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Electrical power distribution on space based radar satellites

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2 Author(s)
Moody, M.H. ; Canadian Astronaut. Ltd., Ottawa, Ont., Canada ; Maskell, C.A.

The radar payload on a space-based radar (SBR) satellite could require tens of kilowatts of power distributed to many small loads over a large area. This poses special problems for the power distribution and control system (PDCS). A study that examined the power requirements of an SBR spacecraft is reported. A baseline prime power system, generating about 30 kW, was derived. The proposed distribution network would transmit 240 V at 20 kHz. The voltage would be downconverted in one converter for about 100 transmit/receive modules. The design considerations are discussed, and the baseline PDCS is described.<>

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:4 ,  Issue: 11 )