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Decentralization of vertically integrated electrical power systems can bring economic, reliability and environmental benefits to society. Microgrids are a step to a more hybrid, less centralized power industry. A key objection from traditional electric utilities to distributed renewable energy is the variation injected to the power grid from variables sources such as the sun. A significant milestone...
This paper describes a new way of thinking about demand-side resources to provide ancillary services to control the grid. It is shown that loads can be classified based on the frequency bandwidth of ancillary service that they can offer. If demand response from loads respects these frequency limitations, it is possible to obtain highly reliable ancillary service to the grid, while maintaining strict...
Widespread renewable energy resources cause short-term supply-demand imbalance. It is desirable to use Demand Response (DR) for solving balancing problem. Controlling consumers' energy storages (ES) is promising in this regard. However, consumer's ES based DR for short-term supply-demand imbalance suffers from reliability problems caused by both, unexpected state of charge (SoC) saturation/depletion...
The Electric Reliability Council of Texas (ERCOT) launched a nodal market in December 2010, aiming at benefiting customers who are willing to curtail or shift their loads to help improve system reliability. Demand response (DR) programs may stimulate users to change their electricity consumption patterns based on electricity prices and incentives. Senate Bill 1125 allows residential and commercial...
Modernization of the power grid to meet the growing demand requires significant amount of operational, technological, and infrastructural overhaul. The Department of Energy's “Grid 2030” strategic vision outlines the action plan to alleviate the concerns through the development of a “Smart Grid” (SG). Key emphasis is placed on demand side management and consumer interaction with market operations...
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