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Why During Start up AVR control is in manual and stays upto 85% speed then excitation breaker opens and again around 95% speed the excitation breaker(41DC) closes and control changes to Auto?
Why can't the excitation control is in Auto right from the start up??
If suppose during start up the control is in manual why the breaker opens at 85% speed and closing again at 95%speed??
When the excitation during start up is in manual control how it is under control(because we never adjusted the voltage during start up manually)??
Why can't the excitation control is in Auto right from the start up??
If suppose during start up the control is in manual why the breaker opens at 85% speed and closing again at 95%speed??
When the excitation during start up is in manual control how it is under control(because we never adjusted the voltage during start up manually)??