
Multi-Function Control ETMFC610
http://www.entecene.co.kr
283
EN
HANCED
TEC
HNOLOGY
8.5.3.3. Frequency Decay (81D)
When frequency fluctuates due to unbalance between load and active power in power system,
ETMFC610 offers frequency decay element in order to detect unstable condition in the power
system.
Frequency decay should be enabled as follows;
GROUP # / MONITORING / FREQUENCY /FREQUENCY DECAY / Function
Range
DISABLE, ENABLE
Default
DISABLE
DISABLE
~
Set the function of over frequency decay element as enable or disable.
If function = DISABLE,
the feature is not operational.
If function = ENABLE,
the feature is operational. When the feature
asserts an alarm condition, the device gives the alarm.
GROUP # / MONITORING / FREQUENCY /FREQUENCY DECAY / Pickup(Hz/sec)
Range
0.01~5.00 Hz/sec
Default
1.00
Step
0.01Hz/sec
Enter the level of which the frequency decay element is to pickup.
[FREQUENCY DECAY]
>Function: DISABLE
Pickup(Hz/sec):1.00
Time Delay: 2.00
Reset Time: 2.00
Min.Freq: 45.00
[DISABLE/ENABLE]
[FREQUENCY DECAY]
Function: DISABLE
>Pickup(Hz/sec):1.00
Time Delay: 2.00
Reset Time: 2.00
Min.Freq: 45.00
[0.01~5.00:0.01Hz]
Содержание ETMFC610
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