Entec ETMFC610 - Page 223

Multi-Function Control ETMFC610 http://www.entecene.co.kr
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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]