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This paper analyzes the impacts of using distribution-level locational marginal prices (DLMPs) as a basis for valuing generation connected to low-voltage distribution feeder systems. The consistency between economic signals embedded in DLMPs and the impacts of distributed generation (DG) on the operation of low voltage grids is analyzed. We investigate how the revenues captured by DG agents connecting...
The growing integration of renewable energy in power systems demands for adequate planning of generation systems not only to meet long-term capacity requirements but also to cope with sudden capacity shortages that can occur during system operation. As a matter of fact, system operators must schedule an adequate amount of operational reserve to avoid capacity deficits which can be caused by, for instance,...
In this paper a new Software-in-the-Loop (SIL) strategy is proposed for real-time testing of Coordinated Volt/VAr Control (CVVC), through the use of the Real-Time Digital Simulator (RTDS) and Matlab® program. Such a strategy seeks to emulate, during the test, the interaction commonly established among the main layers of a Distribution Management System (DMS). To do so, a TCP/IP (Transmission Control...
We propose a general modeling framework that, under a set of assumptions, allows the representation of problems involving the construction of portfolios of renewable generators, with explicit modeling of the effects of intermittency and variability of generation over the loading of transmission facilities, as mean-variance portfolio optimization problems. The proposed formulation can be solved with...
Stationary batteries are currently seen as an interesting solution to deal with the variability of the renewable energy sources. In the same way as other types of storage, e.g. pumped-hydro units, this new type of storage equipment can improve the use of Renewable Energy Sources (RES). Additionally, the stationary batteries location in the grid is not as physically constrained as other storage systems...
Combining conventional and unconventional generations with hard forecasting properties and consumption variability has made the task of fitting large amounts of wind generation into unit commitment procedures very challenging. In this context, massive integration of electric vehicles in the electric systems, is expected. This paper aims at evaluating the adequacy of a generating system taking into...
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