Number of outgoing lines in single busbar connection

The two 400V outgoing lines are connected to the bus bars through transformers (11kV/400 V) and circuit breakers. (ii) Single bus-bar system with sectionalisation: In this arrangement, the single bus-bar is divided into sections and load is equally distributed on all the. Single Bus-bar System: The single bus-bar system has the simplest design and is used for power stations. It is also used in small outdoor stations having relatively few outgoing or incom­ing feeders and lines. 2 shows the single bus-bar system for a typical power station. The chief advantages of this type of arrangement are low initial cost, less maintenance and simple operation. [pdf]