A literature review on integration of distributed energy resources in the perspective of control, protection and stability of microgrid

Basak, Prasenjit; Dey, Soumyajit; Chowdhury, S.

doi:10.1016/j.rser.2012.05.043

Cited by 452 publications

(221 citation statements)

References 65 publications

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“…The introduction of the energy store can reduce the overall renewable curtailment and increase distribution system efficiency by reducing peak power flows and reducing voltage instabilities. The extent of this effect is, as yet, un-quantified [22].…”

Section: Domestic Battery Considerationsmentioning

confidence: 99%

Comparative analysis of domestic and feeder connected batteries for low voltage networks with high photovoltaic penetration

Hilton

Cruden

Kent

2017

Journal of Energy Storage

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Excessive voltage and power flow issues associated with domestic solar power are threatening UK distribution system operation and the use of energy storage is one method proposed to mitigate these issues. In this study a data orientated approach was taken in order to simulate the effect of the location of the energy storage on the low voltage network. A number of small (<15kWh) domestic batteries were compared to a single larger (>50kWh) feeder connected battery in terms of their ability to shave load demand peaks, fill load demand valleys and counter voltage violations on a typical radial feeder system. To achieve this MatLab was used to create dispatch strategies for each battery and introduce them into an aggregated load, and OpenDSS was then used to model this scenario on a typical UK radial feeder based on the IEEE European Low Voltage Test Case.It was found that the feeder connected battery was more successful at mitigating the thermal overload effects of distributed generation at the low voltage level. Domestic batteries offer ease of installation and consumer support, likely to make their utilisation increasingly inevitable. However, their exposure to domestic energy flows and focus on minimising grid import to the home led to a reduced network level impact. This work shows that a feeder connected battery can respond to the power flows of the aggregated load and thus provides a far more capable tool for reducing network peak loads and preventing feeder system export.

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Section: Domestic Battery Considerationsmentioning

confidence: 99%

Comparative analysis of domestic and feeder connected batteries for low voltage networks with high photovoltaic penetration

Hilton

Cruden

Kent

2017

Journal of Energy Storage

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“…DC microgrids (DCMGs) based on DG units produce the DC power which would be easily connected to the DC bus line. In this case, the AC DG units need an AC/DC power converter for their connection to the common DC bus line and DC/AC for their connection to the main AC grid (on grid mode) [6].…”

Section: Introductionmentioning

confidence: 99%

Analysis, Modeling, and Control of an AC Microgrid System Based on Green Energy

Oukaour¹,

Gualous²,

Youssef³

et al. 2024

RE&PQJ

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Abstract.The integration of distributed generators (DGs), electric storage system (ESS), distributed electric loads and the utility grid through the point of common coupling is called microgrid (MG) .The coordinated operation of MG and the main utility grid with variable load demand is controlled by using microgrid control center (MGCC). MGCC methodology is introduced to regulate power flow for each source depends on the outputs commands from MG energy management center (MGEMC). This paper is focused only on developing an efficient and fast MGCC based on power control mode taking into account the outputs commands from MGEMC without considering its strategy. The MG in this paper is assumed to be interconnected to the main utility gird, and can purchase some power from utility grid at off-peak hours or when the production of the MG is insufficient to meet the load demand. On the other hand, there is a daily income to the MG when the generated power exceeds the load demand during on-peak hours. The proposed MGCC and electrical power system is simulated using Matlab/Simulink.

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“…Similarly, they have been controlled and managed using various control strategies and architectures [6], [7]. Their network topologies and control strategies are mainly determined to maximize the benefits while meeting the load requirements.…”

Section: Introductionmentioning

confidence: 99%

Autonomous power management for interlinked AC-DC microgrids

Nutkani¹,

Meegahapola²,

Andrew³

et al. 2018

CSEE JPES

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Abstract-The existing power management schemes for interlinked AC-DC microgrids have several operational drawbacks. Some of the existing control schemes are designed with the main objective of sharing power among the interlinked microgrids based on their loading conditions, while other schemes regulate the voltage of the interlinked microgrids without considering the specific loading conditions. However, the existing schemes cannot achieve both objectives efficiently. To address these issues, an autonomous power management scheme is proposed, which explicitly considers the specific loading condition of the DC microgrid before importing power from the interlinked AC microgrid. This strategy enables voltage regulation in the DC microgrid, and also reduces the number of converters in operation. The proposed scheme is fully autonomous while it retains the plug-nplay features for generators and tie-converters. The performance of the proposed control scheme has been validated under different operating scenarios. The results demonstrate the effectiveness of the proposed scheme in managing the power deficit in the DC microgrid efficiently and autonomously while maintaining the better voltage regulation in the DC microgrid.

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A literature review on integration of distributed energy resources in the perspective of control, protection and stability of microgrid

Cited by 452 publications

References 65 publications

Comparative analysis of domestic and feeder connected batteries for low voltage networks with high photovoltaic penetration

Comparative analysis of domestic and feeder connected batteries for low voltage networks with high photovoltaic penetration

Analysis, Modeling, and Control of an AC Microgrid System Based on Green Energy

Autonomous power management for interlinked AC-DC microgrids

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