Six common bus configurations in substations up to 345 kV
Single BusSectionalized BusMain and Transfer BusRing BusBreaker-And-A-HalfDouble Breaker–Double BusRelative Switching Scheme CostsA single bus configuration consists of one main bus that is energized at all times and to which all circuits are connected. This arrangement is the simplest, but provides the least amount of system reliability. Bus faults or failure of circuit breakers to operate under fault conditions results in complete loss of the substation. The single bus conf...See more on electrical-engineering-portal Scribd
35kV Substation Electrical Design
The document then discusses the electrical main wiring designs for the substation, including selecting the main transformer capacity and type, designing the