A power sharing based approach for optimizing photovoltaic generation in autonomous microgrids
Ajala, Olaoluwapo
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https://hdl.handle.net/2142/72768
Description
Title
A power sharing based approach for optimizing photovoltaic generation in autonomous microgrids
Author(s)
Ajala, Olaoluwapo
Issue Date
2015-01-21
Director of Research (if dissertation) or Advisor (if thesis)
Sauer, Peter W.
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Autonomous microgrids
photovoltaic generation
microturbine
droop control
area control error
Abstract
In an effort to reduce the electric industry's dependence on fossil fuels, renewable energy resources are being deployed in the power grid. However, the intermittent nature of some popular renewable resources presents the problem of optimizing their use.
This work presents a control strategy for the optimization of available photovoltaic generation in an autonomous microgrid. The deepening penetration of rooftop solar panels motivates our case study of a microgrid with photovoltaic (PV) generators and microturbines.
Building upon centralized generation concepts such as droop control, automatic generation control and area control error, the strategy ensures effective provision of power raise/lower actions to the system based on some locally measured variables, with the ability to turn-off the microturbine in the event of adequate PV generation for such actions.
A 5-bus test system with three PV generators and one microturbine is considered, and preliminary simulation results are presented to demonstrate the effectiveness of this approach
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