Switching energy
Interruption of DC-powered circuits

Article REF: D4700 V1

Switching energy
Interruption of DC-powered circuits

Author : Yves PELENC

Publication date: May 10, 2002 | Lire en français

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5. Switching energy

5.1 General

The energy W _J expended in the switch's variable arc resistor is given by the integral, during the switch-off time, of the instantaneous power dissipated in this resistor:

W_{J} = \int_{0}^{T_{C}} r i^{2} d t = \int_{0}^{T_{C}} u i d t =

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Switching energy

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Using a capacitor in parallel with the arc

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References

- De façon générale, on se reportera utilement aux travaux du Groupe 13 Appareillage de coupure de la Conférence Internationale des Grands Réseaux Électriques (CIGRE), publiés dans la revue Electra et dans les comptes rendus des sessions qui se tiennent à Paris les années paires. Pour la moyenne tension, on se référera aux travaux des Congrès Internationaux des Réseaux...

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