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Impact of the Extensive Usage of Energy Savers on Power Quality

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  • Your 'shunt active filter' , slide 12, is an interesting construction. Have you Muhammad built such filters? Is there any companies which manufacture them?

    I also discussed about power quality ( http://www.slideshare.net/MAhonen/power-quality-and-health-is-there-a-connection-3605746 ) and my conclusions were a bit similar to yours.

    Let's continue discussion.

    Cheers

    Mikko - mpahonen [at] gmail . com
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    Impact of the Extensive Usage of Energy Savers on Power Quality Impact of the Extensive Usage of Energy Savers on Power Quality Presentation Transcript

    • Impact of the Extensive Usage of Energy Savers on Power Quality By Muhammad Farrukh Yaqub University of Eng & Tech Lahore-Pakistan
    • Presentation Layout Motivation.  Calculations  Circuit Diagram  Waveforms  Results  Conclusions 
    • Motivation Rapid increase in the electric energy  demands.  Popularity of Energy Savers Lamps.  Encouragement from WAPDA.  Problems with Energy Savers.
    • Encouragement from WAPDA (Taken from back side of Electricity Bills)
    • Calculations Average Power: Only the fundamental component of current  contributes to the average power from the mains. i.e., Pav = Vrms I1rms Cos Ф1 THD  THD = [(Is/Is1)2-1]1/2 Power Factor  PF = Pav / Irms Vrms Current Distortion Factor  μ = Irms1/Irms Displacement Factor  DF = CosФ1
    • Circuit Diagram
    • Load Current Waveform
    • Frequency Domain Analysis
    • Practical Current Waveform
    • Amplitudes for Different Harmonics
    • Results from Calculations Average Power:  Pav = Vrms I1rms Cos Ф1 = 24W THD = [(Is/Is1)2-1]1/2 = 125.97 %  Power Factor  PF = Pav / Irms Vrms = 0.5733 Current Distortion Factor  μ = Irms1/Irms = .623 Displacement Factor  DF = CosФ1 = 0.92
    • Suggestions 1. Using Active Filter: 2. Using Randomized Switching of the Bridge Rectifier.
    • Conclusions High value of Total Harmonic Distortion and  poor Power Factor. It proves that the intensive use of energy savers  badly effects the power quality especially in winter season. The active filters should be added in the circuitry  of the energy savers lamps to obtain correction in the power factor and harmonics elimination.
    • Thank you very much.