Which component of the CPS is specifically designed to limit unscheduled power flows?

The component of the Control Performance Standard (CPS) that is specifically designed to limit unscheduled power flows is known as CPS2. This standard is essential for maintaining system reliability and is focused on regulating the balance of real power in the electrical grid. By controlling unscheduled power flows, CPS2 helps ensure that the actual generation matches the demand while also respecting transmission constraints and operational limits.

CPS2 specifically addresses the need for balancing reserves and incorporates performance metrics that utilities must meet to avoid unintended imbalances caused by factors like load variations, generation changes, or unexpected outages. By doing so, it enhances grid reliability and supports the overall efficiency of power system operations.

In contrast, the other components such as DCS 1, DCS 2, and CPS1 do not have the targeted focus on managing unscheduled power flows in the way CPS2 does. DCS (Disturbance Control Standard) metrics generally pertain to the system's ability to recover from disturbances rather than ongoing management of power flow stability. CPS1 relates to the overall control performance related to frequency regulation, but again does not focus specifically on limiting unscheduled power flows.