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POWER SUPPLY AND DISTRIBUTION SYSTEMABSTRACTThe basic function of the electric power system is to tr

... POWERSUPPLYANDDISTRIBUTIONSYSTEM ABSTRACT Thebasicfunctionoftheelectricpowersystemistotransportthe electricpowertowardscustomers.Thel0kVelectricdistributionnetisa keypointthatconnectsthepowersupplywiththeelectricityusingon theindustry,businessanddaily-life.Fortheelectricpower,allcostumers expecttopaythelowestpriceforthehighestreliability,butdon't considerthatit'sself-contradictoryintheco-existenceofeconomyand reliable.Toimprovethereliabilityofthepowersupplynetwork,we mustincreasetheinvestmentcostofthenetworkconstructionBut,if thecostthatimprovethereliabilityofthenetworkconstruction,butthe investmentonthiskindofconstructionwouldbeworthlessifthe reducinglossisonthepower-offislessthantheincreasinginvestment onimprovingthereliability.Thuswefindoutabalancepointtomake themosteconomic,betweentheinvestmentandthelossbycalculating theinvestmentonpowernetandthelossbroughtfrompower-off. KEYWARDSpowersupplyanddistribution,powerdistribution ： reliability，reactivecompensation,loaddistribution ....