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PMAD SUBSYSTEM [1 record]

Record 1 2002-04-02

English

Subject field(s)
  • Orbital Stations
CONT

The power management and distribution subsystem distributes the power at 160 volts DC around the station through a series of continuous duty, DC [Direct Current] contactor switchgear. The switchgear has built-in microprocessors, controlled by Ada software and connected to a data bus running throughout the station. DC-DC converter units stepdown and condition the voltage from 160 to 120 volts DC to form a secondary power system to service the loads through solid-state switchgear. The converters also provide isolation of the secondary from the primary system and maintain uniform power quality throughout the station.

CONT

The EPS [Electric Power System] consists of power generation and energy storage subsystems that feed power into the Power Management and Distribution (PMAD) subsystem.

OBS

power management and distribution subsystem: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Stations orbitales
OBS

sous-système de gestion et de distribution de l'alimentation : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

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