An essential component of these studies is to determine the applicable SOLs of paths:
• In Seasonal Operations Planning Studies.
• When the respective path is affected by one or more planned outages.
• During real-time forced outages or contingencies.
• In accordance with NERC Standard FAC-011-2 [13].
The iterative process of increasing or decreasing transfers and retesting contingencies is a straightforward implementation when the definitions of the contingencies to
be tested do not require any modification. This is usually applicable when: