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Author Archive for: Sufi Shah Hamid Jalali

Sufi Shah Hamid Jalali

4 awesome technical articles

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B.Sc. in Electrical Engineering. Designer of websites. Currently working as Electrical Engineer at Aga Khan Foundation, Afghanistan. Likes to write and share knowledge of Electrical Engineering. Knows Primavera P6, Graphics, Professional AutoCAD and Project Management.

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Energy Efficiency

Electric Power Quality and Lighting (part 2)

Continued from first part: Electric Power Quality and Lighting (part 1) Power factor is a measure of how effectively a device converts input current and voltage into useful electric power…. Read more

May 29, 2012 | By Sufi Shah Hamid Jalali

Electric Power Quality and Lighting
Energy Efficiency

Electric Power Quality and Lighting (part 1)

Concerns about the effects of lighting products on power distribution systems have focused attention on power quality. Poor power quality can waste energy and the capacity of an electrical system;… Read more

May 26, 2012 | By Sufi Shah Hamid Jalali

Electric Power Quality and Lighting


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Design a safer and energy-efficient medium voltage installation