Space: Science & Technology / 2021 / Article / Tab 2

Research Article

A Hybrid Power System for a Permanent Colony on Mars

Table 2

AC vs. DC coupling comparison.

DCAC
AdvantagesDisadvantagesAdvantagesDisadvantages

Simpler to control small networksLow efficiency for large loadsDirectly couple large unitsMost small loads operate in DC

Directly couple PVs and storageHeavier machines for same
power/torque ratings than AC
High efficiency for large loadsComplex control in small systems

ModularityLighter machines for same
power/torque ratings than AC