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A switching station is a substation without transformers and operating only at a single voltage level. Switching stations are sometimes used as collector and distribution stations. Sometimes they are used for switching the current to back-up lines or for parallelizing circuits in case of failure.
The term switching station may refer to: an electrical substation, with only one voltage level, whose only function are switching actions. a battery switch station, such as the ones used by the Better Place network. a railroad switching station. a telephone switching station
Step-down transmission substations are located at “switching points” in the power grid, connecting various parts of the grid and serving as a source of power for subtransmission lines — the ...
Substation near Yellowknife, in the Northwest Territories, Canada. Distribution networks are divided into two types, radial or network. [10] A radial system is arranged like a tree where each customer has one source of supply. A network system has multiple sources of supply operating in parallel. Spot networks are used for concentrated loads.
In an electric power transmission grid system, switchyard reactors are large inductors installed at substations to help stabilize the power system. For transmission lines, the space between the overhead line and the ground forms a capacitor parallel to transmission line, which causes an increase in voltage as the distance increases.
The substation busbar: typically a set of three conductors, one for each phase of current. The substation is organized around the buses, and they are connected to incoming lines, transformers, protection equipment, switches, and the outgoing lines. [27] Lightning arresters; Capacitors for power factor correction
In electricity distribution networks, spot network substations (network transformers) are used in interconnected distribution networks. They have the secondary network (also called a grid network) with all supply transformers bussed together on the secondary side at one location.
Low-voltage side switching cabinet of a European MV/LV substation. Four LV cable feeders equipped with circuit breakers featured. Power-system protection in radial networks is simple to design and implement, since short-circuit currents have only one possible path that needs to be interrupted.