# Substation

Canonical URL: https://eloragrid.ai/symbols/substation
Publisher: Elora Grid
Updated: 2026-10-13
Lookup label: SUBSTATION
Drawing use: SLD, Schematic
Reference families: IEC, Manufacturer

A substation representation identifies a documented facility boundary in a network or system diagram.

## What it represents

A substation representation identifies a documented facility boundary in a network or system diagram. Its buses, transformers, switching devices and protection are developed on linked drawings.

## How to read it

- Read the internal electrical arrangement from the referenced substation SLD.
- The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation.

## Information to show or reference

- Name substation
- Identify network connections
- Reference internal drawing set

## Important distinction

A substation-type marker does not describe a complete switchgear lineup or GA footprint.

## Facts

- Drawing role: Supply or network role
- Representation scope: Functional concept; not an official standard graphic or a product footprint
- Public vendor block reference: HDV1_S00390, VDV1_S00390 (Autodesk identifiers; not IEC symbol numbers)
- Identifier status: The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name.

## Public references

- [AutoCAD Electrical: Power station and substation concepts](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-74EF80E8-018D-4A57-88BD-FF973F1B8185.htm) — Autodesk. Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.

## Graphic scope

Independent original educational concept illustration by Elora Grid. Not a certified standards graphic or manufacturer footprint. Unitless; not to scale. Original artwork licence: https://creativecommons.org/licenses/by/4.0/. Publisher material is linked only.