Abstract
Light Emitting Diodes (LEDs) are versatile and energy efficient when compared to the conventional light sources. LEDs represent a transformational change in how light is produced. However, there are significant differences between conventional lighting sources and LEDs in terms of voltage and current operating requirements which may affect the power quality (PQ) of AC mains. Therefore, this paper investigates one of the main PQ related harmonic generations from LED bulbs available in the market. It is done by conducting laboratory tests on various LED lamps and tapping the load current behaviour under different conditions. Then frequency domain analysis is performed to investigate the generated harmonics. Harmonic levels of different wattage, combinations of various LED bulbs and Compact Fluorescent Lamps (CFLs) are experimentally evaluated and compared. The results show that most of the LED lamps produce high level of harmonics and it is comparable with respect to harmonics generated from CFLs.
| Original language | English |
|---|---|
| Pages (from-to) | 4215-4221 |
| Number of pages | 7 |
| Journal | Journal of Applied Sciences Research |
| Volume | 8 |
| Issue number | 8 |
| Publication status | Published - 2012 |
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Keywords
- CFLs
- LED lamps
- Power quality
- Total harmonic distortion
ASJC Scopus subject areas
- General
Cite this
Investigation of harmonic generation from low wattage led lamps. / Uddin, Sohel; Shareef, Hussain; Mohamed, Azah; M A, Hannan.
In: Journal of Applied Sciences Research, Vol. 8, No. 8, 2012, p. 4215-4221.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Investigation of harmonic generation from low wattage led lamps
AU - Uddin, Sohel
AU - Shareef, Hussain
AU - Mohamed, Azah
AU - M A, Hannan
PY - 2012
Y1 - 2012
N2 - Light Emitting Diodes (LEDs) are versatile and energy efficient when compared to the conventional light sources. LEDs represent a transformational change in how light is produced. However, there are significant differences between conventional lighting sources and LEDs in terms of voltage and current operating requirements which may affect the power quality (PQ) of AC mains. Therefore, this paper investigates one of the main PQ related harmonic generations from LED bulbs available in the market. It is done by conducting laboratory tests on various LED lamps and tapping the load current behaviour under different conditions. Then frequency domain analysis is performed to investigate the generated harmonics. Harmonic levels of different wattage, combinations of various LED bulbs and Compact Fluorescent Lamps (CFLs) are experimentally evaluated and compared. The results show that most of the LED lamps produce high level of harmonics and it is comparable with respect to harmonics generated from CFLs.
AB - Light Emitting Diodes (LEDs) are versatile and energy efficient when compared to the conventional light sources. LEDs represent a transformational change in how light is produced. However, there are significant differences between conventional lighting sources and LEDs in terms of voltage and current operating requirements which may affect the power quality (PQ) of AC mains. Therefore, this paper investigates one of the main PQ related harmonic generations from LED bulbs available in the market. It is done by conducting laboratory tests on various LED lamps and tapping the load current behaviour under different conditions. Then frequency domain analysis is performed to investigate the generated harmonics. Harmonic levels of different wattage, combinations of various LED bulbs and Compact Fluorescent Lamps (CFLs) are experimentally evaluated and compared. The results show that most of the LED lamps produce high level of harmonics and it is comparable with respect to harmonics generated from CFLs.
KW - CFLs
KW - LED lamps
KW - Power quality
KW - Total harmonic distortion
UR - http://www.scopus.com/inward/record.url?scp=84872556572&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84872556572&partnerID=8YFLogxK
M3 - Article
VL - 8
SP - 4215
EP - 4221
JO - Journal of Applied Sciences Research
JF - Journal of Applied Sciences Research
SN - 1816-157X
IS - 8
ER -