Research
2015 – Present
- Pulsed power
- Ultrasound based SOH detection
- Powering implantable electronics
- Smart modulation schemes for power converters
- SOH estimation for large IGBT modules using SSTDR
- Fatigue resilient power converters
2013 – 2014
- Contour mode film resonators for ultra-fast power converters
- Physics of failure of power electronic circuits
2012
- State of health and failure analysis of power converters
- Design of high-efficiency switched-capacitor circuit with continuously variable duty ratio
- PV fault detection using SSTDR
2011
- AC solar cells: A new breed of PV power generation
- Interconnection issues in Multi-junction PV cells
- Non-mechanical MPPT scheme for single phase induction generator
- State of health estimation of power converters
- Reverse synthesis technique for power converters
- New generation switched-capacitor converters
- High efficiency contact-less charging for transportation applications
- Low-cost contact-less power measurement for consumer products
2010
- Developing a low-cost high-efficiency battery management system for vehicular applications.
- A low-cost single phase induction generator for residential applications.
- A novel grid-tied PV inverter with extended lifespan.
2009
- A novel cell equalization technique used in future plug-in hybrid and all electric vehicle batteries.
2003-2008
- Proposed a new topology of bi-directional multilevel modular capacitor-clamped DC-DC converter (MMCCC) for future
hybrid electric and fuel cell drive train (Ph.D. dissertation). Also developed several isolated and non-isolated
versions of the MMCCC converter for various applications - Contributed in photovoltaic energy harvesting project of EPRI and design of an energy management system involving
photovoltaic and motor drives with grid interface - Built a test bench for measuring the efficiency and load pattern modeling for desktop and server power supplies
- Derived a new analysis method for modeling power electronic converters
- Designed a programmable Photovoltaic I/V emulator