Probe, measuring device, and power line monitoring system

A device for measuring operating and environmental parameters of a power line, the measuring device comprising:

• for each phase cable of the power line, a probe that can be installed around the phase cable, the probe comprising:
• at least one of the following sensors:
• a voltage sensor for sensing the electrical voltage of a conductor of the phase cable, a current sensor for sensing current flowing in the conductor of the phase cable, and a temperature sensor in the vicinity of the phase cable;
• and
• circuitry for transmitting signals indicative of measurements by the sensors;
• and
• an acquisition unit having:
• a power supply circuit connectable to a power supply, the circuitry of each sensor being powered by the power supply circuit;
• an acquisition circuit powered by the supply circuit, the acquisition circuit having inputs for receiving analog signals and digital signals including the signals transmitted by the circuitry of each probe, an analog-to-digital converter for converting the analog signals into digital signals, and an output for transmitting data representing the digital signals;
• and
• a controller powered by the power supply circuit and connected to the acquisition circuit, the controller having a programmable mode of operation defining data processing including data transmitted by the acquisition circuit and a controller response, and a communication interface for transmitting the data processed by the controller and receiving data for programming the mode of operation of the controller.

A system for monitoring phase cables of a power line, the monitoring system comprising:

• for each phase cable of the power line, a probe installable around the phase cable, the probe comprising:
• at least one of the following sensors:
• a voltage sensor for sensing the electrical voltage of a conductor of the phase cable, a current sensor for sensing the current flowing in the conductor of the phase cable, and a temperature sensor for sensing the temperature in the vicinity of the phase cable;
• and
• circuitry for transmitting signals indicative of measurements by the sensors;
• an acquisition unit connectable to a power supply, the acquisition unit having inputs for receiving analog signals and digital signals including signals transmitted by the circuitry of each probe, circuitry for processing signals received at the inputs including a circuit having a programmable mode of operation defining processing of signals received at the inputs and a response from the acquisition unit, and a communication interface for transmitting data processed by the acquisition unit and receiving data for programming the mode of operation of the circuitry having a programmable mode of operation;
• and
• a communication gateway connected to the communication interface of the acquisition unit, the communication gateway having a circuit for transmitting the data to a remote server via a telecommunication network and receiving the programming data from the remote server via the telecommunication network.