An analysis of harmonic diversity factors applied to LED lamps

This paper presented an investigation of diversity factors for Light Emitting Diode Lamps (LEDs) which are used in residential and commercial applications as energy efficient lighting bulbs. It is done by performing experimental tests on various LED lamps available in the market. The current drawn by several LED lamps are first measured to investigate the electrical characteristics. These measurements provide current harmonic characteristic of individual lamps. Then various configurations of LEDs were connected to a laboratory scale feeder to analyze the diversity factors. The results show that LED bulbs produce considerable amount of harmonics. However, various combinations of LED lamps can damp harmonics penetration into the distribution system.

[1]  W. Kling,et al.  An analysis of diversity factors applied to harmonic emission limits for energy saving lamps , 2010, Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010.

[2]  C. K. Michael Tse,et al.  Electronic ballast for multiple LED lamps with independent brightness control , 2009, 2009 IEEE International Symposium on Circuits and Systems.

[3]  W. M. Grady,et al.  An investigation of harmonics attenuation and diversity among distributed single-phase power electronic loads , 1994 .

[4]  Xinbo Ruan,et al.  Means of Eliminating Electrolytic Capacitor in AC/DC Power Supplies for LED Lightings , 2009, IEEE Transactions on Power Electronics.

[5]  Xiaohui Qu,et al.  Resonance-Assisted Buck Converter for Offline Driving of Power LED Replacement Lamps , 2011, IEEE Transactions on Power Electronics.

[6]  A. M. Blanco,et al.  Effects of high penetration of CFLS and LEDS on the distribution networks , 2010, Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010.

[7]  Vedat Topuz,et al.  Modeling of dimmable High Power LED illumination distribution using ANFIS on the isolated area , 2011, Expert Syst. Appl..

[8]  Le Tang,et al.  Evaluation of harmonic impacts from compact fluorescent lights on distribution systems , 1995, IEEE Transactions on Power Systems.

[9]  Sean Gallagher,et al.  Evaluation of Visual Performance When Using Incandescent, Fluorescent, and LED Machine Lights in Mesopic Conditions , 2009, 2009 IEEE Industry Applications Society Annual Meeting.

[10]  S. Muthu,et al.  Red, green, and blue LED based white light generation: issues and control , 2002, Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344).