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Electric Motor Engineer
Location:
Posted:
March 17, 2016
Reference:
WD30027705074
Job Description:
Johnson Control's Buildings Efficiency Group is seeking a full time Electric Motor Engineer position in the Power Electronics Team located in York, PA. A qualified individual shall have as a minimum of BS degree in Electrical Engineering and seven (7) years of experience in the field of Electric Machines (motors and generators). A graduate degree with focus in Electric Machines and experience in Power Electronics is strongly preferred. Expertise in design, test and service of motor-driven electro-mechanical systems is also required. The following specific set of skills is desired for this position:

Responsibilities:
This individual will be responsible for design of all aspects of variable speed drives for HVAC compressor applications ranging from 300 horsepower to 1,300 horsepower.

Electrical Engineering Skills:

  • Comprehensive knowledge of electrical and magnetic materials.
  • Comprehensive knowledge of electric and magnetic circuit-solving methods in time- and frequency-domain.
  • Experience with non-sinusoidal waveforms and methods for solving circuits in which such waveforms are present.
  • Proficiency in use of simulators to design/develop/model circuits and systems.
  • Proficiency in use of software tools to document designs.
Electric Machine Skills:

  • In-depth knowledge with induction motor, PM synchronous motor, and switched reluctance motor technology in terms of design of electric motors and electrical, thermal, and vibration analysis.
  • In-depth knowledge of induction motor steady-state and dynamic (transient) models; ability to implement such models in a state-of-the-art simulation tool (e.g. Saber). Ability to extend induction motor modeling techniques to other motor technologies.
  • Strong experience to use advanced design tools such as Finite Element Analysis to design induction motor, PM synchronous motor, switch reluctance motor, or other motor type.
  • Capability to analyze induction motor loss and efficiency and related issues. Ability to extend this knowledge to other motor technologies.
  • Experience of motors' electro-mechanical design principles, including rotor and stator manufacturing principles, shaft dynamics, and bearing issues.
  • Good understanding of the issues related to motor/drive interactions, such as motor insulation failures due to non-sinusoidal voltage waveforms, increased motor loss due to non-sinusoidal voltage and current waveforms, bearing voltages and currents.

Other skills and requirements:

  • Ability to work independently with minimal direction.
  • Ability to independently develop approach to solutions.
  • Ability to plan complex projects and system development for multiple products or product families and/or programs.
  • Ability to define specs for multiple projects or product family.
  • Excellent verbal and written skills.
#nextchapter

Job Qualifications:
  • Must have minimum Bachelor's degree in Electrical Engineering with minimum 5 years of professional experience in the field of Electric Machines (motors and generators)
  • Expertise in design, test and service of motor-driven electro-mechanical systems
  • Experience with 3 phase power and high horsepower
  • Project Management abilities
  • Strong communication skills and ability to work with Senior Management
  • Power Electronics skills are not required qualifications, but highly preferred to support cross-functional teams
  • A graduate degree with focus in Electric Machines and experience in Power Electronics is strongly preferred
A little about us:
Johnson Controls is a global diversified technology and industrial leader serving customers in more than 150 countries.

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