An advanced model for the efficient and reliable short-term operation of insular electricity networks with high renewable energy sources penetration

Simoglou, Christos K.; Kardakos, Evaggelos G.; Bakirtzis, Emmanouil A.; Chatzigiannis, Dimitris I.; Vagropoulos, Stylianos I.; Ntomaris, Andreas V.; Biskas, Pandelis N.; Gigantidou, Antiopi; Thalassinakis, E.; Bakirtzis, Anastasios G.; Catalão, João P.S.

doi:10.1016/j.rser.2014.06.015

Cited by 33 publications

(28 citation statements)

References 62 publications

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“…The binary variables of Constraints (17) and (18) are used for defining the start-up/shut-down decisions. Constraints (19) and (20) delimit the power output of each committed thermal unit by its ramping capabilities, while Constraints (21) and (22) bound the production levels of each unit, according to its maximum power output and its minimum loading. Fulfillment of reserves requirements is achieved through Constraints (23), (24) and (25), adopting the principle of reserves substitutability [37].…”

Section: Deterministic Milp-based Ucmentioning

confidence: 99%

Comparative Assessment of Priority Listing and Mixed Integer Linear Programming Unit Commitment Methods for Non-Interconnected Island Systems

Psarros

Papathanassiou

2019

Energies

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The generation management concept for non-interconnected island (NII) systems is traditionally based on simple, semi-empirical operating rules dating back to the era before the massive deployment of renewable energy sources (RES), which do not achieve maximum RES penetration, optimal dispatch of thermal units and satisfaction of system security criteria. Nowadays, more advanced unit commitment (UC) and economic-dispatch (ED) approaches based on optimization techniques are gradually introduced to safeguard system operation against severe disturbances, to prioritize RES participation and to optimize dispatch of the thermal generation fleet. The main objective of this paper is to comparatively assess the traditionally applied priority listing (PL) UC method and a more sophisticated mixed integer linear programming (MILP) UC optimization approach, dedicated to NII power systems. Additionally, to facilitate the comparison of the UC approaches and quantify their impact on systems security, a first attempt is made to relate the primary reserves capability of each unit to the maximum acceptable frequency deviation at steady state conditions after a severe disturbance and the droop characteristic of the unit’s speed governor. The fundamental differences between the two approaches are presented and discussed, while daily and annual simulations are performed and the results obtained are further analyzed.

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Section: Deterministic Milp-based Ucmentioning

confidence: 99%

Comparative Assessment of Priority Listing and Mixed Integer Linear Programming Unit Commitment Methods for Non-Interconnected Island Systems

Psarros

Papathanassiou

2019

Energies

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“…Basically, UC is a complex optimization problem that is expected to minimize the total costs of energy production [16]. Mathematically, the UC problem is usually non-convex and non-linear, and the combination of these characteristics implies an integer-mixed and combinatorial optimization problem formulation, since the various production units that are allied to these characteristics make this problem very complex and difficult to solve [17].…”

Section: Literature Reviewmentioning

confidence: 99%

Scheduling Model for Renewable Energy Sources Integration in an Insular Power System

et al. 2018

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Insular power systems represent an asset and an excellent starting point for the development and analysis of innovative tools and technologies. The integration of renewable energy resources that has taken place in several islands in the south of Europe, particularly in Portugal, has brought more uncertainty to production management. In this work, an innovative scheduling model is proposed, which considers the integration of wind and solar resources in an insular power system in Portugal, with a strong conventional generation basis. This study aims to show the benefits of increasing the integration of renewable energy resources in this insular power system, and the objectives are related to minimizing the time for which conventional generation is in operation, maximizing profits, reducing production costs, and consequently, reducing greenhouse gas emissions.

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“…In [63] a multi-step approach is proposed for the short-term operation of insular networks under high RES penetration. It comprises a day-ahead scheduling model, an intra-day dispatch scheduling model and a real-time economic dispatch model.…”

Section: Operational and System Planning Aspectsmentioning

confidence: 99%

Overview of insular power systems under increasing penetration of renewable energy sources: Opportunities and challenges

Erdinç

Paterakis

Catalào

2015

Renewable and Sustainable Energy Reviews

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116

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Insular electricity grids are considered to have a more fragile structure than the mainland ones due to several factors such as the lower inertia because of lower number of generation facilities connected to the system, absence or insufficient interconnection with the main grid, etc. The recent trend of integrating large portions of environmentally sustainable power generation units that have a significantly volatile nature in the generation mix (such as wind and solar energy conversion systems) within this fragile structure, poses profound challenges that need deeper and specific analysis. This study aims to provide an overview of insular power system structures and operational requirements, especially under increasing penetration of renewable energy sources. Firstly, a general evaluation of insular power systems is presented. Then, potential challenges are thoroughly discussed together with opportunities to tackle them. Future technological developments, as well as innovative applications are also given special attention. Hence, this paper contributes to the scarce literature regarding insular power systems by providing a critical overview of issues regarding their operation and possible solutions.

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An advanced model for the efficient and reliable short-term operation of insular electricity networks with high renewable energy sources penetration

Cited by 33 publications

References 62 publications

Comparative Assessment of Priority Listing and Mixed Integer Linear Programming Unit Commitment Methods for Non-Interconnected Island Systems

Comparative Assessment of Priority Listing and Mixed Integer Linear Programming Unit Commitment Methods for Non-Interconnected Island Systems

Scheduling Model for Renewable Energy Sources Integration in an Insular Power System

Overview of insular power systems under increasing penetration of renewable energy sources: Opportunities and challenges

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