DC Overload Behavior of Low-Voltage Varistor-Based Surge Protective Devices

This letter provides evidence of a peculiar behavior of metal-oxide varistors under DC overvoltages. It stresses the need for extending the V-I characteristic of varistors in the time domain so as to accurately predict the dynamic performance of varistor-based surge protective devices under temporar...

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Veröffentlicht in:	IEEE transactions on power delivery 2020-10, Vol.35 (5), p.2541-2543
Hauptverfasser:	Tsovilis, Thomas E., Topcagic, Zumret
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption DC power systems Electronic devices Energy absorption Metal oxides Overloading Overvoltage Performance evaluation Power system dynamics Smart grid Static electricity Stress Surge protection Surge Protective Devices Surges Temporary Overvoltages Varistors
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