Ferroresonant Harmonic Elimination Method for Detecting the Consistency of Zero Sequence Current Pulse Amplitude
A technology of pulse amplitude and zero-sequence current, which is applied in the direction of emergency protection circuit devices, circuits, inductors, etc. for limiting overcurrent/overvoltage, and can solve the problem of voltage rise and harmonic elimination of electromagnetic voltage transformers cost, affect the effect of harmonic elimination, etc., to shorten the elimination time, eliminate ferromagnetic resonance, and improve the efficiency of elimination
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[0051] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.
[0052] figure 1 It is a structural schematic diagram of a ferromagnetic resonance resonance elimination device according to an exemplary embodiment. As shown in 1, the device may include a power supply module 11, a resonance judgment module 12, a resonance elimination module and a current transformer 16 (CT, Current Transformer).
[0053] In the disclosed embodiment of the present invention, t...
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