Single Line Diagram Symbols. Material taken from chapter 3 of electric motor controls g. All transmission lines distributions lines and power transformers are also three.
Basics 4 600 v 1 line. Single line diagram symbols. One line diagrams company document ns 501 502.
Wiring and circuit diagrams use special symbols recognized by everyone who uses the drawings.
An example of a single line diagram showing multiple generating stations substations transmission lines and distribution lines appears here. During making a single line diagram there is knowledge of the connection for the ground to the system should be known that helps to find the current direction if an unsymmetrical error occurs in the system. Below is an image of a single line diagram. Symbols like ct pt vcb acb etc.