1 single-point overcurrent settings – GE Industrial Solutions Entellisys 5.0 User Manual User Manual
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Administration
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8
8.2.1 Single-point Overcurrent Settings
Breakers must have ST, IOC or Switchable ST/IOC for single-point RELT to function. RELT
(Topology 0) settings should be reviewed to provide an acceptable level of increased protection
while the system is in Reduced Energy Let - thru mode. See
Section 5: Single-point functions
The minimum settings for overcurrent relays for Topology 0 are:
Setting
Value
IOC Enabled
Enabled
IOC Pickup Setting Multiplier
1.5
ST Protection Switch
Enabled
ST Pickup Setting
1.5
ST I2T Curve
Enabled
ST Delay Band Setting
0
LT Delay Band Setting
0
GF Protection Switch
Enabled
GF Trip Priority
0
GF Alarm Enable
Enabled
GF Trip/Alarm Pickup Setting
0.2
GF Trip/Alarm I2T Curve
Enabled
GF Trip/Alarm Delay Band Setting
0
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