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HYBRID MICRO GRID MAXIMUM POWER CONDITION CONTAINING PV/ VARIABLE SPEED WIND GENERATION

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Last updated: 25 Dec 2024

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Abstract

Distribution systems with distributed energy resources, such as photo voltaic power systems (PV) and wind turbines form the new planned micro grids (MGs). From the customer point of view, MGs improve power quality by supporting voltage levels and potentially lower costs of energy supply. Despite the obvious advantages of distributed generation, technical challenges associated with the operation and controls of MGs are immense in order to provide stable frequency and voltage in the presence of variable loading and emergency condition. This paper proposes an efficient an overhaul maximum power conditioning control system of micro grid feeds from PV array and wind turbine. The PV power conditioning system utilizes two-stages energy conversion system topology composed of a DC/DC boost converter and voltage source inverter (VSI) that satisfies the MG technical requirements. For the proposed PV maximum power point tracking (MPPT), the boost converter duty cycle is being adjusted to set the operating point of the PV panel at the maximum power point. While for the proposed wind turbine the pitch angle is controlled to allow the wind turbine operates at its optimum condition at low and medium wind speeds, while at high wind speeds region, the pitch angle is being increased to shed some of the aerodynamic power. The dynamic modeling and control of the studied MG are presented for steady state and transient operation conditions. Moreover, the control strategies to obtain the maximum converted power and stabilize the voltage under different operating conditions are derived in the submitted paper.

DOI

10.21608/erjm.2014.66869

Keywords

Micro Grid, Photovoltaic (PV) array, Wind energy, DC/DC boost converter, Voltage source inverter, Pitch control

Authors

First Name

M.M.A.

Last Name

Mahfouz

MiddleName

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Affiliation

Faculty of Engineering, Helwan, Helwan University

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Volume

37

Article Issue

1

Related Issue

10097

Issue Date

2014-01-01

Receive Date

2019-12-30

Publish Date

2014-01-01

Page Start

13

Page End

20

Print ISSN

1110-1180

Online ISSN

3009-6944

Link

https://erjm.journals.ekb.eg/article_66869.html

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https://erjm.journals.ekb.eg/service?article_code=66869

Order

7

Type

Original Article

Type Code

1,118

Publication Type

Journal

Publication Title

ERJ. Engineering Research Journal

Publication Link

https://erjm.journals.ekb.eg/

MainTitle

HYBRID MICRO GRID MAXIMUM POWER CONDITION CONTAINING PV/ VARIABLE SPEED WIND GENERATION

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Article

Created At

22 Jan 2023