GEN
Generator
An electrical generating source represented in a power-system drawing.
SLD / Schematic
Protection functions · 65
Governor
Regulates the operating speed or mechanical input of a generating or rotating unit.
SLD / Schematic · 65
What it represents
Regulates the operating speed or mechanical input of a generating or rotating unit.
In a drafting package, connect this reference to the speed reference and prime-mover control interface. The associated drawing should trace the governor actuator and controller commands; the number identifies the role and does not specify the terminal arrangement, ratings or operating settings.
How to read it
- Identify the speed reference and prime-mover control interface.
- Trace the governor actuator and controller commands.
Information to show or reference
- Label the speed reference and prime-mover control interface.
- Cross-reference the governor actuator and controller commands.
- Identify the device tag, manual revision and logic drawing that define this implementation.
A distinction that matters
A governor regulates mechanical input; an AVR numbered 90 regulates an electrical voltage objective.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
ANSI device-number and suffix reference table
Public manufacturer number/name association. Drafting explanations are independently written.
IEEE C37.2-2022: power-system device function numbers
Normative device-number publication; exact edition wording and compliance require the licensed standard.
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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