Device for measuring electrical quantities in an electrical installation and associated system

A device for measuring electrical quantities in an electrical installation, said device being integrated in a housing comprising at least one unitary block, the unitary block comprising a through-slot suitable for receiving an electrical conductor of the electrical installation, the through-slot extending along a main axis, wherein the unitary block comprises:

• a current measurement module, configured to measure an electrical current flowing in said electrical conductor,
• a voltage measurement module for measuring voltage through capacitive coupling,
• a power supply module, configured to pick up an electrical energy from said electrical conductor,
• said modules being arranged around said through-slot intended to receive the electrical conductor, and the current measurement module and the power supply module being stacked in the direction defined by the main axis,
• the unitary block moreover comprising an electronic device, comprising a wireless communication interface suitable for communicating according to a predetermined wireless communication protocol and a programmable electronic circuit, and
• the electronic device being supplied with electrical energy by said power supply module, the programmable electronic circuit being configured to receive, continuously, current and voltage measurements from said current and voltage measurement modules, and to control the transmission by said communication interface of at least one electrical quantity associated with the electrical signal flowing in the electrical conductor received in the through-slot, which electrical quantity is obtained on the basis of said current and voltage measurements.

A device for measuring electrical quantities in an electrical installation, said device being integrated in a housing comprising at least one unitary block, the unitary block comprising a through-slot suitable for receiving an electrical conductor of the electrical installation, the through-slot extending along a main axis, wherein the unitary block comprises:

• a current measurement module, configured to measure an electrical current flowing in said electrical conductor, the current measurement module comprising a current sensor that comprises a main coil of conductor wire, and a ferromagnetic element, the ferromagnetic element comprising:
• a rounded central portion;
• two arms extending on either side of the rounded central portion, and
• an axis of symmetry parallel to each of the arms,
• the main coil extending in a direction perpendicular to said axis of symmetry, and being disposed between said arms of the ferromagnetic element,
• a voltage measurement module for measuring voltage through capacitive coupling,
• a power supply module, configured to pick up an electrical energy from said electrical conductor,
• said modules being arranged around said through-slot intended to receive the electrical conductor,
• the unitary block moreover comprising an electronic device, comprising a wireless communication interface suitable for communicating according to a predetermined wireless communication protocol and a programmable electronic circuit, and
• the electronic device being supplied with electrical energy by said power supply module, the programmable electronic circuit being configured to receive, continuously, current and voltage measurements from said current and voltage measurement modules, and to control the transmission by said communication interface of at least one electrical quantity associated with the electrical signal flowing in the electrical conductor received in the through-slot, which electrical quantity is obtained on the basis of said current and voltage measurements.