• The process of adjusting, managing, or otherwise controlling something.
  • In a control system, the maintaining of one or more output quantities within specified parameters.
  • The process of maintaining a voltage, current, amplitude, power level, or the like, within specified values.
  • For a transformer, power supply, or generator, the maximum difference in voltage between no-load and full load conditions, operational temperature extremes, line voltage fluctuations, or the like. Also, the change in output voltage for a given variation in a parameter such as load current.

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