Assessment of voltage instrument transformers accuracy for harmonic measurements in transmission systems [Online resource]Stiegler, Robert; Meyer, Jan; Kilter, Jako; Konzelmann, SimonProceedings of 2016 17th International Conference on Harmonics and Quality of Power (ICHQP) : Belo Horizonte, Minas Gerais, Brazil, 16-19 October 20162016 / p. 152-157 : ill https://doi.org/10.1109/ICHQP.2016.7783472 Benchmarking of power quality performance in transmission systems - CIGRE WG C4.27 perspective [Online resource]Kilter, Jako; Vujatovic, Davor; Elphick, SeanProceedings of 2016 17th International Conference on Harmonics and Quality of Power (ICHQP) : Belo Horizonte, Minas Gerais, Brazil, 16-19 October 20162016 / p. 949-954 https://doi.org/10.1109/ICHQP.2016.7783342