Power Electronics

Exponent has a long history of consulting in the power electronics arena. Our consulting capabilities spans the range from semiconductor device manufacturing support to applications of these devices in products where the power levels are extremely low to the highest power and voltage levels found in electric utility systems. Our experience can be applied to a number of different topics such as: 

Semiconductor Devices 

  • Thyristors
  • Insulated gate bipolar transistors (IGBTs)
  • Solar cells
  • Diodes including silicon carbide diodes

Low Power Applications 

  • Power supplies for computers
  • Charge adapters for portable computing devices
  • Cell phone power supplies and charge adapters
  • Uninterruptible power supplies

Medium Power Applications 

  • Variable speed motor drives in transportation and industrial applications
  • Hybrid vehicles
  • Solar panels
  • Wind turbines 
  • Battery storage systems

High Power Applications 

  • Power quality systems 
  • Reactive power compensation for utility systems
  • Load flow control in electric power transmission systems
  • High voltage direct current (HVdc) systems 

Exponent’s engineers and scientists consult in all aspects of power electronic systems. Our experience includes:

  • Third-party design reviews
  • Electric and magnetic field effects measurements
  • RF interference
  • Environmental and health impact assessments
  • Operational and maintenance reviews of lines and end stations
  • Failure mode and effects analysis (FMEA) of semiconductor devices and conventional power equipment.

We also have expertise related to fractional horsepower (hp) and large hp AC/DC motor drives, power converters, uninterruptible power supplies (UPS), regulators, Switch Mode Power Supplies (SMPS), surge testing and ESD testing. 

Exponent engineers are well versed in solar cell design and construction, as well as interface systems for windmills, solar systems, fuel cells etc. Our services include evaluation of intellectual property and auditing of manufacturing processes for making power supplies and components for power supply assemblies.