PLL Based Digital Adaptive Filter for Detecting Interharmonics

Table 1

PLL and adaptive notch filter coefficients.

PLL		Adaptive filter
Coefficient	Value	Coefficient	Value
𝐾𝑖	1800	𝐾	0.0085
𝐾𝑝	60	𝑉	0.125
𝐾𝑡	1.0	𝑇𝑠	50 𝜇s
𝑇𝑠	50 𝜇s