Trinh Dang

**** ******* **, *****, ** *****

Email: ad1cll@r.postjobfree.com

Cell: 571-***-****

WORK EXPERIENCES

September- 2022 to Present: Senior Power Electronics Engineer Johnson Controls INC, York, PA.

Designed/Selected/Tested/Troubleshooted Power Electronic equipment of Variable Speed Drive and Dynos in the Lab include “IGBT drivers, IGBT Modules, Grid Blowers, Hydraulic Motors, Liquid Coolant Systems, Traction Motors, High Voltage Supplies, Low Voltage Supplies, Propulsion Systems, Buck-Boost Switching Converters, AC-AC Isolated Converters, AC-DC Isolated Converters, DC-DC Isolated Converters, DC-AC Isolated Converters Power Regulators, Synchronous Rectifiers, Multi-levels Converters, Multi-levels Inverters, DC-AC Single Phase Inverters, DC-AC Three Phases Inverters, Single Phase Converters, Three Phases Converters, Bidirectional Converters, Regenerative Performances, Power Transformers, Multiphases Converters/Inverters, Multi-levels Converters/Inverters, Battery Chargers, Chopper circuits, Grid Circuits, DAB converters, Grid Coolant Blowers, Traction Coolant Blowers, Coolant Liquid Pumps, Hydraulic Motors, Electrostatic Discharge systems, Surge Protective Devices, DC Link/Bus, DC-AC Regenerative Systems, AC-DC Regenerative Systems, Single Phase Motors/Generators, Three Phases Motors/Generators, DC Motors/Generators, DSP Circuits, Analog/Digital Drivers, Power Distribution Systems, PCB Circuits, Thyristors, SCRs, Electrical Bus Bars, Analog Controllers, Microcontrollers, Processors, Microprocessors, Oscillators, Function Signal Generators, VCO, TVS Diodes, Divider, Feedback Systems, LPF Filter, EMI/EMC Systems, Electrical Wirings, Electrical Connectors, Optical Connectors, Relays, Solenoids, Power Inductors, Power Capacitors, Power Resistors, Pressure Sensors, Speed Sensors, Temperature Sensors, DC Voltage Sensors, AC Voltage Sensors, DC Current Sensors, AC Current Sensors, Bus Bars.

Used Test Equipment includes Integrated Oscilloscopes, Multimeters, Signal Generators, Spectrum Analyzers, EMI/EMC Measurement Equipment, Power Analyzer, Multi-Channel Power Analyzer, Multi-Channel Harmonic Power Analyzer, Three-Phase Power Analyzers, Transducers, Labviews to measure feedback signals from Pressure Sensors, Speed Sensors, Temperature Sensors, DC Voltage Sensors, AC Voltage Sensors, DC Current Sensors, AC Current Sensors to identify Electrical/Magnetic Disturbances, Noise Floor Extension, Electromagnetic Events, Harmonic Events, and to measure Bandwidths, Power Factors, Phases, Voltages, Currents, Waveforms, Vectors, Frequencies, Amplitudes.

Performed technical evaluations of electrical components to develop new suppliers, collect technical data, and prepare test procedures.

Drawn/Read/Analyzed Electrical schematics, Electrical Diagrams, Electrical Circuits, Blueprints, Engineering Drawings, Engineering Manuals, Internal Technical Documents, External Technical Documents, and technical specifications of Power Electronics-Power Systems.

Reported technical issues of new designs of Variable Speed Drive and Dynos.

Wrote Engineering Specifications, Engineering Change Proposals, Design Failure Modes- Effective Analysis DFMEA, and Validation Plans for new designs of Variable Speed drives and Dynos, Programmed Mathlab.

Collaborated with Electrical-Electronics Design Engineers, Semiconductor Engineers, PCB Engineers, Automation Engineers, Mechanical Engineers, and Software Programs using active listening and communication skills on the phone and in writing to facilitate more significant customer satisfaction.

Wrote daily reports, Provided Technical Assessments, Ensured Design Compliance according to Engineering Issues of Variable Speed Drive and Dynos

Managed complex technical projects and processed works to complete them in a fixed time frame.

March-2021 to September- 2022: Senior Power Electronics Engineer WABTEC Transportation, Erie, PA.

Designed/Selected/Tested Power Electronic equipment of Propulsion/Auxiliary systems on Electric Locomotives, Rail Cars, Electric Vehicles, Electric trucks, Off Highway Vehicles in the Lab include “IGBT drivers, IGBT Modules, Traction Blowers, Grid Blowers, Hydraulic Motors, Liquid Coolant Systems, Traction Motors, High Voltage Supplies, Low Voltage Supplies, Propulsion Systems, Buck-Boost Switching Converters, AC-AC Isolated Converters, AC-DC Isolated Converters, DC-DC Isolated Converters, DC-AC Isolated Converters Power Regulators, Synchronous Rectifiers, Multi-levels Converters, Multi-levels Inverters, DC-AC Single Phase Inverters, DC-AC Three Phases Inverters, Single Phase Converters, Three Phases Converters, Bidirectional Converters, Regenerative Performances, Power Transformers, Multiphases Converters/Inverters, Multi-levels Converters/Inverters, Battery Chargers, Chopper circuits, Grid Circuits, DAB converters, Grid Coolant Blowers, Traction Coolant Blowers, Coolant Liquid Pumps, Hydraulic Motors, Electrostatic Discharge systems, Surge Protective Devices, DC Link/Bus, DC-AC Regenerative Systems, AC-DC Regenerative Systems, Single Phase Motors/Generators, Three Phases Motors/Generators, DC Motors/Generators, DSP Circuits, Analog/Digital Drivers, Power Distribution Systems, PCB Circuits, Electrical Throttles, Tachometer Circuits, Thyristors, SCRs, Electrical Bus Bars, Analog Controllers, Microcontrollers, Processors, Microprocessors, Oscillators, Function Signal Generators, VCO, TVS Diodes, Divider, Feedback Systems, LPF Filter, EMI/EMC Systems, Electrical Wirings, Electrical Connectors, Optical Connectors, Relays, Solenoids, Power Inductors, Power Capacitors, Power Grids, Chopper Circuits, Power Resistors, Pressure Sensors, Speed Sensors, Temperature Sensors, DC Voltage Sensors, AC Voltage Sensors, DC Current Sensors, AC Current Sensors, Bus Bars.

Performed Integration Test of Power Electronic equipment on Propulsion/Auxiliary systems of Electric Locomotives, Rail Cars, Electric Vehicles, Electric trucks, and Off-Highway Vehicles in the Lab and on the field.

Used Test Equipment includes Integrated Oscilloscopes, Multimeters, Signal Generators, Spectrum Analyzers, EMI/EMC Measurement Equipment, Power Analyzer, Multi-Channel Power Analyzer, Multi-Channel Harmonic Power Analyzers, Three-Phase Power Analyzers to measure feedback signals from Pressure Sensors, Speed Sensors, Temperature Sensors, DC Voltage Sensors, AC Voltage Sensors, DC Current Sensors, AC Current Sensors, to identify Electrical/Magnetic Disturbances, Noise Floor Extension, Electromagnetic Events, Harmonic Events, and to measure Bandwidths, Power Factors, Phases, Voltages, Currents, Waveforms, Vectors, Frequencies, Amplitudes.

Performed technical evaluations of electrical components to develop new suppliers, collect technical data, and prepare test procedures.

Drawn/Read/Analyzed Electrical schematics, Electrical Diagrams, Electrical Circuits, Blueprints, Engineering Drawings, Engineering Manuals, Internal Technical Documents, External Technical Documents, and technical specifications of Power Electronics-Power Systems.

Reported technical issues of new designs of Electric Locomotives, Rail Cars, Electric Vehicles, Electric trucks, Off-Highway Vehicles to Electrical-Electronics Design Engineers, Semiconductor Engineers, and PCB Engineers.

Wrote Engineering Specifications, Engineering Change Proposals, Design Failure Modes- Effective Analysis DFMEA, and Validation Plans for new designs of Electric Locomotives, Rail Cars, Electric Vehicles, Electric trucks, Off-Highway Vehicles.

Collaborated with Electrical-Electronics Design Engineers, Semiconductor Engineers, and PCB Engineers, Automation Engineers, Mechanical Engineers, Software programmers using active listening and communication skills on the phone and in writing to facilitate more significant customer satisfaction.

Wrote daily reports, Provided Technical Assessments, and Ensured Design Compliance according to Engineering Issues of Electric Locomotives, Rail Cars, Electric Vehicles, Electric trucks, Off-Highway Vehicles.

Managed complex technical projects and processed works to complete them in a fixed time frame.

May-2012 to March-2021: GS 13 Electrical Patent Examiner (Electrical, Electronic, and Control, etc.)

U.S. Patent and Trademark Office, Alexandria, VA.

Examined Inventions and Novelties of Power Electronics-Power Systems include “High Voltage Supplies, Low Voltage Supplies, Propulsion Systems, Buck-Boost Switching Converters, AC-AC Isolated Converters, AC-DC Isolated Converters, DC-DC Isolated Converters, DC-AC Isolated Converters Power Regulators, Synchronous Rectifiers, Synchronous Inverters, Switching Inverters, Single Phase Inverters, Three Phases Inverters, Single Phase Converters, Three Phases Converters, Bidirectional Converters, Linear Regulators, Power Transformers, Flyback Converters, Multiphases Converters/Inverters, Multi- levels Converters/Inverters, Battery Chargers, Solar Powered AC Systems, Electrostatic Discharge systems, Surge Protective Devices, DC Link/Bus, DC-AC Regenerative Systems, AC-DC Regenerative Systems, Single Phase Motors/Generators, Three Phases Motors/Generators, DC Motors/Generators, DSP Circuits, Analog/Digital Drivers, Power Rails, Catenary High voltage Network, Power Distribution Systems, Power Houses, Hybrid Systems, PCB Circuits, Semiconductor Modules, Electric Vehicles, Electric Locomotives, Electrical Throttles, Tachometer Circuits, IGBT semiconductors, Thyristors, SCR, Electrical Bus Bars, Analog Controllers, Microcontrollers, Processors, Microprocessors, Wave Transmitters, Wave Receivers, Wave Detectors, Communication Systems, Modulators, Demodulators, PWM Modulators, PSM Modulators, FSM Modulators, Digital Processing controllers, Microwave Systems, Comparators, Error Amplifiers, Electronics Timers, Electronics Clocks, Oscillators, Oscilloscopes, VCO, ADC, DAC, TVS Diodes, Signal Generators, Divider, Feedback Systems, Feedforward Systems, HPF Filter, LPF Filter, BPF Filters, EMI/EMC Systems, Temperature Sensors, Pressure Sensors, Voltage Sensors, Current Sensors, Electrical Wirings, Electrical Connectors, Relays, Solenoids, Power Inductors, Power Capacitors, Power Resistors.

Collaborated with Inventors, Designers, and Attorneys using active listening and communication skills on the phone and in writing to facilitate more significant customer satisfaction.

Improved the turnover of patent applications using diverse thinking practices (big picture and detail orientation), resulting in an over 100% increase in patent insurance.

Read / Analyzed Electrical schematics, Electrical Diagrams, Electrical Circuits, Blueprints, and Power Electronics-Power Systems technical specifications.

Ensured that the workplace was monitored and fully complied with all applicable standards, policies, rules, and regulations to maintain office safety.

Communicated to Patent Attorneys and Inventors for Key Technical Issues of Power Electronics-Power Systems.

Wrote Office Actions according to technical Issues of Power Electronics-Power Systems.

Provided critical technical issues to Inventors and Designers to get Patents.

Issued Patents and Inventions of Power Electronics and Power Systems to inventors and Designers.

May-2005 to May-2012: Electrical System Engineer

Alstom Transportation at Amtrak Facilities.

Designed/Selected/Tested/Built Propulsion/Auxiliary systems of Acelar Locomotives, AEM7 Locomotives.

Installed/Tested/Troubleshot Power Electronics equipment of Acelar Locomotives, AEM7 Locomotives include “IGBT drivers, IGBT Modules, High Voltage Supplies, Low Voltage Supplies, Propulsion Systems, Buck-Boost Switching Converters, AC-AC Isolated Converters, AC-DC Isolated Converters, DC-DC Isolated Converters, DC-AC Isolated Converters Power Regulators, Synchronous Rectifiers, Synchronous Inverters, Switching Inverters, Single Phase Inverters, Three Phases Inverters, Single Phase Converters, Three Phases Converters, Linear Regulators, Power Transformers, Flyback Converters, Multiphases Converters/Inverters, Multi- levels Converters/Inverters, Battery Chargers, Chopper circuits, Grid Circuits, DAB converters, Grid Coolant Blowers, Traction Coolant Blowers, Coolant Liquid Pumps, Hydraulic Motors, Traction Motors, Surge Protective Devices, DC Link/Bus, DC-AC Regenerative Systems, AC- DC Regenerative Systems, Single Phase Motors/Generators, Three Phases Motors/Generators, DC Motors/Generators, DSP Circuits, Analog/Digital Drivers, Power Rails, Catenary High voltage Network, Power Distribution Systems, Power Houses, Hybrid Systems, PCB Circuits, Semiconductor Modules, Electrical Throttles, Tachometer Circuits, IGBT semiconductors, Thyristors, SCR, Electrical Bus Bars, LPF Filter, EMI/EMC Systems, Temperature Sensors, Pressure Sensors, Voltage Sensors, Current Sensors, Electrical Wirings, Electrical Connectors, Relays, Solenoids, Power Inductors, Power Capacitors, Power Resistors, Mechanical Systems, Hydraulic Systems, Communication Systems.

Provided electrical/Electronic design support for major projects.

Scheduled and managed significant projects in the process plant for Acelar Locomotives, AEM-7 Locomotives.

Reported technical Issues of Acelar Locomotives, AEM-7 Locomotives to Designers of Alstom Transportation and serving as technical advisor.

Read/Analyzed Electrical schematics, Electrical Diagrams, Electrical Circuits, Blueprints of Propulsion/Auxiliary Systems in Acelar Locomotives, AEM-7 Locomotives, and Subway cars.

Analyzed technical Issues on Propulsion/Auxiliary Systems of AEM-7 Locomotives and Acelar Locomotives by event logs.

Improved reliability while reducing maintenance costs for Acelar Locomotives, AEM-7 Locomotives.

Served as Electrical Field Engineer in facility operations/management.

Ensured that the workplace was monitored and fully complied with all applicable standards, policies, rules, and regulations to maintain facility safety.

Performed VSD (Variable Speed Drive), Matlab, and Dynamometer.

Reported technical Issues of Acelar locomotives and AEM-7 Locomotives to Designers of Alstom Transportation and served as technical advisor.

Maintained the preventive maintenance schedule, the preventive maintenance tasks, and the preventive maintenance software for a large amount of equipment on Acelar and AEM7 locomotives.

May-2000 to May-2005: Electrical System Engineer

Alstom Transportation at MD, DC, VA.

Tested/Built/Commissioned MTA Subway Cars and WMATA Subway Cars.

Installed/Tested/Troubleshot Power Electronics equipment of MTA Subway Cars and WMATA Subway Cars include “High DC Voltage Supplies, DC-DC Converters, Battery Chargers, DC Traction Motors, Electrical Throttles, Temperature Sensors, Pressure Sensors, Voltage Sensors, Current Sensors, Electrical Wirings, Electrical Connectors, Relays, Solenoids, Power Inductors, Power Capacitors, Power Resistors, Communication Systems, Lighting Systems, Auxiliary System.

Provided electrical/Electronic design support for major projects.

Scheduled and managed significant projects in the process plant for MTA Subway Cars and WMATA Subway Cars.

Reported technical Issues of MTA Subway Cars and WMATA Subway Cars to Designers of Alstom Transportation and served as technical advisor.

Read/Analyzed Electrical schematics, Electrical Diagrams, Electrical Circuits, Blueprints of Propulsion/Auxiliary Systems in MTA Subway Cars and WMATA Subway Cars.

Analyzed technical Issues on Propulsion/Auxiliary Systems of MTA Subway Cars and WMATA Subway Cars by event logs.

Improved reliability while reducing maintenance costs for MTA Subway Cars and WMATA Subway Cars.

Served as Electrical Field Engineer in facility operations/management.

Ensured that the workplace was monitored and fully complied with all applicable standards, policies, rules, and regulations to maintain facility safety.

Reported technical Issues of MTA Subway Cars and WMATA Subway Cars to Designers of Alstom Transportation and served as technical advisor.

Maintained the preventive maintenance schedule, the preventive maintenance tasks, and the preventive maintenance software for a large amount of equipment on MTA Subway Cars and WMATA Subway Cars.

Education

Bachelor of Science in Electrical / Electronic Engineering: Capitol Technology University at Laurel, MD.

Bachelor of Science in Mechanical Engineering: Saigon, Vietnam. Professional References

Electrical Patent Primary Examiner: Mathew Nguyen: 714-***-****.

Electrical Patent Primary Examiner: Emily Pham: 571-***-****.

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