Power system monitoring control system and method

A power system monitoring control system that retains a control table in which a control target to be controlled to maintain stability of a power system when a failure occurs for each type of the failure is registered and, when the failure occurs in the power system, controls the control target according to the type of the failure according to the control table, the power system monitoring control system comprising:

• an contingency point estimator that estimates an contingency point which is an occurrence point of the failure that is assumed in the power system based on predetermined disaster information;
• an assumed disaster content estimator that estimates, for each contingency point, an assumed disaster content which is a content of a disaster assumed to occur at the contingency point based on the disaster information and an estimation result of the contingency point estimator;
• a contingency changer that changes contingency data based on an estimation result of the assumed disaster content estimator at each contingency point, the contingency data including an occurrence site and an aspect of each of the failures that are assumed to occur in the power system, and an contingency change rule including a contingency data change rule;
• a control table generator that generates the control table based on the contingency data, wherein the control table generator updates the control table based on the contingency data changed by the contingency changer;
• a system state calculator that calculates a system state of the power system based on the updated contingency data and system data required for power flow calculation, state estimation, and time series change calculation of the power system;
• and
• a transmitter that transmits at least one of the control table and the system state in a market management system that is installed in a power trading market and manages trading of a power product in the power trading market or in a central power supply command system that formulates a future power supply/demand plan based on past power demand and adjusts an output of a generator according to the supply/demand plan.