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Technical Briefs

Distributed Generation, Using Battery/Photovoltaic System: Modeling and Simulation With Relative Controller Design

[+] Author and Article Information
Peyman Naderi

Electrical Engineering Department,
Shahid Rajaee Teacher Training University,
Tehran 1678815811, Iran
e-mail: p.naderi@srttu.edu

Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF Solar Energy Engineering. Manuscript received April 6, 2012; final manuscript received November 9, 2012; published online January 25, 2013. Assoc. Editor: Santiago Silvestre.

J. Sol. Energy Eng 135(2), 024506 (Jan 25, 2013) (6 pages) Paper No: SOL-12-1093; doi: 10.1115/1.4023102 History: Received April 06, 2012; Revised November 09, 2012

Distributed generation (DG) using a parallel battery pack with photovoltaic (PV) system has been presented in this brief. Considering a two level inverter and a three phase transformer, a local load will be supplied by the DG and connected to a power grid. The DG has been connected to the high voltage network via a filter and a distribution power station. A nero-fuzzy network has been designed for the estimation of maximum power ability of PV and the connected dc/dc converter has been controlled relatively. So, the power management between the PV system and the battery pack can be confirmed. On the other hand, another controller has been designed for control of transferred power between the power network and the DG system that can control the battery pack power indirectly. Finally, a series of simulation results show the effectiveness of proposed method for some various conditions.

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Figures

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Fig. 1

Proposed structure in this paper

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Fig. 2

Sample curve for a given temperature equal to 0 °C

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Fig. 3

Sample curve for a given irradiance equal to maximum level

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Fig. 4

Two level three phase inverter connected to dc/dc converter

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Fig. 5

Maximum power available of sample PV system based on various temperature and irradiance

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Fig. 6

Membership functions of nero-fuzzy network used for estimation

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Fig. 7

Fuzzy surface of nero-fuzzy network used for estimation

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Fig. 8

Producing of dc/dc converter switching pulse

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Fig. 9

Control of transferred power between DG and power system

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Fig. 10

Overall controller diagram and interaction of subcontrollers

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Fig. 11

Produced power of system for high irradiance, high SoC, and variable temperature

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Fig. 12

Voltage and current of PV system for high irradiance, high SoC, and variable temperature

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Fig. 13

The SoC for some initial SoC

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Fig. 14

The injection power from DG to power network for some initial SoC

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