A Simulation Model for Providing Analysis of Wind Farms Frequency and Voltage Regulation Services in an Electrical Power System

Bialas, Hubert; Pawełek, R.; Wasiak, I.

doi:10.3390/en14082250

Cited by 4 publications

(1 citation statement)

References 60 publications

(68 reference statements)

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“…If the line voltage drop of each inverter were to fully be compensated, it would not be possible to achieve a consistent voltage among the inverters in the microgrid. The problem of reactive power balance and voltage compensation is therefore a major challenge for microgrid control, and this problem is now starting to receive more and more research attention [48,49].…”

Section: Power-balance Problem From Inverter Grid Impedance Mismatchmentioning

confidence: 99%

Secondary-Frequency and Voltage-Regulation Control of Multi-Parallel Inverter Microgrid System

Dong

Gong²,

Bao³

et al. 2022

Energies

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As an important form of distributed renewable energy utilization and consumption, the multi-parallel inverter microgrid system works in both an isolated and grid-connected operation mode. Secondary-frequency and voltage-regulation control are very important in solving problems that appears in these systems, such as the distributed secondary-frequency regulation real-time scheme, voltage and reactive power balancing, and the secondary-frequency regulation control under the disturbances and unbalanced conditions of a microgrid system. This paper introduces key technologies related to these issues, such as the consensus algorithm and event-triggered technique, the dynamic and adaptive virtual impedance technique, and the robust and self-anti-disturbance control technique. Research and design methods such as small-signal state-space analysis, the Lyapunov function design method, the impedance analysis method, μ-synthesis design, and the LMI matrix design method are adopted to solve the issues in secondary-frequency regulation and voltage regulation. As the number of inverters increases, the structure of the microgrid becomes more and more complex. Suggestions and prospects for future research are provided to realize control with low-communication technology and a distributed scheme. Finally, for the case study, the droop-control model and primary frequency/voltage deviation of a multi-parallel inverter microgrid system is analyzed, and a state-space model of a multi-parallel inverter microgrid system with a droop-control loop is established. Then, the quantitative relationship between the primary frequency/voltage deviation and the active and reactive power output in the system is discussed. The methods and problems of centralized and decentralized secondary-frequency regulation methods, secondary-frequency regulation methods based on a consensus algorithm and an event-triggered mechanism, reactive power and voltage equalization, power distribution, and small-signal stability of the multiple parallel inverter microgrid system regarding the virtual impedance loop are analyzed.

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Section: Power-balance Problem From Inverter Grid Impedance Mismatchmentioning

confidence: 99%

Secondary-Frequency and Voltage-Regulation Control of Multi-Parallel Inverter Microgrid System

Dong

Gong²,

Bao³

et al. 2022

Energies

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Medium and long term voltage stability simulation of power system under high proportion of new energy substitution

Zhao

Sun

Jun

et al. 2021

J. Phys.: Conf. Ser.

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Applicability of multi-agent control for virtual inertia modes in a wind power plant

Astapov

2024

jour

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This work presents a literature review devoted to increasing the efficiency and quality of managing wind power plants. The analysis focuses on mitigating the adverse effects of wind turbines on the power system and providing system services, such as primary frequency regulation. Nearly 150 scientific publications and reviews, selected from various scientific sources (such as IEEE, Web of Science and Scopus) by the keywords, including “wind power station”, “wind turbine”, “multi-agent control”, “virtual inertia”, “microgrid”, “virtual power plant”, and “frequency control”, were evaluated.A systematic review methodology of specialised sources was applied, which offers a defined structure for this field of research by categorising articles. The study emphasises the urgency of developing technologies to increase the regulation capacity of a wind power plant, since the low inertia of renewable energy sources leads to a decrease in the stability of power systems, a significant proportion of which accounts for wind power plants. It follows from the literature review that one of the means to increase the stability of such power systems is the creation of virtual inertia for wind power plants. However, due to the limited capacity and control capabilities of each individual wind turbine, the efficiency of introduced virtual inertia may be insufficient, when implemented for individual units. Moreover, it is shown that uncoordinated control can affect the stability of the system. In this review, the specific sources considering coordinated multi-agent control of the virtual inertia for several wind turbines (wind power plants) were analysed. The review concludes that the proposed approach is currently understudied, while the outlined theses can be confirmed by developing the necessary algorithms and analysing the results.

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A Simulation Model for Providing Analysis of Wind Farms Frequency and Voltage Regulation Services in an Electrical Power System

Cited by 4 publications

References 60 publications

Secondary-Frequency and Voltage-Regulation Control of Multi-Parallel Inverter Microgrid System

Secondary-Frequency and Voltage-Regulation Control of Multi-Parallel Inverter Microgrid System

Medium and long term voltage stability simulation of power system under high proportion of new energy substitution

Applicability of multi-agent control for virtual inertia modes in a wind power plant

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