Двигательная установка. XIPS-25. [Редактировать]

Технические характеристики

#ХарактеристикаЗначение
1Тяга, мН165
2Удельный импульс, метра в секунду35000
3Мощность, Вт4200

Найдено 153 документов по запросу «XIPS-25». [Перейти к поиску]


Дата загрузки: 2017-12-26
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0.05/5
... транспорта в городских условиях с точностью 15-25 см, что позволяет отслеживать нахождения... http://www.vestnik-glonass.ru/ 25 глонасс-клуб заказчик не понимает... июль 2005 14.08.2007 25 сентябрь 2005 18.11.2007 25 февраль 2006 18.04.2008 ... апрель 2009 15.05.2012 25 выведен из эксплуатации. Спутник оператором..., мес Контракт Дата запуска кВт 3.8 25 ноябрь 2006 12.02.2009 SES Group 2 Optus-D3 Star-2 7.25 26 май 2007 21.08....02.2010 Intelsat 5 SES-1 Star-2 5.0 25 февраль 2008 24.04.2010... Corporation 7 New Dawn Star-2.4 6.75 25 сентябрь 2008 22.04.2011....2011 SES Group 9 SES-2 Star-2.4 6.25 42 февраль 2008 21.09...,2 млн. м до 4,5 5,8-8,6 5,8-8,6 м до 12,25 9,2 до 12,25 м до 38 36,9-38... ксеноне (Xenon Ion Propulsion System, XIPS). В России они получили название электрическая... и стабилизации спутника. Известно, что, например, XIPS-25 (платформа BSS-702) обладает удельным... выше 300 с. Таким образом, использование XIPS приводит к существенному уменьшению массы платформы... ионный двигатель фирмы Boeing типа XIPS-25 использует всего лишь 75 кг..., горючее – монометилгидразин и гелий – вытеснительный газ). XIPS может использоваться не только для... трёх тонн топлива. Поэтому применение XIPS заметно снижает массу аппарата и предоставляет... существования падала более чем на 25%, при заявленном производителем падении на... (время ГЛОНАСС) текущее в системе Исправен -2.25 в системе Исправен 1.15 2/2 2485 1 747... 4/4 2474 1 742 6 02.10.2011 25.10.2011 02-10-14... -0.32 10/10 2426 2 717 -7 25.12.2006 03.04.2007... 0.16 11/11 2436 2 723 0 25.12.2007 22.01.2008... 1.39 13/13 2434 2 721 -2 25.12.2007 08.02.2008... 4.27 14/14 2424 2 715 -7 25.12.2006 03.04.2007... -2.64 15/15 2425 2 716 0 25.12.2006 12.10.2007... 2433 3 720 3 26.10.2007 25.11.2007 06-09-21... в системе Исправен -1.66 25/17 2419 3 714 -6 25.12.2005 31.08....02.2011 --/21 2443 3 725 4 25.09.2008 05.11.2008....08.2014 Погрешность ПД, [м] Исправен -5.25 Исправен 3 C 2 23833 II-A 28.03....2012 текущее в системе Исправен -6.82 25 B 2 36585 II-F 28.05.2010... Исправен -3.42 31 A 2 29486 IIR-M 25.09.2006 13.10.2006...



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0.16/5
... ion thruster and the derated XIPS-30 are about tied for... the NH3 arcjet and the XIPS-25 close behind. When these results... in scope to either the XIPS-13 or the HAJ, assumed... to each EPS. The small XIPS is included for NSSK only... of EPS's EPS Device XIPS-13 XIPS-25 XIPS-30 SPT-100 H2AJ H2RJ... GIM PMU STRU HARN MISC XIPS-13 XIPS-25 XIPS-30 SPT-100 H2AJ....0 21.0 In Table 3, the XIPS-13 and -25 thruster masses include part..., are given in parentheses below. 3.0 XIPS-25 Mbol T. mo Mbol 3717 3259...(2647) 2638(2525) 19.8 11.4 6.7 3.9 1.8 XIPS-30 H2 AJ Mbol T. mo... for added redundancy (configuration 2). 3. The XIPS-30 (de-rated) for both... thruster system, and a four thruster XIPS-13 system for NSSK (configuration... with only 4 thrusters, since the XIPS-30 thruster has been shown... in this example. For the XIPS-30, 4-thruster system, the increase... between it and the 4-thruster XIPS-13 system which would be... angle is about 28% (cos 25/cos 45), and this must... velocity of the XIPS-30 relative to the XIPS-13. The 1869... assigned to OR with the XIPS-30 is the sum of... the XIPS-13 ion thrusters are mounted at a cant angle of 25... in BOL Mass SPT-100 XIPS-30 63 133 198 333...-100 (configuration 2) and the derated XIPS-30 (configuration 3) are also substantial... the SPT-100 and the XIPS-30, the hardware is more... need be added; for the XIPS-30, only the increased cost... S 46 a. H2RJ b. SPT-100 c. XIPS-30 d. XIPS-25 5000 5740 57 36 536... WITH XIPS-30'S. XIPS3 CONFIGURATION 4: OR WITH H2RJ's; NSSK WITH XIPS-13...



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0.16/5
Evaluation of 25-cm XIPS© Thruster Life for Deep Space ... Abstract: The 25-cm Xenon Ion Propulsion System (XIPS©) thruster has been... the 25-cm XIPS life test. The code predicts that the XIPS grid... accel voltage capability of the XIPS power supply, the third grid... these processes for delta-qualifying XIPS® ion thrusters9,10 for NASA... wear codes. Modeling of the XIPS grids has demonstrated the benefits... benchmark wear testing of the XIPS cathode for deep space applications.... 25-cm XIPS Performance The development17 and performance2,3,9 of the 25-cm XIPS thruster have been previously reported. The 25-cm thruster... date). A comprehensive description of the XIPS thruster production and manufacturing process... Chien10. The fact that the XIPS thruster and PPU are manufactured... Figure 1. Photograph of the 25-cm XIPS thruster respect to engine/power... of the 25-cm XIPS thruster is summarized18 in Table 1. The XIPS thruster... the performance specifications. Table 1. 25-cm XIPS thruster and PPU parameters in... engine power is required, the XIPS ion thruster performance from 0.4 to... 3. Even though the NSTAR and XIPS thrusters have a similar electrical design and common development heritage, the XIPS based IPS has demonstrated over... studies5 were previously published11. The XIPS thruster has significant performance and... 2. Total efficiency of the 25-cm XIPS thruster and PPU and the... Like all ion thrusters, the XIPS ion thrusters, are potentially susceptible... these failure mechanisms. However, the 25-cm XIPS thruster is a second-generation... mitigation of many others11. The XIPS thrusters have also undergone several... and cycles21 of the XIPS 13-cm and 25-cm ion thrusters... years to delta-qualify the XIPS discharge and neutralizer cathodes for... in the referenced papers. The XIPS discharge and neutralizer hollow cathodes... used in the construction. The XIPS heater has been fully qualified22... September 20 – 24, 2009 Figure 3. XIPS discharge (left) and neutralizer (right... an unlikely problem for the XIPS thrusters. Potential failure mechanisms related... insert is depleted27 in the XIPS discharge hollow cathode, assuming the... thruster. Keeper wear on both XIPS discharge and neutralizer cathodes was... depletion time calculated for the XIPS discharge small changes in the... is underway15. B. Ion Optics The XIPS grids and ion optics assembly... in the previous section. First, XIPS uses a three-grid geometry that... ion optics failure mechanisms, the XIPS grids are manufactured to produce... observed during development of the XIPS thrusters due to delamination of... the Extended Life Test28. The XIPS thrusters avoid grid shorting failure... manufactured to retain showing the XIPS 3rd grid effectiveness compared to... high reliability reported10 for the 25-cm XIPS thrusters on orbit illustrate... total throughput capabilities of the XIPS thruster at different power levels... are benchmarked (below) against the XIPS life tests results11, 21, which... operational history of the 25-cm XIPS thruster life test is shown... of -300 V during the 25-cm XIPS thruster life test. to -375... Figure 7. Initial conditions of the XIPS plasma density, neutral density, and... been directly measured on the XIPS engine, but the values selected... flatness parameter measured for the 25 cm XIPS thruster, the peak onaxis... V accel grid during the 25-cm XIPS thruster life test. bias. However... strike the diameter during the 25-cm XIPS thruster life test. accel... allowable value. Reducing the 25-cm XIPS thruster life test and the... predicting the throughput of the XIPS thruster under different operational scenarios... increases the throughput capability. 2. The XIPS discharge chamber produces a much flatter... beam profiles of XIPS and is made with a XIPS engine NSTAR at... the ion optics assembly on XIPS eliminates another potential failure mechanism... shown in Figure 14. The XIPS engine has higher predicted throughput... 14. Maximum engine throughput for XIPS and this EBS limited throughput... total engine life specification. The XIPS thruster provides greater margin, and... 15. Maximum engine throughput for XIPS and margin limit. Other trajectories..., 2009 throughput capabilities of the XIPS engine between 200 to 300... power operation. IV. Conclusion The XIPS 25-cm ion thruster is a viable..., Sept. 17-20, 2007. 2 J.R. Beattie, “XIPS Keeps Satellites on Track”, The..., T. A. Bond and A.M. King “Performance of XIPS Electric Propulsion in Station Keeping..., J.S. Snyder, “Performance Evaluation of the XIPS-25 cm Thruster for Application to... and J. Anderson, “Qualification of Commercial XIPS® Ion Thrusters for NASA Deep... R. E. Wirz, J. R. Anderson, D.M.Goebel and I. Katz, “XIPS Ion Thruster Grid Erosion Assessments... Hollow Cathode Wear in the XIPS Ion Propulsion System by Numerical... W. Tighe, “Ongoing Wear Test of a XIPS 25-cm Thruster Discharge Cathode” AIAA..., “A Long Duration Wear Test of a XIPS 25-cm Thruster Discharge Cathode” IEPC2009..., K-R.Chien and R. Spears, “The 25-cm XIPS© Life Test and Subsequent Physical... Evaluation and Life Test of XIPS Hollow Cathode Heater”, AIAA2005-4066...



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0.16/5
Keeper Wear Mechanisms in the XIPS© 25-cm Neutralizer Cathode Assembly IEPC... Abstract: The 25-cm Xenon Ion Propulsion System (XIPS©) thruster has been... NASA missions. The performance of a 25-cm neutralizer cathode has been.... A program to delta-qualify the XIPS® ion thruster16,17 for NASA... hour life test of the XIPS thruster that included a flight neutralizer... NASA missions. The performance of a 25-cm neutralizer cathode has been... the modified XIPS NCA will be discussed. I 1 II. 25-cm XIPS Ion Thruster The development18 and performance17,19,20 of the 25-cm XIPS thruster has been previously reported. The 25-cm... Figure 1. Photographs of the 25-cm XIPS thruster and Power Processing Unit..., 2009 California. Photographs of the 25-cm thruster and PPU are... satellites in orbit with four XIPS thrusters and two PPUs on... date). A comprehensive description of the XIPS thruster production and manufacturing process.... The performance of the 25-cm XIPS thruster is summarized16,20 in... raising and station keeping. The XIPS thruster normally operates in this... and 25 cm XIPS thrusters is summarized in Table 2. Table 1. 25-cm XIPS thruster... Raising Active grid diameter (cm) 25 25 Thruster Input Power (kW) 2.0 4.3 Average... and cycles16 of the XIPS 13-cm and 25-cm ion thrusters... 21,058 3,369 25 cm 4.2 kW 2,880 324 25 cm 2.0 kW 13... As indicated in Table 2, the 25-cm thruster was life-tested... cathode assembly used in the 25 cm life test is shown21... made of molybdenumrhenium material. The XIPS NCA is similar in design... by NSTAR. A photograph of a flight XIPS NCA is shown in Figure.... NCA Cathode Wear The 25-cm XIPS neutralizer cathode was observed at... the Figure 2. Schematic of the XIPS neutralizer cathode assembly showing the... significant erosion. Figure 3. Photograph of a XIPS NCA cathode mounted in the... test facility at JPL. Figure 4. XIPS NCA keeper photographs at the... keeper. This erosion of the XIPS NCA electrodes was not expected... NCA made when the Figure 5. XIPS NCA orifice plate at the.... IV. NCA Cathode Investigation A 25-cm XIPS NCA was provided to JPL.... The probes are described in XIPS NCA and the array of... oscillation level is less than 0.25 Vpp, and the plasma potential... erosion14. It appears that the XIPS neutralizer cathode is in the... the Low Power mode, the XIPS 25-cm NCA successfully met all... high frequency onset in the XIPS NCA in the low power.... This was tried with the XIPS neutralizer cathode while running in... plume mode operation in the XIPS NCA in the low power... eliminate plume mode in the XIPS NCA is that this cathode... orifice diameter. A copy of the XIPS NCA was manufactured with the... corrected for the thicksheath regime24,25 encountered at distances Figure 12... orifice wear observed in the XIPS 25-cm thruster life test is... molybdenum normally used in the XIPS NCA. The smaller orifice neutralizer..., 2009 VI. Conclusion The 25-cm XIPS ion thruster is a viable candidate... cathode wear observed in the 25-cm thruster life test and..., J.S. Snyder, “Performance Evaluation of the XIPS-25 cm Thruster for Application to... Evaluation of an Expanded Range XIPS Ion Thruster System for NASA..., T. A. Bond and A.M. King “Performance of XIPS Electric Propulsion in Station Keeping..., K-R.Chien and R. Spears, “The 25-cm XIPS© Life Test and Subsequent Physical... #100, University of Toronto, 1966. 25 C.Steinbrüchel, J. Electrochem. Soc. 130... and J. Anderson, “Qualification of Commercial XIPS® Ion Thrusters for NASA Deep... W. Tighe, “Ongoing Wear Test of a XIPS 25-cm Thruster Discharge Cathode” AIAA...,000 hour wear test of a XIPS 25-cm Thruster Discharge Cathode” IEPC... R. Wirz, J. Anderson, I. Katz and D.M. Goebel, “XIPS Ion Thruster Grid Erosion Predictions..., K.R. Chien, “Evaluaton of the 25-cm XIPS thruster life for deep space...



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0.18/5
... SNAP SNAPSHOT SPIBS ST4 USAF XIPS 1 Goddard Space Flight Center Hughes... engine systems.21,22,24,25 Thruster development tests included a lifetest... through a series of ground tests.25 SERT II The SERT II... in the case of the XIPS-25, a preflight development program that is...-clear circuits for the IAPS, XIPS, and NSTAR thrusters. One of... program included the development of 25 kW solar arrays, PPUs, thermal... to lack of funding. XIPS-25 (4.2 kW) A 25 cm diameter xenon engine system... HS 702 spacecraft use four XIPS-25 engines and two PPUs. Only... HS 702 spacecraft with the XIPS-25. The spacecraft has an end... thrust at 3800 s specific impulse. XIPS hardware is currently under extended... 12.2 m long vacuum facility. XIPS-25 (1.3 kW) This XIPS-25 program, conducted by Hughes... class communication satellites.51 The 25 cm diameter, 3-grid, xenon ion... XIPS-13 (0.44 kW) and XIPS-25 (4.2 kW) systems, instead of the 1.3 kW XIPS-25... Hughes' first customer for the XIPS-13 propulsion system on PAS... spacecraft are operational using the XIPS-13 system namely, Galaxy VIII... communications spacecraft employing the XIPS-13 and XIPS-25 propulsion systems. Additionally, the...," NASA TMX–1077, March 1965. 25. Worlock, R. M., et al., "The Cesium...—1999-209439 11 52. Beattie, J. R., "XIPS Keeps Satellites on Track," The.../7 02/702.html. 54. Anon., "XIPS: The Latest Thrust in Propulsion....hughespace.com/factsheets/xi ps/xips.html. 55. Kaufman, H. R., "An Ion... Name SEPST SIT-5 SEPS IAPS XIPS-25 XIPS-25 Sponsor NASA JPL NASA LeRC... 5 cm 30 cm 8 cm 25 cm 25 cm Type of neutralizer Hollow... 1988 -> 30-cm thruster (Xe) 25-cm thruster (Xe) (INTELSAT/Hughes... Station plasma contactor program 1997 -> XIPS-13 for comsat NSSK (Hughes... -> 1999 -> NASA/TM—1999-209439 XIPS-25 for comsat orbit insertion and... space S/C 18 >8000 h test of XIPS-13 (Hughes) 8193 h test of... thruster Extended testing of the XIPS-25 (Hughes) Extended groundtesting of the...) 1995 2000 Hughes PAS-5, 500 W XIPS (First of many S/C) 2005 Hughes 701 S/C 4.2 kW XIPS Space Technology 4, 3 NSTAR subsystem IPS... propulsion; Spacecraft propulsion; Plasma applications 25 16. PRICE CODE A03 17...



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0.09/5
... 1999-209439 SPIBS ST4 USAF XIPS 1 Readiness SEPS Breadboard Power Processing... through a series of ground tests. 25 11 The SERT II development... in the case of the XIPS-25, a preflight development program that is... program included the development of 25 kW solar arrays, PPUs. thermal...-clear circuits for the lAPS, XIPS, and NSTAR thrusters. NAS A/TM... restarts. 5_' There were _1.3 A 25 cm diameter xenon engine system... HS 702 spacecraft use four XIPS-25 engines and two PPUs. Only... launched the HS 702 the XIPS-25. The spacecraft has solar array... class communication satellites. 5_ The 25 cm diameter, 3-grid, xenon Electron... XIPS-13 (0.44 kW) and XIPS-25 (4.2 kW) systems, instead of the 1.3 kW XIPS-25... thrust at 3800 s specific impulse. XIPS hardware is currently under extended....2 m long vacuum facility. kW_ This XIPS-25 program, conducted by Hughes Research... 14,000 hours without malfunction. XIPS-25 XIPS-25 States Figure 1 shows a "roadmap" of... Hughes' first customer for the XIPS-13 propulsion system on PAS... spacecraft are operational using the XIPS-13 system namely, Galaxy VllI... communications spacecraft employing the XIPS-13 and XIPS-25 propulsion systems. Additionally, the.... 3. Journal No. "Surface May and 25. C. E., Engin- 1969, S. J., "Ion Engine AFAPL... Answers Customer Needs," New Anon.. "XIPS: Propulsion The Latest R. D., 62. Sovey....hughespace.com/factsheets/xi ps/xips.html. pp. 968-974. 55... Name SEPST SIT-5 SEPS lAPS XIPS-25 XIPS-25 Sponsor NASA JPL NASA LeRC... cm 5 cm 30 cm 8 25 cm 25 cm 1969 to 1972 Ongoing... H_ -> Xe chamber 30-cm 25-cm thruster thruster (Xe) (Xel... 1998 -> -> >8000 -> XIPS-25 for comsat orbit insertion and Extended XIPS-25 NSSK (Hu_hes... comsat NSSK (Hu_hcs) h test of XIPS-13 (Hu_hes) 8193 h test of the NSTAR thruster 1999 XIPS- testing of the (Hughes) Extended... S/C) applications 2005 t Hughes PAS-5, 500 W XIPS planetary Year) 2000 1995 and... TERMS 15. NUMBER OF PAGES 25 Propulsion; Electric propulsion; Spacecraft propulsion...



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0.17/5
...) ] 30-cm chamber thruster (Xe) 25-cm thruster (Xe) IINTELSAT/Hugbes...-cm thruster derated of | t h, X1PS-25 (Hat_bes 1988 h tests mercury t [Xe... program 1997 -> 1998 -> h test >8000 XIPS- 13 for comsat NSSK (Hu_hes... 30_-cm DSI, > 9200 h inspace XIPS-25 for comsat propulsion (Hughes) testing... to obtain Extended X1PS-25 661A Command NSTAR XIPS-25 for comsat orbit..., h SEPST SIT-5 SEPS lAPS X1PS-25 JPL JPL Hughes/TRW JPL... Hughes Hughes 1985-1988 Xenon 25 Hollow cathode 750 1.3 63 2,800... (lAPS), Xenon Ion Propulsion System (XIPS), and NASA Solar Electric Propulsion... program included the development of 25-kW solar arrays, PPUs, thermal... this test. XIPS-25 (1.3 Kilowatt) This Xenon Ion Propulsion System (XIPS-25) program developed... class communication satellites. 68 The 25-cm-diam, three-grid, xenon.... Instead of using the 1.3-kW XIPS-25 system, the Hughes Space and... development of XIPS- 13 (0.44 kW) for NSSK and the XIPS-25 (4.2 kW... industry and government. Communication Satellites XIPS- 13 As shown in Table... the first customer for the XIPS-13 propulsion system. The PAS... 2000, the 10th S/C using the XIPS-13 was launched on a Sea...,000 Elecla-on bombardment/xenon 4 25 1,200 4.5 maximum 165 3,800 > 8,000... ion engine mounted on a gimbal. XIPS-25 A 25-cm-diam xenon engine system... HS 702 spacecraft uses four XIPS-25 engines and two PPUs. Only... and momentum control functions. The XIPS-25s were launched aboard the... many communications S/C employing the XIPS-13 and XIPS-25 propulsion systems. Additionally, advanced...) 2OO0 1995 20O5 ar[0 I I 500 W XIPS Hughes (First of PAS-5, many... 97-2778, July 1997. 3Beattie, J. R., "XIPS Keeps Satellites on Track," The... Source," NASA TN D-585, 1961. 5"XIPS: The Latest Thrust in Propulsion...:http://www. hsc.com/factshccts/xips/xips.html, Aug. 1997. 6"Ion Propulsion...



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0.35/5
...-cm Xenon Ion Propulsion System (XIPS) [3,4], which was launched into orbit... the Hughes PAS-5 satellite. The XIPS system utilizes two fully redundant... Chapter 9 for the 13-cm XIPS thruster are shown in Table...%. A schematic of the 13-cm XIPS thruster is shown in Fig... active grid Table 9-1. 13-cm XIPS performance. Parameter Station Keeping Active.... 9-1. Schematic of the 13-cm XIPS thruster (from [4,10]). Flight Ion.... 9-2. Photograph of the 13-cm XIPS ion thruster (photo courtesy of... a commercial communications satellite. The 25-cm XIPS thruster was first launched in... 702 satellite. Although the 25-cm XIPS ion thruster was developed [9] at... the 13-cm XIPS shown in Fig. 9-1, the 25-cm thruster entered... device. A photograph of the 25-cm XIPS thruster, which is also manufactured... satellites with a total of 56 XIPS thrusters have been successfully launched.... The initial operation of the 25-cm thrusters in space on....). Fig. 9-4. Photograph of the 25-cm XIPS ion thruster (photo courtesy of... Inc. have demonstrated that the XIPS engine and PPU can be... the T5 Kaufman Table 9-3. 25-cm XIPS performance parameters. Low-Power Station... Raising Active grid diameter (cm) 25 25 Thruster input power (kW) 2 4.3 3420...) led the development of the 25-kW Nuclear Electric Xenon Ion thruster System (NEXIS) [25], which produced the highest efficiency..., July 16–19, 2000. [3] J. R. Beattie, “XIPS Keeps Satellites on Track,” The..., T. A. Bond, and A. M. King, “Performance of XIPS Electric Propulsion in Station Keeping... J. S. Snyder, “Performance Evaluation of the XIPS 25-cm Thruster for Application to..., Indianapolis, Indiana, July 7–10, 2002. [25] J. E. Polk, D. M. Goebel, I. Katz, J. Snyder, A. Schneider...



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0.21/5
... high value targets is 20 – 25° (telescope slew angle), which translates... Institute of Aeronautics and Astronautics XIPS: XIPS is a gridded ion thruster system... commercial geosynchronous satellite applications.7 The XIPS system is used for orbit.... XIPS has been flown in two varieties, a 13 cm and 25 cm beam diameter thrusters. The XIPS-13 was used on Boeing 601 bus satellites, the XIPS-25 on Boeing 702 bus satellites. The 25 cm version was considered in this analysis. While the XIPS system... space mission environments.8 Qualification of XIPS-25 for NASA deep space missions... readiness and qualification status of XIPS-25 for this mission would need... System Characteristics NEXT12,13 NSTAR14 XIPS-259 BPT-400010,15 Thrust... was accomplished, or for the XIPS-25 case, to achieve similar extended... the specific impulse of the XIPS-25 provides efficient xenon use and... system configuration complexity significantly. The XIPS-25 solution was modified to allow... mass growth of less than 25 kg. 3. Power Processing Unit Efficiency....5% at a PPU baseplate temperature of 25° C, and 94.1 at 50° C for... described in section I.3 is 14.25 days. Of this time, approximately..., T. A. Bond and A.M. King “Performance of XIPS Electric Propulsion in Station Keeping..., D.M., et al., “Qualification of Commercial XIPS Ion Thrusters for NASA Deep...



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0.12/5
... high value targets is 20 – 25° (telescope slew angle), which translates... NSTAR system is at TRL9. XIPS: XIPS is a gridded ion thruster system... geosynchronous satellite applications.[Ref. 3] The XIPS system is used for orbit.... XIPS has been flown in two varieties, a 13 cm and 25 cm beam diameter thrusters. The XIPS-13 was used on Hughes (Boeing) 601 bus satellites, the XIPS-25 on Hughes (Boeing) 702 bus satellites. The 25 cm version was considered in this analysis. While the XIPS system... space missions.[Ref. 4] Qualification of XIPS-25 for NASA deep space missions... readiness and qualification status of XIPS-25 for this mission would need... Propulsion System Characteristics NEXT NSTAR XIPS-25 BPT-4000 Thrust, mN 236... was accomplished, or for the XIPS-25 case, to achieve similar extended... the specific impulse of the XIPS-25 provides efficient xenon use and... system configuration complexity significantly. The XIPS-25 solution was modified to allow... mass growth of less than 25 kg. I.7.3 PPU Efficiency PPU efficiency....5% at a PPU baseplate temperature of 25° C, and 94.1 at 50° C for... described in section I.3 is 14.25 days. Of this time, approximately... PPU baseplate temperature controlled at 25 and 50° C was successfully completed... to system configuration. [Refs. 21-25] The scope of the single..., T. A. Bond and A.M. King “Performance of XIPS Electric Propulsion in Station Keeping..., D.M., et al., “Qualification of Commercial XIPS Ion Thrusters for NASA Deep...," AIAA-2006-5183, July 2006. 25. Foster, J.E., Pencil, E., McEwen, H., Patterson, M.J., Diaz...