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Technical Brief

Adaptive Thermal Management Technique To Improve The Efficiency Of SSPA For Geosynchronous Satellite

[+] Author and Article Information
Ramesh Doshi

Space Applications Centre, ISRO, Ahmedabad, India
rameshdoshi@sac.isro.gov.in

Deepak Ghodgaonkar

Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, India
deepak_ghodgaonkar@daiict.ac.in

1Corresponding author.

ASME doi:10.1115/1.4038425 History: Received August 20, 2017; Revised September 07, 2017

Abstract

This paper presents a novel adaptive thermal management technique to improve the efficiency of Solid State Power Amplifier (SSPA) for Geo Synchronous Satellites. The thermal management for space segment is very important as it determines the reliability of the satellite. The Microwave Power Amplifiers (MPAs), either Travelling Wave Tube Amplifiers (TWTAs) or SSPAs, are the maximum power consuming and heat dissipative elements in the satellite and their power efficiency determines weight, volume, cost and reliability of the satellite. So it is necessary to improve the efficiency of SSPA. A novel technique is presented which improves the efficiency of the SSPA and hence, saving of costly DC power generation on-board and reduction of the heat dissipation.

Copyright (c) 2017 by ASME
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