TY - GEN
T1 - Experimental validation of linear AC LED driver with quantitative design method
AU - Noge, Yuichi
AU - Fuse, Hiroyuki
AU - Shimizu, Takeshi
N1 - Publisher Copyright:
© 2017 IEEE.
PY - 2017/5/17
Y1 - 2017/5/17
N2 - This paper proposes a quantitative design method for a linear AC LED driver with a multi-level structure and a variable current regulator. The currently proposed circuit with a variable current regulator was found to drastically reduce the number of required circuit components by realizing a sinusoidal input current with only a single row of LEDs. However, it is necessary to adjust the parameters of the circuit components through simulations to properly design the circuit and realize its stable operation. In this paper, the operation of the currently proposed circuit is first described. Second, the losses of the circuit are calculated. The quantitative design of the circuit parameters is then suggested. Third, an experimental efficiency of 92.3% was confirmed, and the calculated and simulated efficiencies were 93.1% and 93.4% under the same design conditions. The experimental efficiency of 92.3% is 5.6% higher than that of the previous design. Next, a thermally designed circuit board was designed using a simulation for practical installation. Finally, conduction noise was experimentally measured.
AB - This paper proposes a quantitative design method for a linear AC LED driver with a multi-level structure and a variable current regulator. The currently proposed circuit with a variable current regulator was found to drastically reduce the number of required circuit components by realizing a sinusoidal input current with only a single row of LEDs. However, it is necessary to adjust the parameters of the circuit components through simulations to properly design the circuit and realize its stable operation. In this paper, the operation of the currently proposed circuit is first described. Second, the losses of the circuit are calculated. The quantitative design of the circuit parameters is then suggested. Third, an experimental efficiency of 92.3% was confirmed, and the calculated and simulated efficiencies were 93.1% and 93.4% under the same design conditions. The experimental efficiency of 92.3% is 5.6% higher than that of the previous design. Next, a thermally designed circuit board was designed using a simulation for practical installation. Finally, conduction noise was experimentally measured.
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U2 - 10.1109/APEC.2017.7930895
DO - 10.1109/APEC.2017.7930895
M3 - Conference contribution
AN - SCOPUS:85020036459
T3 - Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
SP - 1484
EP - 1491
BT - 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017
Y2 - 26 March 2017 through 30 March 2017
ER -