Voltage and current measurement energy taking device of power transmission and distribution line

Abstract

The invention discloses a voltage and current measurement energy taking device of a power transmission and distribution line, and the device comprises a current module which is used for detecting current analog signals of a line wire, carrying out the preprocessing, and transmitting the signals to a high-voltage end processing unit; a voltage energy taking module which is used for sampling voltageanalog signals, directly outputting the voltage analog signals or providing the voltage analog signals to a low-voltage end processing unit for analog-to-digital conversion and then outputting the voltage analog signals, obtaining high-low voltage end energy and processing the high-low voltage end energy to generate a high-low voltage end power supply; the high-voltage end processing unit whichis used for performing analog-to-digital conversion on the received current analog signals to obtain current digital signals, and transmitting the current digital signals and the current analog signals to the low-voltage end processing unit through isolation channels respectively; and the low-voltage end processing unit which is used for transmitting the received current isolation digital signalsand the voltage digital signals to a user through a voltage and current digital signal channel, and transmitting the current isolation analog signals and the voltage analog signals to the user througha voltage and current analog signal channel so as to be selected and used by the user.

Description

technical field [0001] The present invention relates to the intersecting technical field of high-voltage technology and power supply technology of power transmission and distribution lines, in particular to a voltage and current measurement energy harvesting device of power transmission and distribution lines. Background technique [0002] In recent years, with the continuous expansion of the grid scale, the improvement of power supply reliability requirements, the promotion and popularization of Internet of Everything technology, and the development of power transmission and distribution Internet of Things technology, power transmission and distribution lines require a large number of smart sensors, smart terminals, Smart devices perceive the line status, use these smart devices and smart sensors to monitor the line and its own operating status, and provide decision-making basis for the intelligent operation and maintenance of the power grid. In the field of power transmiss...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a voltage and current measurement energy harvesting device for power transmission and distribution lines, so as to solve the technical problems in the prior art that sampling and measuring line state and power acquisition are difficult

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