An Effective Harmonic Suppression Method Based on Linear Active Disturbance Rejection Control for Copper Electrowinning Rectifier

Figure 9

Harmonic spectrum after combining induction filter and active filter. (a) Total harmonic distortion rate at 0.08 s. (b) Total harmonic distortion rate at 0.12 s. (c) Total harmonic distortion rate at 0.16 s.

(a)

(b)

(c)