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Reference P-IEC 61472 ed2.0 withdrawn corrigendum

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Title Versión Oficial En español (Incluye el Corrigendum1 de mayo de 2005 - Trabajo) o de 2005 - Trabajos en tensión. Distancias mínimas de aproximación para redes de corriente alterna con tensión comprendida entre 72,5 kV y 800 kV. Método de cálculo
Publication date 2004-07-15
Format, price
(Swiss francs)
and language
230.- 85 pages
230.- 409 Kb
 
Abstract Describes a method for calculating the minimum approach distances for live working, at maximum voltages between 72,5 kV and 800 kV. This standard addresses system overvoltages, and the working air distances between parts and/or workers at different potentials. The required withstand voltage and minimum approach distances calculated by the method described in this standard are evaluated taking into consideration the following: - workers are trained for, and skilled in, working in the live working zone; - the anticipated overvoltages do not exceed the value selected for the determination of the required minimum approach distance; - transient overvoltages are the determining overvoltages; - tool insulation has no continuous film of moisture present on the surface; - no lightning is seen or heard within 10 km of the work site; - allowance is made for the effect of conducting components of tools; - the effect of altitude on the electric strength is taken into consideration. For conditions other than the above, the evaluation of the minimum approach distances may require specific data, derived by other calculation or obtained from additional laboratory investigations on the actual situation.
Technical Committee 78 - Live working  RSS
ICS Codes
13.260 Protection against electric shock. Live working
*Including tools for working with voltages

29.260.99 Other electrical equipment for working in special conditions

29.240.20 Power transmission and distribution lines
 
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