Magneto-rheological damper vibration reduction system for power transformer

Abstract

The invention relates to a transformer damping system, in particular to a magneto-rheological damper damping system for a power transformer. The magneto-rheological damper damping system comprises a magneto-rheological damper, a displacement sensor, an acceleration sensor, a current driver and an active controller; the magneto-rheological damper, the displacement sensor, the acceleration sensor and the current driver are respectively connected with the active controller; the displacement sensor is used for collecting displacement signals of the transformer, the acceleration sensor is used forcollecting acceleration signals of the transformer in the moving process, and a main controller receives the displacement signals, collected by the displacement sensor, of the transformer and the acceleration signals, collected by the acceleration sensor, of the transformer; and the main controller controls the current driver to output control current to the magneto-rheological damper. On the premise that the existing transformer body structure of the power transformer is not changed, the vibration noise of the power transformer is suppressed, and the magneto-rheological damper damping systemis suitable for substations and power distribution stations in various working environments.

Description

technical field [0001] The invention relates to the field of damping systems for power transformers, in particular to a magnetorheological damper damping system for power transformers. Background technique [0002] Terminal substations and distribution substations are generally located in densely populated urban areas, and the voltage level is generally 110kV and below. The large number of transformers and large capacity make the problem of vibration and noise in substations particularly significant. The maximum noise of power transformers can even exceed 100dB(A). If no corresponding control measures are taken, the noise around the substation will seriously exceed the Chinese acoustic environment quality standard. The continuous noise generated during the operation of the transformer will cause people's anxiety and other emotions, and seriously affect their physical and mental health. Research on transformer vibration characteristics and control measures can not only ensur...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to reduce the vibration noise of power transformers through magnetorheological dampers. The present invention proposes a magnetorheological damper vibration reduction system for power transformers, including magnetorheological dampers, displacement sensors, Accelerometers, current drivers and active controllers;

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