Surge Voltages in AC Power Circuits - ANSI/IEEE Standard C62.41
IEEE Standard 587, Guide on Surge Voltages in AC Power Circuits Rated up to 600V
This well-established U.S. standard presents and describes the traditional impulse wave for short branch circuits, at or near the circuit breaker box. Categories A and B for long and short branch circuits are established. Peak voltages that occur are given as a function of various exposure levels. In addition, surge energy (available surge current) is specified. The standard also presents the 100 kilohertz damped cosine wave form called a Ring Wave to simulate oscillatory wave shapes found on branch circuits.
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