Novel adaptive hysteresis current control of bidirectional three phase PWM converter under reduced switching scheme

Suhara, E M; Nandakumar, M.; Mathew, K.

doi:10.1109/pedes.2016.7914452

Cited by 7 publications

(12 citation statements)

References 11 publications

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“…Denote (A c,i , B c,i ) as the pair of the state-space matrices in Equation (8) correspond to the four possible combination of the extreme values of L f and R f :…”

Section: Problem Formulationmentioning

confidence: 99%

“…Thus, numerous control strategies propose a model-based voltage/current controller for an IC. In [8], by employing an adaptive hysteresis control method, the switching loss of the traditional hysteresis control is reduced. Furthermore, a model predictive control (MPC) is proposed to optimize the control input [9].…”

Section: Introductionmentioning

confidence: 99%

“…The filter parameters are essential for the design procedure. In such model-based control schemes [8][9][10], it is assumed that the parameters in the model are known. However, due to manufacturing and thermal effects, the inductors, resistors, and capacitors can be different from the designed values.…”

Section: Introductionmentioning

confidence: 99%

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A Robust Suboptimal Current Control of an Interlink Converter for a Hybrid AC/DC Microgrid

2018

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A hybrid AC/DC microgrid is established with the aim of exploiting numerous types of renewable energy to meet the needs of different loads. The microgrid is decomposed by AC DC sub-grids which are connected by an interlink converter (IC). To maintain the security and reliability of the microgrid, an automatic controller for the interlink converter is needed. In this paper, we propose a Linear Matrix Inequalities (LMI)-based current control method for the interlink converter. As the main features here, the interlink converter permits bidirectional power exchange between both sub-grids when a power-demand imbalance occurs in one sub-grid regardless of the converter system parameters. Simulations with various filter parameters are performed using the Matlab/Simulink software to validate the effectiveness of the proposed controller. In comparison with the existing Linear Quadratic Regulator (LQR)-based current control, the proposed method is more robust against unknown system parameters and high load perturbation.

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“…Denote (A c,i , B c,i ) as the pair of the state-space matrices in Equation (8) correspond to the four possible combination of the extreme values of L f and R f :…”

Section: Problem Formulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Robust Suboptimal Current Control of an Interlink Converter for a Hybrid AC/DC Microgrid

2018

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“…Robust current control for the IC is investigated by [3]. Some literatures [4][5][6][7] show interest in the optimal control method for the IC controller. For example, an adaptive hysteresis control method is designed by [4] such that the switching loss of the traditional hysteresis is reduced.…”

mentioning

confidence: 99%

“…Some literatures [4][5][6][7] show interest in the optimal control method for the IC controller. For example, an adaptive hysteresis control method is designed by [4] such that the switching loss of the traditional hysteresis is reduced. Another used a finite state model predictive control (MPC) to include the switching state in the optimization cost function [5].…”

mentioning

confidence: 99%

An Optimal Current Control of Interlink Converter Using an Explicit Model Predictive Control

Fitri¹,

Kim²

2018

IJFIS

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An interlink converter (IC) presents in a hybrid microgrid allowing a bidirectional power exchange between AC and DC sub-grids. In this paper, a model predictive control (MPC)-based IC current controller is employed, taking the current constraint into account to ensure the safety of IC. To reduce online computation burden of the MPC, a tabular form of MPC named Explicit MPC is applied. The simulation result shows that the proposed IC controller successfully maintains the power supply-demand balance of the hybrid microgrid. Moreover, the proposed method keeps the power exchange value in the acceptable range, particularly under high loading condition.

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Adaptive hysteresis based multifunctional electric vehicle charger with a single feedback loop controller

Suhara

Nandakumar

Mathew³

2018

J. eng.

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Novel adaptive hysteresis current control of bidirectional three phase PWM converter under reduced switching scheme

Cited by 7 publications

References 11 publications

A Robust Suboptimal Current Control of an Interlink Converter for a Hybrid AC/DC Microgrid

A Robust Suboptimal Current Control of an Interlink Converter for a Hybrid AC/DC Microgrid

An Optimal Current Control of Interlink Converter Using an Explicit Model Predictive Control

Adaptive hysteresis based multifunctional electric vehicle charger with a single feedback loop controller

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