**Fazel Mohammadi**

Electrical and Computer Engineering (ECE) Department, University of Windsor, Windsor, ON N9B 1K3, Canada; fazel@uwindsor.ca or fazel.mohammadi@ieee.org

Received: 22 May 2020; Accepted: 22 May 2020; Published: 26 May 2020

**Abstract:** The Special Issue on "Integration of High Voltage AC/DC Grids into Modern Power Systems" is published. A total of five qualified papers are published in this Special Issue. The topics of the papers are control, protection, operation, planning, and scheduling of high voltage AC/DC grids. Twenty-five researchers have participated in this Special Issue. We hope that this Special Issue is helpful for high voltage applications.

**Keywords:** High Voltage AC/DC Grids; Power Systems Control; Power Systems Operation; Power Systems Optimization; Power Systems Planning; Power Systems Protection
