11.Double Bus Double Breaker Configuration

Double Bus Double Breaker Configuration

First, we look at the  very simple representation of busbar configuration.

A Double Bus, Double Breaker (DBDB) configuration is commonly used in electrical substations to provide high reliability and flexibility in the power system. Here's a detailed breakdown of how it works.

You can see the Bays  are used to explain  the working principle.

• Line 1

• Line 2

• Transformer 1

• Transformer 2

More

• Single Busbar Configuration

• Single Busbar with Bus section Configuration

• Single Busbar with Transfer busbar configuration

• Single Busbar with Bus section + Transfer bus coupler + Section Isolator configuration

• Double Busbar with Bus coupler Configuration

• Double Busbar with Bus coupler + Bypass Isolator Configuration

• Double Busbar with Bus coupler + Transfer Buscoupler configuration