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

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Resumé

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
OriginalsprogEngelsk
TidsskriftEnergies
Vol/bind12
Udgave nummer5
Antal sider17
ISSN1996-1073
DOI
StatusUdgivet - mar. 2019

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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

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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",
    keywords = "Hybrid power plant, Control architecture, Coordination of reserves, Frequency support, Frequency control dead band, Fast frequency response, Frequency containment reserve",
    author = "Pombo, {Daniel Vazquez} and Florin Iov and Daniel-Ioan Stroe",
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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.

    I: Energies, Bind 12, Nr. 5, 03.2019.

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

    TY - JOUR

    T1 - A Novel Control Architecture for Hybrid Power Plants to Provide Coordinated Frequency Reserves

    AU - Pombo, Daniel Vazquez

    AU - Iov, Florin

    AU - Stroe, Daniel-Ioan

    PY - 2019/3

    Y1 - 2019/3

    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

    KW - Hybrid power plant

    KW - Control architecture

    KW - Coordination of reserves

    KW - Frequency support

    KW - Frequency control dead band

    KW - Fast frequency response

    KW - Frequency containment reserve

    U2 - 10.3390/en12050919

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