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An improved Mayr-type arc model based on current-zero measurements [circuit breakers]

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2 Author(s)
Schavemaker, P.H. ; Power Syst. Lab., Delft Univ. of Technol., Netherlands ; van der Slui, L.

In this paper, it is shown that the Mayr-type arc models can be used to describe circuit breaker arc behavior before current zero exactly. Based on this analysis, the different types of `modified' Mayr arc models can be explained. As a result of the theory, an improved Mayr-type arc model-with a constant time parameter and a cooling power which is dependent on the electrical power input-is introduced and used to reproduce current zero measurements successfully

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Power Delivery, IEEE Transactions on  (Volume:15 ,  Issue: 2 )