plse could some help mi with 57 buss bars code file contingency n-1 i need for my research aim student MSc

for buss 400kv HIGH VOLTAGE AC

[eng ahmed]

my mail is [e-mail]

[Walter Roberson]

matpower supplies a 57 bus file; https://matpower.org/docs/ref/matpower5.0/case57.html

Aditya https://www.mathworks.com/matlabcentral/profile/authors/30884020 already posted the algorithm in https://www.mathworks.com/matlabcentral/answers/1833818-n-1-contingency-matpower#answer_1299456