Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 37, Issue 10, Pages 11546-11551Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2022.3179627
Keywords
Inductors; Magnetic resonance; Inductance; Voltage; Transformers; Magnetomechanical effects; Magnetic flux; CLLC bidirectional resonant converter; coupled inductor; inductor voltage
Categories
Funding
- National Key RD Program [2020YFB1506800]
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This letter proposed a coupled resonant inductor structure for CLLC bidirectional converter, which can effectively reduce the number and volume of magnetic components and the oscillation caused by parasitic parameters. An optimized current detection method based on magnetic element voltage detection is also proposed to avoid the use of bulky and costly current sensors. Synchronous rectification is realized with the detection to improve efficiency.
This letter proposed a coupled resonant inductor structure for CLLC bidirectional converter, which can effectively reduce the number and volume of magnetic components and the oscillation caused by parasitic parameters. An optimized current detection method based on magnetic element voltage detection is also proposed to avoid the use of bulky and costly current sensors. Synchronous rectification is realized with the detection to improve efficiency. The effectiveness is verified by a 3 kW CLLC converter.
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