SETTINGS
Make the following changes in the EnerVista software or the front panel
UNDERFREQUENCY UNDERFREQUENCY 1(2)
menus.
1(2)
8.2.14 Accidental energization
In this example, the
set at half the minimum expected fault current, and in this case 1.0 pu (8000 A primary) is selected. In cases where it is
possible to re-energize the machine through its auxiliary transformer, a lower setting can be required. The undervoltage
pickup setting must be set above the maximum expected fault voltage; 0.700 pu is used here.
Make the following changes in the EnerVista software or the front panel
GROUP 1 ACCIDENTAL ENERGIZATION
8
8.2.15 FlexLogic
The following logic as given as an example. The logic for each specific application depends on system design, protection
philosophies, and operating practices.
8-14
and
SETTINGS CONTROL ELEMENTS OVERFREQUENCY OVERFREQUENCY
is selected as "UV and Offline." The
ACCDNT ENRG ARMING MODE
menu.
CHAPTER 8: APPLICATION OF SETTINGS
SETTINGS CONTROL ELEMENTS
ACCDNT ENRG OC PICKUP
SETTING S GROUPED ELEMENTS SETTING
G60 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
setting is to be