Accession Number : ADA580851

Title :   Peak Power Control with an Energy Management System

Descriptive Note : Master's thesis


Personal Author(s) : Peck, Nathan J

Full Text :

Report Date : Mar 2013

Pagination or Media Count : 91

Abstract : The Department of Defense (DoD) is researching methods to enhance energy security and reduce energy costs. The energy security of DoD installations relies on the commercial electricity grid. One method being considered to improve energy security and reduce energy costs is microgrids that include combinations of energy storage, energy sources, critical loads, and non-critical loads. A microgrid s power demand and the benefits of a microgrid integrated with a power electronics enabled Energy Management System (EMS) is investigated in this thesis. The power demand of a single family household is analyzed. The peak power demand of the single family household displays the drawbacks of peak power demand on the commercial electricity grid and the installations receiving power from it. Drawbacks include reduced energy security due to blackouts and increased cost as a result of meeting the peak demand. One benefit of an EMS is its ability to island or continue supplying power to critical loads when the commercial electricity grid is lost. A second benefit is reduced power demand on the commercial electricity grid during peak power demand or on distributed resources (DR) while islanded by performing peak power control. The performance of peak power control by an EMS is demonstrated using a Simulink model and an experimental laboratory setup. The Simulink model and EMS functionality are validated with the laboratory experiments. The Simulink model is then used to demonstrate the reduction in peak power demand on the commercial electricity grid using an EMS on more complex loads such as motors and diode rectifiers. The Simulink model is also used to compare the power demand on the commercial electricity grid with and without the EMS.


Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE