Portable Test Short Wiring Device

Abstract

A portable test short wiring device includes a bare wire, an extension wire, a reel, a timing alarm device and a magnet, one end of the extension wire is connected to the reel, and the other end of the extension wire is connected to the bare wire. The timing alarm device is arranged on the reel; the magnet is arranged on the bottom of the reel; the extension line is a colored insulating tape. The present invention stores the bare wire in the reel, which is more convenient to carry and use than directly using a bare wire at present; and it is equipped with a timing alarm device, which will alarm when the set time is reached to remind the operator to timely Remove the short wires to effectively prevent the remaining test short wires on the power equipment. When the equipment resumes power transmission, a phase-to-phase short circuit or a ground fault will occur, which will endanger the safe and stable operation of the power grid.

Description

technical field [0001] The invention relates to the fields of handover and preventive tests of electrical equipment in a power grid, in particular to a portable test short-circuit device. Background technique [0002] In the handover and preventive tests of electrical equipment, it is necessary to connect and short-circuit multiple electrical parts of the equipment through conductive materials. For example, in the insulation test of the current transformer of the high-voltage switchgear, it is necessary to short-circuit multiple sets of secondary windings of the transformer together with metal wires; The high-voltage contacts are shorted together with metal short-circuit wires. The material selection of the short wiring is relatively wide, braided bare copper wire, hard iron wire, various test wires and other materials can be used. [0003] In the maintenance work of 10kV high-voltage cabinets in substations, the routine maintenance process is as follows: ①The equipment re...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the narrow space for short-circuit installation, insufficient light, and relatively hidden installation points, the disassembly and assembly of short-circuit wires is completely based on the memory of personnel, which is likely to cause the problem of missing short-circuit connections. Portable test short wiring device for reminder and warning

Images