Automatic inductance adjusting device and inductance adjusting method

Through the automatic inductance adjustment device and method, the inductance adjustment of the adjustable reactor is controlled by the host computer and the programmable logic controller, which solves the problems of cumbersome traditional inductance adjustment and potential safety hazards, and realizes the high efficiency, safety and reliability of the small inductive current test of the disconnector opening and closing.

CN120686070APending Publication Date: 2025-09-23XIAN HIGH VOLTAGE APP RES INST CO LTD
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Patent Information

Application Number
CN202510908931.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-02
Publication Date
2025-09-23

AI Technical Summary

Technical Problem

The traditional inductance adjustment procedure is cumbersome and poses safety risks, resulting in low efficiency and safety in the isolation switch opening and closing small inductive current test.

Method used

An inductance automatic adjustment device is adopted, and the inductance adjustment of the adjustable reactor is controlled by the host computer and the programmable logic controller. The inductance is adjusted by automatically adjusting the air gap to realize intelligent adjustment of the inductance.

Benefits of technology

The efficiency and safety of the disconnector opening and closing small inductive current test are improved, making the test more efficient, safe and reliable.

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Abstract

The invention discloses an automatic inductance adjusting device and an inductance adjusting method, and relates to the technical field of high-voltage tests, and the automatic inductance adjusting device comprises a control module, an acquisition and transmission module and a control line connection switch, the control module comprises an upper computer and a programmable logic controller; the acquisition end of the acquisition and transmission module is connected with a high-voltage loop, the output end of the acquisition and transmission module is connected with the control module, the acquisition and transmission module acquires the real-time voltage and the real-time load current of the isolating switch through the measuring device, and the upper computer reads the real-time voltage and the real-time load current for control judgment and generates a corresponding adjustment control instruction. According to the technical scheme, the upper computer is used for controlling the inductance adjusting device of the adjustable reactor to automatically adjust the air gap of the inductance adjusting device so as to adjust the inductance, and therefore inductance adjustment is efficient, safe and reliable.
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Citation Information

Patent Citations

  • High-voltage adjustable inductance device

    CN115440486A

  • Power frequency inductance regulation resonance device

    CN203340031U

  • Reactor with adjustable it is novel

    CN206849671U

  • Apparatus and method for monitoring and controlling a disc refiner gap

    US4454991A