Electromagnetic compatibility - Environment – Overvoltages on public electricity distribution networks
This Malaysian Standard specifies the electromagnetic environment with respect to the voltages in excess of normal that are found on electricity supply networks operating at low and medium nominal voltages and that can be impressed on equipment connected to those networks, without considering further effects (e.g. amplification or attenuation) within an installation. Since these overvoltages have the potential to hinder the functioning of electrical and electronic equipment, they fall within the definition of electromagnetic disturbance in the field of EMC. Various categories of overvoltage are described, based on relative magnitude, duration and energy content.
This standard describes the phenomena of overvoltages. It does not specify compatibility levels and does not directly specify emission and immunity levels.
The standard describes the various phenomena and processes that cause overvoltages, including the transfer into the networks concerned of overvoltages that originate in o
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15/04/2019
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NSC 05 - Generation, Transmission & Distribution of Energy
