Nov 18, 2020
In the article results of development and experimental tests of Hall-effect Thruster ST-25 are presented. This thruster is intended for application on small space vehicles. With the purpose of decrease of input electric power in the magnetic system of the thruster a permanent magnet is applied. The permanent magnet is located at the base of…
Jul 27, 2020
Summary There is now a growing need for broadband Internet access. The majority of subscribers are served through terrestrial (cable) or mobile networks; however, the deployment of terrestrial networks is not economically feasible for remote or sparsely populated areas. Broadband satellite communications are the only available solution for such areas. The main advantage of satellite…
May 25, 2020
The structure of electric propulsion systems based on Hall thrusters includes an energy processing and control unit (PPU) that converts the electrical energy of an onboard power supply into the voltages and currents needed to operate of all the propulsion system subsystems. One of the main secondary power supplies of PPU is the discharge power…
Feb 21, 2020
Introduction One of the modern trends in the development of space technology is the reduction in the mass of spacecraft and, accordingly, the decrease in electric power on board. This implies the task of creating electric propulsion systems with relatively small (200 – 300 W) electric power. To create the electric propulsion thruster with the…
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