Dynamic operation and control of a hybrid nanogrid system for future community houses

Chandrasena, Ruwan P.S.; Shahnia, Farhad; Rajakaruna, Sumedha; Ghosh, Arindam

doi:10.1049/iet-gtd.2014.0462

Cited by 34 publications

(19 citation statements)

References 35 publications

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“…The duty cycle (D st ) and the modulation index (M a ) for each of the phase voltages are 0.4 and 0.55, respectively. These results validate the gain relations derived in (1) and (2). Fig.…”

Section: Steady-state Operationsupporting

confidence: 89%

“…Also, the maximum ac gain which can be achieved [using (2)] is 0.612. This is same as that achieved using conventional 3-j VSIs.…”

Section: Steady-state Behaviour 321 Voltage Conversion Ratiomentioning

confidence: 99%

“…Hybrid power distribution systems are characterised by the presence of both dc and ac buses, simultaneously [1][2][3][4][5][6][7][8][9][10][11][12]. The adoption of such systems enables ease of integration for dc-based renewable resources such as solar panels and storage systems with minimum power conversion requirement, while preserving the advantages of the conventional ac-based distribution.…”

Section: Introductionmentioning

confidence: 99%

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Constant‐frequency shoot‐through sine pulse‐width‐modulation scheme for three‐phase single‐input–hybrid‐output converter

Ray

Mishra

2016

IET Power Electronics

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Single-input-hybrid-output converters provide dc and ac outputs simultaneously from a single dc source in an integrated architecture. These topologies are well suited for applications comprising both dc and ac distribution buses. In this work, the three-phase boost-derived hybrid converter (3-j BDHC) has been studied which provides a 3-j ac output in addition to the step-up output obtained from a boost converter. The changes in design and the characteristic behaviour of the proposed BDHC topology have been studied in comparison to single-phase BDHC. The pulse-width-modulation (PWM) control associated with these topologies involves shoot-through states incorporated within the conventional sine-PWM strategies. The work proposes a PWM switching strategy with controllable shoot-through occurring at constant frequency to achieve lower inductor current ripple. The operating principle of the 3-j BDHC under balanced-load conditions using the proposed constant-frequency shoot-through sine PWM has been validated using experimental results.

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Section: Steady-state Operationsupporting

confidence: 89%

“…Also, the maximum ac gain which can be achieved [using (2)] is 0.612. This is same as that achieved using conventional 3-j VSIs.…”

Section: Steady-state Behaviour 321 Voltage Conversion Ratiomentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Constant‐frequency shoot‐through sine pulse‐width‐modulation scheme for three‐phase single‐input–hybrid‐output converter

Ray

Mishra

2016

IET Power Electronics

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“…In [8], an optimal power flow method is introduced to minimise the operating cost in hybrid NGs including PVs, diesel generators, and batteries. In addition, there are some other works, which define the related concepts to optimal operation management of NGs [9][10][11][12][13][14][15]. In [9], a group of MGs/NGs is investigated in a multiobjective framework while they can exchange power between themselves.…”

Section: Introductionmentioning

confidence: 99%

Integrated battery model in cost‐effective operation and load management of grid‐connected smart nano‐grid

Heidari

Niknam

Zare

et al. 2019

IET Renewable Power Generation

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This paper presents a comprehensive model of dynamic optimal operation management of the smart nano-grids (NGs) including the micro wind turbines (WTs) and micro photovoltaics (PVs) as renewable energy sources (RESs) while micro turbines (MTs) and fuel cell (FC) are considered as non-RESs. Furthermore, two types of lead-acid and lithium-ion batteries are considered besides the three types of controllable, curtailment-able and must run loads to increase the flexibility of the proposed formulation. The different objective functions of NG operation problem to be minimised include operating cost, environmental damage cost of pollution gases and exchanged power cost with the main grid. Also the power losses of batteries are modelled using the quadratic functions based on types and output powers of considered batteries, while these losses impose additional cost to operation cost functions of batteries. A modified teaching-learning-based optimisation (MTLBO) algorithm is used to cope with the multiobjective problem considering the constraints.

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“…Control can be done in proper modeling of components, system modeling, developing power or Energy management strategies, developing algorithm or technique for coordinated control, enhancing the power quality, addressing protection and stability issues. Modeling aspects have been discussed in [3][4][5]; power management strategies have elaborated in [6][7][8][9][10]. Coordinated control is highlighted in [11][12][13][14][15]; stability analysis [16][17][18], power quality [19][20] and protection issues [21].…”

Section: Introductionmentioning

confidence: 99%

Fuzzy Logic Controller for Voltage and Frequency Stabilization in DC decoupled Micro grid system

Jamuna*,

Angalaeswari

2019

IJEAT

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 Abstract: An efficient Fuzzy Logic Controller (FLC) is proposed for maintaining constant voltage and frequency in a Decoupled DC micro grid system. The micro grid is modeled with solar, wind turbine, Fuel cell, battery and loads. Individual fuzzy MPPT (Maximum Power Point Tracking) controllers have proposed for solar, wind and fuel cell to extract maximum power from the sources and also to maintain constant voltage at DC bus. For the bidirectional power flow among the buses in the micro grid with power management strategy, an efficient Fuzzy logic controller is proposed for the bidirectional converter connected between DC and AC buses. The performance indices such as ITAE, ITSE, and settling time, rise time of DC link voltage has determined and it is being compared with the conventional Proportional Integral (PI) controller to endorse the performance of the proposed FLC. The results prove that the FLC has better performance in all aspects and it is more suitable for the power management in micro grid.

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Dynamic operation and control of a hybrid nanogrid system for future community houses

Cited by 34 publications

References 35 publications

Constant‐frequency shoot‐through sine pulse‐width‐modulation scheme for three‐phase single‐input–hybrid‐output converter

Constant‐frequency shoot‐through sine pulse‐width‐modulation scheme for three‐phase single‐input–hybrid‐output converter

Integrated battery model in cost‐effective operation and load management of grid‐connected smart nano‐grid

Fuzzy Logic Controller for Voltage and Frequency Stabilization in DC decoupled Micro grid system

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