| Title |
Analysis and Control of A Fixed Frequency LCL-type Isolated Bidirectional Converter |
| DOI |
http://dx.doi.org/10.5207/JIEIE.2016.30.3.065 |
| Keywords |
LCL ; Bidirectional DC-DC Converter(BDC) |
| Abstract |
This paper discussed the LCL-type & Isolated bidirectional dc-dc converter(BDC) with dual full bridge inverter. In order to verify the analysis of the BDC, Experimental prototype has been designed and implemented to supply constant voltage regardless of loads and proposed a method to select switching frequency that depended on two inductors' inductance ratio and transformer parameters. The proposed converter has been composed of LCL resonant network with unit inductance ratio (/=1) and then operated with fixed duty, 50% duty ratio and fixed frequency. There are some characteristics that input voltage and output voltage of the BDC is nearly identical and zero voltage turn-on switching is possible in forward and reverse mode. Finally, it has been showed that BDC is possible to commutate operating mode normally and provide constant output voltage in selected switching frequency. |