GBT2900.1-1992-电工术语.基本术语.pdf

《GBT2900.1-1992-电工术语.基本术语.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、UDC621.3:001.4卜U4(rig中华人民共和国国家标准GB!T2900.1一92电工术语基本术语ElectrotechnicalterminologyFundamentalterms1992一06一19发布1993一03一01实施国家技术监督局发布目次主题内容与适用范围······························.··.·........·.................·..·..........··....··⋯⋯〔工)基本概念··································································

2、·································⋯⋯(I)电学、磁学、电磁学·······················································································⋯⋯(7)电路和磁路6电和磁的器件:::;s电气安全···································································································⋯⋯(4a)7电气制图·············，··············

3、·······································································⋯⋯(46)中文索引·········································································································⋯⋯(48)英文索引······································································································

4、··⋯⋯(58)中华人民共和国国家标准电工术语基本术语Gs/T29001一92代替GB2900.1-82ElectrotechnicalterminologyFundamentalterms本标准参照采用国际电工委员会(IEC)出版物50(101)(电工数学》,50(111)《物理和化学》、50(121)《电磁学》,50(131)(电路和磁路》,50(151)(电和磁的器件)及50(901)(磁学》。主题内容与适用范围本标准规定了电工术语中的基本术语。本标准适用于制定标准、编订技术文件、编写和翻译专业手册、教材及书刊。基本概念2.1几何概念2门·1标量scalarquantity在一已定单

5、位制中可用一个数(实数或复数)来表征的量。2门2矢量vectorquantity在n维空间内可用按给定次序的。个标量来表征的量。2.1.3场field存在于一个区域内所有的点上的一种(物理)量，或指分布所在的区域。2.1.4矢量场vectorfield可用一个矢量来表示其每一点的状态的场。2.1.5均匀场uniformfield在一空间内的各点上其强度和方向都相同的场。2.1.6交变场alternatingfield具有一定方向且强度是一交变量的场2门.7旋转场rotatingfield对于一个给定的旋转参考系统是不变的场2.1.8矢量的通量(通过表面的)fluxofavectorquan

6、tity(acrossasurface)其微分元是所指矢量与矢量面元之标量积的面积分。2.1.9守恒通量conservativeflux在由同一围线所限的全部能定向的面上，其通量数值均相同的矢量通量。2.1.10力线lineofforce在其所有点上都与对应的矢量方向相切的线。2.1.11力管tubeofforce国家技术监督局1992一06-19批准1993一03一01实施GB/T29001一92与一闭合围线相交的全部力线所包围的那部分空间。同义词:力线束2.1.12单位管unittube有单位通量通过的管。2.1.13散度(矢量场的)divergence(ofavectorfield)

7、从一个闭合面发出的通量除以该闭合面所包容的体积之商，当该体积的所有尺寸趋于无穷小时的极限的一个标量。n·几AdivI二17.7二Jl-imofdr2.1.14零散度场zerodivergencefield散度为零的矢量场。同义词:螺线场solenoidalfield15环流量circulation对一个闭合路径的标量线积分。2.1.16旋度(矢量场的)curl(ofavectorfield);rotation(ofave