Simple Single Line Diagram Of Substation

Note how much simpler and cleaner the single line diagram is compared to the schematic diagram of the same power system.

Simple single line diagram of substation. Voltage transformer connection for control and metering. Power transformers are used generation and transmission network for stepping up the voltage at generating station and stepping down the voltage for distribution. In selecting the single line diagram for a substation its requirements from the point of view of the following should be considered. 4 april 1950.

Each three conductor set of power wires is shown as a single line each transformer appears as a single primary winding and single secondary winding rather than three of each each motor and generator is a simple circle rather than a complete set of windings motor. The single line diagram of the 33kv substation is depicted in the figure below. There are three breakers for every two connections of lines or transformers to the bus i e. Single line diagrams are useful in planning a substation layout.

Some of the standard symbols used to represent substation components are given in table below. Regarding elements in single line diagrams they were already explained in previous article so if you didn t read it it s advisable to do it first. 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 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.

Electrical engineering volume. Single line diagrams like in figure 2 are used to illustrate the layout of buses in a substation. The single line diagram of the substation is shown in the figure below the connection of the substation is divided as incoming or power feeder connection. Outgoing feeder for feeding the other subsequent substations or switchgear.

Contact us for if you looking electrical single line diagram of substations service in india. Incoming or power feeder connection 33kv incoming line power transformer connection via lighting arrestor busbar. The arrangement of figure two is called a breaker and a half. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.

1 breakers per termination. We satcon iso 9001 2015 certified company as leading offering services and solutions of electrical single line diagram of substations based in kolkata west bengal india. Figure 1 shows the single line diagram of a typical 66 11 kv substation let s explain the main parts of it and how it actually works. The connection of the substation is divided as.