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A Study on Adaptive Operation Control to Stabilize bus Voltage of GEO Satellite Power Supply Module
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 Title & Authors
A Study on Adaptive Operation Control to Stabilize bus Voltage of GEO Satellite Power Supply Module
Ahn, Tae-Young; Choe, Hyun-Su;
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 Abstract
In this paper, results of produced PCU(Power Control Unit) prototype was showed by suggesting and maintaining optimal operation status which let the three functional modules automatically operate with its necessity by prioritizing operation process. In order to validate effectiveness of the suggested method, we produced a test PCU and examined the results. PCU consists of S3R(Sequential Switching Shunt Regulator), BCR(Battery Charge Regulator), and BDR(Battery Discharge Regulator): converting photovoltaic power into constant voltage at linked bus voltage; storing dump power in the battery which is an auxiliary energy storage device; and supplying power charged in battery to the load. To maintain its high reliability and optimal condition of these three power conversion modules, each module operates in parallel and stable bus voltage is required to be retained at all-time due to the nature of power supply for satellite.
 Keywords
PCU(Power Control Unit);BCR(Battery Charge Regulator);BDR(Battery Discharge Regulator);S3R(Sequential Switching Shunt Regulator);GEO(geosynchronous earth orbit) satellite;
 Language
Korean
 Cited by
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