Filtering method used for three-phase unbalanced load compensation device
A technology of balanced compensation and three-phase load, which is applied in harmonic reduction devices and AC networks to reduce harmonics/ripples, etc. It can solve the problems of sampling accuracy impact, sampling signal easy to oscillate, etc., and eliminate resonance or spike signals Effect
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[0011] See figure 1 with figure 2 In order for the inventor of the present invention to better understand the technical solutions of the present invention, the following detailed descriptions are given through specific embodiments in conjunction with the accompanying drawings:
[0012] See figure 1 with figure 2 The three-phase load imbalance compensation device includes a first bridge arm formed by IGBT switch T1 and IGBT switch T2 in series, a second bridge arm formed by IGBT switch T3 and IGBT switch T4 in series, and IGBT switch T5 and IGBT switch T6 are connected in series. The third bridge arm, the fourth bridge arm formed by the IGBT switch T7 and the IGBT switch T8 in series, and the DC capacitor.
[0013] The first bridge arm, the second bridge arm, the third bridge arm, the fourth bridge arm, and the DC capacitor C are connected in parallel with each other.
[0014] The X point of the first bridge arm, the Y point of the second bridge arm, and the Z point on the third bri...
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