Comprehensive monitoring and control system for smart grid and microgrid

Abstract

A measurement value monitoring unit (32) obtains information indicating the current amount of power generation output of each of the distributed generators, and information indicating the current amount of loads of each of the customer facilities. A customer information management unit (33) administers at least: information indicating the rated power generation capacity and adjustable amount of power generation output of each of the distributed generators; information indicating the contract amount of power and adjustable amount of load of each of the customer facilities; information indicating priority of the distributed generators, said information used for determining the distributed generators to be subjected to adjustment of amount of power generation output; and information indicating priority of the customer facilities, said information used for determining the customer facilities to be subjected to adjustment of amount of load. An abnormal-time accommodation routine creating unit (41) creates, when there happens to be an accident within the system, an accommodation routine for making the total amount of power generation output of the distributed generators match the total amount of load of the customer facilities, using at least information obtained by the measurement value monitoring unit (32), and information administered by the customer information management unit (33).

Description

technical field [0001] The invention relates to a comprehensive monitoring and control system for smart grids and micro grids. Background technique [0002] The electricity we use every day is generated by various power plants (nuclear power, thermal power, hydropower, etc.), and high-quality power is stably supplied to the demand side through the backbone system and power distribution system. However, the current power system has built large-scale centralized power plants for the purpose of stably supplying a large amount of electricity, so the lead time from planning to operation start is long. In addition, large-scale power plants There are many places where the establishment conditions are far from the demand place, so there is a limit to the improvement of the overall energy efficiency including the heat recovery rate. [0003] In addition, through the improvement of awareness of environmental protection and the completion of relevant laws and regulations in recent yea...

AI Technical Summary

Problems solved by technology

However, on the other hand, distributed power sources using natural energy such as solar energy and wind power are difficult to control due to unstable output. Therefore, in the future, many distributed power sources that effectively use natural energy will be integrated with existing large-scale power grids (described below) In the case of serial connection as "commercial side network"), there is concern that it may have adverse effects on power quality such as system stability and reliability

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