1. WECC Short Circuit Analysis
Update: Short Circuit Modeling Work Group 1/23/2018
Kent Bolton, Zach Garrard, Tyson Niemann
Western Electricity Coordinating Council

2. Western Electricity Coordinating Council
Overview
Spreadsheet examples
Discussion Items
Settings used in SC programs
X/R ratios
Pre-fault voltage profile
Generator impedance (Subtransient, Transient, Synchronous)
Loads, line charging, shunts, sequence data, mutual coupling
Current limited generation
MOV protected series capacitors
OOS lines
Short circuit program conversion observations
Preferred data formats, conversion options, pitfalls
Fault types
Line faults, line-to-line, <230 kV
Western Electricity Coordinating Council

3. Western Electricity Coordinating Council
Western Electricity Coordinating Council

4. Western Electricity Coordinating Council
Western Electricity Coordinating Council

5. Western Electricity Coordinating Council
Western Electricity Coordinating Council

6. Western Electricity Coordinating Council
Aspen Settings
Western Electricity Coordinating Council

7. Western Electricity Coordinating Council
Aspen Settings
Western Electricity Coordinating Council

8. Western Electricity Coordinating Council
Aspen Settings
Western Electricity Coordinating Council

9. Western Electricity Coordinating Council
Cape Settings
Western Electricity Coordinating Council

10. Western Electricity Coordinating Council
Cape Settings
Western Electricity Coordinating Council

11. Western Electricity Coordinating Council
PowerWorld Settings
Western Electricity Coordinating Council

12. Western Electricity Coordinating Council
PowerWorld Settings
Western Electricity Coordinating Council

13. Western Electricity Coordinating Council
Comments
Kent Bolton (Lead)
Tyson Niemann
Zachary Garrard
Western Electricity Coordinating Council