简介:China'spowerconsumptionisexpectedtorise4percentto6percentyear-on-yearinthefourthquarterasthecountry'seconomyisstabilizing.Thatwillbringelectricityconsumptionintheentireyearto4.94TWh,up5percentfromayearearlier,theChinaElectricityCouncilsaidonOctober30.AccordingtoCEC,thecountry'stotalinstalledpowergenerationcapacitywillhit1.14TWhattheendofthisyear.Powerdemandandsupplywillbebalancedbecausethereare
简介:PurchasetransactionsatgenerationsideIn2011,thepurchasetransactionsofelectricitycarriedoutbytheStateGridCorporationofChina(SGCC)amountedto3047TWhatgenerationside(powerplantsunderunifieddispatch),up12.6%onayear-on-yearbasis.Ofallthepurchasetransactions,2612TWhwerethermalpower,349.4TWhhydropower,41.2TWhwindpower,and44.4TWhwereotherpowersources.Thepurchasetransactionsofelectricityatthegenerationsideintenprovincial-levelgridstotaledmorethan100TWh.TheseincludetheNorthHebei,Hebei,Shanxi,Shandong,Jiangsu,Zhejiang,Fujian,Henan,Sichuan,andLiaoninggrids.ThepurchasetransactionsintheJiangsugridreached338.7TWh,rankingfirstamongallprovinces.NingxiaandXinjiangsawratherlargegrowthinthepurchasetransactionofelectricityatthegenerationside.ThegrowthrateinNingxiawas75%.Table1showsthepurchasetransactionsofelectricityatthegenerationsidein2011.
简介:Beforethe2012SpringFestival,China'sfivebigpowergenerationgroups,i.e.ChinaHuanengGroup,ChinaDatangCorporation,ChinaGuodianCorporation,ChinaHuadianCorporationandChinaPowerInvestmentCorporationseparatelyheldtheirannualworkingconferencetosumuptheachievementsin2011andarrangetheworkingplanfor2012.
简介:基于二维有限元法,分别对磁通切换双凸极电动机(FSPM)的静态场和瞬态场进行了有限元计算,着重探讨了6/7极FSPM结构及特性,并与6/5极FSPM进行对比研究。研究结果表明,6/7极FSPM比6/5极具有更小的齿槽转矩,磁链和反电势波形具有更好的正弦性。