What is the shape of the 3-phase configuration that is named after the Greek symbol Δ?

• A. Wye Configuration
• B. Delta Configuration
• C. Linear Configuration
• D. Spherical Configuration

Answer: (B)

The shape of the 3-phase configuration named after the Greek symbol Δ is the Delta Configuration. This configuration features three connected phases arranged in a triangular or delta-like shape, with each phase connected to its neighboring phases. The Delta Configuration is significant in electrical systems because it allows for a balanced load across the three phases, effectively distributing power and minimizing the risk of overload on any single phase. This symmetrical arrangement also provides better performance for certain applications, particularly in motor connections, allowing for increased starting torque and improved efficiency in three-phase systems. The distinct triangular shape is visually represented by the Delta symbol, which reflects the interconnected nature of the three phases.