Solar PV based Maximum Power Point Tracking Embedded DC Voltage Regulation Incorporating Battery Storage for Micro-grid Application

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Research ID 7B189

Abstract

This work deals with reducing the voltage dip to improve the voltage on voltage regulator of solar photovoltaic for the microgrid. In the previous work, results show that voltage regulator managed to regulate dc voltage and maintaining the dc bus voltage at its reference value but there is voltage dip when step load changes and recovering time to response taken about 150msec. To reduce this response time battery energy storage have been incorporated with it. The battery energy storage has been used when stepping load changes or in case there is a mismatch between load demand and power generation in a microgrid. The capacity of the battery used is in less percentage of total installed capacity of the system which reduces the cost of the system. In this paper, Solar PV based Maximum Power Point Tracking (MPPT) provides voltage regulation and storage batteries have been integrated at common dc bus through bidirectional buck-boost Converter. The DC bus voltage was tested at varying solar insolation at constant  emperature. Simulation results using MATLAB/SIMULINK software shows that the response time of the DC bus voltage dip has been improved after step load changes. Incorporating the storage battery in Solar PV based maximum PowerPoint Tracking (MPPT) embedded voltage

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

Not applicable

Data Availability

The datasets used in this study are openly available at [repository link] and the source code is available on GitHub at [GitHub link].

Funding

This work did not receive any external funding.

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  • Classification

    FOR code- 850505

  • Version of record

    v1.0

  • Issue date

    07 December 2019

  • Language

    English

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