Method for preventing power collapse in electric power systems

A method of preventing voltage collapse in a power-generating system having a grid comprising a plurality of load buses, comprising the steps of:

• a) measuring the load demands in the power-generating system having a grid comprising a plurality of load buses;
• b) calculating a voltage collapse index (VCI) directly correlated to load demands of the power-generating system of step (a);
• c) utilizing the voltage collapse index to identify weak areas in the power-generating system;
• d) selecting a cluster of said load buses of said grid identified as weak areas for load variation;
• e) determining actual safety margins that exist for these weak areas before collapse will occur;
• and
• f) adding power-generating capacity to those selected load buses of said grid that are identified as weak areas of said power-generating system, in order to prevent voltage collapse during heavy load conditions.

A method of preventing voltage collapse in a power-generating system, comprising the steps of:

• a) measuring the load demands in the power-generating system;
• b) calculating a voltage collapse index (VCI) directly correlated to load demands of the power-generating system of step a) wherein reactive power is simultaneously varied on at least two of a plurality of buses for the power-generating system;
• and
• c) utilizing the voltage collapse index to prevent power failure in said power-generating system.

A method of preventing voltage collapse in a power-generating system, comprising the steps of:

• a) measuring the load demands in the power-generating system;
• b) calculating a voltage collapse index (VCI) directly correlated to load demands of the power-generating system of step (a) wherein reactive power is varied on at least one of a plurality of buses for the power-generating system;
• and
• c) utilizing the voltage collapse index to prevent power failure in said power-generating system.