ABB TCC300, User Manual, Page: 620 / 716

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10.2.2.2 Common Settings
LDC Selection
RX
Selects Line Drop Compensation Resistance/Reactance or Z.
Timer Characteristic
DEFINITE
Sets control timer for Definite or Inverse time. There are four setpoints associated with
this selection: Time Delay F/R, and Inverse Time F/R.
Timer Reset
INTEGRATING
Toggles between integrating timer and instantaneous reset (INST_RESET) timer upon
voltage return to in-band condition.
Rev Power Operation
BLOCK
Toggles between eight modes of operation:
• BLOCK – to inhibit automatic tapchange operation (Factory Setting)
• REGULATE REVERSE/ REG. R MEASURED SRC – to detect a reverse power
condition and regulate according to reverse power settings
• RETURN TO NEUTRAL – to drive the tap position to Neutral
• IGNORE – continue unit action as though Forward Power Flow continued to exist
• DG Mode (Distributed Generation) – when distribution systems have the possibility
of power reversal to control voltage
• Auto Determine/Auto Determine M – to allow the control to intelligently choose
which reverse power mode applies at the time reverse power is sensed, either
Distributed Generation mode or Regulate In Reverse/Regulate in Reverse Measured
Power Direction Bias
NONE
Section 10
1VAC388793-MB A
Appendix A HMI
614 TCC300
User Manual