Abstract
In the vacuum environment, the experimental platforms of discharge waveform measurement, impulse bit measurement and electromagnetic interference testing were set up for one designed micro pulsed plasma thruster (μPPT) to study the effect of the capacitance capacity, discharge voltage and electrode pads’ spacing on the discharge waveforms and impulse bit of it, as well as the electromagnetic interference. The experimental results show that the oscillation of discharge waveforms can be reduced by increasing the capacitance capacity and the distance between the two electrodes or decreasing the discharge voltage. With the increasing of the capacitance capacity, the discharge voltage and the distance between two electrodes, the impulse bit of μPPT rises. In the frequency range of 0.8∼2.6 GHz, the work of μPPT will not cause electromagnetic interference to spaceborne equipment and its signal transmission.
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