1. PSAST TCRM Script Structure
PSAST Meeting
May 20, 2008
Kurt Conger
Seattle City Light

2. Y N Y N Set Up Basecases Summer/Winter Base Cases
Project Topology (PT)
Loop
 Insert PTs
PT Case
Operating Conditions,
Transfer Direction Loop
Winter/Summer
HLH/LLH
S-N/N-S
Next PT
TCRM Table
Nomogram
Spreadsheets
Next
OC/TD
OTC Limit Calculations
Primary Contingencies
Generator Scenarios
Temperature (Load) Y
More
OC/TDs? N
Restore
PT Case Y
More
PTs?
Restore
Basecases N
Done!

3. Results Table Project Topology [key], Season (Summer or Winter) [key],
Load Period (HLH or LLH) [key],
Transfer Direction (N-S or S-N) [key],
Primary Contingency (Outage Scenario) [key],
Generation Scenario (ATC) [key],
Temperature Scenario (ATC) [key],
Transfer Limit (MW) [result],
Worst (Secondary) Contingency [result],
Limiting Facility (Element) [result],
Other results fields [results]
%OTDF
Pre-Trans Est
Limit Used
Other ATC Mon values
Solution Code Color [result].