Reconfigurable hierarchical control of a microgrid developed with PV, wind, micro-hydro, fuel cell and ultra-capacitor

Wandhare, Rupesh G.; Thale, Sushil; Agarwal, Vivek

doi:10.1109/apec.2013.6520694

Cited by 21 publications

(9 citation statements)

References 14 publications

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“…According to (6), boost inductor can be determined when power and input voltage reach their maximum value. So, L B =0.2 mH.…”

Section: The Rms Value Of Common Used Switchesmentioning

confidence: 99%

“…Thus, compared with a single REGS, the micro-grid reduces the impact on the utility grid and improves the safety, stability and power supply quality. In micro-grid, the energy storage device, such as fuel cell, lead-acid battery, micro-turbine etc., Manuscript must be equipped for islanding operation [5][6][7] . Among all of the possible energy storage devices, proton exchange membrane fuel cell [8] (PEMFC) has the characteristic of low operating temperature, high efficiency, no environmental pollution.…”

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confidence: 99%

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Single-Stage and Boost-Voltage Grid-Connected Inverter for Fuel-Cell Generation System

Kan

Xie

et al. 2015

IEEE Trans. Ind. Electron.

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According to the requirement of fuel cell generation system, this paper presents a new single-stage and boost-voltage grid-connected inverter, as well as the signal modulation diagram in a line-cycle. In the proposed inverter, one of the bridge-legs is shared with a boost converter. The boost inductor current is designed in discontinuous conduction mode (DCM), which can effectively decrease low-frequency current ripple (LFCR) in output current of the fuel cell. The switching modes of the proposed inverter are analyzed in positive and negative half-line-cycles, respectively. The LFCR in the output current of fuel cell is analyzed, from which the design principle of boost voltage inductor is obtained. The per-unit current values of the shared switches and the loss of the whole system are derived and compared with the conventional inverter. Experimental verifications are presented to verify the theoretical analysis.

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“…According to (6), boost inductor can be determined when power and input voltage reach their maximum value. So, L B =0.2 mH.…”

Section: The Rms Value Of Common Used Switchesmentioning

confidence: 99%

mentioning

confidence: 99%

Single-Stage and Boost-Voltage Grid-Connected Inverter for Fuel-Cell Generation System

Kan

Xie

et al. 2015

IEEE Trans. Ind. Electron.

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“…Fuel cell (FC) stacks can provide power for the motors, either stand-alone or combined with renewable energy sources, such as photovoltaic modules or wind turbines [6]. Among various FC technologies available for vehicle application, the proton exchange membrane fuel cell (PEMFC) is regarded as the best candidate because of its high power density and low operating temperatures [7]- [9].…”

Section: Introductionmentioning

confidence: 99%

Practical Implementation of an Interleaved Boost Converter for Electric Vehicle Applications

Wen¹,

Su²

2015

Journal of Power Electronics

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This study presents a practical implementation of a multi-mode two-phase interleaved boost converter for fuel cell electric vehicle application. The main operating modes, which include two continuous conducting modes and four discontinuous conducting modes, are discussed. The boundaries and transitions among these modes are analyzed with consideration of the inductor parasitic resistance. The safe operational area is analyzed through a comparison of the different operating modes. The output voltage and power characteristics with open-loop or closed-loop operation are also discussed. Key performance parameters, including the DC voltage gain, input ripple current, output ripple voltage, and switch stresses, are presented and supported by simulation and experimental results.

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“…The tertiary control can be designed to regulate active and reactive power flow with adjusting frequency and voltage respectively after microgrid is staying synchronized with main power grid in girdconnected mode [9]. As hierarchical scheme is more effective and workable, researchers have developed many advanced techniques and methods under such scheme [10,11], e.g. multi-agent techniques for the implementation of the secondary control [11].…”

Section: Control and Dispatch Strategies In Microgridsmentioning

confidence: 99%

Recent advancements on the development of microgrids

Yang

2014

J. Mod. Power Syst. Clean Energy

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With high penetration of distributed energy resources (DERs) into power systems, microgrid has showed great advantages of enabling efficient and reliable operation of distribution grids with high flexibilities and robustness. This paper discusses the recent advancements of microgrid development with particular focus on different dispatch, and control schemes using distributed communication technologies, load management technology, and protection strategies applied in a microgrid environment. It also describes typical R&D activities and projects worldwide in e.g. European Union (EU), Japan and the United States (US). Based on comprehensive review, it is convinced to conclude that microgrids could provide electricity supply with higher efficiency, reliability and quality to regional customers and will make contributions to smart grids development at large.

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Reconfigurable hierarchical control of a microgrid developed with PV, wind, micro-hydro, fuel cell and ultra-capacitor

Cited by 21 publications

References 14 publications

Single-Stage and Boost-Voltage Grid-Connected Inverter for Fuel-Cell Generation System

Single-Stage and Boost-Voltage Grid-Connected Inverter for Fuel-Cell Generation System

Practical Implementation of an Interleaved Boost Converter for Electric Vehicle Applications

Recent advancements on the development of microgrids

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