This paper is aimed at calculating corona current-voltage characteristics of a new design of an
electrostatic motor with a cylindrical rotor made from aluminium foil and multi stator copper
electrodes. The stator electrodes are alternately stressed positively and negatively. The corona
currents emitted from positively and negatively-stressed electrodes are calculated being dependent
on the applied voltage and motor geometry. The method of calculation is based on simultaneous
solution of Poisson’s equation, current density equation and continuity equation for current density.
This calls at first for calculation of the spatial distribution of electric field within the motor volume
using the accurate charge simulation technique. The calculated current-voltage characteristics of the
motor agreed reasonably with those measured experimentally for three motors built-in the
laboratory.