This paper proposes a linear quadratic Gaussian (LQG) servo controller for the current control of shunt-active power filter (SAPF) operating under balanced and unbalanced supply voltages. This LQGâ€¦ (More)

The design of an extended complex Kalman Filter for frequency estimation of distorted power system signals has been presented in this paper. The design principles and validity of the model have beenâ€¦ (More)

This paper proposes a Kalman filter (KF)-based <inline-formula><tex-math notation="LaTeX">${{{\rm H}}_\infty }$ </tex-math></inline-formula> control scheme for a three-phase shunt active power filterâ€¦ (More)