PCS
Power converter / inverter
An identified interface converting electrical power between documented circuit forms.
SLD / Schematic
Symbols · 3~
Three-phase conductor group
A conductor group represents the documented phase conductors of a circuit shown individually.
SLD / Schematic · 3~
What it represents
A conductor group represents the documented phase conductors of a circuit shown individually. Drawing the phase conductors individually expands a system that may also appear as one line in an SLD. The individual view makes terminations and phase mapping visible.
Keep phase labels through branches and changes of direction. Where the drawing returns to a simplified one-line view, provide a clear circuit cross-reference.
How to read it
- Keep phase sequence and connection mapping explicit when the group branches or changes direction.
- A three-line group is different from a single-line equivalent representation of the same system.
Information to show or reference
- Identify the associated device, circuit or diagram boundary.
- Keep phase sequence and connection mapping explicit when the group branches or changes direction.
- Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form.
A distinction that matters
A three-line group is different from a single-line equivalent representation of the same system.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Wire connection dots, crossing gaps and loops
Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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