Side-by-side reference

Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

First referenceCompare with

SFC

Symbols

Static frequency converter

A static frequency converter rectifies the incoming AC to DC and inverts it back to AC at a different frequency and often a different voltage. It is used to supply 60 Hz equipment from a 50 Hz network, to provide shore power to ships, to feed 400 Hz aircraft supplies and to link microgrids or networks running at different frequencies.

Drawing use: SLD
Application: Microgrid systems
Reference family: IEC / IEEE / ANSI

A distinction that matters

A static frequency converter changes frequency electronically; a motor-generator set does the same with rotating machines.

Full reference

Symbols

Motor-generator set

A motor-generator set is an electric motor driving a generator on a common shaft. It provides complete electrical isolation, conversion of frequency or voltage, or AC to DC conversion, and its rotating mass rides through short disturbances. Some sets add a flywheel or an engine on the same shaft for backup.

Drawing use: SLD / Schematic
Application: Microgrid systems
Reference family: IEC / IEEE / ANSI

A distinction that matters

A motor-generator set converts through rotating machines; a static frequency converter uses power electronics.

Full reference

Original educational previews. Follow the source references on each full entry for the appropriate standard or selected product.