ResourcesPower system single-line symbols (IEC 60617)
Zero-sequence CT (core balance) symbol (DWG block)
Zero-sequence CT (core balance) is a ready-to-use AutoCAD block named PWR_CT_ZERO 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_ZERO |
|---|---|
| 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_ZERO.
- 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.
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
- Zero-sequence CT (core balance)
- Simplified Chinese
- 零序电流互感器
- Traditional Chinese
- 零相序比流器(ZCT)
- Japanese
- 零相変流器(ZCT)
- Korean
- 영상 변류기(ZCT)
- German
- Nullstromwandler (Summenstromwandler)
- French
- Transformateur de courant homopolaire (tore)
- Italian
- Trasformatore toroidale di sequenza zero
- Spanish
- Transformador toroidal homopolar (de secuencia cero)
