配電網(wǎng)網(wǎng)絡(luò)式自適應(yīng)電流保護(hù)原理的研究與實(shí)現(xiàn)

1、武漢大學(xué)碩士學(xué)位論文配電網(wǎng)網(wǎng)絡(luò)式自適應(yīng)電流保護(hù)原理的研究與實(shí)現(xiàn)姓名：歐陽(yáng)兵申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電力系統(tǒng)及其自動(dòng)化指導(dǎo)教師：呂艷萍20030401武沉_大學(xué)碩士學(xué)位論文摘要AbstractWiththedevelopmentofnationalecollomythedemandforreliabilityofpowersupplyis1】igl】削andhigherineverywalkoflife，whichpromotesauto

2、nmtiondegreeofdistributionnetworkincreasingcontinuouslySomelineprotectionequipmentssuchasRecloserSectionalizeretcarewidelyappliedindismbutionnetworkAlthoughtheseequipmentscouldseparatefaultpo‘mtfromnetworkresttmingpowers

3、upplyrapidlyandnoextracommunicationmeans，theycouldnotensuretheselectivityofwippingandleadtotheextendedpowercutcorrespondingtOfastupping。Itisnecessary幻designanewprotectiondevicewhichcouldsatisfytheselectivityindistributio

4、nnetworkConsideringthattherearelargequantitiesofmultilevelshortlinebranchesrmgdistributionnetworkandTtypeconnectionsindismbutionnetwork，thispaperpresentsa霸ewtheorynetworkbasedadaptivecurrentprotectionprincipleBycombining

5、communicationtechnologywithadaptivecurrentsettiDgmethodtheprmciplec鼴ensuretheselectivityof硒濺andresolvetheproblemthatprotectionrangeisaffectedbyfaulttype，MoreoverOilthebasisofthat，amicroim3cessorbasedlineprotectionequipm碰

6、indisuSbutionnetworkisdevelopedThere辯sixch鼬tersinthepaperInchap鍛1thedevelopmentandcharacteristicofmicroprocessorbasedrelayprotectioninpowersystemisinnoduccdfirstlythenthestatUSquooflineprotectionindismbutionandSOIT囂exist

7、entproblemsarediscussedAtlastwhattheauthormainlydoesinthepaperissu玨ⅡnarizedToimplementtheproposedprincipleinthispaperChapter2introducedhardwaredesignandslyu勰ofDSPbasedcurrentprotectionequipmentAtthes黜time，theworkingp而靶ip