NASA SBIR SUCCESS STORY Glenn Research Center
1993 Phase II

Pulse Power Thyristors (PPTs) for Aerospace

Power Technology South (PTS) Company

Raleigh, NC

INNOVATION
New opening and closing switch thyristor capable of unlimited di/dt blocking up to 40,000 volts
PPT Wafer

Optional Powerpoint file

ACCOMPLISHMENTS
  • Developed opening and closing switch thyristors with unlimited di/dt, blocking up to 40,000 volts in low cost plastic packages
  • Developed practical use of "Pulse Power Technology" in FAA Certified ignition, Thyristor replacement, Laser Fusion, Electroporation and etc.
COMMERCIALIZATION
  • Arrays of the PPTs has been used to replace Thyratrons.
  • PPTs currently used to replace spark gap switches in FAA Certified exciter/igniter systems to start jet engines.
  • PTS has allied with three major power semiconductor producers for an assured supply of PPTs.
  • Private capital investment has been secured to fund several new PPT applications.
  • As a result of this SBIR PTS Company is able to continue to exist as a commercial company.

GOVERNMENT/SCIENCE APPLICATIONS
  • New Government and Commercial Turbine starters use the new PPT technology.
  • Stacks of PPTs are used to replace Thyratron tubes.
  • PPT stacks are also used to initiate Inertial Confinement Fusion in the "NRL Electra" application.
For more information about this firm, please send e-mail to: company representative

Return to NASA SBIR Success Listings

Curator: SBIR Support