Relative dielectric loss and capacitance tester

Abstract

The invention provides a relative dielectric loss and capacitance tester, which includes a portable box body and a circuit device installed in the portable box body; the circuit device includes an operation panel, a battery power management unit, a wireless communication unit, a measurement unit and a display control unit; The display control unit is electrically connected with the wireless communication unit and the measurement unit with two-way signals; the battery power management unit provides power when in use; the measurement unit is responsible for the collection of PT secondary side voltage and final screen leakage current data under the control of the display control unit during operation and digital signal processing; the display control unit completes human-computer interaction through the keyboard, controls the measurement unit to start measurement and reads the measurement data of the measurement unit in real time for real-time display, storage, and printout; when necessary, the display control unit transmits the data in real time through the wireless communication unit Upload to the supporting host computer for synchronous monitoring. The invention has the advantages of compact structure, portability, comprehensive functions, high testing precision and convenient operation.

Description

technical field [0001] The invention relates to the technical field of power system test tools, in particular to a relative dielectric loss and capacitance tester for measuring the relative dielectric loss factor and capacitance ratio of capacitive equipment in a power supply system. Background technique [0002] The insulation status of capacitive equipment such as capacitive current transformers, capacitive voltage transformers, coupling capacitors, capacitive bushings, and metal oxide arresters is related to the safe operation of power supply equipment and power supply safety, because capacitive equipment is prone to moisture due to insulation , oil quality deterioration and other reasons make the insulation damaged, so it is necessary to conduct live tests on the insulation state of the capacitive equipment in operation on a regular basis; the current common detection method is to use the corresponding device to detect the state parameters such as the relative dielectric ...

AI Technical Summary

Problems solved by technology

[0003] At present, the common devices used for relative dielectric loss and capacitance testing have problems such as incomplete functions, low test accuracy, and inconvenient portability and operation. Therefore, it is necessary to develop a relative Dielectric loss and capacitance testing is very necessary to improve the speed and quality of testing capacitive equipment in the power supply department and ensure the safety of power supply

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