TEP’S RAS MODELING for POWER WORLD By Kathy Estrada Tucson Electric Power

Background Location System Description TOLS

Injection Groups Load shed zone Model Explorer Aggregations Advanced filters Right click – Insert Right click again Insert Select category Select element Add

Model Conditions Setting RAS activating conditions Model Explore *This will be changed to areas and voltage limits instead of TEP lines Case Information and Auxiliary Right click – Insert Set filter Branch Company Set conditions Name the condition

Model Filters Stating the criteria for the actions taken to alleviate the conditions defined in Model Conditions Model Explore Case Information and Auxiliary Model Filters Right click – Insert Choose conditions Name your scheme

Create contingencies Determining which contingencies will cause the scheme to activate Right click – Insert Add new element Run Mode Save Tools Name Contingency analysis