Evaluation and Analysis of Soft Computing Techniques for Grid Connected Photo Voltaic System to Enhance Power Quality Issues

The major problem in grid connected transmission and distribution networks are the power quality issues due to the unbalance loads. The power quality issues relate to the current and voltage based issues generated at the point of common coupling. Some of the current based power quality issues relate...

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Vydáno v:Journal of electrical engineering & technology Ročník 16; číslo 4; s. 1833 - 1840
Hlavní autoři: Pragathi, Bellamkonda, Poonia, Ramesh Chandra, Polaiah, Bojja, Nayak, Deepak Kumar
Médium: Journal Article
Jazyk:angličtina
Vydáno: Singapore Springer Singapore 01.07.2021
대한전기학회
Témata:
Electrical Engineering
Electrical Machines and Networks
Electronics and Microelectronics
Engineering
Instrumentation
Original Article
Power Electronics
전기공학
Photovoltaic system
Vectorial filter algorithm
Widrow–Hoff least mean square
Drift-free MPPT
Discrete adaptive filter
DSTATCOM
Quasi Newton control algorithm
ISSN:1975-0102, 2093-7423
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Popis
Shrnutí:The major problem in grid connected transmission and distribution networks are the power quality issues due to the unbalance loads. The power quality issues relate to the current and voltage based issues generated at the point of common coupling. Some of the current based power quality issues relate to reactive power extraction, poor zero voltage regulation, harmonics in the load currents undesired neutral current and power factor and. Several DSTATCOM compensation techniques has been introduced for compensation of reactive power and power quality issues in the three phase, four wire system. The proposed system focus on DSTATCOM soft computing techniques such as: Widrow–Hoff least mean square, vectorial filter, discrete adaptive filter and quasi Newton control algorithms. The proposed algorithms controlled the switches pulses to drive the voltage source converter section in the DSTATCOM network thereby mitigating power quality issues and reactive power generation in the grid connected photovoltaic system. The soft computing techniques has maintained constant DC bus capacitor voltage and common coupling voltage along with unity power factor, zero voltage regulation under linear and non-linear load conditions, eliminating the harmonics in the load currents. The proportional integral controller is used for error correction between the reference and capacitor voltage. The novel drift-free maximum power point technique has shown better results under varying temperature and irradiances conditions. The DSTATCOM soft computing techniques has been implemented and simulated in MATLAB/SIMULINK.
ISSN:1975-0102
2093-7423
DOI:10.1007/s42835-021-00720-w