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<p>To acquire medium-power Hall thruster technology and enable future missions, a 6-kW-class Hall thruster subsystem, consisting of a thruster unit and a power processing &amp; control unit, is under development at Japan Aerospace Exploration Agency (JAXA). Onboard the all-electric propulsion satellite Engineering Test Satellite-9 (ETS-9), a limited flight experiment of a Japanese Hall thruster subsystem will be conducted alongside flight-proven Hall thrusters. The subsystem will demonstrate thruster operation at 6 kW for more than 4000 hours, followed by lower-power cyclic operations at 4 kW. To prepare the flight experiment, prototype model thrusters and an engineering model power processing &amp; control unit were devoted to qualification tests on the ground. These tests confirmed mechanical and electrical compatibility with ETS-9 and characterized radiated emissions. An integrated operation using an engineering model (EM) thruster and an EM power processing unit demonstrated software-controlled automatic operations in nominal and off-nominal conditions.</p>

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Characterization of a 6-kW-class Hall-thruster subsystem: basic performance and transient behaviors

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年2月10日

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  • Ikkoh Funaki,
  • Daiki Koda,
  • Shunichiro Ide,
  • Yasuyoshi Hisamoto,
  • Yuta Nakajima,
  • Hiroaki Kusawake,
  • Tadahiko Sano,
  • Tsutomu Fukatsu,
  • Mineko Minami,
  • Akira Ogawa,
  • Shinatora Cho,
  • Hiroki Watanabe,
  • Yoshiki Matsunaga,
  • Yasushi Ohkawa,
  • Shun Imai,
  • Yoshitaka Tani,
  • Yosuke Tashiro,
  • Yasushi Odawara

摘要

To acquire medium-power Hall thruster technology and enable future missions, a 6-kW-class Hall thruster subsystem, consisting of a thruster unit and a power processing & control unit, is under development at Japan Aerospace Exploration Agency (JAXA). Onboard the all-electric propulsion satellite Engineering Test Satellite-9 (ETS-9), a limited flight experiment of a Japanese Hall thruster subsystem will be conducted alongside flight-proven Hall thrusters. The subsystem will demonstrate thruster operation at 6 kW for more than 4000 hours, followed by lower-power cyclic operations at 4 kW. To prepare the flight experiment, prototype model thrusters and an engineering model power processing & control unit were devoted to qualification tests on the ground. These tests confirmed mechanical and electrical compatibility with ETS-9 and characterized radiated emissions. An integrated operation using an engineering model (EM) thruster and an EM power processing unit demonstrated software-controlled automatic operations in nominal and off-nominal conditions.