Abstract
In past, the incandescent lamp (IL) which is resistive load is used. Its power factor is unity & current is harmonic free but it consumes more power & generate heat. Last few decades compact fluorescent lamp (CFL) is widely used as it has an advantage of less power consumption & longer life. Nowadays Light Emitting Diode (LED) is used and have less energy consumption as compared to others lamp. But it has very less power factor, even if CFL & LED have a less energy consumption. It has various disadvantages such as it produces harmonic current due to use of semiconductor based devices. As harmonic current passes through impedance, it causes voltage distortion & hence degrading the overall power quality. In this paper the focus is given to the measurement of various power quality parameters such as Total Power Consumption and Total Harmonic Distortion for Current (I THD ) and Voltage (V THD ), Power Factor, Harmonics. The fluke 435 Series II Power Quality Analyzer is used for analysing different lamps used for residential, commercial, industrial purpose. This distorted current is improved as well as harmonics can be reduced by using harmonic filter. But it involves additional cost & expenses. Power Quality can be improved by adding harmonic filter with circuitry in lamp. This can lead to the improvement in Power Quality of overall power system.
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