简介：1.MainachievementsofenvironmentalprotectionFrom1987to1994,withdoublingoftheinstalledgeneratingcapacity,thecoalconsumptionofpowerplantsdoubledaswell.Powerindustryhasbeenfacingthechallengefromenvironmentalprotection.Inordertopromotethecoordinateddevelopmentofpowerindustryandenvironmentalprotection,powersector:

简介：HydropowerdevelopmentinChinahasachievedgreatsuccessandbenefitsnotonlyinthegrowthofna-tionaleconomy,butalsointheimprovementofenvironment,126.4TWhhydroelectricitygeneratedin1990substitutedmorethan60milliontonsofcoalwhichwouldotherwisebeburntinthermalpowerplantswithallharmfulemissionstoatmosphere,noneedtosaythe

简介：Basedontheexperienceofenvironmentalacceptancetestsforpowertransmissionprojects,theproblemsfoundinacceptancetestsandthesystemshortcomingsofacceptancetestitselfareanalyzed.Recommendationsareprovidedtoimprovethefuturework.

简介：Thestrengthofthepowerfrequencyelectricintensityandmagneticfieldofthe500-kVdoublecircuittransmissionlineswascalculatedbyusingtheequivalentchargemethodandtheAmpere'sLaw,andtheenvironmentalimpactfactorsofthefieldswereevaluated.Byoptimizingthephasesequence,thefrequencyelectricintensityandmagneticfieldstrengthcanbereduced.Withinadistanceof25mfromthecenterofthetransmissionline,thepowerfrequencyelectricintensityandmagneticfieldstrengthfalloffsharplywiththedistanceincrease.Finally,thebestphasesequenceandtheminimumgroundclearanceofthetransmissionlineswereobtainedtomeettherequirementsoftheleastimpactonenvionment.

简介：AttheinvitationofInternationalCooperationCenter,Ja-panElectricPowerInformationCenter,Inc.,onOcto-ber1-13,1990,aChinesedelegationonelectricpowerenvironmen-talprotection,composedoffourexperts,visitedJapan,lookingaroundsomeadvancedthermalpowerplantsandattendingthepaneldiscussiononenvironmentalcountermeasuresforthermalpowerplantsmadebyJapaneserelevantspecialists.ThedelegationwasmuchimpressedwiththeJapanesetasksandachievementsinthefieldofenvironmentalprotection.