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Energies 2019, 12(3), 546;

Effects of Producer and Transmission Reliability on the Sustainability Assessment of Power System Networks

Department of Mechanical Engineering, Universidad de Guanajuato, Salamanca, GTO 36885, Mexico
Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA
Bradley Department of Electrical and Computer Engineering, Northern Virginia Center, Virginia Tech, Falls Church, VA 22043, USA
Authors to whom correspondence should be addressed.
Received: 4 December 2018 / Revised: 24 January 2019 / Accepted: 31 January 2019 / Published: 10 February 2019
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Details are presented of the development and incorporation of a generation and transmission reliability approach in an upper-level sustainability assessment framework for power system planning. This application represents a quasi-stationary, multiobjective optimization problem with nonlinear constraints, load uncertainties, stochastic effects for renewable energy producers, and the propagation of uncertainties along the transmission lines. The Expected Energy Not Supplied (EENS) accounts for generation and transmission reliability and is based on a probabilistic as opposed to deterministic approach. The optimization is developed for three scenarios. The first excludes uncertainties in the load demand, while the second includes them. The third scenario accounts not only for these uncertainties, but also for the stochastic effects related to wind and photovoltaic producers. The sustainability-reliability approach is applied to the standard IEEE Reliability Test System. Results show that using a Mixture of Normals Approximation (MONA) for the EENS formulation makes the reliability analysis simpler, as well as possible within a large-scale optimization. In addition, results show that the inclusion of renewable energy producers has some positive impact on the optimal synthesis/design of power networks under sustainability considerations. Also shown is the negative impact of renewable energy producers on the reliability of the power network. View Full-Text
Keywords: reliability; sustainability; IEEE-RTS; uncertainties; MONA reliability; sustainability; IEEE-RTS; uncertainties; MONA

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Vargas-Jaramillo, J.R.; Montanez-Barrera, J.A.; von Spakovsky, M.R.; Mili, L.; Cano-Andrade, S. Effects of Producer and Transmission Reliability on the Sustainability Assessment of Power System Networks. Energies 2019, 12, 546.

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