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Characterizing Cathode Current Dynamics to Reduce High Voltage Transients in Hall Thrusters

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Description

To investigate and mitigate the root cause of damaging electrical spikes during Hall thruster operation.

Benefits

Hall Effect Thruster (HET) cathodes produce high-voltage transients that can damage the propulsion string and the spacecraft. This effort seeks to determine the contributing factors through a parametric study and incorporate findings into future designs that do not produce high voltages.

Details

Technology areaPropulsion Systems
ProgramAgency Independent Research and Development (A-IRAD)
Lead organizationGlenn Research Center, Cleveland, OH
Start date2026-10-01
End date2027-09-30

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