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Open AccessArticle

Analysis of the Implementation of the Primary and/or Inertial Frequency Control in Variable Speed Wind Turbines in an Isolated Power System with High Renewable Penetration. Case Study: El Hierro Power System

1
Department of Hydraulic, Energy and Environmental Engineering, Universidad Politécnica de Madrid, C/Profesor Aranguren 3, 28040 Madrid, Spain
2
Department of Automation, Electrical Engineering and Electronics, and Industrial Informatics, ETSI-Industriales, Universidad Politecnica de Madrid, C/Jose Gutierrez Abascal, 2, 28006 Madrid, Spain
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(6), 901; https://doi.org/10.3390/electronics9060901
Received: 26 April 2020 / Revised: 26 May 2020 / Accepted: 27 May 2020 / Published: 28 May 2020
With high levels of wind energy penetration, the frequency response of isolated power systems is more likely to be affected in the event of a sudden frequency disturbance or fluctuating wind conditions. In order to minimize excessive frequency deviations, several techniques and control strategies involving Variable Speed Wind Turbines (VSWTs) have been investigated in isolated power systems. In this paper, the main benefits and disadvantages of introducing VSWTs—both their inertial contribution and primary frequency regulation—in an exclusively renewable isolated power system have been analyzed. Special attention has been paid to the influence of the delays of control signals in the wind farm when VSWTs provide primary regulation as well as to the wind power reserve value which is needed. To achieve this objective, a methodology has been proposed and applied to a case study: El Hierro power system. A mathematical dynamic model of the isolated power system, including exclusively renewable technologies, has been described. Representative generation schedules and wind speed signals have been fixed according to the observed system. Finally, in order to obtain conclusions, realistic system events such as fluctuations in wind speed and the outage of the generation unit with the higher assigned power in the power system have been simulated. View Full-Text
Keywords: isolated power system; frequency regulation; variable speed wind turbine; primary frequency regulation; inertia emulation isolated power system; frequency regulation; variable speed wind turbine; primary frequency regulation; inertia emulation
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MDPI and ACS Style

Martínez-Lucas, G.; Sarasúa, J.I.; Pérez-Díaz, J.I.; Martínez, S.; Ochoa, D. Analysis of the Implementation of the Primary and/or Inertial Frequency Control in Variable Speed Wind Turbines in an Isolated Power System with High Renewable Penetration. Case Study: El Hierro Power System. Electronics 2020, 9, 901. https://doi.org/10.3390/electronics9060901

AMA Style

Martínez-Lucas G, Sarasúa JI, Pérez-Díaz JI, Martínez S, Ochoa D. Analysis of the Implementation of the Primary and/or Inertial Frequency Control in Variable Speed Wind Turbines in an Isolated Power System with High Renewable Penetration. Case Study: El Hierro Power System. Electronics. 2020; 9(6):901. https://doi.org/10.3390/electronics9060901

Chicago/Turabian Style

Martínez-Lucas, Guillermo; Sarasúa, José I.; Pérez-Díaz, Juan I.; Martínez, Sergio; Ochoa, Danny. 2020. "Analysis of the Implementation of the Primary and/or Inertial Frequency Control in Variable Speed Wind Turbines in an Isolated Power System with High Renewable Penetration. Case Study: El Hierro Power System" Electronics 9, no. 6: 901. https://doi.org/10.3390/electronics9060901

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