Kiatsookkanatorn, P., Klamrak, P., Yindeeyom, N. and Watjanatepin, N. (2022) “Investigation of the Effect of Harmonic Currents on Losses of Phase Shifting Transformers and Its Realization using a 15-Degree Phase shifting Transformer”, RMUTP Research Journal Sciences and Technology. Bangkok, Thailand, 16(2), pp. 113–126. doi: 10.14456/jrmutp.2022.27.