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Related Experiment Video

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A 100 KW Class Applied-field Magnetoplasmadynamic Thruster

A 100 KW Class Applied-field Magnetoplasmadynamic Thruster

Published on: December 22, 2018

A pulse-compression-ring circuit for high-efficiency electric propulsion.

Thomas L Owens¹

¹West Virginia High Technology Consortium Foundation, 1000 Galliher Drive, Fairmont, West Virginia 26554, USA. towens@wvhtf.org

The Review of Scientific Instruments

|April 2, 2008

Summary

A new pulsed-power system enhances reliability and efficiency for inductive plasma thrusters, crucial for deep-space missions. This advanced system utilizes novel switching and energy recovery for robust spacecraft propulsion.

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A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

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Published on: June 1, 2022

Area of Science:

Aerospace Engineering
Electrical Engineering
Plasma Physics

Background:

Inductive plasma thrusters offer high propellant-utilization efficiency for deep-space missions.
Reliability and electrical efficiency are critical for long-duration space exploration.

Purpose of the Study:

To develop a highly efficient and reliable pulsed-power system for inductive plasma thrusters.
To address the need for robust power systems for future spacecraft propulsion.

Main Methods:

A pulse-compression circuit combining active solid-state and passive magnetic switching was employed.
A novel ring architecture was implemented for efficient energy recovery.
System tests were conducted using an adjustable inductive load at 3.3 kV and 20 kA peak current.

Main Results:

Exceptional reliability was achieved through the hybrid switching approach.
High electrical efficiency was realized via the energy-recovering ring architecture.
The ring topology eliminated voltage reversal, extending capacitor lifetimes.

Conclusions:

The developed pulsed-power system demonstrates high reliability and efficiency for inductive plasma thrusters.
This technology is a significant advancement for enabling long-duration deep-space missions.
The system's design innovations contribute to more dependable and efficient electric propulsion.