Silicon-carbide MOSFET based synchronous DC/DC boost converter

This paper presents a high efficiency synchronous dc-dc boost converter. The Silicon-Carbide (SiC) MOSFET belongs to the family of wide-bandgap devices and has the inherit property of lower switching and conduction losses as compared to the silicon counter part. The employement of SiC MOSFETs enables the operation of converter at higher switching frequencies, significantly reducing the inductive and capaictive filter values. The switching frequency of the proposed converter is 250kHz. The peak-current mode control (PCMC) is employed for ensuring the load voltage regulation under steady state and for mitigating the effects of source and load transients. The 200W protype for 24V to 28V step up operation has been developed to validate the proposed system. The results in steady state and transient state are presented which depicts the satisfactory performance of the proposed converter.

[1]  X. Roboam,et al.  More Electricity in the Air: Toward Optimized Electrical Networks Embedded in More-Electrical Aircraft , 2012, IEEE Industrial Electronics Magazine.

[2]  Luis Martinez-Salamero,et al.  Sliding-Mode-Control-Based Boost Converter for High-Voltage–Low-Power Applications , 2015, IEEE Transactions on Industrial Electronics.

[3]  Scott Allen,et al.  Performance Evaluations of Hard-Switching Interleaved DC/DC Boost Converter with New Generation Silicon Carbide MOSFETs , 2013 .

[4]  Luis Martinez-Salamero,et al.  Efficiency comparison between Si and SiC-based implementations in a high gain DC-DC boost converter , 2015 .

[5]  Jun Wang,et al.  Characterization, Modeling, and Application of 10-kV SiC MOSFET , 2008, IEEE Transactions on Electron Devices.

[6]  M. Kazimierczuk,et al.  Control current and relative stability of peak current-mode controlled pulse-width modulated dc-dc converters without slope compensation , 2010 .

[7]  M. Bhatnagar,et al.  Silicon carbide high-power devices , 1996 .

[8]  M. Kazimierczuk,et al.  Loop gain and margins of stability of inner-current loop of peak current-mode-controlled PWM dc-dc converters in continuous conduction mode , 2011 .

[9]  Bulent Sarlioglu,et al.  More Electric Aircraft: Review, Challenges, and Opportunities for Commercial Transport Aircraft , 2015, IEEE Transactions on Transportation Electrification.

[10]  Bulent Sarlioglu,et al.  Comprehensive Efficiency, Weight, and Volume Comparison of SiC- and Si-Based Bidirectional DC–DC Converters for Hybrid Electric Vehicles , 2014, IEEE Transactions on Vehicular Technology.

[11]  Jun Wang,et al.  10 kV SiC MOSFET Based Boost Converter , 2008, 2008 IEEE Industry Applications Society Annual Meeting.

[12]  Olivier Trescases,et al.  SiC-Based Bidirectional Ćuk Converter With Differential Power Processing and MPPT for a Solar Powered Aircraft , 2015, IEEE Transactions on Transportation Electrification.

[13]  X. Roboam,et al.  Experimental validation of a hybrid emergency network with low and medium voltage Li-Ion batteries for more electrical aircraft , 2013, 2013 15th European Conference on Power Electronics and Applications (EPE).