Substation Equipment Symbols Pdf
Transmission sub transmission and distribution substation 4.
Substation equipment symbols pdf. Single phase equipment may have the same symbol as a three phase device but will be specifically designated with the phase to which it is connected. A power station also referred to as a generating station power plant powerhouse or generating plant is an industrial facility for the generation of. Substations are usually presented using various elements e g. Since three phase devices can be connected in a delta phase to phase connection or a wye phase to neutral connection.
A substation is a part of an electrical generation transmission and distribution system. Symbols of the most important equipment in transformer substation are given below. Between the generating station and consumer electric power may flow through several substations at different voltage levels. Power transformers circuit breakers isolators instrument transformers cts vts etc by their graphic symbols in the connection schemes.
On these diagrams the three phase equipment and connections are shown with a single line thus the basis for the diagram name. Enclose substations with energized electrical conductors or equipment. The vector stencils library stations contains 110 symbols of communications equipment generating transmitting and receiving stations. Electric substations with equipment used to convert high voltage extra high voltage ehv or ultra high voltage uhv transmission lines to the intermediate voltage sub transmission lines or to switch sub transmission circuits operating at voltages in the range of 34 5 kv to 161 kv are referred to as.
Substations transform voltage from high to low or the reverse or perform any of several other important functions.