A collection and transmission system (10) includes: a system direct current (DC) link (12) configured for carrying power from a source (13) to a grid (16); and alternating current (AC) to DC power converter modules (19, 119, 219, 319) coupled in series to the system DC link on a source side of the system DC link, each power converter module configured for being coupled to one or more sources (114, 214, 314, 414) on the source side, wherein each power converter module is configured to short circuit the DC terminals of the power converter module upon receipt of a respective command signal.
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