Inspec keywords: power system stability; power system security; regression analysis; load dispatching; power system control; power grids; power engineering computing; power system transient stability

Other keywords: operation systems; important performance indices; NN; selection operator; absolute shrinkage; static quantities; simulation sample database; quick judgment; familiar samples; running state; critical clearing time; calculation speed; operation mode; online analysis system; historical online data; LASSO method; logistic regression model; power system stability; dynamic security assessment; active power; electric elements; stability features; chosen features; nearest neighbour; stability indicators

Subjects: Power engineering computing; Power system management, operation and economics; Other topics in statistics; Other topics in statistics; Power system control