Extinguishing tip
Interruption of DC-powered circuits
Article REF: D4700 V1
Extinguishing tip
Interruption of DC-powered circuits

Author : Yves PELENC

Publication date: May 10, 2002 | Lire en français

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3. Extinguishing tip

3.1 General

If the dynamic characteristic were merged with the static characteristic ui = P, as we initially assumed, the arc voltage would reach a theoretically infinite value at the moment the current is cancelled. Fortunately, the reality is different.

The real characteristic passes through a maximum shortly before the current is cancelled; this is the extinction peak 1.4

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