Palavra-chave: POWER SYSTEMS OPERATION

VOLTAGE STABILITY INTERIOR POINT METHOD STEP OPTIMIZATION OPTIMAL POWER FLOW MAXIMUM LOADING POINT CONTINGENCY ANALYSIS NONLINEAR PROGRAMMING WARD EQUIVALENT CONTINGENCY RANKING HYDROTHERMAL GENERATION SCHEDULING PRIMAL-DUAL ALGORITHMS RENEWABLE ENERGY GENERATION SECURITY ANALYSIS HYDROELECTRIC-THERMAL GENERATION POWER SYSTEMS SENSITIVITY ANALYSIS PERFORMANCE INDEX JACOBIAN MATRIX SINGULARITY POWER TRANSMISSION HYDROTHERMAL INTERCONNECTED POWER SYSTEM