IEEE C62.11A Standard for Metal-Oxide Surge Arresters for AC Power Circuits (>1 kV) Amendment 1: Short-Circuit Tests for Station, Intermediate, and Distribution Arresters
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IEEE C62.11A Document Information:
Title
Standard for Metal-Oxide Surge Arresters for AC Power Circuits (>1 kV) Amendment 1: Short-Circuit Tests for Station, Intermediate, and Distribution Arresters
The Institute of Electrical and Electronics Engineers, Inc.
Publication Date:
Mar 27, 2008
Scope:
This standard applies to metal-oxide surge arresters (MOSAs) designed to repeatedly limit the voltage surges on 48 Hz to 62 Hz power circuits (>1000 V) by passing surge discharge current and automatically limiting the flow of system power current. This standard applies to devices for separate mounting and to devices supplied integrally with other equipment.
NOTE—These tests demonstrate that an arrester 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 undesirable surges.1
Keywords:
- discharge voltage
- discharge current
- MOSA
- surge arrester
- MCOV
- maximum continuous operating voltage
- metal-oxide surge arrester
- duty-cycle voltage rating
- lightning protection
- valve arrester
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