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Energies 2018, 11(2), 381; https://doi.org/10.3390/en11020381

Robust Allocation of Reserve Policies for a Multiple-Cell Based Power System

1
State Key Laboratory of Alternate Electrical Power Systems with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
2
Global Energy Interconnection Research Institute Europe GmbH, 10117 Berlin, Germany
3
Center for Electrical Power and Energy, DK2800 Lyngby, Denmark
*
Author to whom correspondence should be addressed.
Received: 6 December 2017 / Revised: 25 January 2018 / Accepted: 30 January 2018 / Published: 7 February 2018
(This article belongs to the Special Issue Methods and Concepts for Designing and Validating Smart Grid Systems)
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Abstract

This paper applies a robust optimization technique for coordinating reserve allocations in multiple-cell based power systems. The linear decision rules (LDR)-based policies were implemented to achieve the reserve robustness, and consist of a nominal power schedule with a series of linear modifications. The LDR method can effectively adapt the participation factors of reserve providers to respond to system imbalance signals. The policies considered the covariance of historic system imbalance signals to reduce the overall reserve cost. When applying this method to the cell-based power system for a certain horizon, the influence of different time resolutions on policy-making is also investigated, which presents guidance for its practical application. The main results illustrate that: (a) the LDR-based method shows better performance, by producing smaller reserve costs compared to the costs given by a reference method; and (b) the cost index decreases with increased time intervals, however, longer intervals might result in insufficient reserves, due to low time resolution. On the other hand, shorter time intervals require heavy computational time. Thus, it is important to choose a proper time interval in real time operation to make a trade off. View Full-Text
Keywords: linear decision rules; optimal reserve allocation; robust optimization; web of cells linear decision rules; optimal reserve allocation; robust optimization; web of cells
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Hu, J.; Lan, T.; Heussen, K.; Marinelli, M.; Prostejovsky, A.; Lei, X. Robust Allocation of Reserve Policies for a Multiple-Cell Based Power System. Energies 2018, 11, 381.

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