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Activation schemes for synthetic inertia controller on wind turbines based on full rated converter

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conference contribution
posted on 04.06.2015, 11:05 authored by Francisco Gonzalez-Longatt
One of the challenges in future energy systems is the massive use of high power converters that decouple new energy sources from the AC power grid, disabling natural frequency response. This situation decreases the total system inertia affecting the ability of power system to overcome system frequency's disturbances. It has been established by the wind power industry a controller to enable inertial response on wind turbines generators (WTG) enabling the frequency response: Artificial, Emulated, Simulated, or Synthetic Inertia. However, there is a clear lack of knowledge about activation scheme used for these controllers and how they work in practical manner. This paper proposes two activation schemes for synthetic inertia controller on WTG based on full rated power converters (FRC): (i) under-frequency trigger and (ii) maximum-frequency gradient trigger. Simulations considering a test system are used for evaluation of the proposed activation schemes. The main contribution of this paper is the definition of two schemes to activate the synthetic inertia controller and the simulations results that demonstrate under-frequency trigger provides the best dynamic response in term of system frequency response.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Research Unit

  • Centre for Renewable Energy Systems Technology (CREST)

Published in

IEEE PowerTech 2015

Citation

GONZALEZ-LONGATT, F.M., 2015. Activation schemes for synthetic inertia controller on wind turbines based on full rated converter. IEEE PowerTech 2015, Eindhoven, the Netherlands, 29 June - 2 July 2015

Publisher

© IEEE

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2015

Notes

Accepted for the PowerTech Eindhoven 2015 conference (http://powertech2015-eindhoven.tue.nl/) © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Language

en

Location

Eindhoven, the Netherlands