TY - BOOK AU - Heba Youssef Awad Said AU - Ahmed Faheem Mohamed Zobaa , AU - Bahaa Eldeen Abdelmawgoud , AU - Mohamed Mamdouh Abdelaziz , TI - Performance of light emitting diodes ( LEDs ) / PY - 2009/// CY - Cairo : PB - Heba Youssef Awad Said , KW - LED lames KW - Power factor KW - Volt-ampere characteristic N1 - Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Electrical Power and Machines; Issued also as CD N2 - Light emitting diode (LED) lamps represent new technology with expanding applications in this thesis it presented some LED lame models which are gained by experimental study ( using digital oscilloscope ) and measure V-1 characteristic for high power LED lamps and compared with that measured by an engineer in briliance company UR - http://172.23.153.220/th.pdf ER -