Mains - Deif SGC 120 User Manual

Single genset controller
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3.5.7

Mains

Configuration (MAINS CONFIG)
Parameter
Mains Monitoring
(MAINS MONITORING)
Mains AC System
(MAINS AC SYSTEM)
Phase Reversal
Detection
(PHASE REVERSAL
DETECT)
Phase Reversal Action
(PHASE REVERSAL
ACTION)
Partial Healthy
Detection
(MAINS PARTIAL
HEALTHY)
Mains PT Enable
(MAINS PT)
Mains PT Primary
(MAINS PT PRIMARY)
Mains PT Secondary
(MAINS PT SECOND)
Voltage Monitoring (VOLT MONITOR)
Parameter
Under-voltage
(UV ENABLE)
(UV) Trip
(UV TRIP)
(UV) Return
(UV RETURN)
Over-voltage
(OV ENABLE)
(OV) Return
(OV RETURN)
(OV) Trip
(OV TRIP)
(OV) Delay (OV
DELAY)
User manual 4189341340A EN
Range
Enable
Disable
1 phase
3 phase
Enable
Disable
None
Notification
Enable
Disable
Enable
Disable
100 to 25000
100 to 700
Range
Enable
Disable
50 to 298 V phase-
neutral
52 to 300 V phase-
neutral
Enable
Disable
100 to 348 V phase-
neutral
102 to 350 V phase-
neutral
0 to 100 s
Default
Enabled
3-phase
Not enabled
None
Not enabled
Not enabled
100
100
Default
Yes
55 V
57 V
Yes
280 V
270 V
10 s
Description
If this parameter is enabled, the controller
monitors the mains voltage and frequency.
Select the phase system for the mains.
If this parameter is enabled, a phase reversal is
detected if the phase sequence is not L1-L2-L3.
Configure the action for phase reversal
detection.
If this parameter is enabled, a mains failure is
not detected if one or two of the phases fail.
This is only for a 3-phase system.
Enable this parameter, if the application
includes a mains power transformer (PT).
Configure the PT primary value.
Configure the PT secondary value.
Description
If this parameter is enabled, the controller
detects a mains failure when the mains voltage
is less than the under-voltage set point (UV
trip).
If the mains voltage is less than this set point,
there is a mains failure.
The mains returns when the mains voltage is
more than this set point.
If this parameter is enabled, the controller
detects a mains failure when the mains voltage
is more than the over-voltage set point (OV
trip).
If the mains voltage is more than this set point,
there is a mains failure.
The mains returns when the mains voltage is
less than this set point.
If the voltage is more than the over-voltage set
point when this timer expires, the action for
over-voltage is activated.
Page 32 of 76

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