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ResourcesPower system single-line symbols (IEC 60617)

Transformer with on-load tap changer symbol (DWG block)

Transformer with on-load tap changer is a ready-to-use AutoCAD block named PWR_TX_OLTC in the Power system single-line symbols (IEC 60617), group “Transformers”. It carries 12 attributes, 2 of them visible, so it works in equipment lists and BlockSync exports.

Transformer with on-load tap changer symbol, block PWR_TX_OLTC
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Block details

Block namePWR_TX_OLTC
LibraryPower system single-line symbols (IEC 60617)
GroupTransformers
StandardIEC 60617
Attributes12 attributes, 2 visible

Attributes

Visible on the drawing: TAG, RATING_MVA.

Hidden, they carry the data for schedules: VOLTAGE_RATIO, VECTOR_GROUP, IMPEDANCE_PCT, TAP_RANGE, COOLING, NEUTRAL_EARTHING, 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

  1. Download the ZIP and unzip it. It holds one DWG with the block PWR_TX_OLTC.
  2. Open the DWG and copy the block into your drawing, or insert it from the DWG with INSERT.
  3. 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
Transformer with on-load tap changer
Simplified Chinese
有载调压变压器
Traditional Chinese
附有載分接開關變壓器
Japanese
負荷時タップ切換器付き変圧器
Korean
부하시 탭 절환기 부착 변압기
German
Transformator mit Laststufenschalter
French
Transformateur à changeur de prises en charge
Italian
Trasformatore con variatore sotto carico
Spanish
Transformador con regulador en carga

More symbols in the group “Transformers”