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What does PPU stand for?

PPU stands for Power Processing Unit (solar electric propulsion)

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We have 74 other meanings of PPU in our Acronym Attic

Samples in periodicals archive:

The system, or any electric propulsion system, consists of four major components: a computer for controlling and monitoring system performance; solar concentrator arrays; a power processing unit for converting power from the solar arrays to the correct voltages for the engine; and the thruster, or engine, itself.
BUSINESS WIRE)--June 15, 1999-- Atlantic Research Corporation (ARC), under contract with the Air Force Research Laboratory (AFRL) through the Integrated High Payoff Rocket Propulsion Technology (IHPRPT) program, has successfully completed the Critical Design Review (CDR) for a SPT-140 Hall Effect thruster and the Planning Design Review (PDR) for its associated Power Processing Unit.