Integrated sensor used for partial discharge detection of switch cabinet

Abstract

The invention discloses an integrated sensor used for partial discharge detection of a switch cabinet. The integrated sensor comprises a shell, a capacity coupler, an ultrasonic collector, two signal outgoing leads and a signal output port. The capacity coupler is fixed on the inner side of a front panel of the shell, the ultrasonic collector and the capacity coupler are embedded into the front panel of the shell in the same direction, the two signal outgoing leads are stranded together, one ends of the two signal outgoing leads are respectively connected with the capacity coupler and the ultrasonic collector, the other ends of the signal outgoing leads are both connected with the signal output port, and the signal output port is installed in the shell. The integrated sensor can simultaneously detect a ground electric wave signal and an ultrasonic wave signal which are both generated by partial discharge of the switch cabinet, avoid the defect that a traditional detection mode is large in workload, save detection time and promote working efficiency.

Description

technical field [0001] The invention relates to a sensor for detecting partial discharge signals of switch cabinets, in particular to an integrated sensor for detecting partial discharge of switch cabinets, which can simultaneously detect ground wave signals and ultrasonic signals generated by partial discharge of switch cabinets, and belongs to detection technology field. Background technique [0002] The switchgear is an important equipment commonly used in the power system. When there is an insulation defect inside the switchgear, partial discharge will be generated. Through the detection of partial discharge, the insulation state of the switchgear can be effectively judged, and the effective detection of partial discharge is very important to ensure the safety and stability of the switchgear. Running is important. [0003] Among the current detection methods for partial discharge signals inside the switchgear, the ground wave method and the ultrasonic method are current...

AI Technical Summary

Problems solved by technology

However, the sensor used in the traditional partial discharge detection device is a single ground wave sensor or a single ultrasonic sensor, or a double sensor that cannot be detected at the same time. The inspector needs to first use a detection method to detect the partial discharge of the switchgear. Then use another instrument or switch to another detection mode for detection

This detection method is time-consuming and labor-intensive, increasing labor intensity

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