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Paul Mezs

Senior Consultant
Electrical Power System Analysis and Design

Paul is a former Boeing Engineer at Commercial Airplane Company until March 2019.  Paul is an electrical power systems analysis engineer and  was previously a staff engineer at Collins Aerospace Systems (formerly UTC / Hamilton Sundstrand) from 2000 to 2013.  He had previously worked at Boeing performing various engineering tasks involving electrical systems design, electrical system analysis, and computer modeling of these systems from 1980 to 2000.

Paul main engineering tasks have involved electrical power system analysis and design in the following areas: 

 

Computer Modeling Experience

  • While at Boeing Paul was involved with computer modeling of electrical systems and their components using EASY5 software.  This was used for analysis of 737 and 777 electrical system phenomena.

  • Last assignment at Boeing involved writing code for EASY5 dealing with electrical system analysis.  I was responsible for writing the ‘Electric Drive Library’ which was later sold as an EASY5 library.

  • At Hamilton-Sundstrand I was involved in modeling various machine types using Matlab’s Simulink software.  Paul translated certain sections of machine and system models written in SABER to Simulink for more efficient simulation of specific phenomena of interest.

  • Have written code for, and performed simulation using EASY5, Matlab/Simulink/ and SABER.

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Recent Electric Power System Analysis Experience

  • Paul have been involved with analysis of electrical power system faults and their effects on the system.  This included voltage transients during fault applications and removals. Paul have worked on analysis of electrical current harmonics injected into the electrical system by load equipment, and their impact on the system. 

  • Paul was involved with setting standards defining limits on the amount of harmonic injection by load equipment.  This included specifications defined by the SAE (Society of Automotive Engineers).

  • Paul have been involved with writing test procedures for electrical power system qualification and certification testing.  In addition,

  • Paul have written the test reports accompanying this testing.

Education:

University of Wisconsin - Madison, Madison, WI 2004 Master of Science in Electrical Engineering. (GPA:  3.86/4.00) Primary focus on electrical machine control and power electronics Winner of Grainger Award in 2000 as one of the top Engineering Students at the University

University of Washington, Seattle, WA 1980 Bachelor of Science in Electrical Engineering (GPA of 3.29/4.00) Primary focus on electrical power systems engineering

Work History

December 2013 – March 2019

  • Worked on the analysis and design of the electrical power generating system on the 737MAX airplane.

  • Worked on the analysis and design of the electrical power generating system on the 747 airplane.

  • Helped with resolution of various issues dealing with electrical power systems.  These included power quality issues, in-service problems, and cost savings initiatives involving the electrical power system.

June 2000 – November 2013

  • Working as an on-site electrical systems engineer for UTC Aerospace Systems (formerly Hamilton-Sundstrand).

  • Worked various Boeing programs including JSF, Sonic Cruiser, and 787.

  • Worked on electrical power systems for non-Boeing aircraft including Airbus and Bombardier.

  • Job responsibilities included the following:

    • Electrical power systems design and analysis for various commercial and military aircraft;

    • Dynamic computer simulation studies of electrical power systems operation;  

    • Electrical laboratory testing within Boeing and HS laboratories; 

    • Creation of various laboratory and airplane functional test procedures including certification test procedures;

    • Creation of laboratory test reports, and electrical analysis reports.

  • Completed Masters Degree program at University of Wisconsin-Madison in power electronics and electrical Machines. o Winner of Grainger Award in 2000 as one of the top graduate engineering students

July 1998 – June 2000

  • Worked in Boeing's Mathematics and Technology Group.

  • Designed and maintained software dealing with the analysis of electrical systems.

  • Designed software code emulating the dynamic behavior of electrical machines, transmission lines, switches, and electrical power conversion devices.

  • Conducted classes teaching engineers how to use simulation software, as well as various aspects of systems engineering.  Conducted testing to determine whether power quality problems existed on Air Force One.

1996 - 1998

  • Worked in the electrical project group of Boeing Commercial Airplanes.

  • Helped develop computer simulations of the electrical power systems for the 737700 and 777 airplanes.

  • Analyzed electrical system operation such as power transfer characteristics, impact of system faults, and the effect of system unbalance.

  • Helped develop an engine starter/generator for the 737-700.  I received a Boeing award for this effort.

  • Helped resolve in-service airplane electrical power quality problems.

1991 - 1996

  • Worked in Boeing's electrical research and development group.

  • Investigated use of variable frequency electrical power systems for airplanes.

  • Investigated the effect of power electronic converters on electrical power quality.

1988 - 1991

  • Involved with the design and implementation of a variable-speed-constant frequency system for the 737 airplane (VSCF); first high-power solid-state converter certified for commercial aircraft.

  • Performed all Boeing laboratory testing for certification of this technology.

  • Paul received a Boeing award for this effort.

1986 - 1988

  • Worked in the electrical design group of Boeing Commercial Airplanes.

  • Involved with system design and testing of high power electronic converters for airplane use.

1983 - 1986

  • Worked in the electrical staff group of Boeing Commercial Airplanes.

  • Involved with the analysis and design of the 737-300 electrical power system.

  • Designed a system test rig and carried out all electrical power system testing used for certification.  I received a Boeing Pride-in-Excellence (PIE) award for this effort.

1980 - 1983

  • Worked in Boeing's Maintenance Publications Group.

  • Prepared technical documents for troubleshooting and maintaining the electrical power systems on Boeing commercial airplanes.

Proficiency:

General experience with Unix and Windows systems. Basic Knowledge of Fortran 77, C. Analysis experience with Matlab/Simulink, EASY5, Saber. Basic word processing and spreadsheet capabilities.

Professional Activities:

  • Chairman of the variable frequency sub-committee for the Society of Automotive Engineers (SAE) branch dealing with Aircraft systems from approximately 1990 to 1995.

  • Served as a Designated Engineering Representative (DER) to the FAA from approximately 1988 to 1991.

  • Paul is a registered Professional Engineer in the state of Washington.

  • Performed technical paper reviews for the Power Electronics Society Annual Meeting of the Institute of Electrical and Electronic Engineers (IEEE).

  • Served as the exhibits chair for the International Electric Machines and Drives Conference (1999) 

Paul Mezs
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