1 Correction to: Journal of Control, Automation and Electrical Systems (2020) 31:718–725 https://doi.org/10.1007/s40313-020-00579-8

The article A New Definition of Voltage Unbalance Using Supply Phase Shift, written by Aderibigbe Israel Adekitan, was originally published electronically on the publisher’s internet portal on February 14, 2021, without open access. With the author’s decision to opt for Open Choice the copyright of the article changed on March 18, 2021, to ©The Author(s) and the article is forthwith distributed under a Creative Commons Attribution 4.0 International License.

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The original online version of the article has been updated.

Open Access

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