Fig. 9

Performance comparison between the proposed PLL, ESOGI-PLL, modified SOGI-PLL, and mEPLL under Case 3 (a frequency jump by 3Â Hz at 0.04Â s). a Estimated phase error and b estimated grid frequency
Performance comparison between the proposed PLL, ESOGI-PLL, modified SOGI-PLL, and mEPLL under Case 3 (a frequency jump by 3Â Hz at 0.04Â s). a Estimated phase error and b estimated grid frequency