高壓電機(jī)VPI絕緣缺陷局部處理方法研究.pdf

1、鄭州大學(xué)碩士學(xué)位論文高壓電機(jī)VPI絕緣缺陷局部處理方法研究姓名：吳宏龍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：工程指導(dǎo)教師：周勇201011AbstractAbstractElectricalmachinery’Spowerandthevoltageandtheelectriccurrentproductisproportional，SOwhenlowvoltageelectricalpowerincreasestoacertainextent(suc

2、has300KW／380V)，thecurrentcarryingcapacitybyallowingthewireconstraints，itisdifficultbiggerorcosttoohi曲，whichneedtobeachievedbyincreasingthevoltageofpoweroutputHighvoltagemotoristhemotorratedvoltageabovel000Voftenusesthevo

3、ltageis6000Vand10000VOperatingenvironmentandoperatingconditionsbecausetheimpactofconstant，dailywillcauseinsulationagingresultinginhighvoltagemotorfailures，includingthelayerinsulationbreakdowninterturninsulationbreakdownw

4、indinggroundfaultcircuitwindingfaults，windingshortcircuitfault，thestatorwindinginsulationwearandelectricalcorrosion，leakagecurrent，dielectriclossangleincreases，thecoilandtheWearbetweentheendhoopsbreakdownthecoilendinsula

5、tionsubjectedtomechanicaldamageslotandwedgelooseningItcanbeseentheimportanceofinsulationinthemotormotorinsulationlifealsodependsonthelifeofthemain，itwasknownasthemotorintheheartoftheinsulationDomesticandforeignscientific

6、andtechnologicalpersonnelhasbeennewcompetitioninthedevelopmentorimprovementofthemaininsulatingmaterialinordertoimprovetheperformanceofthemaininsulation，themotorhasagreatermarketcompetitivenessWiththehigh—voltagemotorsles

7、splasticVPI(Vacuumpressureimpregnation)thematurationofthewholeleachingprocess，thesuperiorinsulationmoisturevibrationcorrosionresistance，heatresistanceandsavinglabormaterialsavingfeatureshavebeenmoreandmorehighvoltagemoto

8、runderstandingofmanufacturingenterprises，andwidelyusedInthispaperthelatesthighvoltageelectricalinsulationandinsulatingmaterialsresearchtechnicalknowledgecombinedwimhighvoltageinsulation，andanalyzedthewholeleachingprocess

9、lessgumVPIinsulationdefectsofthemotorthefeasibilityoflocalprocessing，researchandsuccessfulpracticetoexploreaneffective”LessplasticVPImotorinsulationdefectsintheentireBaptist6kVlocalapproach”Usingthismethod，thewholeofasma

10、llplasticvPIBaptist6kVmotorcoilsandtheendoftheupperedgeofthelocalinsulationdefectstreatedDCvoltagetestpass，theactualrunningwell，thewholecoil，comparedwiththereplacementofthemotorsavingalotofhuman，financialandtimemadeavery