2019
DOI: 10.3390/app9030561
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Analyzing the Impact of Variability and Uncertainty on Power System Flexibility

Abstract: Featured Application: This study presents a method for separating the variability and uncertainty in a power system, and determining which is more influential in terms of flexibility, based on the flexibility index, named the ramping capability shortage probability (RSP). A process of scenario generation and sensitivity analysis is also proposed, and applied to a modified IEEE-RTS-96. The proposed method can evaluate the individual effect of variability and uncertainty and effectively provide the system operat… Show more

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Cited by 11 publications
(13 citation statements)
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“…Another perspective used to analyse the performance is by visualising the uncertainties across actual demand and forecast computed using the proposed model, and then comparing it with the output of benchmark GAM model. For this purpose, the aspects chosen were standard deviation ( σ ) and skewness (SK p ) [42, 43]. Fig.…”
Section: Forecast Results and Discussionmentioning
confidence: 99%
“…Another perspective used to analyse the performance is by visualising the uncertainties across actual demand and forecast computed using the proposed model, and then comparing it with the output of benchmark GAM model. For this purpose, the aspects chosen were standard deviation ( σ ) and skewness (SK p ) [42, 43]. Fig.…”
Section: Forecast Results and Discussionmentioning
confidence: 99%
“…, N t . Furthermore, the RE company's revenue can be calculated by Equation (1). The backward induction method can be solved by genetic algorithm, where its objective function is maximizing the revenue of the RE company and the decision variables are the charge/discharge price in different time periods.…”
Section: Stackelberg Equilibriummentioning
confidence: 99%
“…With the rapid development of renewable energy (RE), its uncontrollability and volatility have caused a series of problems to the grid [1][2][3][4]. Cooperation with controllable resources to enhance the controllability of RE has become a consensus [5][6][7].…”
Section: Introductionmentioning
confidence: 99%
“…Along with these policy and institutional efforts, one of the essentials in introducing massive renewable energy resources (RERs) is to enhance the flexibility of power systems, although comprehensive strategies considering the energy sector coupled with using technologies such as power to gas (P2G) and power to heat (P2H) equally count [6]. The large penetration of RER into the power system is likely to increase the volatility and uncertainty of the net load, i.e., the load minus the output of the RER [7]. A growing amount of variable generation, such as wind and photovoltaic (PV) power plants, requires more flexibility, where flexibility is defined as the ability of a power system to respond to the change in net load [8].…”
Section: Introductionmentioning
confidence: 99%