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Fuzzy logic controller based power management for a standalone solar/wind/fuel cell fed hybrid system
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10.1063/1.4827315
/content/aip/journal/jrse/5/5/10.1063/1.4827315
http://aip.metastore.ingenta.com/content/aip/journal/jrse/5/5/10.1063/1.4827315

Figures

Image of FIG. 1.
FIG. 1.

Solar/wind/fuel cell fed standalone power supply.

Image of FIG. 2.
FIG. 2.

Equivalent circuit model of PV cell.

Image of FIG. 3.
FIG. 3.

Simulink model of PV cell (with varying insolation and temperature).

Image of FIG. 4.
FIG. 4.

Power-voltage characteristics of a photovoltaic module at different irradiance levels.

Image of FIG. 5.
FIG. 5.

Variation of solar insolation in a typical sunny day at solar centre, KEC.

Image of FIG. 6.
FIG. 6.

Voltage, current, and power output of simulated panel.

Image of FIG. 7.
FIG. 7.

Flow chart of VSS-INR MPPT technique.

Image of FIG. 8.
FIG. 8.

Duty cycle variation with varying step size.

Image of FIG. 9.
FIG. 9.

Output of MPPT converter.

Image of FIG. 10.
FIG. 10.

Simulink model of wind turbine generator.

Image of FIG. 11.
FIG. 11.

Model of wind turbine.

Image of FIG. 12.
FIG. 12.

Wind speed data of a typical day at KEC, Erode, TN, India.

Image of FIG. 13.
FIG. 13.

Torque output of wind turbine.

Image of FIG. 14.
FIG. 14.

Voltage, current and power output of WTG MPPT without controller.

Image of FIG. 15.
FIG. 15.

Voltage, current, and power output of WTG with MPPT controller.

Image of FIG. 16.
FIG. 16.

Flow chart of MPPT control.

Image of FIG. 17.
FIG. 17.

Fuel cell stack.

Image of FIG. 18.
FIG. 18.

Lead acid battery model.

Image of FIG. 19.
FIG. 19.

Fuzzy based SOC estimator.

Image of FIG. 20.
FIG. 20.

Neural network controller for voltage control at PCC.

Image of FIG. 21.
FIG. 21.

Structure of the neural network controller developed for voltage control at PCC.

Image of FIG. 22.
FIG. 22.

Output voltage of the boost converter at PCC connected to solar panel, fuel cell, and WTG.

Image of FIG. 23.
FIG. 23.

(a)–(g) Membership functions of input variables and (h) membership functions of output variable.

Image of FIG. 24.
FIG. 24.

Simulink model of FLC based power management controller.

Image of FIG. 25.
FIG. 25.

Flowchart of control logic.

Image of FIG. 26.
FIG. 26.

Control pulses generated by fuzzy controller (possible combinations of sources to meet the LD).

Image of FIG. 27.
FIG. 27.
Image of FIG. 28.
FIG. 28.

Comparison of the responses of fuzzy controller with embedded controller in power flow control.

Image of FIG. 29.
FIG. 29.

Fuzzy logic controller for battery charger.

Image of FIG. 30.
FIG. 30.

Reference and actual charging current of battery charger to sink the excess power at PCC (case-1).

Tables

Generic image for table
Table I.

SOC vs terminal voltage at various charging and at floating (“C” is the capacity of battery in ampacity (Ah)).

Generic image for table
Table II.

SOC vs terminal voltage at various currents discharge currents.

Generic image for table
Table III.

Fuzzy rule table.

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/content/aip/journal/jrse/5/5/10.1063/1.4827315
2013-10-24
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fuzzy logic controller based power management for a standalone solar/wind/fuel cell fed hybrid system
http://aip.metastore.ingenta.com/content/aip/journal/jrse/5/5/10.1063/1.4827315
10.1063/1.4827315
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