Abstract: According to one aspect, embodiments of the invention provide a power meter comprising a voltage sensor, at least one current and phase sensor circuit, and a central metering unit, wherein the voltage sensor is further configured to measure a voltage on an input line and transmit a signal related to the voltage to the central metering unit, wherein the at least one current and phase sensor circuit is further configured to measure a current and a voltage phase shift of a feeder line, and to transmit a signal related to at least one of the current of the feeder line and the voltage phase shift of the feeder line to the central metering unit, and wherein the central metering unit is configured to calculate power provided to a load via the feeder line based on the signal transmitted from the at least one current and phase sensor circuit.

Abstract: To determine a power consumption in a group of individual electric power distribution branches (3), a method includes the steps of: a) measuring the current (I) flowing in a main upstream line (2) and the voltage (U) of the main upstream line; b) measuring the voltage (Ui) of at least one branch, downstream of a circuit breaker (7) equipping each branch (3); c) determining the current (Ii) flowing through the branch based on the difference (?Ui) between the upstream-downstream voltages; d) calculating the individual power consumption (Pi?) of the branch from the current and the voltage of the branch; e) calculating the general power (P) consumed by the group of branches from the current and the voltage of the main upstream line; and f) correcting (F6) the individual power consumption (Pi?) so that an instantaneous electric power consumption variation observed at the level of the branch (3) is equal to an instantaneous electric power consumption variation simultaneously observed at the level of the main ups

Abstract: Message transmission system, including first and second networks (2, 3) of devices, and at least one mobile device (6, 7) provided with a non-volatile memory, each mobile device (6, 7) including a first communication means (16) configured to establish an automatic connection with at least one device (E1 to E5) of the first network (2), a second communication means (17) configured to establish an automatic connection with at least one device (4, 5) of the second network (3), and message processing means (15) configured to transmit messages stored in the non-volatile memory of the mobile device to each connected device, and to save the messages transmitted by the mobile device in the non-volatile memory of the mobile device.

Abstract: To determine a consumption in a group of branches of individual distribution of electrical energy, a method includes: a) detecting a change in electrical consumption in the branches, b) reading information relating to an electric current in a specific branch, then c) using the information, establishing an indication according to which the change took place in the specific branch, then d) determining, using measurements taken of an overall power supply of the group of branches before the change and measurements taken of the overall power supply after the change, in addition to the indication, an individual energy consumption of the specific branch.

Abstract: A group including a plurality of individual distribution branches connected in parallel is connected to an alternating-current power supply. A method includes: a) detection of a change in the electrical consumption of one specific branch among the branches; and b) determination of individual power consumption of the specific branch, based on a measurement of the total voltage, which is substantially constant during the change, measurements of intensity and phase shift values of the total current before and after the change, and measurements of intensities of individual current in the specific branch before and after the change.

Abstract: According to one aspect, embodiments of the invention provide a power meter comprising a voltage sensor, at least one current and phase sensor circuit, and a central metering unit, wherein the voltage sensor is further configured to measure a voltage on an input line and transmit a signal related to the voltage to the central metering unit, wherein the at least one current and phase sensor circuit is further configured to measure a current and a voltage phase shift of a feeder line, and to transmit a signal related to at least one of the current of the feeder line and the voltage phase shift of the feeder line to the central metering unit, and wherein the central metering unit is configured to calculate power provided to a load via the feeder line based on the signal transmitted from the at least one current and phase sensor circuit.

Abstract: Message transmission system, including first and second networks (2, 3) of devices, and at least one mobile device (6, 7) provided with a non-volatile memory, each mobile device (6, 7) including a first communication means (16) configured to establish an automatic connection with at least one device (E1 to E5) of the first network (2), a second communication means (17) configured to establish an automatic connection with at least one device (4, 5) of the second network (3), and message processing means (15) configured to transmit messages stored in the non-volatile memory of the mobile device to each connected device, and to save the messages transmitted by the mobile device in the non-volatile memory of the mobile device.

Abstract: The electric power metering device comprises a pulse meter to provide an electric pulse or a closing of an electric circuit at each predefined quantity of electric power. A communication module is connected to said pulse meter to send electric power and/or consumed electric power information. Two inputs of the communication module receive the connection with the pulse meter. Said communication module comprises discrimination means connected to the inputs to differentiate power pulse information and status information of an electric apparatus connected to said inputs. The electric power metering method comprises a discrimination step to differentiate power pulse information and status information of an electric apparatus connected to said inputs of the communication module.

Abstract: To determine a power consumption in a group of individual electric power distribution branches (3), a method includes the steps of: a) measuring the current (I) flowing in a main upstream line (2) and the voltage (U) of the main upstream line; b) measuring the voltage (Ui) of at least one branch, downstream of a circuit breaker (7) equipping each branch (3); c) determining the current (Ii) flowing through the branch based on the difference (?Ui) between the upstream-downstream voltages; d) calculating the individual power consumption (Pi?) of the branch from the current and the voltage of the branch; e) calculating the general power (P) consumed by the group of branches from the current and the voltage of the main upstream line; and f) correcting (F6) the individual power consumption (Pi?) so that an instantaneous electric power consumption variation observed at the level of the branch (3) is equal to an instantaneous electric power consumption variation simultaneously observed at the level of the main ups

Abstract: A group including a plurality of individual distribution branches connected in parallel is connected to an alternating-current power supply. A method includes: a) detection of a change in the electrical consumption of one specific branch among the branches; and b) determination of individual power consumption of the specific branch, based on a measurement of the total voltage, which is substantially constant during the change, measurements of intensity and phase shift values of the total current before and after the change, and measurements of intensities of individual current in the specific branch before and after the change.

Abstract: To determine a consumption in a group of branches of individual distribution of electrical energy, a method includes: a) detecting a change in electrical consumption in the branches, b) reading information relating to an electric current in a specific branch, then c) using the information, establishing an indication according to which the change took place in the specific branch, then d) determining, using measurements taken of an overall power supply of the group of branches before the change and measurements taken of the overall power supply after the change, in addition to the indication, an individual energy consumption of the specific branch.

Abstract: The electric power metering device comprises a pulse meter to provide an electric pulse or a closing of an electric circuit at each predefined quantity of electric power. A communication module is connected to said pulse meter to send electric power and/or consumed electric power information. Two inputs of the communication module receive the connection with the pulse meter. Said communication module comprises discrimination means connected to the inputs to differentiate power pulse information and status information of an electric apparatus connected to said inputs.

Abstract: A device for monitoring a position of a movable portion mounted on a casing of a switching electrical apparatus, the movable portion configured to adopt at least two determined positions. The device includes a permanent magnet and a reader including an antenna to interchange data without contact by electromagnetic coupling with a receiver element associated with the switching electrical apparatus. The receiver element includes an antenna controlled by a microswitch switched between two states depending on the position of the movable portion to establish or interrupt the electromagnetic coupling between the reader and the receiver element.