Title :
Design considerations of a half-bridge LCC inverter with current balancing for AC-LED
Author :
Loo, K.H. ; Lai, Y.M. ; Tse, Chi K.
Author_Institution :
Fac. of Eng., Hong Kong Polytech. Univ., Kowloon, China
Abstract :
This paper presents a new LCC resonant inverter that is compatible with capacitor current balancing in multi-string AC-LED array. A thorough theoretical analysis of the voltage transfer function and input impedance characteristics of the LCC network is presented. Based on the analysis, a guided selection of the desirable operating frequency for achieving zero-voltage switching (ZVS) is developed and a systematic design procedure for choosing the reactive component values is formulated. A 100-W prototype is constructed to verify the proposed design.
Keywords :
capacitors; light emitting diodes; resonant invertors; transfer functions; zero voltage switching; LCC network; ZVS; capacitor current balancing; half-bridge LCC resonant inverter; input impedance characteristics; multistring AC-LED array; power 100 W; reactive component values; systematic design procedure; voltage transfer function; zero-voltage switching; Artificial neural networks; Capacitors; Inductors; Inverters;
Conference_Titel :
IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4673-2419-9
Electronic_ISBN :
1553-572X
DOI :
10.1109/IECON.2012.6389454
