Setup Procedure
057-295 ISSUE: 1
Page 28 of 60
The AVR’s response to these
Voltage Set Point Step
changes indicate how well the current stability
settings handle load changes, and what further adjustments may be required. Example oscilloscope
traces of the AVR’s ‘transient response’ to
Voltage Set Point Step
changes are shown below:
PID Adjustment
Overshoot
Settling Time
Steady State Error
Increase Gain (P)
Increases
Minimal Effect
Decreases
Increase Stability (I)
Increases
Increases
Eliminates
Increase Derivative (D)
Decrease
Decreases
No Effect
The below image illustrates the Commissioning Screen from a correctly configured AVR during
Voltage Set Point Step
testing:
Settling Time
Steady State
Error
Set Point
Change
Overshoot
Time
Voltage
New Set
Point
