核电厂应急柴油发电机电气运行关键问题研究

华北电力大学（保定）硕士学位论文核电厂应急柴油发电机电气运行关键问题研究姓名：梁传富申请学位级别：硕士专业：电气工程指导教师：赵成勇2011-06I6kVIIAbstractWiththerapiddevelopmentofChina'snuclearpowerindustry,oneofthemostcriticalproblemsinnuclearpowerplant-emergencydieselgeneratorpowerqualityhasbecomeincreasinglyimportantandurgent.Thisarticlesuppliesthemainmeasuresfromemergencydieselgeneratorelectricaloperationkeyproblemsaspectsofanalysisandreasoningtoimprovethepowerqualityofemergencydieselgenerator.Atfirst,thispaperbrieflydescribestheemergencydieselgeneratorthebasicrequirementsofpowerquality;thengivesomeinstancestothegeneralrelayprotectionsettingsofthenuclearpowerplantemergencydieselgenerator,andsummarize,andanalysistherelaytripsettingsinemergencyconditions,prioritywouldbelow-voltageprotection;thenmoredetailedintroducethedieselgeneratorexcitationsystem,andsuggestselectmicroprocessor-basedexcitationregulator,andtheuseofmorematureofthethreemachineswithpermanentmagnetbrushlessmachinesystemlater;Finally,Combinationsofalltheloadrequirementsoftheacceptablevoltagedrop,itsproposedmeasurescanbetaken6kVmotorstartingtimestagger,appropriateadjustmentstostarttheorder,areasonablechoiceofthecapacityofdieselengineandgeneratorandsoon.Withtheimprovementofthesemeasures,itcanprovidenuclearpowerplantemergencydieselgeneratorinemergencyconditionforStep-uploadinghigherpowerquality,butalsoprovidetechnicalspecificationsforreferencetofollowingimportsoftheemergencydieselgenerators.Keywords:emergencydieselgeneratorkeyproblemsnuclearpowerplant“√”111.1200820204000kW1.44[1][2]1)1015s2)98%90%40%3)95%47.5Hz4)75%4.95kV5)75%[3][4]MTU/AREVAALSTOM21.299%[1]MTUALSTOM1EALSTOMMTU/AREVAMTUMTU/AREVA-ALSTOM/MAN[5-7][8]1.33:1)[2]2)3)4)6kV422.12.1.1235U2-12-1[0][9]246kV[10]5[11]2.1.21)2)2.1.31)1E2)3)1EALSTOMMTU/AREVA62.22.2.11)10152)95%47.5Hz75%4.95kV98%90%40%3)75%4)5105)5000kW6500kW99%10152.2.2/[3]1)6.6kV2)5S1.2550Hz1.4450Hz1.2312018022.37[12-15]6kV6kV1)2)3)83321713.221.216.63.1[16]3.29[1718]3.2.11MW[19]10P3%63-1OED3-1(3).max.maxunbapccerkaIKKKIn=Kap1.52.0Kcc0.5Ker0.1I(3)k.max1)3-1AIOP.0.20.03/OPOkelgnaIKIn=××..0OPOkelunbIKI=Kkel1.5;IgnIunb.0IOPO0.100.30Ign/na0.100.20Ign/naIunb.0Iunb.0Iunb.010IOPO2)BBagnresnII/)0.1~8.0(0.=Ires.0Ign/na3)CIop.maxCmax.max.unbrelopIKI=Krel1.31.5CI(3)k.maxIres.maxCKres.maxerccaprelresopresKKKKIIK==max.max.max./Kres.max0.153-1CKres.max0.30S.max.0.max.0(3)/opopkaresIISInI−=−ABCKsen2.021)7UT512,CTCT[20]3-211123456710.2K2IdzIdiffInGeIstabInGeK103-27UT512IdZCTCT0.1~0.2IgnCT0.2InGeK1K20.30.53-1B1InGe1)DMS70016kV3-3IZID0.650.2In1In2In5In0.23-3DMS7001ZONE10.2x573800xIN0.2x0.72xINZONE20.21InZONE3CT120.652InID5IN573A,CT800/1AIPIS0.72IPISIDIPISIZ=IPIS/20s40ms3.2.2[21]1)()2)()3)4)[22]3-1IcIc()()133-1/kV/MW/A6.3≤50450100310.5101001252002.5213.815.75402251820300600121/2Ic6.6kV6.6kV6.6kV6kV10095CTARInn09.9)4003/(6300)3/(63002/12/1=×==Rn400ΩCT0.990.9595CT5/100.95(10.95)0.950.990.95105100.223settingIA=−×××××÷≈0.446NI×0.05IN0.1s6kV143.2.3(INeg/In)2*t=CC840I28Ingen(I2gen/Ingen)2t3-43-43-4C20s,C8snnnCTnngengenIIIIIII%73.5800573%8122=÷×=×÷×=I25I21At=200sI22At=49.99sT=8/(I2/In)23.2.415a)min.3.)90.0~85.0(hphopUU=Uop.3ph();Uh.minb)1)2)3)c)1)2)3)3-53-5X2X1xR0.5xdxdOffsef+diameter3-5Xd182.7X’d19.16.25MVA6.3kV16nn10011.57335nUZI===Ω××2'd1006.3350.1913.0863006.253800X×=××≈Ω×'2d0.51.540.133nXXZ=×≈ΩX214%Zn()2'1dd1006.3350.51.8270.50.19127.932.4263006.253800nXXXZ×=−×=−×××=Ω≈×X1250%Zn,2s(0.40.5)Pgn3.2.5[22]102setting1006.335()20.13.2263006.253800Z×=×××≈Ω×≺≺nn10011.547335nUZI===Ω××17Z/3.22/11.54727.9%nZ=≈Z26Zn,2S3.2.6300MW[24]3-23-2/Hz/min/s/Hz/min/s51.5303048.030030051.018018047.5161648.5~50.547.01010300MW51.5Hz,3.0S47.5Hz3.0S3.2.7[25]0.7Un1s1.2Un,0s3.2.8185Sn,5Sn,5S3.2.91.05CTPT0.950.95AI62.4800595.095.095.095.057305.1≈÷×÷÷÷÷×≥ornI92.0≈0.1InI1In,5S[26]3.33.3.1321980[27]100,CT3-2K1[28-29]326kV80Un3-33-3326kV201E3.3.23-43-4IE32IE3.4214[30]4.14.1.11)2)3)[30],[31-32]4.1.2[33-34]1)2)223)4)[35]4.1.3,,,,,,,,4.21)60234-14-1[36]100MW2)AVR100Hz400500Hz3)244-24-2100Hz100Hz20s4)4-34-3251)2)PSS3)4.34.3.11)2)3)4)5)101595%47.5Hz75%4.95kV98%90%40%75%4.3.21)262)3)AVR4)5)901104.3.356MW[37]1AVR11%231232271233%0.2123312124302812341/30~1/505[38]4-212294.4[39]PMG()4-1304-1U(%)()±1±30.5s90()±1≤0.3s90()±1±2≤0.3s90PMG()≤±0.50.5s904.54-2PMG()PMG()4-4()4-4()PMG()4-2PMG()314-2/sU%()0.5±1±3()≤0.3±1±2()≤0.3±10.1±0.25±3PMG()0.5≤±0.54.612[40]3324PTPTPTPTPT5U/fU/f,U/fU/fU/f61.11.34.63355.112341235.216kV1015275%4.95kV1107.2kV398%90%40%34475%565.3WFLC5-15-1WFLCWFLCUldIldUfdIfdU1U4PTCTCTUld5-2WFLC355-2WFLC5-35-45-53P,Ugen,QIAspeed,losepower5-3365-45-56.3kV15s77s34561000V,85UN75UN2s375.4AP100048V5-65-75-65s385-70s5-65-76kV500%-800%,[41][42]5.5[43]391)6kV6kV6kV6kV6kV51016kV346kV1000kW16kV126kV6kV2)5-8[44]5-86kV405.61ES.E.M.T.PIELSTICK(MTU5-15-1JeumontSchneiderTFHY2000-6/1430SAT83-112-42000kW5400kW1000/1500/6300V6600kV229AJeumontSchneiderGECALSTOMKatoEngineeringRP25680A2699300006000kW1600kW500/1500/6300V6300V687A183AALSTOMSiemensP160061DK39414BE02-Z8200kW5500kW500/1500/6300V6300V939A687A,,,,,,,DL/T5153-2002DL/T5153-2002D41123D45.1/])25.1([DmqcePKKnS