RECLOSER CONTROL EVRC2A-N6,NT
http://www.entecene.co.kr
170
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HANCED
TEC
HNOLOGY
7.14. Undervoltage (27)
Two undervoltage elements are provided for trip, alarm and control when the voltage drops
below a specified voltage for a specified time.
The undervoltage element can be ON or OFF in the Primary, Alternate settings. The
undervoltage element can be selected the type of operation required with any one phase, any two
phase and three phase.
The undervoltage element can be used to supervise that torque control other overcurrent
protective elements.
When the circuit breaker is closed by a local/remote controls, the undervoltage element is
disabled from detecting for the cold load pickup during periods. To increase security, all
undervoltage elements add two power frequency cycle of intentional delay to prevent incorrect
operation.
Undervoltage 1 Setup
The undervoltage 1 should be enabled to the following settings.
PRIMARY SETTING / PROTECTION / VOLTAGE / UNDER VOLTAGE 1 / Function
Range
OFF, TRIP, TR&AR
Default
OFF
Step
~
If function = OFF,
the feature is not operational.
If function = Trip,
the feature is operational.
If function = Trip & AR,
the feature is operational. When the feature
asserts a TRIP & AR condition, it trips and alarms.
PRIMARY SETTING / PROTECTION / VOLTAGE / UNDER VOLTAGE 1 / Relays(0-8)
Range
OFF, 0 ~ 8
Default
OFF
Step
1
Selects the relays required to operate when the feature generates a Trip.
[UNDER VOLTAGE 1]
Function: OFF
>Relays(0-8): OFF
Pickup(xVT): 0.70
[UNDER VOLTAGE 1]
>Function: OFF
Relays(0-8): OFF
Pickup(xVT): 0.70
Summary of Contents for EVRC2A-N6-NT
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