What type of current configuration is used in the line currents of a wye wired system?

In a wye (or star) wired system, the line currents are configured in a three-phase arrangement. Each phase of the system provides a current and operates at a specific phase angle relative to the other phases. This configuration allows for balanced loads and is commonly used in power systems.

A wye configuration connects the ends of three phases to a common point, enabling the phases to deliver power efficiently. In this setup, the line currents are equal to the phase currents when the load is balanced. Consequently, the correct answer recognizes the three-phase nature of the system rather than a series or parallel arrangement.

In contrast, other configurations such as series and parallel don't accurately describe the behavior of currents in a wye system. Series suggests a single current path, while parallel implies multiple current paths without a common grounding point.

Thus, understanding the three-phase current flow in a wye system is crucial for appreciating its application in electrical engineering and power distribution, highlighting why the correct choice is related to three-phase configurations.