Detailed Investigation on Power Conditioning Unit (PCU) using Intelligent Signal Processing
Debanjan Mukherjee1, Asim Kumar Jana2, Malay Kumar Pandit3
1Debanjan Mukherjee, Electronics & Comm. Engg, Haldia Institute Of Technology, Haldia, East Midnapore, India.
2Asim K. Jana, Electronics & Comm. Engg, Haldia Institute Of Technology, Haldia, East Midnapore, India.
3Malay K. Pandit, Electronics & Comm. Engg, Haldia Institute Of Technology, Haldia, East Midnapore, India.
Manuscript received on March 22, 2013. | Revised Manuscript received on April 19, 2013. | Manuscript published on April 30, 2013. | PP: 426-234 | Volume-2, Issue-4, April 2013. | Retrieval Number: D1492042413/2013©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Harmonic in power line communication is an important matter now a days. With the extensive usage of non-linear loads in power systems, the harmonic effect becomes more prominent. Fast Fourier Transform (FFT) is one of the most popular computation algorithms for harmonic analysis. In this paper, single phase current waveform is taken from a three phase supply fed to motor through power analyzer interfaced with PC. FFT is done using matlab program on the imported data. After that, same waveform like the current waveform obtained from the hardware setup is designed in SIMULINK window of matlab7.5 version. Those designed waveforms are filtered by Recursive Least Square (RLS) Filter to reduce Total Harmonic Distortion (THD) in the filtered output and the response of Normalised Least Mean Square (NLMS) for same input signal is discussed in detail in author’s previous publication, given as reference. Adaptive signal processing to eliminate harmonics is replicated again in Code Composer Studio (CCS) using TMS320C6713 SIMULATOR .Here comparison is done between the responses of RLS filter with Normalised LMS filter. At last, the conclusion is drawn as NLMS filter is superior than RLS filter in the field of power line harmonic elimination to author’s best knowledge.
Keywords: RLS Filter NLMS Filter, FFT, SIMULINK, Total Harmonic Distortion (THD), TMS320C6713 SIMULATOR, CCS.