GE Multilin G650 Manual page 186

5 SETTINGS
5.4.3.2 PHASE INSTANTANEOUS OVERCURRENT ELEMENT- PHASE HIGH (50PH)
The Phase instantaneous overcurrent element has a setting range from 0.05 A to 160 A. It can be set as instantaneous or
timed, with the timer selectable between 0.00 and 900 seconds. The input quantities may be chosen as Fundamental
phasor magnitude or RMS magnitude as required by the application. The element incorporates a reset time selectable
between 0 and 900 seconds.
This element also incorporates a block input for disabling the pickup and trip signals. The logic outputs for the element are
the pickup and trip flags, independent for each phase, and general pickup and trip flags.
Table 5–40: PHASE INSTANTANEOUS OVERCURRENT ELEMENT SETTINGS
SETPOINT > PROTECTION ELEMENTS > PHASE CURRENT >
> PHASE IOC HIGH > PHASE IOC HIGH 1> PHASE IOC HIGH 2 > PHASE IOC HIGH 3
SETTING DESCRIPTION
Function permission
Input type
Pickup level
Trip time
Reset time
Snapshot event generation
The snapshot event setting enables or disables the snapshot event generation for these elements.
GEK-113285A
NAME DEFAULT VALUE STEP
Function DISABLED
Input PHASOR(DFT)
Pickup Level 30.00
Trip Delay 0.00
Reset Delay 0.00
Snapshot Events ENABLED
G650 Generator Protection & Control System
5.4 PROTECTION ELEMENTS
RANGE
N/A [DISABLED – ENABLED]
N/A [PHASOR – RMS]
0.01 A [0.05 : 160.00]
0.01 s [0.00 : 900.00]
0.01 s [0.00 : 900.00]
N/A [DISABLED – ENABLED]
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