Expert Details

Expert in Power Electronics, Analog and Mixed Signal Circuit, Inverter Design, PCB Layout, Motor Control

Expert ID: 726023 Massachusetts, USA

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He has obtained MSEE degree with an emphasis on power electronics where he was worked on company sponsored academic research and development activities while pursuing graduate degree. He has been designing dc-link converters, full-wave rectifiers and electric-power conversion equipment by utilizing metal-oxide semiconductor field effect transistors (MOSFETs), power inductors, insulated gate bipolar transistors (IGBTs) etc. for over 20 years. He has been involved in all aspect of electric-power conversion equipment design process from initial concept development to full production. He is very familiar with design and control techniques such as pulse-width modulation (PWM), selection and specification of components related with power converter designs. He has experience with low power (1 kW to 30 kW) converter design for hi-rel aerospace and military applications as well as high power (300 kW to 1 MW) converter design practices for industrial applications. In addition he has worked on design and development of a 100 kW, 400 V rated dc-link converter for an electric vehicle application.

Expert has extensive experience with design and development of power converters utilizing mixed signal components such as microprocessors, FPGA and variety of logic as well as analog components. He has been intimately involved with printed circuit board (PCB) layout and development with an emphasis of design for manufacture (DFM), design for testing (DFT) and EMI suppression techniques.

Expert is very familiar with designing/selecting power components related with power electronics: semiconductor devices, magnetic components, cooling systems etc. Specific power levels Expert has experience with varies from 1kW to 1MW with DC link voltages as high as 1.5kV.

He is very familiar with all laboratory equipment related with testing power converts such as oscilloscopes, current, voltage and power measurement devices.

He has worked on designing a 100 kW, 400 V dc-link rated inverter for an electric vehicle application.Developed gate driver circuit for an inverter for Uninterruptible Power Supply application that utilizes 400A, 1200V IGBTs.

Expert may consult nationally and internationally, and is also local to the following cities: Boston, Massachusetts - Worcester, Massachusetts - Springfield, Massachusetts - Lowell, Massachusetts - Cambridge, Massachusetts - Brockton, Massachusetts - New Bedford, Massachusetts - Hartford, Connecticut - Manchester, New Hampshire - Providence, Rhode Island

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Education

Year Degree Subject Institution
Year: 1992 Degree: BS Subject: Electrical Engineering Institution: Istanbul Technical University, Istanbul, Turkey
Year: 1997 Degree: MS Subject: Electrical Engineering (Power Electronics) Institution: Virginia Tech, Blacksburg, VA

Work History

Years Employer Title Department Responsibilities
Years: 2012 to Present Employer: Undisclosed Title: Principle Design Engineer Department: Responsibilities: He is the lead-engineer for designing high power inverters for renewable energy applications.
Years: 2011 to 2012 Employer: Advanced Energy Industries Title: Member of Technical Staff Department: Solar Energy Responsibilities: He was involved in designing, testing and commissioning of high power (1kV, 500kW) inverters for renewable energy market.
He has worked with specifying key components such as magnetics, semiconductors, disconnect devices, contactors etc for high power inverters.
Years: 2003 to 2011 Employer: Woodward Governor Title: Sr. Power Electronics Design Engineer Department: Responsibilities: He is responsible for complete design and development of BLDC motor drives for military and aerospace applications. Motor drives are rated for 270Vdc and 1 kW to 30 kW output power.
Years: 1997 to 2003 Employer: Johnson Controls (York International) Title: Engineer III Department: Engineering Responsibilities: He was involved in design and development of variable speed motor drives and active harmonic filters for Heating, Ventilation and Air Conditioning (HVAC) applications. The drives are used for control of an induction motor with a power rating of 300 kW to 1 MW. The active filters are used for active cancellation of input harmonics of a non-linear load in order to comply with IEEE-519 harmonic current requirements.

Career Accomplishments

Associations / Societies
IEEE Power Electronics Society
Awards / Recognition
Obtained BSEE with highest GPA in his class.
Publications and Patents Summary
He holds three patents.

Additional Experience

Training / Seminars
Power Factor Correction Short Course at Virginia Tech, Virginia.
Xilinx FPGA short course.
Vendor Selection
Familiar with all key supplier working in the area of power semiconductors, capacitors, inductors, switch gear and other components related with design of a high power electronic system.
Marketing Experience
Power Semiconductor devices, motor drives, solar inverter & installations
Other Relevant Experience
Excellent troubleshooting, problem solving and communication skills.

Language Skills

Language Proficiency
English Proficient

Fields of Expertise

dc link converter, DC to DC conversion, component, electric-power conversion, full-wave rectifier, power electronics, power inductor, power metal-oxide semiconductor field effect transistor, switching power converter design, quality high-power converter, pulse-width modulation, power-supply circuit, power converting circuit control, electric-power converter, alternating current, alternating-current power, bare board, circuit design, circuit trace, direct current, electric current measurement, electrical component selection, electrical schematic diagram, electronic breadboard, electronic circuit, electronic circuit design, electronic circuit element, electronic device, electronic logic circuit, electronics design engineering, electronics engineering, logic gate, multilayer printed circuit board, pn junction diode reverse breakdown voltage, power field-effect transistor, power semiconductor device, power transistor, printed board assembly, printed circuit, printed circuit board, printed-wiring board, surface-mount component, surface-mount printed circuit board, through-hole technology, voltage reference diode, DC-to-DC converter, direct-current relay, ground loop, electric power conditioner, output power rating, direct-current voltage, output power, printed wiring assembly, printed circuit board connector, electronic packaging, electromagnetic susceptibility, printed circuit board design-for-manufacturability, printed circuit board design-for-assembly, printed circuit board design, direct-current to alternating-current converter, direct-current to alternating-current conversion, alternating-current transformer, alternating-current frequency converter, electric conductor, overload protection, surge arrester, overvoltage protection, electronics manufacturing, electronics cooling

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