
Multi-Function Control ETMFC610
http://www.entecene.co.kr
213
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HANCED
TEC
HNOLOGY
Following settings are used to program the ‘INST OC –SEF’ element.
1) (+)INST OC-SEF Setup
GROUP # / PROTECTION / INST OC – SEF / (+)INST OC – SEF / Function
Range
DISABLE, TRIP, ALARM, TR&AL
Default
DISABLE
Step
~
Set the function of
(+) Sensitive earth fault
element as enable or
disable when the power flow is in forward direction.
If function = DISABLE,
the feature is not operational.
If function = Trip(TR),
the feature is operational. When the feature
asserts a trip condition, the device trips.
If function = Alarm(AL),
the feature is operational. When the feature
asserts an alarm condition, the device gives the alarm.
If function = Trip&Alarm(TR&AL),
the feature is operational. When
the feature asserts a trip and alarm condition, the device trips and gives
the alarm..
GROUP # / PROTECTION / INST OC – SEF / (+)INST OC – SEF / Pickup
Range
0.1~160.0 A
Default
10.0
Step
1A
Set the pickup current of
(+) Sensitive earth fault
element.
This value is the minimum operating current of
(+) Sensitive earth
fault
element.
GROUP # / PROTECTION / INST OC – SEF / (+)INST OC – SEF / Time Delay
Range
0.00~600.00 sec
Default
5.00
Step
0.01 sec
Set Time Delay for
(+) Sensitive earth fault
trip. If it is set for 0, trips
immediately
(+) Sensitive earth fault
without delay.
2) (-) INST OC – SEF Setup
(-) INST OC- SEF settings are very similar to the (+)INST OC- SEF settings.
[(+)INST OC-SEF]
>Function: DISABLE
Pickup: 10.0
>
Time Delay: 5.00
[DIS/TR/TR&AL/AL]
[(+)INST OC-SEF]
Function: DISABLE
>Pickup: 10.0
Time Delay: 5.00
[0.1~160.0:1A]
[(+)INST OC-SEF]
Function: DISABLE
Pickup: 10.0
>Time Delay: 5.00
[0.00~600.00:0.01s]