Content of review 1, reviewed on July 09, 2020

This paper is interesting and there are important results. However, this work needs the following revisions:

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    © 2020 the Reviewer.

Content of review 2, reviewed on October 23, 2020

i has no further comments.

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    © 2020 the Reviewer.

Content of review 3, reviewed on December 21, 2020

i have no further comments.

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    © 2020 the Reviewer.

References

    Abdullah, A., Lingling, F. 2021. An alternating direction method of multipliers-based approach to solve mixed-integer nonlinear volt/var optimization problems in distribution systems. International Transactions on Electrical Energy Systems.