QASIM, Ahmed Yahyia; TAHIR, Fadhil Rahma; ALSAMMAK, Ahmed Nasser B. Voltage Sag, Voltage Swell and Harmonics Reduction Using Unified Power Quality Conditioner (UPQC) Under Nonlinear Loads. Iraqi Journal for Electrical and Electronic Engineering, [S. l.], v. 17, n. 2, p. 140–150, 2021. DOI: 10.37917/ijeee.17.2.16. Disponível em: https://ijeee.edu.iq/ijeee/article/view/450. Acesso em: 8 dec. 2025.