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Effect of power on PPT discharge current
, Article Aircraft Engineering and Aerospace Technology ; Volume 85, Issue 3 , 2013 , Pages 207-214 ; 00022667 (ISSN) ; Sharif University of Technology
2013
Abstract
Purpose - The purpose of this paper is to investigate the effect of power on pulsed plasma thruster (PPT) discharge current with respect to its peak, duration, and behavior while the power elevates in a low power range. Design/methodology/approach - A rectangular parallel-plate breech-fed PPT has been developed with a self-inductor coupling element connecting the PPT cathode to the ignitor plug cathode. The PPT has been operated in vacuum chamber at 10-6mbar and its discharge current has been recorded using a Rogowski coil while input power has been changed by means of varying the capacitor voltage at given capacitance and frequency. Findings - The analysis leads to elucidate the effects of...