TY - JOUR AU - Robles, Eider AU - Ceballos, Salvador AU - Pou, Josep AU - Martín, José Luis AU - Zaragoza, Jordi AU - Ibañez, Pedro PY - 2010 DO - 10.1109/TPEL.2010.2050492 SN - 0885-8993 UR - https://hdl.handle.net/11556/4205 AB - This paper proposes a filtered-sequence phase-locked loop (FSPLL) structure for detection of the positive sequence in three-phase systems. The structure includes the use of the Park transformation and moving average filters (MAF). Performance of the... LA - eng TI - Variable-frequency grid-sequence detector based on a quasi-ideal low-pass filter stage and a phase-locked loop TY - journal article ER -