TY - GEN
T1 - Self-oscillating constant-current fluorescent lamp driver
T2 - PESC 07 - IEEE 38th Annual Power Electronics Specialists Conference
AU - Ben-Yaakov, Sam
AU - Peretz, Mor Mordechai
AU - Parra, Jorge M.
AU - Parra, Jorge M.
PY - 2007/12/1
Y1 - 2007/12/1
N2 - Here, a high frequency AC current-sourcing driver that can feed electrical loads with a constant current independent of the load resistance is presented, analyzed and tested experimentally. The power source is a self-oscillating inverter that includes a resonant network and a Current Comparing and Toggling Circuit (CCTC) that is used to generate the control signals of the inverter's power switches. The power driver can be used to ignite and operate one or several serially connected fluorescent lamps, without the need of additional resonant networks and redesign of the power stage, while still maintaining high efficiency and low output crest factor. The CCTC is realized, in the present work, by a multi-winding transformer that is designed to change the polarity of the gate drive of the power switches whenever the input signal drops to the level of the desired output current and hence, will cause the driver to behave as a current source.
AB - Here, a high frequency AC current-sourcing driver that can feed electrical loads with a constant current independent of the load resistance is presented, analyzed and tested experimentally. The power source is a self-oscillating inverter that includes a resonant network and a Current Comparing and Toggling Circuit (CCTC) that is used to generate the control signals of the inverter's power switches. The power driver can be used to ignite and operate one or several serially connected fluorescent lamps, without the need of additional resonant networks and redesign of the power stage, while still maintaining high efficiency and low output crest factor. The CCTC is realized, in the present work, by a multi-winding transformer that is designed to change the polarity of the gate drive of the power switches whenever the input signal drops to the level of the desired output current and hence, will cause the driver to behave as a current source.
KW - Constant AC current sourcing
KW - Current Comparing and Toggling Circuit (CCTC)
KW - Fluorescent lamps
KW - Self-oscillating electronic ballast
UR - http://www.scopus.com/inward/record.url?scp=48349131179&partnerID=8YFLogxK
U2 - 10.1109/PESC.2007.4342520
DO - 10.1109/PESC.2007.4342520
M3 - Conference contribution
AN - SCOPUS:48349131179
SN - 1424406552
SN - 9781424406555
T3 - PESC Record - IEEE Annual Power Electronics Specialists Conference
SP - 3093
EP - 3099
BT - PESC 07 - IEEE 38th Annual Power Electronics Specialists Conference
Y2 - 17 June 2007 through 21 June 2007
ER -