REDUCING INRUSH CURRENT TO A CAPACITOR BANK

REDUCING INRUSH CURRENT TO A CAPACITOR BANK

A method for reducing inrush current to an ungrounded capacitor bank when re-closing a switching device. The method includes opening the switching device, including breaking the current of a first phase of the three phases, and after a predetermined opening time period simultaneously breaking the cu...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Bianco, Andrea, Lindell, Elisabeth, Taborelli, Carlo, Halén, Stefan
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Beschreibung
Zusammenfassung:A method for reducing inrush current to an ungrounded capacitor bank when re-closing a switching device. The method includes opening the switching device, including breaking the current of a first phase of the three phases, and after a predetermined opening time period simultaneously breaking the currents of a second phase and a third phase of the three phases. The method also includes re-closing the switching device, including simultaneously making the respective currents of the second and third phases, and after a predetermined closing time period making the current of the first phase.