A physical arc model for the simulation of current zero behavior of high-voltage circuit breakers

Autor: W.R. Rutgers, L. van der Sluis, C.G.A. Koreman
Rok vydání: 1992
Předmět:
Zdroj: IEEE Transactions on Power Delivery. 7:1016-1022
ISSN: 0885-8977
DOI: 10.1109/61.127112
Popis: The interrupting capability of SF/sub 6/ circuit breakers has increased drastically during the last decade. After the development tests, high-voltage circuit breakers are tested in the high-power laboratory, where test conditions prescribed by standards and switching conditions in electrical transmission networks are simulated. It is important that the test circuits used in the laboratory give a correct representation of the current and voltage stress. The equations and parameters of a physical arc model are presented which can be used to compare test circuits with respect to the thermal and dielectric interrupting interval of SF/sub 6/ circuit breakers. An example calculation with the alternative transient program (ATP) shows the interruption of a terminal fault with a 4-parameter TRV. The sensitivity of the arc model in the thermal interrupting interval is demonstrated by comparing artificial line circuits. >
Databáze: OpenAIRE