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Research Papers

Enhancement of Fuzzy Controlled Photovoltaic–Diesel System With Battery Storage Using Interleaved Converter With Hybrid MPPT for Rural Home

[+] Author and Article Information
P. Manimekalai

Mem. ASME
Professor
Electrical and Electronics Engineering,
Selvam College of Technology,
NH-7 Salem Road,
Namakkal 637003, India
e-mail: manikarthieee@yahoo.co.on

R. Hari Kumar

Mem. ASME
Professor
Electronics and Communication Engineering,
Bannari Amman Institute of Technology,
Erode 638503, India
e-mail: harikumarrajaguru@gmail.com

S. Raghavan

Mem. ASME
Professor
Electronics and Communication Engineering,
National Institute of Technology,
Trichy 620015, India
e-mail: raghavan@nitt.edu

1Corresponding author.

Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING: INCLUDING WIND ENERGY AND BUILDING ENERGY CONSERVATION. Manuscript received December 15, 2014; final manuscript received August 20, 2015; published online September 22, 2015. Editor: Robert F. Boehm.

J. Sol. Energy Eng 137(6), 061005 (Sep 22, 2015) (9 pages) Paper No: SOL-14-1379; doi: 10.1115/1.4031514 History: Received December 15, 2014; Revised August 20, 2015

Hybrid energy systems normally comprise photovoltaic (PV) modules, diesel generator, a DC–DC converter with maximum power point tracking (MPPT) control, a DC–AC inverter with pulse width modulation (PWM) controller and storage system. In this paper, interleaved converter with an hybrid perturb and observe (P&O) fuzzy MPPT technique was proposed to enhance the effectiveness of the hybrid system. The enactment of unipolar sinusoidal pulse width modulation (SPWM) technique and proportional integral (PI) controller enhances the performance of bidirectional H-bridge inverter by getting rid of lower order harmonics, which leads to least possible switching losses, thus improves the inverter efficiency.

Copyright © 2015 by ASME
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References

Figures

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Fig. 1

Block diagram of the proposed hybrid system with battery storage

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Fig. 2

Single diode equivalent circuit of a PV cell

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Fig. 7

Simulation of H-bridge inverter

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Fig. 6

Interleaved converters

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Fig. 5

Operating principle of storage battery

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Fig. 4

I–V and P–V curves under varying temperature

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Fig. 3

I–V and P–V curves under varying illumination

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Fig. 8

Simulation of Hex-bridge inverter

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Fig. 9

Output voltage waveforms of H-bridge and Hex-bridge inverters

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Fig. 12

(a) Power status of sources (mode 1: condition: 1) and (b) switching status of sources (mode 1: condition 1)

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Fig. 13

(a) Power status of sources (mode 1: condition: 2) and (b) switching status of sources (mode 1: condition: 2)

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Fig. 14

(a) Power status of sources (mode 1: condition: 3) and (b) switching status of sources (mode 1: condition: 3)

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Fig. 15

(a) Power status of sources (mode 2) and (b) switching status of sources (mode 2)

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Fig. 16

(a) Power status of sources (mode 3) and (b) switching status of sources (mode 3)

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Fig. 17

(a) Power status of sources (mode 4) and (b) switching status of sources (mode 4)

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Fig. 10

Comparison of P&O, fuzzy, and P&O fuzzy MPPT

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Fig. 11

Basic block diagram of fuzzy control

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