Transition From Grid-Connected to Islanded Drooped Microgrid Based on Islanding Detection Scheme

Salem, Qusay; Xie, Junhao

doi:10.2316/journal.203.2016.3.203-6233

Cited by 10 publications

(2 citation statements)

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“…It operates in grid connected and islanded modes. In grid connected mode, MG is added to the main line through the point of common coupling (PCC) and the power is affected by the main line power . When a fault occurs, the MG interrupts from the grid that activates the islanded mode .…”

Section: Introductionmentioning

confidence: 99%

Multivariable integral linear quadratic Gaussian robust control of islanded microgrid to mitigate voltage oscillation for improving transient response

Sarker

Badal

Das

et al. 2019

Asian Journal of Control

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A novel robust integral linear quadratic Gaussian (ILQG) controller is presented in this paper to control the voltage of islanded microgrid and improves its transient response. Microgrid is a small grid that consists of number of distributed generator units, power-electronic components with inductor-capacitor (LC) filters and loads. The loads are parametrically uncertain and unknown that produces the voltage or power oscillation. The ILQG controller is capable to compensate for the voltage oscillation and exhibits the tracking of grid voltage against the different load dynamics. The design of ILQG controller is carried out by augmenting the plant dynamics with an integrator. The robustness of the ILQG controller is studied by considering a number of uncertainties within the plant model. The performance of ILQG controller is compared with linear quadratic regulator (LQR) and linear quadratic Gaussian (LQG) controller in terms of rise time, settling time, bandwidth and tracking error. The comparison results ensure the high bandwidth and tracking performance of ILQG controller as compared to other controllers. KEYWORDS integral linear quadric Gaussian control, microgrid, voltage control

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Section: Introductionmentioning

confidence: 99%

Multivariable integral linear quadratic Gaussian robust control of islanded microgrid to mitigate voltage oscillation for improving transient response

Sarker

Badal

Das

et al. 2019

Asian Journal of Control

View full text Add to dashboard Cite

show abstract

“…For islanded operation of microgrid various control strategies have been presented in the technical literature. Hence, for the control of voltage and frequency of an islanded microgrid droop control method is well known technique [5,7,8]. In this method parallel inverters are used which enable inverting the supply voltage.…”

Section: Introductionmentioning

confidence: 99%

Robust Positive Position Feedback Controller for Voltage Control of Islanded Microgrid

Datta¹,

Sheikh²,

Sarkar³

et al. 2018

IJECEC

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This paper presents the design of robust positive position feedback (PPF) controller to control the grid voltage for an islanded microgrid. The microgrid consists of several distributed generators (DG) and local loads which is partially unknown and uncertain. The controller is designed in a way that it shows the robustness against unmodeled loads, dynamic loads and harmonic loads. The dynamics of the plant is identified using differential equations. The design of the controller is presented based on negative imaginary approach. The simulation results presented in the paper show that the controller provides extensive improvement in the voltage control of islanded microgrid under different uncertainties.

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Voltage and current control augmentation of islanded microgrid using multifunction model reference modified adaptive PID controller

Siddique

Munsi

Das

et al. 2019

International Journal of Electrical Power & Energy Systems

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Transition From Grid-Connected to Islanded Drooped Microgrid Based on Islanding Detection Scheme

Cited by 10 publications

References 0 publications

Multivariable integral linear quadratic Gaussian robust control of islanded microgrid to mitigate voltage oscillation for improving transient response

Multivariable integral linear quadratic Gaussian robust control of islanded microgrid to mitigate voltage oscillation for improving transient response

Robust Positive Position Feedback Controller for Voltage Control of Islanded Microgrid

Voltage and current control augmentation of islanded microgrid using multifunction model reference modified adaptive PID controller

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