Searched for: subject%3A%22load%255C%2Bmodel%22
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Watchorn, John (author)
The purpose of this study has been to develop an aerodynamic load model for the energy harvesting (traction) phase of leading-edge inflatable (LEI) kites operating in an airborne wind energy (AWE) context. The load model stems from multivariate polynomial regression analyses expressing the airfoil lift, drag and moment coefficients as polynomial...
master thesis 2023
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Duque, Edgar Mauricio Salazar (author), Giraldo, Juan S. (author), Vergara Barrios, P.P. (author), Nguyen, Phuong H. (author), van der Molen, Anne (author), Slootweg, J. G. (author)
This article proposes a framework to identify, visualize, and quantify risk of potential over/under voltage due to annual energy consumption and PV generation growth. The stochastic modeling considers the following: (i) Active and reactive power profiles for distribution transformers, dependent on annual energy consumption and activity in the...
journal article 2023
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Wang, C. (author), Sharifnia, E. (author), Gao, Zhi (author), Tindemans, Simon H. (author), Palensky, P. (author)
For planning of power systems and for the calibration of operational tools, it is essential to analyse system performance in a large range of representative scenarios. When the available historical data is limited, generative models are a promising solution, but modelling high-dimensional dependencies is challenging. In this paper, a...
journal article 2022
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Lei, Jintao (author), Qin, Z. (author), Li, Wuhua (author), Bauer, P. (author), He, Xiangning (author)
A shunt active power filter (SAPF) is coupled with load admittance in weak grid conditions, which poses a challenge to stability analysis. In this article, the admittance model of the SAPF is developed, which reveals the coupling mechanism between SAPF and load concisely and accurately. On top of that, the stability region of the system is...
journal article 2021
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Salazar, Mauricio (author), Vergara Barrios, P.P. (author), Nguyen, Phuong H. (author), van der Molen, Anne (author), Slootweg, J.G. (author)
The development of thorough probability models for highly volatile load profiles based on smart meter data is crucial to obtain accurate results when developing grid planning and operational frameworks. This paper proposes a new top-down modeling approach for residential load profiles (RLPs) based on multivariate elliptical copulas that can...
journal article 2021
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Alfreðsson, Andri (author)
With increased awareness of anthropogenic emissions, industries and sectors worldwide are changing rapidly. One of those sectors is the transport sector which has seen immense change with the increase of electric vehicles in recent years. Although these electric vehicles reduce emissions and are a welcoming sign of change, they greatly increase...
master thesis 2020
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Joseph, A. (author), Cvetkovic, M. (author), Palensky, P. (author)
Predictive mitigation of undesired events has long been seen as a supportive complement to corrective mitigation that could relax the stringent requirements on the corrective<br/>actions and increase reliability of the overall system. This article describes one such predictive measure, i.e. the use of faster than real-time simulation in...
conference paper 2018
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Cui, Z. (author), Chen, Xianping (author), Fan, Xuejun (author), Zhang, Kouchi (author)
Interfacial properties of Cu/SiO2 in semiconductor devices has continued to be the subject of challenging study for many years because of its difficulties in experimentally quantifying the critical strength of interface. In this paper, a multi-scale modeling approach is built to characterize the interfacial properties between Cu and SiO2. In...
conference paper 2018
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Fiedler, Davide (author), Čertický, Michal (author), Alonso Mora, J. (author), Cáp, M. (author)
In densely populated-cities, the use of private cars for personal transportation is unsustainable, due to high parking and road capacity requirements. The mobility-on-demand systems have been proposed as an alternative to a private car. Such systems consist of a fleet of vehicles that the user of the system can hail for one-way point-to-point...
conference paper 2018
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Cui, Z. (author), Zhang, Yingying (author), Yang, Qun (author), Zhang, Kouchi (author), Chen, Xianping (author)
Interfacial properties of Cu/SiO<sub>2</sub> in semiconductor devices has been a challenging study for many years because of its difficulties in experimentally quantifying the critical strength of interface. In this paper, a multi-scale modeling approach is built to characterize the interfacial properties between Cu and SiO<sub>2</sub>. The...
conference paper 2018
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Gbadamosi, Abdulrasaq (author)
The accuracy of modelling distribution networks plays a very important role in analysing the stability of transmission systems. In recent years, due to the surge in the integration of renewable energy resources via power electronic interfaces, distribution networks are evolving from passive networks to modern active networks. This means that...
master thesis 2017
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Schwarting, Wilko (author), Alonso Mora, J. (author), Paull, Liam (author), Karaman, Sertac (author), Rus, Daniela (author)
High-end vehicles are already equipped with safety systems, such as assistive braking and automatic lane following, enhancing vehicle safety. Yet, these current solutions can only help in low-complexity driving situations. In this paper, we introduce a parallel autonomy, or shared control, framework that computes safe trajectories for an...
journal article 2017
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Claessen, Felix N. (author), Kaisers, Michael (author), la Poutré, J.A. (author)
We present a unified model for flexibility services in the power system, identify two existing categories (ramping and loading) and introduce a new category (stalling). Each service is characterised by duration, capacity and effort, with associated prices. We show that the effort of stalling, measurable in kWh2, is a significant cost component...
conference paper 2017
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Ruelens, F (author), Claessens, BJ (author), Vandael, S (author), De Schutter, B.H.K. (author), Babuska, R. (author), Belmans, R (author)
Driven by recent advances in batch Reinforcement Learning (RL), this paper contributes to the application of batch RL to demand response. In contrast to conventional model-based approaches, batch RL techniques do not require a system identification step, making them more suitable for a large-scale implementation. This paper extends fitted Q...
journal article 2017
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Houtenbos, J.R. (author)
It was unclear what level of reliability was provided by appliance of the Eurocode load models for fatigue due to train loads, meaning that it might be insufficient. Therefore, it was investigated what the provided reliability is, compared to what is should be. Within this report, the focus is solely on fatigue induced by bending moments on...
master thesis 2016
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Fuchs, P.S. (author), Lele, A. (author), Venkatesha-Prasad, R.R. (author)
The Indian Energy grid is growing rapidly and there is a large simulation to improve not only the grid reliability, but also provide power for all by 2027. To this aim the Government of India has launched the Restructured Accelerated Power Development Program (RAPDRP). In India, residential loads contribute to about 27% of the total power...
conference paper 2015
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Luo, Y. (author)
A number of load modes and comfort design guidelines, with the purpose of analyzing the comfort level of target structure, has been introduced in the last few years. The approaches to these issues have in many cases been very different in both how much in detail it goes when describing the pedestrian load and to what extent the load case has to...
master thesis 2015
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Samadi, A. (author)
Long term supporting schemes for photovoltaic (PV) system installation have led to accommodating large numbers of PV systems within load pockets in distribution grids. High penetrations of PV systems can cause new technical challenges, such as voltage rise due to reverse power flow during light load and high PV generation conditions. Therefore,...
doctoral thesis 2014
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Van Beek, B.A.W.J. (author)
When large steep waves interact with a dynamically sensitive structure, the extreme responses sometimes include a burst of significant structural dynamics: 'Ringing', which is like the vibration of a bell struck by a hammer. This behaviour indicates that the excitation is nonlinear. To explain this behaviour a third order fluid loading model has...
master thesis 1997
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