Substation One Line Diagram Symbols

Transformers generators circuit breakers fuse air break switches reactors capacitors instrument transformers and other.

Substation one line diagram symbols. Single line diagrams like in figure 2 are used to illustrate the layout of buses in a substation. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Single line diagrams sld a single line diagram shows the disposition of equipment in a substation or network in a simplified manner using internationally accepted symbols to represent various items of equipment such as transformers circuit breakers and disconnectors generally with a single line being used to represent three phase connections. The one line diagram symbols presented here are commonly accepted symbols.

In single line representation of substation the electrical components such as power transformers incoming and outgoing lines bus bars switching and protecting equipments are represented by standard symbols and their interconnections between them are shown by lines. The arrangement of figure two is called a breaker and a half. 1 breakers per termination. Substation one line diagram automatic generation and visualization jing hong a yue lib yiran xuc chen yuan hong fan a guangyi liu and renchang daia ageiri north america san jose ca usa bcollege of william mary williamsburg va usa cstate grid nanjing power supply company nanjing jiangsu china abstract in energy management system ems applications.

Figure 2 examples of symbols used on one line diagrams typically single line or one line diagrams are used to document the configuration of the electrical high voltage circuit of a substation. The main function of the substation is to collect the energy transmitted at high voltage from the generating station and then reduce the voltage to an appropriate value for local distribution and gives facilities for switching.