Insulators for overhead power lines; pin type insulators St, rated voltages 10 to 30 kV
适用范围:Insulators for overhead power-lines, pin typ insulators St, rated voltages 10 to 30kV
Conductors for overhead lines - Round wire concentric lay stranded conductors.
Composite String Insulator Units for Overhead Lines with a Nominal Voltage Greater Than 1 000 V. Part 1:Standard Strength Classes and End Fittings Isolateurs Composites Pour Lignes Aeriennes De Tension...
适用范围:Is applicable to composite string insulator units for a.c. overhead lines with a rated voltage greater than 1 000 V and a frequency not greater than 100 Hz. It also applies to insulators of similar des...
实施日期:1997-02-01
Overhead lines - Calculation of the electrical component of distance between live parts and obstacles - Method of calculation
发布日期:2001-07-04 实施日期:2001-07-04
Hartgezogene Aluminiumdraehte fuer Freileitungsseile Hard Drawn Aluminium Wire for Overhead Line Conductors Fil d'aluminium ecroui dur pour conducteurs de lignes aeriennes
适用范围:This standard is applicable to hard-drawn wires for the manufacture of stranded conductors for overhead power transmission purposes. It specifies the mechanical and electrical properties of wires in th...
实施日期:1997-05-15
Optical fibre cables - Part 4-20: Aerial optical cables along electrical power lines - Family specification for ADSS (All Dielectric Self Supported) optical cables
适用范围:IEC 60794-4-20:2012(E) is a family specification, covers optical telecommunication cables, commonly with single-mode fibres to be used primarily in overhead power lines applications. The cable may also...
发布日期:2012-10-25 实施日期:2012-10-25
适用范围:本标准适用于在广播电视网规划之内,接收信号的频率在VHF(1。)和VHF(I)频段的新建电视差转台、转播台的台址选择。并适用于交流架空电力线路和变电所的新建、改建和扩建工程。
实施日期:1991-07-31
Railway applications - Fixed installations - Electric traction - Specific requirements for composite insulators used for overhead contact line systems
适用范围:IEC 62621:2011 specifies characteristics for composite insulators of electric traction overhead contact line systems for railways, as defined in IEC 60913. Insulators specified in this standard are app...
发布日期:2011-06-29 实施日期:2011-06-29
Insulators and fittings for overhead lines. Metal fittings. Stay-hook (CR).
实施日期:1978-08-01
Insulators for low voltage power lines Part 1:Insulators for low voltage overhead power lines
实施日期:1998-04-01
Transformers; Bushings for Indoor and Outdoor Types; Insulation Class 3 N for 250 A to 3150 A, Single Parts
适用范围:Indoor and outdoor transformer bushings insulation class 3 N, 250 to 3150 A, component parts
实施日期:1998-03-19
实施日期:1997-09-16
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