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ANSI-IEEE C37.012-1979 - IEEE Application Guide For

Read or Download ANSI-IEEE C37.012-1979 - IEEE Application Guide For Capacitance Current Switching For AC High-Voltage Circuit Breakers Rated On A Symmetrical Current Basis PDF

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Extra info for ANSI-IEEE C37.012-1979 - IEEE Application Guide For Capacitance Current Switching For AC High-Voltage Circuit Breakers Rated On A Symmetrical Current Basis

Sample text

Elements of Power System Analysis. New York: McGrawHill, 1962, pp 114-133. [ 31 Electrical Transmission and Distribution Book. : Westinghouse Electric Corporation, 1950. [ 41 IEEE Committee Report Bibliography on Switching of Capacitive Circuits Exclusive of Series Capacitors, IEEE Transactions on Power Apparatus and Systems, vol PAS 89, Jun/Jul 1970, pp 1203-1207. 6. Revision of [ 5 ] PFLANZ, H. , and LESTER, G. N. Control of Overvoltages on Energizing Ca- American National Standards Referred to in this Document pacitor Banks, Paper T 72-541-1.

The situation will be more severe if there is also a bank of capacitors located on the source side of the circuit breaker. In addition to the checking of the crest current, it may be necessary also to check the rate of change of the discharge current with the manufacturer. The transient discharge current passing through a circuit breaker must also be examined for its effects upon the linear couplers and bushing current transformers. 1. This occurs because the contribution may come from a number of capacitor banks and is not limited by the inrush impedance seen when energizing a bank of capacitors.

0, respectively (1)R 2 - 110 R for double restrikes and less than three times normal voltage (2) R 2.

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