Electronic differential switch
An electronic differential switch is provided that is connected to a phase cable and a neutral cable of an electric network. The electronic differential switch includes a first winding associated with a second winding, at least one toroid associated with the first winding, a diode bridge, a driving...
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| creator | Aiello, Natale |
| description | An electronic differential switch is provided that is connected to a phase cable and a neutral cable of an electric network. The electronic differential switch includes a first winding associated with a second winding, at least one toroid associated with the first winding, a diode bridge, a driving relay for a main switch connected to the phase and neutral cables, an integrated circuit for measuring a differential current flowing in the first winding and generating a driving signal, and at least one driven switch coupled to the integrated circuit and driven by the driving signal. The first and second windings are coupled to one another through the integrated circuit and the diode bridge. The at least one driven switch is coupled to the driving relay through the diode bridge so as to excite the driving relay and close the main switch, or release the driving relay and open the main switch. Also provided is a method for controlling an alarm condition in an electric network. |
| format | Patent |
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The electronic differential switch includes a first winding associated with a second winding, at least one toroid associated with the first winding, a diode bridge, a driving relay for a main switch connected to the phase and neutral cables, an integrated circuit for measuring a differential current flowing in the first winding and generating a driving signal, and at least one driven switch coupled to the integrated circuit and driven by the driving signal. The first and second windings are coupled to one another through the integrated circuit and the diode bridge. The at least one driven switch is coupled to the driving relay through the diode bridge so as to excite the driving relay and close the main switch, or release the driving relay and open the main switch. 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The electronic differential switch includes a first winding associated with a second winding, at least one toroid associated with the first winding, a diode bridge, a driving relay for a main switch connected to the phase and neutral cables, an integrated circuit for measuring a differential current flowing in the first winding and generating a driving signal, and at least one driven switch coupled to the integrated circuit and driven by the driving signal. The first and second windings are coupled to one another through the integrated circuit and the diode bridge. The at least one driven switch is coupled to the driving relay through the diode bridge so as to excite the driving relay and close the main switch, or release the driving relay and open the main switch. 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The electronic differential switch includes a first winding associated with a second winding, at least one toroid associated with the first winding, a diode bridge, a driving relay for a main switch connected to the phase and neutral cables, an integrated circuit for measuring a differential current flowing in the first winding and generating a driving signal, and at least one driven switch coupled to the integrated circuit and driven by the driving signal. The first and second windings are coupled to one another through the integrated circuit and the diode bridge. The at least one driven switch is coupled to the driving relay through the diode bridge so as to excite the driving relay and close the main switch, or release the driving relay and open the main switch. Also provided is a method for controlling an alarm condition in an electric network.</abstract><oa>free_for_read</oa></addata></record> |
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| source | USPTO Issued Patents |
| title | Electronic differential switch |
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