企業(yè)配電網(wǎng)電能準(zhǔn)確計(jì)量及管理節(jié)能技術(shù)研究.pdf

1、湖南大學(xué)碩士學(xué)位論文企業(yè)配電網(wǎng)電能準(zhǔn)確計(jì)量及管理節(jié)能技術(shù)研究姓名：孟金嶺申請學(xué)位級別：碩士專業(yè)：電力系統(tǒng)及其自動(dòng)化指導(dǎo)教師：羅安20120509AbstractLargenumberofdynamicdistortionusersexistedinourcountry，thepoWerlossisseriousAccordingtostatistics，ironandsteel，chemicals，electrifiedrailwaya

2、ndothermajorenergyintensiVeindustriesenergyconsumptionaccountedfor70％oftheenergyconsumptionofthesocietyHi曲energyconsumptlonindustriesaremostlynon1inearloadshavingfeaturesasfbllows：largeofVolatility，irregular，highharmonic

3、andsoon，resultinginlargererrorofene重。gymeteringdevicesThoroughresearchofaccuratepowermeasurementandenergysavingtechnologiesfornonlinearusersisVerynecessarytopromoteenergysavingandemissionreductioninelectricneldandimproVe

4、energy’saVingpositiVityofconsumersThecharacteristicsandoftypicalnonlinear10adsuchasrectifierunit，railwayelectrincationandelectricarcfurnace，theinfluencetoenergymeteringandthegridpowerlossofthepOwerqualityproblemsespecial

5、lyelectricharmonic行0mtheworkingprincipleandfrequencyresponsecharacteristicsofinductionmeterandelectronicenergymeterareanalyzedThechoiceofmeasurementmethodforthenonlinearloadisdiscussed‘Thewavefomdistortioncreatesgreaterr

6、orinpowerene唱ymeasurementbasedonsinusoidalpowercalculationmethodactiveenergycalculationmethodforoflargeThirdorderalgebraicaccuracysimpsonintegrationalgo“thmisadoptedCalculatedresultsshowthattheintegralmethodreducesthemea

7、surementerroroftheactiveene略ymeteringAdynamicphasecompensationalgorithmisproposed，themethodcombinestheadvantageofFIRandNewtoninterpolationalgorithm，furthercompensatesef艷ctsoffrequency，te啦peraturedrift，timedriRBecausethep

8、owerconsumptionofnonlinearuserisirregularandexistsseVereshocks。thezeronuxcurrentsensortechnologyandsteplessz00mtechnologyisadoptedtoachieveawiderangeaccuratepowermeasurementforimpact10adImpactloadenergymetersuitableforel

9、ectricuserswithlargecrmntshOckswasdeVeloped，improvingtheacouracyofpowermeasurementf；。!rimpactusersC0nsiderthelossofelectricitycausedbyharmonics，improVedhamonicPrincingModela11dfullwaveene唱yrewardandpunishmentmethodisprop