Comprehensive Controller Implementation for Wind-PV-Diesel Based Standalone Microgrid

In this paper, a comprehensive controller of a standalone microgrid is implemented, which has three dispersed generation units based on a wind, solar photovoltaic (PV) array, and a diesel generator (DG). The power ratio variable step perturb and observe method is applied to achieve maximum power poi...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2019-09, Vol.55 (5), p.5416-5428
Main Authors: Rezkallah, Miloud, Singh, Sanjeev, Chandra, Ambrish, Singh, Bhim, Tremblay, Marco, Saad, Maarouf, Geng, Hua
Format: Article
Language:English
Subjects:
Active control
Active damping
Active filters
Algorithms
Anti-windup
Arrays
Computer simulation
Control algorithms
Control theory
Controllers
DC generators
diesel generator (DG)
Diesel generators
Distributed generation
Generators
LCL filter-based virtual resistor
Maximum power tracking
Permanent magnets
Photovoltaic cells
Photovoltaic systems
point of common coupling (PCC) voltage regulation
Power control
Power harmonic filters
power quality improvement and proportional–integral (PI) controller with anti-windup
Product design
Resistors
Solar cells
solar photovoltaic (PV) array
standalone microgrid (SMG)
State of charge
Synchronism
Voltage control
Wind speed
wind turbine (WT)
Wind turbines
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Summary:In this paper, a comprehensive controller of a standalone microgrid is implemented, which has three dispersed generation units based on a wind, solar photovoltaic (PV) array, and a diesel generator (DG). The power ratio variable step perturb and observe method is applied to achieve maximum power point tracking of a solar PV array and a variable speed wind turbine coupled a permanent magnet brushless dc generator without rotor/wind speed sensors. Moreover, to ensure perfect synchronization of a DG to the point of common coupling (PCC), a control algorithm is developed, which is based on in-phase and quadrature units. An active power control based on proportional-integral controller with anti-windup, is used for voltage and frequency regulation. The LCL filter based on virtual resistor, is used for power quality improvement at PCC. Simulation and test results are presented for the validation of the proposed system using a prototype of 2 kW in the laboratory.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2019.2928254