Application of high permeability magnetic core sensor for ... current transformer was developed with an electronic circuit board. In power device insides, it is usually induced that ferromagnetic core operated at rated power condition has performed a current in device insides, which perhaps induced high failure current and conducted a sensitivity through current transformer to transfer a signal to the electronic circuit board in order to transmitted a signal to the …[email protected]
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Selecting Current Sensors and Transformers· PDF file"sensor only", in which a conductor integral to the applica-tion serves as the primary (Figure 1a) or it can be a current transformer in which the primary is included (Figure 1b). Figure 1. Types of current sensors a. Sensor Only b. Transformer Figure 2. Typical application schematic Sec (N …
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Magnetizing Currents in Power Transformers – Measurements ...:1106261/FULLTEXT02.pdf· PDF fileThis thesis demonstrates a method for transformer core diagnostics. The method uses the no-load current of the transformer as an indicator, and gives different characteristic signatures for different types of faults or defects. Using the no-load current for the diagnostic gives high sensitivity.
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