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IEEE Std C37.09a-2005 (Amendment to IEEE Std C37.09-1999) - American National Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis Amendment 1: Capacitance Current Switching

Description: Amendment to Std. C37.09-1999. Reaffirmed September 2007. The scope of IEEE Std C37.09a-2005 is to incorporate IEC 62271-100 capacitance current switching treatment into the circuit breaker test code. This applies to Circuit Breakers above 1000V ac.
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