Real-time fundamental current extraction under interharmonics in power system based on high resolution harmonics tracking and fast sequential least square
Real-time fundamental current detection method under interharmonics is proposed. Voltage fundamental frequency is extracted based on HRHTA. Fundamental current is extracted base on FSLSA. Stable computational method of HRHTA is presented. Computing parameters selection rules of HRHTA are proposed.
interharmonics harmonic sequential least square approximated power iteration fast subspace tracking power quality