NASA Technical Reports Server (NTRS) : Liquid pdf

NASA Technical Reports Server (NTRS) : Liquid_bookcover

NASA Technical Reports Server (NTRS) : Liquid

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The actuators for control of engine valves and gimbals for a booster require 165 kW or more peak power at 270 volts direct current (VDC) during the 2 or 3 minutes of first stage ascent; other booster devices require much less power at 28 VDC. It is desired that a booster supply its own electrical power and satisfy redundancy requirements of the Solid Rocket Booster Shuttle, when applicable. The power of a Liquid Rocket Booster is therefore provided by two subsystems: Actuator Battery Power (270 VDC) Subsystem for the engine actuators, and Electrical Power and Distribution (28 VDC) Subsystem, to power everything else. Boosters will receive no electrical power from Orbiter, only commands and data, according to current plans. It was concluded that nine 30 volt silver-zinc batteries-in-series be used to provide the 270 volt, 37 kW average (165 kW peak

  • Creator/s: NASA Technical Reports Server (NTRS
  • Date: 3/1/1989
  • Year: 1989
  • Book Topics/Themes: NASA Technical Reports Server (NTRS), ACTUATORS, DIRECT CURRENT, SILVER ZINC BATTERIES, SOLID PROPELLANT ROCKET ENGINES, SPACE SHUTTLE BOOSTERS, SPACE TRANSPORTATION SYSTEM, SPACECRAFT POWER SUPPLIES, ASCENT, ELECTRIC POTENTIAL, GIMBALS, REDUNDANCY, VALVES

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