ResourcesPower system single-line symbols (IEC 60617)
Current transformer symbol (DWG block)
Current transformer is a ready-to-use AutoCAD block named PWR_CT in the Power system single-line symbols (IEC 60617), group “Instrument transformers”. It carries 10 attributes, 2 of them visible, so it works in equipment lists and BlockSync exports.
Block details
| Block name | PWR_CT |
|---|---|
| Library | Power system single-line symbols (IEC 60617) |
| Group | Instrument transformers |
| Standard | IEC 60617 |
| Attributes | 10 attributes, 2 visible |
Attributes
Visible on the drawing: TAG, RATIO.
Hidden, they carry the data for schedules: CLASS, BURDEN_VA, CORES, RATED_KV, MANUFACTURER, MODEL, REMARKS, DESC.
Export the attributes of every copy in a drawing to Excel with BlockSync, check them and write the corrections back in one run.
How to use it
- Download the ZIP and unzip it. It holds one DWG with the block PWR_CT.
- Open the DWG and copy the block into your drawing, or insert it from the DWG with INSERT.
- Double-click a copy to fill in the tag and the other attributes.
Used in sample drawings
The Current transformer symbol is placed in these finished sample drawings, so you can see how it is used on a real sheet:
- Substation single-line diagram: Single busbar
- Substation single-line diagram: Double busbar
- Low-voltage distribution diagram: Main distribution board
The symbol is our own drawing after the common form of IEC 60617, not a certified copy. The library page explains how the symbols relate to the standard.
Names in other languages
The same symbol under its name in the other site languages.
- English
- Current transformer
- Simplified Chinese
- 电流互感器
- Traditional Chinese
- 比流器
- Japanese
- 変流器(CT)
- Korean
- 변류기(CT)
- German
- Stromwandler
- French
- Transformateur de courant
- Italian
- Trasformatore di corrente (TA)
- Spanish
- Transformador de intensidad
