Novel transformer station secondary cable alignment device and method

A technology for secondary cables and substations, which is applied in the field of secondary cable-to-wire devices in new substations, can solve problems such as affecting the stable operation of substations, and achieve the effects of low cost and high precision

Active Publication Date: 2017-10-20
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology allows for accurate testing of cables without requiring excessive labor or expensive equipment. By connecting multiple pairs of wire with different voltages at specific locations within it, an electrical characteristic called voltage differences may be obtained which helps determine how well the cables will function properly when used later during manufacturing processes.

Problems solved by technology

This patents discusses how temporary or permanent connections between electric devices can lead to confusion during installation due to misalignment issues with existing methods for aligning cords. Additionally, there have been attempts to improve upon these techniques through various means such as radio frequency (RF) signal strength measurement, ground penetrating radar detection, and manual inspections.

Method used

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  • Novel transformer station secondary cable alignment device and method
  • Novel transformer station secondary cable alignment device and method
  • Novel transformer station secondary cable alignment device and method

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Embodiment Construction

[0018] Such as figure 1 As shown, the present invention includes the side end and the measurement end respectively arranged at the two ends of the secondary cable to be tested and a voltage measuring device for measuring the voltage at both ends of the secondary cable. The said side end is provided with a power supply, a switch K1, N terminals and N+1 wiring resistors connected in series on both sides of the power supply and the switch, the N terminals are respectively connected to the connection nodes of any two adjacent wiring resistors, and the N terminals are Correspondingly, there are labels; the measuring terminal is a measuring line socket with labels, and the number of sockets of the socket is not less than N. The voltage value of the power supply is equal to the sum of the resistance values ​​of the N+1 wiring resistors. If they are set to be equal, the measured voltage values ​​can be integers, which is convenient for checking. However, the voltage values ​​between any

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Abstract

The invention discloses a novel transformer station secondary cable alignment device. The device comprises a detected end and a detection end which are respectively arranged at two ends of a to-be-detected secondary cable, and a voltage measurement device used for measuring a voltage of the two ends of the secondary cable, wherein the detected end is provided with a power source, a switch K1, N wiring ends and N+1 wiring resistors connected in series between the power source and the switch, and the N wiring ends are respectively connected with wiring nodes of any two adjacent wiring resistors. The device is advantaged in that through setting alignment terminals, the wiring resistors are arranged among the alignment terminals, all the wiring resistors are connected in series with a certain voltage, a voltage of any two points of each wiring terminal can be determined, so a voltage difference table can be made, through voltage measurement of the other end of the to-be-detected secondary cable, determination of corresponding labels can be carried out through a table query method, cable alignment can be accomplished, the device is integrally convenient and rapid, and low cost and high precision are realized.

Description

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Claims

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Application Information

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Owner STATE GRID CORP OF CHINA
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