Directional detection of a fault, in particular in a network with compensated or insulated neutral

• Main Authors: CUMUNEL, PASCAL, VERNEAU, GUILLAUME
• Format: Patent
• Language: English; French; German
• Published: 11.06.2014
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The device has a first module (20) to provide a signal representative of homopolar voltage (V0) of a set of phases. A second module (40) provides a signal representative of derivative with respect to a time of homopolar current (I0). An activation unit activates the second module according to a dete...