ELECTRICAL ENGINEER

Solutions-oriented with history of success contributing to power electronic development and designs. Engineering and technical expertise includes:

EXPERIENCE HIGHLIGHTS

1.Power converter designs. Interleave /bi-directional DC/DC converter, back to back AC/AC, Bus-bar designs and gate driver or commuting control circuit and reasonable commuting technology. Circuit simulation and schematic design and co-work with mechanical engineer for heat sink device designs.

2.Familiar with UL, CE (TUV) safety regulation .

3.Magnetic component (transformer/inductor) designs for switching (high frequency, 40 KH to 1 MHz) power supply and regular frequencies (50/60 Hz) lamination power magnet designs and high frequency ferric magnet designs for EMC filter application.

4.Designing front-in EMI filters or directly design PCB Layout or guide a layout designer to meet EMI requirements (DO-160, IEC61000-3-2 and MIL-STD-461D, E, F).

5.Familiar with the military standards of MIL-STD-704E, MIL-STD-810G, MIL-STD-1275, VITA 46.0 and VITA 64.0.

6.Harmonic and power quality improvements for operating components (IEEE 519).

7.Power supply or power system failure analysis and reliability issue investigations.

8.MATLAB/Simulink, PSIM, ORCAD, P-spice A/D simulation work.

9.Altium 15, PAD design capture and AUTOCAD (2012), VISIO software.

10.Microsoft WINDOWS, Words, Excel, Power Point, and Project software.

WORK HISTORY

Dawn VME Products, Fremont, CA

Sr. Electrical Engineer 11/2013 to Present

- Design 6U VPX/VME (1600W) compact DC/DC power supply module and its magnetic components for military, avionic, air space application.

- Planar 420 uH/100A common mode EMI filter AND 1.5mH/50A differential mode EMI filter designs for VME EMI solution. (complying Mil-Std-461F (CE102, CS106)&DO-160).

- Altium schematic and PCB layout designs for power converters circuit designs.

- Prototype unit test plans (R&D stage)

- LT (ICAP4) Spice and MATLAB/Simulink simulation

- Isolated Vcc circuit designs.

- Designed 50W power supply with 50ms hold-up and magnetic components for military application.

Coda Automotive, Los Angeles, CA 11/2008 to 11/2013

Sr. Power System Engineer

-45 KW Li-ion battery storage system designs for electric energy storage application including interleaving power converting unit design (bi-directional DC/DC, 70V to 700V and 700V to 70V and power rate up to 1 MW.

-45KW interleave/bi-directional DC/DC converter and its inductor designs. Simulation and Schematics and component placement.

-BMS bus-bar or power trace analysis for safety and thermal ability.

L-3 Communication, Power Paragon, Anaheim, CA 07/2006 - 03/2008

Senior Power Engineer

-Successfully developed 2KW power electronic converter design for Navy Power System.

-Designed UPS for logic control in Deguass system.

-Played key role in multiple projects focused Naval ship yard power systems.

-1MW navy shipyard power distribution system design (transformer, switchgear, cables/feeders and protection plan). (ETAP)

Panasonic Avionics Systems Corporation, Lake Forest, CA 04/1996 - 6/2006

Staffing Engineer

-Developed IFE power converters designs with high power quality and low noisy level by using power electronic design tools such P-spice A/D for simulation and MathCad for calculation and OrCad for schematic and direct PCB technician to make the layout work.

-Worked on control loop stability analysis and compensated with proper margins.

-Integral in ensuring complying FCC or Safety and EMI(Boeing DO-160, Airbus) and Panasonic internal regulation and UL1950 or UL60950 for Power Electronic designs.

-Created high frequency magnetic designs including surface mount planar transformers, inductor, EMI filters.

-Analyzed failure modes on failed units; ensured team efforts to create corrective solutions for field service group.

-Reviewed the power electronic designs for reliability and safety prior to final releasing to mass production.

-Designed surface mount switching power supply modules for military applications.

-Performed power supply mass production quality test and monitoring circuit design.

-Developed switching power supply designs for UV lamps that are effectively appliedto medical instruments and semiconductor industry equipment.

-Created EMI filters and electronic enclosure designs.

Jilin Province Power Dispatch Center, China 05/1985 – 03/1991

Power System and Grid Operating Engineer

-Created operation plan for new component upgrades and grid system expansion.

-Gained valuable hands-on experience such scheduling the maintenance for the major components in the grid.

-Conceived proposal ideas for economic operation plans for the generating system later carried out by Center.

-Power system operation and simulation using Fortran (BPA).

EDUCATION & CREDENTIALS

M.S. Electrical Engineering (MSEE), 1996 (GPA: 3.6)

California State University, Los Angeles, CA.

M.S Electrical Engineering (MSEE), 1987

NE China Institute of Electrical Engineering

B.S. Electrical Engineering (BSEE), 1984

Jilin Technology College

California registration of professional engineer (License No:E-15670).

IEEE member in the APEC (Applied Power electronic Commission) and PES (Power Energy System)

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