HGM8151 Genset Parallel Controller User Manual Page 21 of 66
No.
Type
Description
9
Mains Over Freq
When the controller detects that the mains frequency has exceeded the
pre-set value, it will initiate a trip and stop alarm.
10 Mains Under Freq
When the controller detects that the mains frequency has fallen below
the pre-set value, it will initiate a trip and stop alarm.
11 Mains Over Voltage
When the controller detects that the mains voltage has exceeded the
pre-set value, it will initiate a trip and stop alarm.
12 Mains Under Voltage
When the controller detects that the mains voltage has fallen below the
pre-set value, it will initiate a trip and stop alarm.
13 Mains ROCOF
When the controller detects that the ROCOF (rate of change of
frequency) has exceeded the pre-set value, it will initiate a trip and stop
alarm.
14 Mains Vector Shift
When the controller detects that vector shift value has exceeded the
pre-set value, it will initiate a trip and stop alarm.
5.4
TRIP ALARM
On initiation of the trip condition the controller will de-energize the
‘
Close Generator
’
Output without
stop the generator.
Table 10 Trip Alarm
No
Type
Description
1
Gen Over Current
When the controller detects that the genset current has exceeded the
pre-set value and the action
select “Trip”, it will initiate a trip
alarm.
2
Reverse Power
If reverse power detection is enabled, when the controller detects that
the reverse power value (power is negative) has exceeded the pre-set
value and the action select
“Trip”, it will initiat
e a trip alarm.
3
Over Power
If over power detection is enabled, when the controller detects that the
over power value (power is positive) has exceeded the pre-set value
and the action select
“Trip”, it will initiate a trip alarm.
4
Digital Input
When digit input port is set as
“Trip”
and the alarm is active, it will
initiate a trip alarm.
5
Earth Fault
If earth fault detection is enabled, when the controller detects that the
earth fault current has exceeded the pre-set value and the action select
“Trip”, it will initiate a trip alarm.
6
Imbalance Current
If imbalance current detection is enabled, when the controller detects
the imbalance current has exceeded the pre-set value and the action
select “Trip”, it will initiate a trip
alarm.
7
Loss of Excitation
If loss of excitation fault detection is enabled, when the controller
detects that the genset negative reactive power has exceeded the
pre-set value, it will initiate a trip alarm.
