This paper presents a comparative analysis between two current control strategies. constant source power and generalized Fryze current. used in Active Power Filter (APF) applications having three different modulation methods. The Hysteresis Band (HB) and first-order Delta-Sigma Modulation (DSM) as well as the second-order DSM is applied. https://chefesquipmenters.shop/product-category/urinal-screens/