配电变压器负载率效率与经济运行的探讨

(710032),,1,,,,,,,,017018,,,,,,,,,,,2:(1)P0,,(2)Pk,(3)Q0,,Q0=SeI0%10-2(4)Qk,,QkQk=SeUk%10-2SeIo%Uk3(1),,,,,,jp=P0/Pkjz=(P0+KQ0)/(Pk+KQk)K,0102011jpjz70jp0140155,jp0145708025%,,(2),,,P=P0+2PkP%=PP1100%=P(SNcos+P)100%=(1-PP2+P)100%P1P2,P2=P1-P0PP%7420014©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:S91000/10,P0=1155kW,Pk=7151kW,cos=0190,,,11S91000/10(Se=1000kVA)P/kWP(%)(%)191060199799100186135640187599112016412536017899122014217516017699124013212259018299118012118504110298198011116251117798123010511568831379616301011155081417851301:,98%0140145,,0121,012018,016,=1(=1,P=9106;=016,P=4125)(3),,315kVA,cos0190,S9,,22:,,800kVA01375,01450131,,,,,013,013=0115=0175,98%0115,,(,)2/kVAP/kWP(%)(%)315110319511374981634000175310541111898188500016021638019689910363001476214470189999110800013752121501841991191000013321368017919912112500124214390189599111160001187521719019979910020000115310251110898189(4)315kVA,S9,,,3,3/kVAW/kWhX/Y//315110011613394840001758979305350001607756263763001475719424468000137565122214100001336962236712500124717124381600011875799427182000011588943024W=PT(kWh)X=F1W()Y=X+F2()8420014©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.W,=017T,4200h()XF1,F1=0134/kWh()YF2(,3Y),F1F219993:(=013110),,,,,315kVA,630kVA800kVA,,,,,,,,,,3,,,,,DiscourseontheLoadedRatedandEfficiencyofDistributionTransformerandwhichoftheEconomicOperatingLiAnren(XianElectricalPowerSupplyCompany)AbstractItstatedimpresslytheoperatingoftransformers,underthenormalconditions,andthewayswhichhowtoadjusttheoperatingofdistributiontransformersrationally,sothatwhichtolowerconsumptionandeconomizetheresourcesofelectricalpower,andwhichhasbeenoperatedeconomicallyac2cordingwiththegoodeffects1Keywordsdistributiontransformerloadedratesefficiencyactivepower:20001212(40),(2),,,,:();();,;;();(3),,,:200101039420014©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.