Contribution of wind farms to the stability of power systems with high penetration of renewables

Autor: Jesús Martínez, Santiago Arnaltes, Jose Luis Rodriguez Amenedo, J. Alonso-Martinez
Přispěvatelé: Ministerio de Ciencia, Innovación y Universidades (España)
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Energies; Volume 14; Issue 8; Pages: 2207
Energies, Vol 14, Iss 2207, p 2207 (2021)
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
Popis: This article belongs to the Special Issue Modeling and Control of Wind Energy Conversion Systems. Power system inertia is being reduced because of the increasing penetration of renewable energies, most of which use power electronic interfaces with the grid. This paper analyses the contribution of inertia emulation and droop control to the power system stability. Although inertia emulation may appear the best option to mitigate frequency disturbances, a thorough analysis of the shortcomings that face real-time implementations shows the opposite. Measurement noise and response delay for inertia emulation hinder controller performance, while the inherently fast droop response of electronic converters provides better frequency support. System stability, expressed in terms of rate of change of frequency (ROCOF) and frequency nadir, is therefore improved with droop control, compared to inertia emulation. This research was funded by the Spanish Ministry of Science, Innovation and Universities grant number PID2019-106028RB-I00
Databáze: OpenAIRE