**3. Conclusions**

We sincerely hope the papers included in this Special Issue will inspire both academics and protection system practitioners to further develop much-needed solutions for the safe operation of future electricity systems. We strongly believe that there is a need for more work to be carried out, and we hope this issue provides a useful open-access platform for the dissemination of new ideas, as well as a catalyst for further protection innovation.

**Author Contributions:** Conceptualization, A.D. and D.T.; writing—original draft preparation, A.D.; writing—review and editing, A.D. and D.T.; All authors have read and agreed to the published version of the manuscript.

**Funding:** This research received no external funding.

**Conflicts of Interest:** The authors declare no conflict of interest.
