农村电网线损计算分析与降损措施分析

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1、difficultyinthecalculationoftheorynetworklossofdistributionnetworkiscomputingvariableloss．Thecommonmethodsingeneraltheorycomputationaretheroot—mean—squareelectriccurrentlaw，themeancurrentlawandsoon，Comparedwiththehighvoltagetransmissionsystem，for10kVandbelowdi

2、stributionnetwork，thenetworkstructureisradial，themodelsofequipmentaremany，themainfeederhasmanybranches，therearedifferentcapacitydistributiontransformers，andthenetworkstructurechangesfrequently．Therefore，calculatingtothelinelossofdistributionnetworkusuallyusest

3、heapproximatesimplificationalgorithm．Themainalgorithmmethodsofthelinelossofdistributionnetworkaretheroot—mean—squareelectriccurrentlaw，themaximumcurrentlaw，themeancurrentlaw,theequivalentresistancelawandsoon．Itformulatesthemeasureplanformanalysistheproblemsofs

4、tructureofpowernetworkinvariousperiodsandthetechnologyconditionofpowersupplyequipmentbylinelosscomputation．Takingtheeffectivetechnicalmeasureistheimportantwaytoreduceelectricalenergylossofpowernetwork．Accordingtothelinelosscomputationfromtheactualsituation，ita

5、doptsthefollowingmeasurestoreduceloss．Therearedoingwelltheplanandconstructionofpowernetwork，regulatingthelayoutofnetwork，transformingtheboostnetwork，simplifyingthevoltagegrading，rationallyadjustingtheoperatingvoltage，reducingthepowersupplyradiusandcircuitouspo

6、wersupply，replacingthethickwiresectionandhighenergytransformer，increasingreactivepowercompensationcapacityandSOon．Inreducinglossmeasures，promotingtheuseofreactivepowercompensationisanimportantmeans．Inthecountrysidepowersupplysystem，thepowerofcountryindustriesi

7、srelativelyconcentrated，moreoverthepoweroftheagricultureandtheruralindustryhasthecharacteristicswhicharelongline，manybranches，loaddispersed，lowpowerfactor，long·timefree—load—operationofequipmentandthegreaterpowerloss．Henceithasdecidedthemainfunctionandthemaxim

8、umefficiencywhichistoreducethelossandeconomizeonpoweraswellastakingintoaccounttheregulationvoltage．Accordingtotheanalysisof10kVandbelow,thereactivelossaccountsfor70％，reactivelossin