牽引變電所無功與諧波綜合補(bǔ)償技術(shù)及工程設(shè)計(jì)研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文牽引變電所無功與諧波綜合補(bǔ)償技術(shù)及工程設(shè)計(jì)研究姓名：張麗申請(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：李群湛2447.7.30亙查鑾望盔堂堡主塹塞生堂垡絲塞AbstractTheelectrifiedrailwayhassuchcharactersaslowpowerfactorhighcontentofharmonic，randomfluctuationofpowerandcurrentandsoonAs

2、aparticularuserandhighpowersourceofharmonic，itfacesbothreactivepowercompensationandharmonicfilteringAfterthepowersystemappliedthemethodofpositivecomputationforcounterteactivepowertheorigimafixedparallelcapacitorcompensat

3、iondevicesandfixedcompensationmodelusedas3rdharmonicfilterattractionsubstationscannotarchivetheaimofincreasingpowerfactorItisnecessaryofimplementingdynamicallyfollowingcompemationinrealtimeinordertoadaptthechangeofreacti

4、vepowercomputationmethodandattaincomprehensiveimprovementofreactivepowerand脅onicfilteringInthisthesis，OllthebasisofthetheoryofreactivecompensationandharmonicfilteringoftractionsubstationTSCwitllstepdowntransformerofsinOe

5、windingsormultiwindingsinthesecondaryisdiscussedthepropertiesofthetwokindsofsingletunedcompensatorfilterareanalyzedandtheoptimumdesignmethodisraisedwiththeconstraintofreactivepowerbalanceunderthegoalofminimumdevicecapaci

6、ty(orinvestment)WithapracticaltractionsubstationthedesignprocessofthecompensatorfilterisgivenTheschemesforreactivepowercompensatingandharmonicfilteringaresimulatedbycomputeraccordingtotheswitchconlrolstrategymainlyconsid

7、eringreactivepowercompensationandsecondarilyharmonicfilteringandnegativesequencecompaIsationTheanalysisofsimulationresultsindicatesthatTSCimprovesobviouslysuchpowersupplyqualityindexesaspowerfactorharmonic，negativesequen