Overview of the wind energy market and renewable energy policy in Romania

Chioncel, Cristian Paul; Tirian, Gelu Ovidiu; Gillich, Nicoleta; Haţiegan, Cornel; Spunei, Elisabeta

doi:10.1088/1757-899x/163/1/012009

Cited by 14 publications

(4 citation statements)

References 3 publications

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“…Result: (8) The total energy gained in this time interval is: (9) The sum of the energies: the kinetic energy ∆WCINETIC corresponding to the two mechanical angular velocities ω(0) and ωOPTIM(33) and the wind energy that is captured by the wind turbine in the time interval ∆t=33 s implies the value of the energy required to be taken over by the generator in point F-MPP and has the value: (10)…”

Section: Resultsmentioning

confidence: 99%

Methods to improve wind turbine control

Dumitrescu

Dordescu²,

Drăgan³

2023

Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies XI

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Tracking the maximum power point (MPP) represents the essence of the variable speed control of wind turbines since it determines their efficiency. The MPP is achieved by always adapting the wind turbine’s speed to the wind speed. This paper presents a study of methods to improve the control of wind turbines. One of these methods is the minimization of the time interval required for the wind turbine to achieve maximum power. Minimizing the time it takes to bring the speed/VUM, ω, from GE to the optimum value, ωOPTIM, is made at the maximum value for GE current. The study is based on the wind speed measurements collected from a wind farm located in Dobrogea, Romania. In this paper we have studied the methods of optimizing the control of wind turbines with an emphasis on minimizing the time required to bring wind turbines in the optimal area, from an energy point of view knowing the wind speed and, based on this, the optimal mechanical angular velocity, charges the electric generator, (at the rated current value), if 𝜔⋗ 〖ω〗 _OPTIM, or discharges, (zero power), if 𝜔⋖ 〖ω〗 _OPTIM. This ensures maximum wind energy capture. The study is based on the wind speed measurements collected from a wind farm located in Dobrogea, Romania.

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Section: Resultsmentioning

confidence: 99%

Methods to improve wind turbine control

Dumitrescu

Dordescu²,

Drăgan³

2023

Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies XI

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“…As a general observation, the NECP's starting point for 2020 shows about 0.7 [GW] underestimate of generating capacity in comparison to TYNDP, [8], [9].…”

Section: Case Study: Comparison Between Necp and Tyndp For Romaniamentioning

confidence: 93%

RES growth linked to grid development. Case Study: Romania

Chioncel,

Anghel-Drugărin,

Tirian

2024

J. Phys.: Conf. Ser.

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The paper presents Romania to illustrate how more production capacities from renewable energy sources can be integrated as part of the environmental protection and geostrategic policies, in an accelerated energy transition process. Increasing electricity production, especially for the widespread development of wind turbines and rooftop solar PV systems, requires the development of the electrical grid and increased interconnection capacity. The authors of this report also take into account the behavior in different seasons, cold and warm, in terms of the amount of renewable energy injected into the network. The data used in the study is based on the interpreting and associations of various information at the national and European levels, highlighting that the benefits of renewable energy are not only seen in terms of significant reductions in environmental impact but also in terms of cheaper energy! In summary, it is assumed that in 2023-2026, the electricity demand at the level of quality indicators will be covered by investments in new generation facilities related to grid reinforcement measures.

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“…Rankings of RES risks by the level of hazards (EU countries): first (1), second (2) and third levels (3) Source:Ermolenko et al (2016) A number of other studies(Campatelli et al 2015;Chioncel et al 2017;Dia -Core 2016;Ermolenko et al 2016) also confirm that some of the most dangerous risks in renewable energy are the risks caused by a combination of different political factors:− Risks of sudden changes in the strategy of RES development and schemes of its support…”

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confidence: 92%

State support mechanisms and the leading renewable energy projects: a Russian experience

Chebotareva¹

2019

Proceedings of the 3rd International Conference On Social, Economic, and Academic Leadership (ICSEAL 2019)

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The importance of alternative energy development calls for the application of leading governmentbacked plans to stimulate this sector. However, the existing political uncertainty and sometimes ineffectiveness of state support increase the risks of renewable energy (RES) projects and, as a result of that, hinder the development of this industry. Therefore, it appears highly relevant to assess the soundness of the current government-sponsored policies on renewable energy development. This paper presents the main types of specific risks that are typical for renewable energy as well as the results of quantitative assessment of the profitability factors of renewable energy projects. The paper employs an energy-specific logit-model as its main methodical approach. On the basis of the model, the calculations were carried out using Russian RES projects as a case study. The projects are included in the priority areas of the sector development and constitute main types of state support. The results and calculations reveal the risk dynamics at the stages of the life cycle of RES projects that help to evaluate the effectiveness of state measures to support the sector. The results and outcomes of this paper are of practical importance and might be used for improving the existing approach to risk assessment in the RES market as well as in the development o f a concept of competition in the global energy market.

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Overview of the wind energy market and renewable energy policy in Romania

Cited by 14 publications

References 3 publications

Methods to improve wind turbine control

Methods to improve wind turbine control

RES growth linked to grid development. Case Study: Romania

State support mechanisms and the leading renewable energy projects: a Russian experience

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