What is it about?

In a power system, the control of generators and their economic dispatch can be carried out by a centralized method that much research has been dedicated to this approach. This system will be confronted by many problems (we discussed these problems in details). The control of a sophisticated system, such as a power system using a distributed control approach could be a real solution due to its considerable abilities.

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Why is it important?

1. Accuracy: The ED problem is solved in a fully distributed manner without relying on a central controller. The solution accuracy is validated by the benchmark results achieved by traditional centralized methods. 2. Privacy: DGs and consumers do not need to disclose any private information (e.g., cost functions and utility functions) with others. The estimated power mismatch between the total generation and the total demand is the only information to be shared among all DGs. In addition, consumers are not required to have a communication channel between one another or to exchange information with all DGs. They only need to connect to local DGs. 3. Fast Convergence: The proposed algorithm outperforms some existing distribution methods in terms of a number of iteration and computational time. 4. Scalability: The proposed distributed algorithm is particularly suitable for solving large-scale optimization problems (e.g., >1,000 agents) within a short period of time. 5. Easy Implementation: This salient feature makes it possible to deploy the proposed distributed methods in the field at scale.

Perspectives

Writing this article and working on such novel method was a great opportunity to work with nice people and my colleagues.

Hajir Pourbabak
University of Michigan

Read the Original

This page is a summary of: A Novel Consensus-based Distributed Algorithm for Economic Dispatch Based on Local Estimation of Power Mismatch, IEEE Transactions on Smart Grid, January 2017, Institute of Electrical & Electronics Engineers (IEEE),
DOI: 10.1109/tsg.2017.2699084.
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