Abstract
This paper presents an efficient harmonic detection for real-time generation of the reference current fed to a shunt active power filter using the ADALINE neural network. This proposed method is a single layer with 101 nodes generating the coefficients referred to as weights of the reference current model. It effectively overcomes the drawback of the current technology, which is instantaneous power theory (PQ). The proposed method was implemented on the TMS320F28335 DSP board and tested against MATLAB with Simulink as a hardware-in-loop (HIL) structure. This method gives a good performance by producing a precise reference current in a short period with uncomplicated calculation. It also efficiently can eliminate individual harmonic current. The achieved percentage of total harmonic distortion (%THD) in the current is reduced following the IEEE standard, while the power factor can be maintained to unity.
Highlights
shunt active power filter (SAPF) is a tool for injecting the compensated current into the point of common coupling (PCC) to reduce the total harmonic distortion (THD) under the standard of IEEE
This paper proposes the use of the ADALINE neural network to generate 101 weightweighting factors of the reference current model
The article has presented the new approach on harmonic current detection that employs a real-time ADALINE neural network
Summary
It has been known that two major factors curtailing the power quality are current and voltage harmonics, and reactive power. To maintain the power quality up to industrial standards, one may choose to compensate either of the two or both. The source voltages distort to a certain extent. Such current harmonic distortion further increases reactive power, decreases power factor [1]. A good practical approach to mitigate this problem is to use a shunt active power filter (SAPF) with a voltage source inverter (VSI). SAPF is a tool for injecting the compensated current into the point of common coupling (PCC) to reduce the total harmonic distortion (THD) under the standard of IEEE std. SAPF is a tool for injecting the compensated current into the point of common coupling (PCC) to reduce the total harmonic distortion (THD) under the standard of IEEE std. 519-1992 [4]
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