DP Formulation of Microgrid Operation with Heat and Electricity Constraints

Minh Y Nguyen; Nack-Hyun Choi; Yong-Tae Yoon

DP Formulation of Microgrid Operation with Heat and Electricity Constraints

Minh Y Nguyen

Nack-Hyun Choi

Yong-Tae Yoon

Vol. 9, No. 6, pp. 919-928, Nov. 2009

10.6113/JPE.2009.9.6.919

Microgrids

Distributed generators

Unit commitment

Optimization

Dynamic programming

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Abstract

Microgrids (MGs) are typically comprised of distributed generators (DGs) including NE sources (RESs), storage devices and controllable loads, which can operate in either interconnected or isolated mode from the main distribution grid. This paper introduces a novel dynamic programming (DP) approach to MG optimization which takes into consideration the coordination of energy supply in terms of heat and electricity. The DP method has been applied successfully to several cases in power system operations. In this paper, a special emphasis is placed on the uncontrollability of RESs, the constraints of DGs, and the application of demand response (DR) programs such as directed load control (DLC), interruptible/curtaillable (I/C) service, and/or demand-side bidding (DSB) in the deregulated market. Finally, in order to illustrate the optimization results, this approach is applied to a couple of examples of MGs in a certain configuration. The results also show the maximum profit that can be achieved.

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Cite this article

[IEEE Style]

M. Y. Nguyen, N. Choi, Y. Yoon, "DP Formulation of Microgrid Operation with Heat and Electricity Constraints," Journal of Power Electronics, vol. 9, no. 6, pp. 919-928, 2009. DOI: 10.6113/JPE.2009.9.6.919.

[ACM Style]

Minh Y Nguyen, Nack-Hyun Choi, and Yong-Tae Yoon. 2009. DP Formulation of Microgrid Operation with Heat and Electricity Constraints. Journal of Power Electronics, 9, 6, (2009), 919-928. DOI: 10.6113/JPE.2009.9.6.919.