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The synchronous generator connected to an infinite bus. If its excitation is increased it

  • The synchronous generator connected to an infinite bus. If its excitation is increased it supply reactive power.
  • When a synchronous generator is connected to an infinite bus, it operates at a constant frequency and voltage, determined by the grid.
  • The generator can supply both active power (measured in watts) and reactive power (measured in volt-amperes reactive, or VARs) to the grid.
  • If the excitation of the synchronous generator is increased, its output voltage will increase, allowing it to supply more reactive power to the grid.
  • This is because reactive power is generated by the magnetic field produced by the generator's rotor, and the strength of this field is directly proportional to the generator's excitation.