High-Voltage Grid Vibration Monitoring for Asymmetry Detection

The patent extracts only the essential vibration detection function from complex measurement systems. By using simple vibration pickups that detect only vibration amplitude and frequency, rather than comprehensive electrical or acoustic measurements, the system achieves adequate detection precision with minimal complexity. The Fourier transformation then extracts the critical asymmetry information from these simplified measurements.

The patent replaces complex electrical measurement systems or acoustic measurement series with a mechanical vibration detection approach. By measuring mechanical vibrations directly and analyzing their frequency spectrum, the system achieves equivalent detection capability with simpler, more cost-effective equipment that does not require expert operation.

The patent implements self-service by automating the analysis process. The Fourier transformation and asymmetry ratio calculation are performed automatically by the system without requiring expert intervention. The method itself performs the analytical work that previously required specialists, making the system usable by ordinary operators while maintaining high detection accuracy.

The patent introduces an intermediary computational process (Fourier transformation and ratio calculation) that bridges the gap between simple vibration measurements and expert-level analysis. This mathematical intermediary automatically performs the complex analysis that experts would otherwise conduct manually, translating simple sensor data into reliable asymmetry detection results.

The patent applies preliminary action by detecting asymmetrical vibrations before implementing DC current compensation measures. By identifying the presence of DC current components through vibration analysis in advance, the system enables operators to take corrective actions proactively, preventing energy losses and avoiding the need for complex compensation equipment until absolutely necessary.

The patent implements feedback by using vibration measurements to monitor the transformer's operational state and detect DC current components. This continuous feedback mechanism allows the system to identify when DC current is present and trigger appropriate compensation measures only when needed, rather than requiring permanently installed complex compensation systems operating continuously.