FIRE PROTECTION SWITCH AND METHOD

The invention relates to a fire switch for an electrical three-phase AC circuit having three phase lines, comprising: a sensor unit associated with the three phase lines for detecting electrical variables of the three-phase AC circuit, a control unit connected to the sensor unit, the circuit is used...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hueber, Alexander, Mayer, Christian, Martel, Jean-Mary, Dhanraj, Vinod Gideon
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS EMERGENCY PROTECTIVE DEVICES GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS RELAYS SELECTORS TESTING
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Beschreibung
Zusammenfassung:	The invention relates to a fire switch for an electrical three-phase AC circuit having three phase lines, comprising: a sensor unit associated with the three phase lines for detecting electrical variables of the three-phase AC circuit, a control unit connected to the sensor unit, the circuit is used for analyzing the electrical parameters, determining series and/or parallel fault arcs and outputting fault arc identification signals to interrupt the electrical three-phase alternating current circuit. According to the invention, a display unit is provided, which is designed in such a way that, in the event of a fault arc, the phase reference of the fault arc occurring is displayed.