Abstract: The invention relates to a method for detecting a fault in an electrical network (1) through which an AC current flows, the method comprising a step of acquiring three samples (S1, S2, S3) of a sinusoidal signal (S) that is representative of the current flowing in the network (1), the acquisition of each sample being spaced apart by a fixed sampling time (T), a step of calculating an amplitude (A) of the signal (S), the calculation of the amplitude (A) depending solely on the three acquired samples (S1, S2, S3) and being independent of the sampling time (T), a step of determining a fault if the calculated amplitude (A) is above a first predetermined threshold or if the calculated amplitude (A) is below a second predetermined threshold.

Abstract: In order to determine the occurrence of a fault, notably transient, in an electrical distribution network, a method and a device are developed based on the determination of the frequency (f) of the current signal circulating in a phase of the network. Notably, the difference between the determined frequency (f) and the natural frequency (f0) of the network is compared to a threshold.

Abstract: A method and a system of control of power consumption of communications between electrical modules of an electrical infrastructure, including a star-shaped communication network between a central module, or master module, and a set of slave modules, the master module being set up to be connected to the slave modules by non-wireline communications links in a star pattern, and a processing circuit set up to regulate the power levels of communications links at least in a direction of reception by the master module from at least one slave module or by at least one slave module from the master module.

Abstract: A method and a system of control of power consumption of communications between electrical modules of an electrical infrastructure, including a star-shaped communication network between a central module, or master module, and a set of slave modules, the master module being set up to be connected to the slave modules by non-wireline communications links in a star pattern, and a processing circuit set up to regulate the power levels of communications links at least in a direction of reception by the master module from at least one slave module or by at least one slave module from the master module.

Abstract: The invention relates to a method for detecting a fault in an electrical network (1) through which an AC current flows, the method comprising a step of acquiring three samples (S1, S2, S3) of a sinusoidal signal (S) that is representative of the current flowing in the network (1), the acquisition of each sample being spaced apart by a fixed sampling time (T), a step of calculating an amplitude (A) of the signal (S), the calculation of the amplitude (A) depending solely on the three acquired samples (S1, S2, S3) and being independent of the sampling time (T), a step of determining a fault if the calculated amplitude (A) is above a first predetermined threshold or if the calculated amplitude (A) is below a second predetermined threshold.

Abstract: In order to determine the occurrence of a fault, notably transient, in an electrical distribution network, a method and a device are developed based on the determination of the frequency (f) of the current signal circulating in a phase of the network. Notably, the difference between the determined frequency (f) and the natural frequency (f0) of the network is compared to a threshold.