Ibrahim, OladimejiYahaya, N.Z.B.Otuoze, AbdulrahamanSaad, NHasan, K.N.B.MShannan, N.M.Zakariyya, O.S.2021-11-262021-11-262021-03https://uilspace.unilorin.edu.ng/handle/20.500.12484/7030Modelling of switching pulse width modulated phase-shifted full-bridge zero voltage converter is highly challenging due to several transitional stages involved in a complete switching cycle. The circuit averaging technique has been favored in the past three decades considering phase-shifted full-bridge converter as a buckderived converter. This modelling approach requires several assumptions that include zero equivalent series resistance of output capacitor, zero leakage inductance and unity transformer turn ratio which results in a less accurate system dynamics. In this paper, a system identification approach is proposed for obtaining a more accurate model of phase-shifted full-bridge PWM switching converter using the input-output test data. The model parameter estimation is implemented in Simulink environment incorporating all circuit parasitic parameters and the resulting system’s frequency response shows a good agreement when compared with reported measured response.enSystem identificationfull-bridge converterzero voltage swicthingtransfer functionRecursive least squareArticle