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

Figure 14

Harmonic spectrum after combining active filter with inductive filter method based on LADRC. (a) Total harmonic distortion at 0.08 s under the control of LADRC. (b) Total harmonic distortion at 0.12 s under the control of LADRC. (c) Total harmonic distortion at 0.16 s under the control of LADRC.

(a)

(b)

(c)