SPT-100

SPT-100 is a Hall-effect ion thruster, part of the SPT-family of thrusters. SPT stands for Stationary Plasma Thruster. It creates a stream of electrically charged xenon ions accelerated by an electric field and confined by a magnetic field.[1]

SPT-series thrusters. Upper-left one is SPT-100.

Thruster is manufactured by Russian OKB Fakel, and was first launched onboard Gals-1 satellite in 1994.[2] In 2003 Fakel debuted a second generation of the thruster, called SPT-100B, and in 2011 it presented further upgrades in SPT-100M prototypes.[3] As of 2011 SPT-100 thrusters were used in 18 Russian and 14 foreign spacecrafts, including IPSTAR-II, Telstar-8 and Ekspress A and AM constellations.[3]

Specifications
Parameter SPT-100 SPT-100B SPT-100M SPT-100D
Power (W) 1350 1350 1350 2500
Thrust (mN) 80 83 90,2 112
Thrust-to-power level (mN/kW) 59.26 61,48 66,81 44,80
Specific impulse (s) 1,600 1,600 1,734 2,200
Efficiency (%) 50
Voltage (V) 300 300 600
Discharge current (A) 4.5 4.5 4.17
Mass (kg) 4 4.7
Reference: [4]:14[3]:4[5]:6
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See also

References
  1. Sankovic, John M.; Hamley, John A.; Haag, Thomas W. (1993). "Performance Evaluation of the Russian SPT-100 Thruster at NASA LeRC" (PDF). EP-PC-93-094. Retrieved 26 January 2017.
  2. "ОКБ ФАКЕЛ / About". Archived from the original on 6 February 2017. Retrieved 26 January 2017. In the early 80s, EDB Fakel started its serial production of the thruster types SPT-50, SPT-60, and SPT-70. The first satellite equipped with SPT-70, Geizer 1, was launched in 1982; and in 1994, a new SPT-100 model was implemented aboard the communication satellite, Gals-1
  3. Mitrofanova, O. A.; Gnizdor, R. Yu.; Murashko, V. M.; Koryakin, A. I.; Nesterenko, A. N. (2011). "New Generation of SPT-100" (PDF). IEPC-2011-041. Retrieved 26 January 2017.
  4. Brophy, John R. (15 March 1992). "Stationary plasma thruster evaluation in Russia" (PDF). 19930016017. Retrieved 26 January 2017.
  5. Gnizdor; Komarov; Mitrofanova; Saevets; Semenenko. High-impulse SPT-100D thruster with discharge power of 1.0...3.0 kW (PDF). 35th International Electric Propulsion Conference. IEPC-2017-40. Retrieved 9 March 2019.
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