Through theoretical derivation,we conclude that the active current detected by Fryze theory and by p-q theory is completely the same no matter whether voltage is distorted or not.

• 通过理论推导得出,无论电压有无畸变,基于Fryze功率理论的谐波检测算法与基于瞬时无功功率理论的p-q算法最后检测出的有功电流是完全一致的。