Simultaneous Planning of Renewable/ Non-Renewable Distributed Generation Units and Energy Storage Systems in Distribution Networks

Jannati, Jamil; Yazdaninejadi, Amin; Talavat, Vahid

doi:10.4313/teem.2017.18.2.111

Cited by 3 publications

(2 citation statements)

References 23 publications

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“…Equalities (11), (12) and (13) calculate PTDF, LODF and participation factor, respectively. Inequalities (14) and (15) are generation outage and line outage security constraints, respectively. According to [23] the line flow limits for security constraints are considered as short-term emergency limits which are 10-20% greater than normal line flow limits.…”

Section: Security Constraintsmentioning

confidence: 99%

“…But SCOPF for a system without ESSs needs a large model, which makes its solution time consuming [14]. Now, if the ESS is added to the system the model will be very heavy and too much time is needed to solve the problem [15]. A benders decomposition (BD) corresponding to a mixed integer programming (MIP) is used to solve the SCUC problem in [13].…”

Section: Introductionmentioning

confidence: 99%

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Security constrained optimal power flow in a power system based on energy storage system with high wind penetration

et al. 2020

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This study is focused on assessing the effect of energy storage system (ESS) presence on security improvement of power systems hosting remarkable renewable energy resources. To this end, ESS presence is suitably included in security-constrained optimal power flow (SCOPF) model; the required technical amendments are hence considered. To launch a realistic model, ramping constraints of thermal units are also taken into account, which, limit the generators from completely responding to power shortfalls. Considering a high penetration level of renewable generations, different scenarios of outages in transmission lines and generators are simulated to measure the line outage distribution factor (LODF) and power transfer distribution factor (PTDF). Also, in order to illustrate the economic impact of wind power generation curtailment and load shedding, two penalty parameters value of wind curtailment (VWC) and value of loss of load (VOLL) are considered in the model. Two test systems, including a PJM 5-bus system and an IEEE 24-bus RTS, are put under numerical studies to assess the possible impact of ESS on security improvement of the investigated systems. The obtained results are discussed in depth.

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Section: Security Constraintsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Security constrained optimal power flow in a power system based on energy storage system with high wind penetration

et al. 2020

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Evaluation of Investments in Wind Energy Projects, under Uncertainty. State of the Art Review

2021

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The use of renewable energy sources, especially wind energy, has been widely developed, mostly during the last decade. The main objective of the present study is to conduct a literature review focused on the evaluation under uncertainty of wind energy investment using the real options approach to find out whether public opposition (NIMBY projects) has been contemplated, and if so, what have been the flexible strategies applied for its intervention. Overall, 97 publications were analyzed, identifying 20 different models or approaches, which were grouped into eight categories: 1. Real options, 2. Optimization, 3. Stochastics, 4. Financial evaluation, 5. Probabilistic, 6. Estimation, 7. Numerical prediction, and 8. Others. The real options approach, present in 32% of the studies, was the most popular. Twenty-eight types of uncertainties were identified, which were grouped, for better analysis, into nine categories. In total, 62.5% of the studies included the price of electricity as a source of uncertainty; 18.8%, the velocity of wind; and 15.6%, the feed-in rates-subsidy. Both random and non-random techniques were applied to assess the real options and to model the uncertainties. When evaluating real options, the Monte Carlo simulation technique was the most preferred, with 16 (51.6%) applications, followed by non-randomized techniques, decision tree, and dynamic programming, with eight (25.8%) applications each. There is a marked tendency to use stochastic processes to model uncertainty, particularly geometric Brownian motion, which was used in 61.3% (19) of the studies in the sample. When searching for “real options AND (nimby OR public opposition)”, no study was found, which shows the possibility of developing research on this aspect to determine its impact on investments in wind energy projects.

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The “Smart” Concept from an Electrical Sustainability Viewpoint

et al. 2023

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Nowadays, there are many technological-intensive applications that claim to be “smart”. From smartphones to the smart grid, people relate the word smart with technical novelty, automation, enabled communication, and service integration. There is indeed a gap between those smart technologies and their intended “intelligence”; this has arisen an indirect debate between works focusing on automation and mechatronics design and others pursuing a conceptual approach based on fulfilling determinate objectives. One last approach relates the said smartness to deep learning methodologies. In this work, it is attempted to explore both perspectives by providing an overview of recent works around energy usage toward smart cities and the smart grid, pointing out the main conceptual pillars upon which both approaches stand. Certainly, there are enabling technologies supporting the smart concept overall; thus, this work addresses them to characterize “smart” not from technological or conceptual one-sided viewpoints but from their common backbone. Therefore, the interested reader can find in this work an integrative conceptualization of the smart context, a literature review of recent advances, and a deep discussion of how enabling technologies and current technological trends based on energy consumption are shaping the ongoing efforts toward a sustainable future. More importantly, a new approach to define smart in the said context is elaborated far from the typical misunderstanding of technological nesting or mere usage of “advanced” digital technologies. Rather, smartness is addressed by the integrative objectives the application pursues, the objectives set by its users’ intent, and the attained results in terms of public benefit.

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Simultaneous Planning of Renewable/ Non-Renewable Distributed Generation Units and Energy Storage Systems in Distribution Networks

Cited by 3 publications

References 23 publications

Security constrained optimal power flow in a power system based on energy storage system with high wind penetration

Security constrained optimal power flow in a power system based on energy storage system with high wind penetration

Evaluation of Investments in Wind Energy Projects, under Uncertainty. State of the Art Review

The “Smart” Concept from an Electrical Sustainability Viewpoint

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