhia pom tias muaj kev tso tawm ib nrab, yuav tsum muaj kev cuam tshuam tam sim los tiv thaiv kev puas tsuaj ntxiv.
Kev tawm me me (Tshaj Tawm: 5-10 pC):
Disassemble thiab tshuaj xyuas qhov chaw tawm, thiab du tawm txhua qhov ntse.
Tom qab ntxuav, sau cov pa tawm uas siv high -dielectric- lub zog epoxy resin lossis RTV silicone sealant. Kev paug hnyav (Qhov paug tawm> 10 pC lossis carbonization tau tshwm sim):
Tam sim ntawd hloov cov khoom cua sov, cable, los yog connector;
Tom qab hloov pauv, rov- ua qhov kev tiv thaiv rwb thaiv tsev thiab kev kuaj tawm ib nrab kom ntseeg tau tias lub kaw lus tau rov qab los rau lub xeev noj qab haus huv.
Kev Ceeb Toom Txog Kev Nyab Xeeb: Nws raug txwv nruj heev rau "kho thiab rov siv dua" cov khoom siv hluav taws xob carbonized, vim tias ua li ntawd ua rau muaj kev phom sij tseem ceeb.
