KEYWORDS: Transformers, Sensing systems, Control systems, Systems modeling, Control systems design, Sensors, Matrices, Detector arrays, Design and modelling, Feature extraction
In order to avoid the independent on-line monitoring devices of transformers and the lack of unified data interfaces for various sensing devices, a broadband current array sensing system is proposed. The system includes high frequency current, core grounding current, power frequency current, over-voltage current and other sensing networks. The system is a causal linear time invariant system, based on stable control principle, the improved adaptive fault estimation algorithm is proposed, and system stability is calculated based on the system dynamics model and transfer function.
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