SPT-100

SPT-series thrusters. Upper-left one is 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]

The thruster is manufactured by Russian OKB Fakel, and was first launched onboard the 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 spacecraft, 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 (%)	47	48	57	48
Voltage (V)	300	300	300	600
Discharge current (A)	4.5	4.5	4.5	4.17
Mass (kg)	4			4.7
Reference: [4] : 14  [3] : 4  [5] : 6

See also

• PPS-1350
• SPT-140

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.

External links

• Stationary plasma thrusters(PDF)