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Standards Development
This part of IEC/IEEE 60099 covers metal-oxide line surge arresters (LSA) that may be Non-Gapped Line Arresters (NGLA) or Externally Gapped Line Arresters (EGLA) for use on transmission and distribution power lines with system voltages > 1kV a.c., to mainly protect insulator assemblies from lightning-caused flashovers.
1.1 Purpose
To define tests that demonstrate that the line surge arrester (LSA) can survive the rigors of reasonable environmental conditions and system phenomena while protecting equipment and/or the system from damaging overvoltages caused by lightning, switching, and other system disturbances.
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