An Improved Sinusoidal (PWM) and Vector (SVPWM) Current Control for a Three-Phase Photovoltaic Inverter Connected to a Non-linear Load

Author(s):  
Abdelhak Lamreoua ◽  
Anas Benslimane ◽  
Jamal Bouchnaif ◽  
Mostafa El Ouariachi
Author(s):  
Mohmmad Ahmad ◽  
Sheeraz Kirmani

<p>This paper presents the adaptive filtering based least mean square control<br />algorithm for distribution static compensator (DSTATCOM) in three-phase<br />grid tied system for linear/non-linear load, to solve the power quality<br />problems caused by solid-state equipment and devices. This is shown that the<br />active component weights obtained from the load currents in the LMS<br />adaptive filter are used to produce the reference currents and subsequently<br />produces the switching pulses for VSC of the compensator. The complete<br />circuit along with the adaptive technique and diode bridge rectifier type nonlinear load is simulated in Matlab/Simulink software. Initially the circuit was<br />simulated for a three phase linear inductive load. Later it was simulated for a<br />rectifier load connected at PCC with a disconnection of the load of any phase<br />for a short duration of time. It is concluded that the harmonics are found<br />within the limit. The harmonics and power results for both types of loads are<br />compared in a tabular form. Hence this three phase system with<br />DSTATCOM improves the power quality in the three-phase distribution<br />network therefore, serves to provide harmonics reduction, load balancing and<br />regulating the terminal voltage at the point of common coupling (PCC).</p>


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