Power Efficiency

Power efficiency is the measure of how effectively electrical power is converted into useful work output. In the context of space and astronautical engineering, power efficiency is a critical factor in the design and operation of spacecraft and other space systems. This is because power is a limited resource in space, and the efficiency of power usage directly impacts the performance and longevity of space systems. Power efficiency can be improved through the use of advanced power management systems, such as solar panels, batteries, and fuel cells, as well as through the optimization of power usage by spacecraft subsystems and instruments.
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