Minimising wind power curtailments using OPF considering voltage stability

Nycander, Elis; Söder, Lennart; Eriksson, Robert; Hamon, Camille

doi:10.1049/joe.2018.9371

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…A major concern is that the typical solar and wind VRES have intermittent production. The sudden fluctuations in generation can cause reliability issues and induce instability of the short-term operation of the power grid [3]. Consequently, the grid will experience a higher degree of uncertainty with the increase of VRES.…”

Section: Introduction 1motivation and Backgroundmentioning

confidence: 99%

“…Nevertheless, the most favourable wind power resources in Norway are located in areas with poor transmission capacity, which will cause an increase in congestion issues in the transmission system. These challenges connected to integration of wind power are a common problem, and several studies have been conducted to find a solution [3], [6], [7]. A common suggestion in such studies is to combine wind power and hydropower, using the regulated hydropower to counter the intermittent wind power [8]- [10].…”

Section: Introduction 1motivation and Backgroundmentioning

confidence: 99%

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Optimal Utilisation of Grid Capacity for Connection of New Renewable Power Plants in Norway

Stave

Dynge

Farahmand

et al. 2021

2021 International Conference on Smart Energy Systems and Technologies (SEST)

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and Technology (NTNU) and it constitutes the completion of the MSc programme Energy and Environmental Engineering. The thesis was supervised by Associate Professor Ümit Cali and co-supervised by Professor Magnus Korpås, and concluded during the spring semester of 2021.The thesis was done in collaboration with Statnett, who provided exiting topic and research discussions that helped determine the scope of the thesis. Additionally, good observations and local system data were provided by Nordkraft. As such, there are several persons to be acknowledged for their assistance with this thesis.First of all, I would like to express my deep gratitude to my supervisor Ümit Cali for his strong commitment and interest in both this thesis and my experience of the process being as good and educational as possible. I have no doubt that his knowledge and guidance have improved the resulting thesis and my learning outcome. I would also like to thank my co-supervisor Magnus Korpås for excellent discussions and suggestions on the thesis topic. I would likewise express my gratitude to Associate Professor Hossein Farahmand for providing superior help and literature for my inquiries throughout the semester. In addition, I would like to thank PhD candidate Marthe Fogstad Dynge for great academic input and advice on the practicalities connected to writing a master thesis. Her sharing of her own experiences has undoubtedly helped facilitate this thesis. My gratitude also goes to Gjermund Saetermo and Ane Meisingset Elgsem from Statnett, who contributed with valuable insight into the power system, as well as inspiration for the determination of the thesis objective. Additionally, I would like to thank Tore Schjelderup and Matthew Homola from Nordkraft for providing relevant data and good advice regarding the studied area. I would also like to thank my friends and family for their encouragement throughout the whole process. Among these I would like to mention and thank my parents for their unconditional support and patience, always showing interest and providing motivation during ups and downs. A special thanks also to Hilde Kiernan for thorough proofreading of a thesis far outside her scope of interest. And last but not least, I would like to express my gratitude to Jonas Sjong Forfot for invaluable support and collaboration, both professionally and personally, during our time as students.

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Section: Introduction 1motivation and Backgroundmentioning

confidence: 99%

Section: Introduction 1motivation and Backgroundmentioning

confidence: 99%

Optimal Utilisation of Grid Capacity for Connection of New Renewable Power Plants in Norway

Stave

Dynge

Farahmand

et al. 2021

2021 International Conference on Smart Energy Systems and Technologies (SEST)

View full text Add to dashboard Cite

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AC Optimal Power Flow in Power Systems With Renewable Energy Integration: A Review of Formulations and Case Studies

Wang,

Younesi,

Liu

et al. 2023

IEEE Access

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The primary goal of a power system is to provide consumers with reliable access to power at the most economical cost. Under the declining costs of renewable energy sources, the increasing cost of natural gas, and growing emissions control policies, investment in variable renewable energy (VRE) sources including wind and solar is accelerating. As a fundamental optimization tool in the operation and planning of electric power systems, the optimal power flow (OPF) is critical for setting the optimal state of control variables by minimizing desired objective while satisfying all related constraints. However, a comprehensive review of the generic OPF framework that includes all categories of objectives, control variables, and constraints will provide a valuable background to many of the integration studies that are necessary to facilitate the transition of energy systems. A comprehensive OPF framework is essential for researchers to identify the most critical challenges to their applications to develop new solution methods to improve computational efficiency and to take advantage of the increasing computing power to reduce the number of approximations in OPF models. In this work, we aim to provide a comprehensive survey and a generic OPF formulation, along with a detailed explanation of the major formulations for conventional OPF objective functions, control variables, and network constraints, in particular those related to the handling of VREs. This article also highlights the modeling and challenges in the distribution system, and potential formulations to incorporate with the significant variability and intermittency of VRE sources. In addition to a discussion of various formulations and foci for the OPF problem, we compare the implications of these decisions on a small case study to highlight differences.INDEX TERMS Control variables, equality constraints, inequality constraints, objective function, optimal power flow, renewable energy integration, traditional power systems.

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A Fair Allocation Method of Curtailed Power for Wind Farms Considering Transmission Line Capacity and Conditions for Fair Allocation

Sugawara

Saitoh

2021

TENCON 2021 - 2021 IEEE Region 10 Conference (TENCON)

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Minimising wind power curtailments using OPF considering voltage stability

Cited by 3 publications

References 8 publications

Optimal Utilisation of Grid Capacity for Connection of New Renewable Power Plants in Norway

Optimal Utilisation of Grid Capacity for Connection of New Renewable Power Plants in Norway

AC Optimal Power Flow in Power Systems With Renewable Energy Integration: A Review of Formulations and Case Studies

A Fair Allocation Method of Curtailed Power for Wind Farms Considering Transmission Line Capacity and Conditions for Fair Allocation

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