The Effectiveness of Power Distribution Systems for Deployment on the Lunar Surface

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The Effectiveness of Power Distribution Systems for Deployment on the Lunar Surface

Bradford Robertson / Jeffrey McNabb / Matthew Rines / Dimitri N Mavris / Douglas Stanley / Mool C Gupta / Charles Taylor

Abstract

Lunar habitation missions are currently being planned to have astronauts return to the moon by the mid 2020’s with a sustained lunar presence by the end of the decade. The various landed modules needed to support the missions are expected to be distributed around Shackleton Crater at distances ranging from 1 to 15 km and with power needs ranging from 10 kW to 50kW. Current plans call for a solar array to be installed on the rim of the crater that receives near-constant sunlight year around with a power distribution system that transfers power from the source to consumers. This paper details several power distribution systems: DC transmission lines, radio frequency power beaming, and optical power beaming. Sizing algorithms for each of these distributions systems along with their necessary subsystems were developed from literature and subject matter expertise input. Several experiments were then conducted to determine the performance of the systems along with their sensitivities to changes in assumptions for various sub-components. The defined Figures of Merit enable mission designers to select the best power distribution system for each possible power consumer mission scenario. The experimental results were analyzed and compiled into a set of figures that highlight the conditions for which a certain system outperforms the other.

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Document information

Title :

The Effectiveness of Power Distribution Systems for Deployment on the Lunar Surface

Contributors:

Bradford Robertson (author) / Jeffrey McNabb (author) / Matthew Rines (author) / Dimitri N Mavris (author) / Douglas Stanley (author) / Mool C Gupta (author) / Charles Taylor (author)

Conference:

AIAA ASCEND 2021 ; 2021 ; Las Vegas, NV, US

Type of media :

Conference paper

Type of material :

No indication

Language :

English

Keywords :

Energy Production And Conversion