简介:摘要文章介绍中了电力系统中性点的运行方式和泵站系统短路电流计算的情况,可为中小型泵站电气设计提供参考
简介:-AringmodelisdevelopedtoinvestigatetheultimatestrengthoftubularXandXXjointsinthecasethatthebraceiscompressed.Inthepresentanalysis,thetubularjointismadeofelasto-perfectly-plasticmaterial,andthearchelementofthechordsectionintersectingwiththebraceisassumedtoberigid.Itisfoundthatwhen6plastichingesforXjointand8plastichingesTorXXjointappearinthering,thelimitstateisreached,andbymeansoftheequivalentringwidthBeformulaproposedinapreviouspaperbytheauthors,theultimatestrengthoftubularXandXXjointssubjectedtocompressioncanbeobtained.