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Surrogate models have proved to be a suitable replacement for complex simulation models in various applications. Runtime considerations, complexity reduction and privacy concerns play a role in the decision to use a surrogate model. The choice of an appropriate surrogate model though is often tedious and largely dependent on the individual model properties. A tool can help to facilitate this process...
In order to manage the increasing number of distributed energy resources, control strategies must be developed for a better integration of those units in the system and energy markets. Within the development of control strategies and algorithms for Smart Grids, simulation is of major importance, as for financial and safety reasons tests in the field can be performed only very late in the development...
Due to the ongoing decentralization of the energy system, new requirements for energy resources appear. Distributed units must take over tasks of conventional power plants such as the provision of primary frequency control. However, the reliability of ancillary service products must be guaranteed. In this paper, a method is introduced to cluster distributed units into groups that are highly correlated...
Due to changes in the electric power system, small, distributed units substitute conventional power plants with regard to energy supply. This also holds for the provision of ancillary services. To this end, agents that represent units form coalitions. In this paper, a method is introduced to assess such coalitions with respect of how reliable they can provide ancillary services taking into account...
The increase in renewable power generation causes an overall decrease in conventional power generation from large-scale and highly predictable fossil power plants. Aside from market-based provision of active power schedules, these power plants are crucial for the provision of short-term automatic ancillary services such as frequency and voltage control. Substituting these plants for renewable generation...
The energy system is due to substantial changes by reason of an ongoing decentralization of power supply. A challenge will be to provide ancillary services by distributed units since they are volatile regarding their power feed-in and hard to predict. This paper presents a method that allows for the evaluation of how reliable distributed units can participate in the provision of ancillary service...
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