Reverse Power - GE G60 Instruction Manual

SETTINGS

8.2.7 Reverse power

Set the reverse power element at ½ the rated motoring power. The pickup is calculated as follows:
For the example system:
To prevent maloperation for power swings the element is typically time delayed by 20 to 30 seconds. For sequential
tripping applications, the time delay is 2 to 3 seconds. The element can be blocked when the generator is offline. The line
source is used for this application.
Make the following changes in the EnerVista software or the front panel
GROUP 1  SENSITIVE DIRECTIONAL POWER  DIRECTIONAL POWER 1
8
Sequential tripping logic can be implemented in FlexLogic as follows.
8-6
CHAPTER 8: APPLICATION OF SETTINGS
SETTINGS  GROUPED ELEMENTS  SETTING
menu.
G60 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
Eq. 8-15
Eq. 8-16