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Career Summary
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• Green Card Holder with 10 years of hands on and R&D experience in electrical and power electronics domain
• Worked on power supply and battery charger design from proof of concept to production
• Worked on layout, connection diagram, assembling and testing of power electronic converters
• Developed engineering design and documentation for fuel cell product and test stand
• Excellent research background with several achievements on presentation skills
• Developed effective communication skills with team members, vendors, suppliers and customers
Work Experience
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Senior Engineer – Electrical and Power Electronics 2013 – Present
AllCell Technologies, 2321 W 41st St., Chicago, IL 60609
• Leading power electronics design of 350W flyback/push-pull DCDC converter based lithium-ion battery charger from proof of concept to production
• Working on analog and digital design of low and medium voltage battery management system
• Design knowledge on switch forward, 2-switch forward, half bridge, full bridge converters
Senior Design Engineer – Electrical and Power Electronics 2011 – 2013
UTC Power, 195 Governor’s Highway, South Windsor, Connecticut, USA
• Worked on design of electrical/power electronics architecture for 400 kW fuel cell product
• Estimated mean time between failure (MTBF) of the inverters using MIL-HDBK-217F method
• Conduct analog-digital hybrid control circuit design, layout design (AutoCAD), inverter system performance simulation (MatLab/Simulink, PSCAD and PSIM), and thermal calculations
• Compared efficiency using switching and conduction loss of 2 and 3-level inverters for wind energy product
• Designed (technical lead) fuel cell product and test stand by developing functional requirement, interface control document, 3-line, FMEA, arc flash analysis, NFPA70/79, NEC, grounding/ bonding and test plan
• Collaborate research with universities/industries on micro-inverter, back to back inverter and 3-level inverter
Post Doctoral Fellow 2010 – 2011
Sustainable Power Research Group, University of New Brunswick, Fredericton, NB, Canada
• Design, assemble, debug and testing of Ventera Synchronous 12kW Wind-Solar Inverter, Wenvor 30kW wind power and 56 kW Verdant Power Kinetic Hydropower System
• Expertise on DSP-based Maximum Power Point Tracking (MPPT) algorithm for wind and solar inverters
• Develop schematic, connection and PCB design for interface and driver board of IGBT modules
• Prepare task planning and test planning for interface board and converter modules
• Conduct the UL1741/IEEE1547 certification and environment tests of inverter products
• Responsible for creating site-specific design documentation for wind and solar on/off-grid converters
Graduate Student and Teaching Assistant 2004 – 2010
Energy Systems Research Group Memorial University of Newfoundland, St. John’s, NL, Canada
• Achieved 5% increment in efficiency and reliability of a wind energy system power electronics
• Reduced noise level by 50% by designing an EMI filter for an inverter
• Developed field/armature (DC) control, excitation capacitor (Induction Generator) control, rotational speed (Permanent Magnet Generator) control
• Designed and developed 1.5kW DC-DC converter and inverter and implemented control using micro controller (PIC18F452)
• Presented more than 30 technical papers at industrial forums and journals
Engineering Intern January/April – 2011
SciencePages, Partnership Group for Science and Engineering (PAGSE), Ottawa, ON, Canada
• Research on Existing literature on Smart Grid
• Write SciencePages note with fellow interns for Canadian Parliament Members
Electrical Intern April/May – 2008
Newfoundland and Labrador Hydro, St. John’s, NL, Canada
• Managed project work of RAMEA Wind-Hydrogen-Diesel plant
• Built effective sensor circuits for SCADA and EMS
• Developed MPPT control for the Northern Wind Power 100 kW wind turbine
Lecturer/ Consultant and Research Testing Officer 2002 – 2004
Khulna Univ. of Engg. and Tech./ Consultancy and Research Testing Services, Khulna, Bangladesh
• Taught under...
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