電力系統(tǒng)靜態(tài)電壓穩(wěn)定性的研究.pdf

1、山東大學(xué)碩士學(xué)位論文電力系統(tǒng)靜態(tài)電壓穩(wěn)定性的研究姓名：于永進(jìn)申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：電力系統(tǒng)及其自動(dòng)化指導(dǎo)教師：欒兆文20050510山東大學(xué)碩士學(xué)位論文Abstract：DuringrecentyearsthestudyonvoltagestabilityhasalreadyreceivedwidespreadattentionofmanyresearchesConcentratingonthestaticvoltagestabili

2、ty，thispapersummarizesthecommoncalculationmethodsofstaticvoltagesstabilityandpaysmoreattentiononthestaticvoitagestabilitycriterionandthestaticvoltagestabilityindexManyothermattersrelatedtostaticvoltagestabilityarealsodis

3、cussedFirstly，thepaperreviews％礦。riteri。nonaP礦curvesimply，discussestheeffectofloadcharacteristicsonstaticvoltagestabilityThepaperdeducestheconditionofstaticvoltagestabilitywithregardtoloadcharacteristicsonbasisofgeneraliz

4、edJacobianmatrix，thenderivespracticalcriterionofstaticvoltagestabilitywithregardtoloadcharacteristic，Thepaperpointsoutthatthesystemvoltagestabilityoperatingatup—regionofthenosecurvedependsmainlyonthetransmissioncharacter

5、isticofthesystemandthesystemvoltagestabilityoperatingatdown—regionofthenosecurvedependsgreatlyontheloadcharacteristicTherelationshipbetweenpowersystemvoltageinstabilityvoltagecollapseandlo如instabilityisproposedThatvoltag

6、einstabilityandvoltagecollapsearetwodifferentconceptsispointedoutVoltagecollapseisnotthesinglefinalresultofvoltagestabilityThepowersystemvoltagestabilityisanowncapacityofthesystemkeepingvoltageatbusWhetherthesystemisvolr

7、agestabledependsonthetransmissioncharacteristicsofsystem’SownandisnotconcernedwiththeloadcharacteristicsWhetherthev01tagecollapsetakesplaceafterthevoltageinstabilityreliesontheloadcharacteristicsThesystemvoltageinstabili