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Is an Alternator AC or DC?

Published in Electrical Systems 1 min read

An alternator produces alternating current (AC) electricity.

Alternator Output: AC Power

The primary function of an alternator, as found in vehicles, is to generate electrical power. According to available information, alternators output alternating current (AC) electricity. Car batteries, on the other hand, operate on direct current (DC) electricity. Therefore, the AC output of the alternator is converted to DC to charge the battery.

  • Alternators generate AC.
  • Car batteries use DC.
  • A conversion process changes the AC to DC for battery charging.

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