Abstract: A monitoring method uses an electricity meter arranged to measure an electricity consumption of an installation and including a current limiter arranged to selectively limit a current supplied to the installation. The monitoring method includes he steps, repeated each current day, for each current period of a predetermined set of at least one successive period defined in the current day, of: verifying a first predetermined condition associated with said current period; if the first predetermined condition is verified, activating the current limiter to limit the current supplied to the installation until the end of said current period.

Abstract: An electricity meter includes a housing including at least one housing element that is normally closed; a supercapacitor and a power supply circuit arranged to act, whenever the electricity meter is put into connection with electric power, to charge the supercapacitor; both a charge-maintaining circuit arranged to act, whenever the meter has been taken out of connection with electric power, to prevent the supercapacitor from discharging so long as the housing element remains closed, and also a discharge circuit arranged to discharge the supercapacitor in the event that the housing element is opened; a processor circuit arranged to act, after the meter is put back into connection with electric power and in the event that the supercapacitor is discharged, to detect that the housing element has been opened since the meter was taken out of connection with electric power.

Abstract: A system comprising a meter and a circuit breaker, the electricity meter comprising: a primary processing component designed to acquire a primary power supply parameter and to produce, from the primary power supply parameter, a primary command intended to control the opening or closure of a line; a primary transceiver designed to transmit the primary command; the circuit breaker comprising: a disconnection unit; a bistable relay designed to open or close the disconnection unit; a secondary receiver designed to receive the primary command; a secondary processing component designed to acquire the primary command and to control the bistable relay so as to open or close the disconnection unit on the basis of the primary command.

Abstract: A method of adjusting an electricity meter (1), the method comprising the steps of: measuring the frequency of the distribution grid (3); if the difference between the frequency of the distribution grid and a first frequency is less that a first predetermined threshold, adjusting the measurement module (10) by using first calibration parameters that were produced during a stage of calibrating the meter; if the difference between the frequency of the grid and the first frequency is greater than or equal to the first predetermined threshold, calculating second calibration parameters from the first calibration parameters and from adaptation parameters, and adjusting the measurement module (10) by using the second calibration parameters.

Abstract: Electricity meter, arranged to measure electrical energy supplied to an installation by a distribution network comprising a plurality of phases, the electricity meter including a communication module arranged to implement a communication by power-line communication; a switching circuit arranged to selectively connect the communication module to one of the phases; a processing unit arranged to control the switching circuit so as to connect the communication module to an optimised phase, from among the phases, which is selected dynamically to optimise a quality of the communication by power-line communication.

Abstract: A method of evaluating the accuracy of an electricity meter, the method comprising: a preliminary stage comprising a step of acquiring first measurements of a first electrical magnitude, and a step of detecting a period of stability; a test stage comprising a step of injecting a test current into a conductor of the electricity meter, and a step of acquiring at least one second measurement of the first electrical magnitude; an evaluation stage comprising a step of comparing the second measurement of the first electrical magnitude with the sum of a first stability value representative of the first electrical magnitude during the period of stability plus a predefined value corresponding to the expected increase in the first electrical magnitude due to injecting the test current, and a step of evaluating the accuracy of the meter from said comparison.

Abstract: An electricity meter includes at least one phase conductor and a neutral conductor, an internal cut-off device includes at least one phase cut-off member connected in series with the phase conductor, and at least one detector circuit for acting when the internal cut-off device is open to detect whether a circuit breaker of the installation is open or closed. The electricity meter includes coupling components connected, downstream from the internal cut-off device, to an injection conductor selected from the phase conductor and the neutral conductor, and an injection component arranged to apply a reference voltage to the injection conductor via the coupling capacitor; and connection components connected to a measurement conductor selected from the phase conductor and the neutral conductor, and a measurement component arranged to measure a measurement voltage across the terminals of one of the connection components, the measurement voltage being representative of an impedance of the installation.

Abstract: A receiving device for receiving PLC signals, including a filtering stage linked to an input of the receiving device and configurable in at least two modes including a default mode, wherein the filtering stage passes at least first PLC signals included in a first frequency band and second PLC signals included in a second frequency band separate from the first frequency band, and a first selection mode, in which the filtering stage passes the first PLC signals and stops the second PLC signals; and a processing circuit linked to the filtering stage and arranged to receive frames of PLC signals, and, for each received frame, to analyse a preamble of the frame, and to dynamically configure the filtering stage in the first selection mode if the frame is a frame of first PLC signals.

Abstract: An electricity meter includes at least one phase conductor and a neutral conductor, an internal cut-off device includes at least one phase cut-off member connected in series with the phase conductor, and at least one detector circuit for acting when the internal cut-off device is open to detect whether a circuit breaker of the installation is open or closed. The electricity meter includes coupling components connected, downstream from the internal cut-off device, to an injection conductor selected from the phase conductor and the neutral conductor, and an injection component arranged to apply a reference voltage to the injection conductor via the coupling capacitor; and connection components connected to a measurement conductor selected from the phase conductor and the neutral conductor, and a measurement component arranged to measure a measurement voltage across the terminals of one of the connection components, the measurement voltage being representative of an impedance of the installation.

Abstract: A system comprising a meter and a circuit breaker, the electricity meter comprising: a primary processing component designed to acquire a primary power supply parameter and to produce, from the primary power supply parameter, a primary command intended to control the opening or closure of a line; a primary transceiver designed to transmit the primary command; the circuit breaker comprising: a disconnection unit; a bistable relay designed to open or close the disconnection unit; a secondary receiver designed to receive the primary command; a secondary processing component designed to acquire the primary command and to control the bistable relay so as to open or close the disconnection unit on the basis of the primary command.

Abstract: A receiving device for receiving PLC signals, including a filtering stage linked to an input of the receiving device and configurable in at least two modes including a default mode, wherein the filtering stage passes at least first PLC signals included in a first frequency band and second PLC signals included in a second frequency band separate from the first frequency band, and a first selection mode, in which the filtering stage passes the first PLC signals and stops the second PLC signals; and a processing circuit linked to the filtering stage and arranged to receive frames of PLC signals, and, for each received frame, to analyse a preamble of the frame, and to dynamically configure the filtering stage in the first selection mode if the frame is a frame of first PLC signals.

Abstract: Method for detecting a fault in an electricity meter including a breaking unit, the fault producing an abnormal temperature increase in the meter, the detecting method comprising the steps of: measuring a magnitude of an electrical current flowing through the breaking unit; measuring an interior temperature in proximity to the breaking unit; and detecting the presence or absence of the fault on the basis of the measured magnitude and the measured interior temperature.

Abstract: Method for detecting a fault in an electricity meter including a breaking unit, the fault producing an abnormal temperature increase in the meter, the detecting method comprising the steps of: measuring a magnitude of an electrical current flowing through the breaking unit; measuring an interior temperature in proximity to the breaking unit; and detecting the presence or absence of the fault on the basis of the measured magnitude and the measured interior temperature.