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Open AccessArticle

Simultaneous Inertia Contribution and Optimal Grid Utilization with Wind Turbines

Wind Energy Technology Institute, Flensburg University of Applied Sciences, 24943 Flensburg, Germany
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Energies 2019, 12(15), 3013; https://doi.org/10.3390/en12153013
Received: 4 June 2019 / Revised: 24 July 2019 / Accepted: 25 July 2019 / Published: 5 August 2019
(This article belongs to the Special Issue Modern Power System Dynamics, Stability and Control)
This paper presents findings of a study on continuous feed-in management and continuous synthetic inertia contribution with wind turbines. A realistic case study, based on real measurements, is outlined. A wind turbine feeds into a weak feeder, such that its power has to be adapted to the permissible loading of this feeder. At the same time the wind turbine is to provide inertia to the grid by applying the previously published variable inertia constant controller. It is discussed that optimal grid utilization and simultaneous inertia contribution are mandatory for the frequency control in power systems that are heavily penetrated with renewable energies. The study shows that continuous feed-in management can be combined well with continuous inertia provision. There are hardly any negative consequences for the wind turbine. The benefits for the grid are convincing, both in terms of increased system utilization and in terms of provided inertia. It is concluded that wind turbines can enhance angular stability in a power system to a larger extent than conventional power plants. View Full-Text
Keywords: feed-in management; frequency domain; inertial energy; inertial response; power control; synthetic inertia; wind turbine feed-in management; frequency domain; inertial energy; inertial response; power control; synthetic inertia; wind turbine
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MDPI and ACS Style

Jauch, C.; Gloe, A. Simultaneous Inertia Contribution and Optimal Grid Utilization with Wind Turbines. Energies 2019, 12, 3013.

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