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Balancing Energy Efficiency and Power Quality in Modern Lighting Technologies
This white paper examines how the shift from incandescent bulbs to low-energy lighting options‚ such as CFLs, LEDs, halogen, and ESL impacts power quality. While these technologies offer significant energy savings, many introduce non-linear loads, lower power factors, and increased harmonic distortion. The findings highlight that not all low-energy lighting is equal in terms of power quality, with well-designed LEDs and halogen lamps performing best, while CFLs and poorly designed LEDs can degrade grid performance. The paper underscores the importance of power factor correction and harmonic filtering in new lighting technologies.
Key topics include:
- Standard Lighting: Incandescent and Halogen
- Compact Fluorescent Lamps (CFLs) and Power Quality
- LED Lighting: Design and Grid Impacts
- Other Lighting Technologies: ESL and HPS
- Power Quality Metrics: Harmonics and Power Factor
- Comparative Analysis of Lighting Technologies
Why utilities should care:
As lighting loads shift to more efficient but non-linear sources, increased harmonic distortion and poor power factor can strain distribution systems, impact equipment, and complicate grid management. Understanding these impacts is vital for maintaining reliable, efficient power delivery.
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