SUMMARY:

Looking for a job in the context of Electromagnetic analysis, design and test of Electric Motors, Generators, Transformers and Electromechanical Energy Conversion.

COMPUTER SKILLS:

Opera FEA, ANSYS Maxwell, CD - adapco SPEED, Magsoft FLUX, Matlab (writing m-files, m-functions and Simulink), P-Spice, Autodesk Inventor, Auto-Cad, INCA, PiSnoop.

EXPERIENCE:

Confidential, Evansville, IN

Project Engineer

Responsibilities:

• Electromagnetic Analysis, Design and Test of high power Confidential /AC motors
• Designed a 400 V Confidential, 10 - pole electromagnetic drum for Aluminum strip Induction heating up to 300 C.
• Captured the Confidential of iron powder and ferrite toroidal cores used in Electromagnetic Interference ( Confidential ) filters by performing electromagnetic and circuit tests and measurements.
• Performed analytical calculations for Unbalanced Magnetic Pull in an Allis-Chalmers 3500 hp Confidential Confidential motor
• Schwarz Christoffel conformal mapping analysis to compute the magnetic field profile inside the slots of Confidential
• Finite Element analysis of high power Confidential /AC machines using OPERA package
• Investigated the saturation status of the yoke of a 4000 hp Confidential motor due to the outer-diameter variations of the yoke.
• Performed test procedure of no load saturation, black-band, load test, heat-run and stall test for a 1500 hp Confidential generator with differential compound winding.
• Designed a 8000 hp Confidential motor with Duplex progressive lap winding based on Westinghouse analytical design formulations.

Confidential, Allen Park, MI

Technical Expert

Responsibilities:

• Measured the electric performance of many engine sensors and actuators such as: Lube Injectors, Fuel Injectors, Pressure and Volume Control Valves, Temperature and Pressure sensors.
• Power Electronics Design for Confidential /3-Phase Invertor for the 15 KW, 300 V Permanent Magnet Motor embedded in OPOC Internal Combustion Engine.
• INCA and Pi-Snoop characterization of sensors and actuators embedded in the control system of Opposed Piston Opposed Cylinder (OPOC) Internal Combustion Engine.
• Hands on experience in testing and controlling of 15 KW, 150 Krpm Permanent Magnet Motors embedded in ECT (Electrically Controlled Turbocharger).
• Hands on experience in building the wiring harness for connecting the engine sensors and actuators to the Flex-ECU (Flexible Engine Control Unit).
• Magnetic Flux, Back EMF, Torque Angle and Current Analysis for the 15 KW, 150 Krpm Permanent Magnet Motor in Turbocharger system: Analytical Formulations
• Analytically Solved Electromagnetic Partial Differential Equation for computing the eddy current loss in the magnets and in the winding of the PM Motor for Turbocharger
• Power Electronics Design for the IGBT Confidential -AC convertor to provide 15 KW, and 5 KHz PWM three-phase terminal voltage of the PM Motor.
• Performed drawing of stator yoke, teeth, 3-phase and 3-layer winding, permanent magnet poles and rotor assembly of a Surface mounted Permanent Magnet motor by using Autodesk Inventor.
• Modeled the perturbation of magnetic field due to the stator slots in the airgap of permanent magnet motors by using circular arc-straight line flux flow approximation and utilized this model as a reduction coefficient to find the tooth flux.
• Derived analytical formulas for the air gap, stator tooth, stator yoke and rotor yoke magnetic flux densities for designing a permanent magnet motor.
• Reviewed permanent magnet data-sheets from Arnold Magnetic Technologies and selected Recoma 33E having 1.16 Tesla Residual Flux Density and 865 KA/m coercive force and 350 C Max Recommended Use Temperature for Ultra-High Speed Permanent Magnet Motor design.
• Sketched the wiring diagram for the Flex-ECU (Flexible Engine Control Unit, a Diesel micro-controller developed by Bosch/ETAS) showing the ECU connections to many sensors and actuators such as: Life Racing lube injectors, VTG (Variable Turbine Geometry), CAN, accelerator pedal position sensors, ignition, stop and break switches, ambient pressure and temperature sensors, fuel rail pressure sensor, crankshaft speed Variable Reluctance sensors, eddy current turbo speed sensor, …
• Studied Bosch data-sheets to select an Inductive Speed Sensor to measure the speed and location of the crank shaft of a combustion engine by using missing tooth trigger wheel decoder having 60-2 teeth.

Confidential, Madison, WI

Supervisor

Responsibilities:

• Computed the electromagnetic power coupling between electromagnetic waves and Confidential electron beams.

Confidential, Rapid City, SD

Research Scientist

Responsibilities:

• Computed the electromagnetic coupling between V-shaped metallic objects.

Confidential, Boston, MA

Research Assistant

Responsibilities:

• Computed electromagnetic coupling between elements of array of metallic rods by using piece-wise sinusoidal basis functions and Singular Value Decomposition (SVD).
• Computed the electromagnetic coupling between metallic core-dielectric shell spheres.
• Achieved 100/100 score in a graduate course entitled ‘Advanced Confidential ’ including the theory of transformers, Confidential machines, three phase induction machines, three phase synchronous machines and single phase and special-purpose motors.

Confidential, State College, PA

Raj Mittra Visiting Scholar

Responsibilities:

• Established novel computationally efficient techniques based on macro-basis functions and small sized matrix equations to characterize the electromagnetic coupling between crossed wires and successfully compared the results to those obtained by Finite Elements method.

Confidential, Boston, MA

Teaching Assistant.

Responsibilities:

• Taught lab section of courses in electromagnetic field and waves to guide undergraduate students in electromagnetic measurement.

Confidential

Teaching Assistant

Responsibilities:

• Performed teaching in courses of Electromagnetics and Confidential for undergraduate students: computing self and mutual inductances, electromagnetic torque, electromagnetic induction and the concept of rotating magnetic fields in 3-phase Confidential .

Confidential

Teaching Assistant

Responsibilities:

• Performed open circuit and short circuit tests on single and three phase transformers to evaluate the magnetic core loss, magnetizing inductance, resultant leakage inductance and copper loss.
• Measured the open circuit voltage and short circuit current of a three-phase synchronous generator.
• Measured the torque-speed characteristics of induction machines.
• Measured the output characteristics of shunt and compound Confidential generators rotated by a 3-phase induction motor.