# \#distance-relay **URL:** https://community.opal-rt.com/tag/distance-relay/99.md [Latest](https://community.opal-rt.com/latest.md) · [Categories](https://community.opal-rt.com/categories.md) · [Tags](https://community.opal-rt.com/tags.md) --- ## [Distance Protection Relay](https://community.opal-rt.com/t/distance-protection-relay/102)
**Author:** [@Parija](https://community.opal-rt.com/u/Parija)\ **Replies:** 1\ **Last updated:** [July 12, 2026, 4:00pm UTC](https://community.opal-rt.com/t/distance-protection-relay/102 "2026-07-12T16:00:00Z")
Overview MHO-type distance protection on parallel 735-kV transmission lines with zone logic, fault studies, and permissive trip signaling. This example demonstrates distance protection on high-voltage transmission lines…