A Novel Control Architecture for Hybrid Power Plants to Provide Coordinated Frequency Reserves

Daniel Vazquez Pombo, Florin Iov, Daniel-Ioan Stroe

Research output: Contribution to journalJournal articleResearchpeer-review

2 Citations (Scopus)
26 Downloads (Pure)

Abstract

The inertia reduction suffered by worldwide power grids, along with the upcoming necessity of providing frequency regulation with renewable sources, motivates the present work. This paper focuses on developing a control architecture aimed to perform frequency regulation with renewable hybrid power plants comprised of a wind farm, solar photovoltaic, and a battery storage system. The proposed control architecture considers the latest regulations and recommendations published by ENTSO-E when implementing the first two stages of frequency control, namely the fast frequency response and the frequency containment reserve. Additionally, special attention is paid to the coordination among sub-plants inside the hybrid plant and also between different plants in the grid. The system’s performance is tested after the sudden disconnection of a large generation unit (N-1 contingency rules). Thus, the outcome of this study is a control strategy that enables a hybrid power plant to provide frequency support in a system with reduced inertia, a large share of renewable energy, and power electronics-interfaced generation. Finally, it is worth mentioning that the model has been developed in discrete time, using relevant sampling times according to industrial practice
Original languageEnglish
Article number919
JournalEnergies
Volume12
Issue number5
Number of pages17
ISSN1996-1073
DOIs
Publication statusPublished - Mar 2019

Fingerprint

Power Plant
Power plants
Inertia
Grid
Power electronics
Power Electronics
Renewable Energy
Farms
Frequency response
Storage System
Frequency Response
Battery
Control Strategy
System Performance
Sampling
Recommendations
Discrete-time
Architecture
Unit

Keywords

  • Hybrid power plant
  • Control architecture
  • Coordination of reserves
  • Frequency support
  • Frequency control dead band
  • Fast frequency response
  • Frequency containment reserve

Cite this

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title = "A Novel Control Architecture for Hybrid Power Plants to Provide Coordinated Frequency Reserves",
abstract = "The inertia reduction suffered by worldwide power grids, along with the upcoming necessity of providing frequency regulation with renewable sources, motivates the present work. This paper focuses on developing a control architecture aimed to perform frequency regulation with renewable hybrid power plants comprised of a wind farm, solar photovoltaic, and a battery storage system. The proposed control architecture considers the latest regulations and recommendations published by ENTSO-E when implementing the first two stages of frequency control, namely the fast frequency response and the frequency containment reserve. Additionally, special attention is paid to the coordination among sub-plants inside the hybrid plant and also between different plants in the grid. The system’s performance is tested after the sudden disconnection of a large generation unit (N-1 contingency rules). Thus, the outcome of this study is a control strategy that enables a hybrid power plant to provide frequency support in a system with reduced inertia, a large share of renewable energy, and power electronics-interfaced generation. Finally, it is worth mentioning that the model has been developed in discrete time, using relevant sampling times according to industrial practice",
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A Novel Control Architecture for Hybrid Power Plants to Provide Coordinated Frequency Reserves. / Pombo, Daniel Vazquez; Iov, Florin; Stroe, Daniel-Ioan.

In: Energies, Vol. 12, No. 5, 919, 03.2019.

Research output: Contribution to journalJournal articleResearchpeer-review

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AU - Pombo, Daniel Vazquez

AU - Iov, Florin

AU - Stroe, Daniel-Ioan

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N2 - The inertia reduction suffered by worldwide power grids, along with the upcoming necessity of providing frequency regulation with renewable sources, motivates the present work. This paper focuses on developing a control architecture aimed to perform frequency regulation with renewable hybrid power plants comprised of a wind farm, solar photovoltaic, and a battery storage system. The proposed control architecture considers the latest regulations and recommendations published by ENTSO-E when implementing the first two stages of frequency control, namely the fast frequency response and the frequency containment reserve. Additionally, special attention is paid to the coordination among sub-plants inside the hybrid plant and also between different plants in the grid. The system’s performance is tested after the sudden disconnection of a large generation unit (N-1 contingency rules). Thus, the outcome of this study is a control strategy that enables a hybrid power plant to provide frequency support in a system with reduced inertia, a large share of renewable energy, and power electronics-interfaced generation. Finally, it is worth mentioning that the model has been developed in discrete time, using relevant sampling times according to industrial practice

AB - The inertia reduction suffered by worldwide power grids, along with the upcoming necessity of providing frequency regulation with renewable sources, motivates the present work. This paper focuses on developing a control architecture aimed to perform frequency regulation with renewable hybrid power plants comprised of a wind farm, solar photovoltaic, and a battery storage system. The proposed control architecture considers the latest regulations and recommendations published by ENTSO-E when implementing the first two stages of frequency control, namely the fast frequency response and the frequency containment reserve. Additionally, special attention is paid to the coordination among sub-plants inside the hybrid plant and also between different plants in the grid. The system’s performance is tested after the sudden disconnection of a large generation unit (N-1 contingency rules). Thus, the outcome of this study is a control strategy that enables a hybrid power plant to provide frequency support in a system with reduced inertia, a large share of renewable energy, and power electronics-interfaced generation. Finally, it is worth mentioning that the model has been developed in discrete time, using relevant sampling times according to industrial practice

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