Graphical Symbols¶
The following are a list of graphical symbols used in various diagrams:
AC Equipment Symbols:¶
GRAPHICS SYMBOL
NAME
¶
Connectivity Node or Topological Node¶
¶
AC Line Segment or Series Compensator that connects two Substations¶
Two Winding Transformer (with regulation status, i.e. voltage or MW regulated)¶
Three Winding Transformer (with regulation status, i.e. voltage or MW regulated)¶
Breaker / Switch with (open/closed) status¶
Disconnector with (open/closed) status¶
Various Load (including ConformLoad / Non-ConformLoad / Energy Consumer / Station Supply / Equivalent Shunt / Equivalent Injection¶
AC Line Segment or Series Compensator within a Substation¶
¶
Shunt Compensator (Capacitive/ Inductive)¶
Static Var Compensator¶
Synchronous Machine (Thermal, Hydro, Nuclear, Wind, Solar)¶
Asynchronous Machine¶
Energy Source¶
External Network¶
Ground Disconnector¶
Grounding Impendence¶
Peterson Coil¶
Ground¶
Junction¶
Generic Equipment (representing any unknown or undefined types of Conducting Equipment)¶
DC Equipment Symbols:¶
GRAPHICS SYMBOL
NAME
¶
DC Node¶
¶
DC Line Segment or DC Series Device that connects two Substations¶
¶
DC Breaker / DC Switch¶
¶
DC Disconnector / DC Chopper¶
¶
DC Ground¶
¶
DC Line Segment or DC Series Device within a Substation¶
¶
DC Shunt¶
¶
Voltage Source AC/DC Converter¶
¶
Current Source AC/DC Converter¶
Other Non-Equipment Symbols:¶
GRAPHICS SYMBOL
NAME
¶
Neighboring Substation (dotted if the neighboring station not available)¶
¶
Substation (Expandable or none-Expandable in the neighborhood diagram)¶
X-Node (Boundary Point)¶
