, T.T.A. and Dao Duy Yen 2020. Some solutions for online monitoring the vibration of transformers and the application to identify the state of the transformers. IJRDO - Journal of Electrical And Electronics Engineering. 6, 6 (Jul. 2020), 01-12. DOI:https://doi.org/10.53555/eee.v6i6.3746.