Design and Implementation of the Battery Energy Storage System in DC Micro-Grid Systems

Chang, Yu Tzu; Chang, Hao‐Chin; Huang, Chien‐Yu

doi:10.3390/en11061566

Cited by 14 publications

(8 citation statements)

References 20 publications

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“…can be represented as (24) In (24), f(x 2 ) represent the system nonlinear part system can be studied at its operating points. Using these change of variables, th system in Figure 11 can be linearized and studied at its operating points, leading t (23) The system in (23) with its nonlinear part ( ) can be represented as…”

Section: Takagi-sugeno Fuzzy Inference Methodsmentioning

confidence: 99%

Fuzzy Inference Based Stability Optimization for Iot Data Centers Dc Microgrids: Impact of Constant Power Loads on Smart Grid Communication Over the Powerline

Oyekanlu

2019

joe

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Direct Current (dc) microgrids due to their efficiency and energy savings are being deployed to provide power for servers in Internet of Things (IoT) data centers, in more electric aircrafts (MEA), electric ships and in rail systems round the word. In this paper, Takagi-Sugeno fuzzy inference method is used to establish a Lyapunov stability candidate for a 380 V ring bus dc microgrid modeled with Matlab. To determine suitability of using powerline communication (PLC) to monitor stability condition on the 380 V dc microgrid, impact of distortion caused by microgrid constant power loads (CPL) on signals transmitted over the dc microgrid PLC channel is examined. It is shown in this paper that while Lyapunov asymptotic stability is maintained on the dc bus, increasing CPL on the microgrid causes the dc microgrid PLC channel to experience growing signal distortion.

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Section: Takagi-sugeno Fuzzy Inference Methodsmentioning

confidence: 99%

Fuzzy Inference Based Stability Optimization for Iot Data Centers Dc Microgrids: Impact of Constant Power Loads on Smart Grid Communication Over the Powerline

Oyekanlu

2019

joe

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“…A commonly used battery model proposed in [18][19][20] is used in this study. Equation (14) expresses the relationship of the battery voltage [18,20]:…”

Section: Batterymentioning

confidence: 99%

Equivalent Two Switches and Single Switch Buck/Buck-Boost Circuits for Solar Energy Harvesting Systems

Jamshidpour¹,

Jovanovic

Poure

2020

Energies

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In this paper, a comparative analysis has been presented of two equivalent circuits of non-isolated buck/buck-boost converters under synchronous control, used in a stand-alone Photovoltaic-battery-load system. The first circuit consists of two cascaded buck and buck-boost classical converters with two controllable switches. The buck converter is used to extract the maximum power of the Photovoltaic source, and the buck-boost converter is applied for the output voltage level control. The second circuit consists of a proposed converter with a single controllable switch. In both cases, the switching frequency is used to track the maximum power point and the duty ratio controls the output voltage level. Selected simulation results and experimental tests confirm that the two conversion circuits have identical behavior under synchronous control. This study shows that the single switch converter has a lower size and cost, but it is limited in the possible control strategy.

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“…In reality, multiple identical energy storage units often exist in the form of clusters [27], and the overall power supply capacity is evenly divided into individual battery unit. Assuming that the specifications of each energy storage unit and the line length to the bus are the same.…”

Section: Dimension Reduction Modeling Of Multi-voltage Control Unit Umentioning

confidence: 99%

Research on Virtual Inductive Control Strategy for Direct Current Microgrid with Constant Power Loads

et al. 2019

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In order to improve the stability of direct current (DC) microgrid with constant power loads, a novel virtual inductive approach is proposed in this paper. It is known that the negative impedance characteristic of constant power loads will lead to DC bus voltage fluctuation, which will be more serious when they integrate into the DC microgrid though a large transmission line inductive. For the convenience of analysis, a simplified circuit model of the system is obtained by modeling the distributed resources. Unlike the existing control strategies, the proposed control strategy constructs a negative inductance link, which helps to counteract the negative effects of the line inductive between the power source and the transmission line. Detailed performance comparison of the proposed control and virtual capacitance are implemented through MATLAB/simulink simulation. Moreover, the improved performance of the proposed control method has been further validated with several detailed studies. The results demonstrate the feasibility and superiority of the proposed strategy.

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Design and Implementation of the Battery Energy Storage System in DC Micro-Grid Systems

Cited by 14 publications

References 20 publications

Fuzzy Inference Based Stability Optimization for Iot Data Centers Dc Microgrids: Impact of Constant Power Loads on Smart Grid Communication Over the Powerline

Fuzzy Inference Based Stability Optimization for Iot Data Centers Dc Microgrids: Impact of Constant Power Loads on Smart Grid Communication Over the Powerline

Equivalent Two Switches and Single Switch Buck/Buck-Boost Circuits for Solar Energy Harvesting Systems

Research on Virtual Inductive Control Strategy for Direct Current Microgrid with Constant Power Loads

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