Hasan Zidan, Safia Babikir Bashir, Sensor-less Vector Control of Induction Motor at Low Speed Operation Using Modular Multilevel Converter. Australian Journal of Electrical and Electronics Engineering. Published on 11 June 2019, pp 127-135. ISSN: 1448-837X, ISSN: 2205-362X, DOI: https://doi.org/10.1080/1448837X.2019.1626528.