10kV pole-mounted switch voltage transformer field calibration device

Abstract

The invention relates to a 10kV pole-mounted switch voltage transformer field calibration device. The device comprises a high-voltage binding post, a first low-voltage binding post and a second low-voltage binding post. The high-voltage binding post is connected to a first high-voltage terminal of a transformer through a high-voltage insulated wire; the first low-voltage binding post is connectedto a first low-voltage terminal of the transformer through a low-voltage insulated wire, and the second low-voltage binding post is connected to a second low-voltage terminal of the transformer through a low-voltage insulated wire; the second low-voltage binding post and a second high-voltage terminal of the transformer are grounded through a grounding wire; a low-voltage voltmeter and a booster are arranged in parallel between the first low-voltage binding post and the second low-voltage binding post; and the high-voltage binding post is further connected to the first end of an electrostaticvoltmeter, and the second end of the electrostatic voltmeter is grounded.

Description

technical field [0001] The invention belongs to the technical field of electric power equipment, and in particular relates to a calibration device for a power system, in particular to a field calibration device for a switch voltage transformer on a 10kV pole. Background technique [0002] The power distribution switch monitoring system (FTU for short) installed on the switch on the column has the functions of remote control, remote signaling and fault detection, and communicates with the master station of power distribution automation to provide the operation status of the power supply system and various parameters, that is, the information required for detection and control. Including switch status, power parameters, phase-to-phase fault, ground fault and fault parameters, and execute the commands issued by the power distribution master station, adjust and control the power distribution equipment, locate faults in sight, isolate faults and quickly restore non-faulty areas P...

AI Technical Summary

Problems solved by technology

Due to the existence of insulation defects and primary and secondary disconnection problems, although no special metrological verification is required in practical applications, it is necessary to do a withstand voltage test and a secondary voltage test of the transformer to check whether it is qualified

[0004] In actual work, professional equipment such as step-up transformers, voltage regulators, and multimeters are required to make insulating oil withstand voltage equipment. The rewiring of equipment is complicated, and it is easy to cause secondary damage such as secondary insulation breakdown and affect the use of equipment.

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