Electric propulsions rational application range on the applied spacecrafts

It is necessary to specify the orbit control propulsion subsystem type of designed applied spacecraft(S/C). Nowadays electric propulsion systems (EPS) with wide power range are intensively investigated and developed. Therefore it is expediency to clarify the EPS preferable application ranges with a comparison with other propulsion types. This question is topical especially to small S/C. This article is dedicated to study of this task.