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Automotive glossary: What is an Alternator Regulator or Regulator?

Definition of Alternator Regulator: To avoid over or under voltages, the generator has to be aided by a regulator, that stabilizes the output voltage on a level that fits for charging the battery and operating the electric consumers. With alternating current producing alternators, the regulator is usually integrated in one unit with the rectifier circuit, that transforms the alternating current into the needed direct voltage.

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