Nor Asrina Binti Ramlee, Detection of Voltage Sag and Voltage Swell in Power Quality Using Wavelet Transforms. journal = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2017, vol. 127(7). 904 - 909 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/10007639.