Engine/Generator Unloading Mismatch - Woodward easYgen-2000 Series User Manual

ID Parameter
2932 Self acknowl‐
edge
4.4.3.6

Engine/Generator Unloading Mismatch

General notes
ID Parameter
3125 Unload limit
3123 Delay
3121 Alarm class
37535B
Configure Monitoring > Engine > Engine/Generator Unloading...
CL Setting range Description
[Default]
Notes
For additional information refer to
on page 587
2 Yes The control unit automatically clears the alarm if the fault condition is no
longer detected.
[No] The control unit does not automatically reset the alarm when the fault condi‐
tion is no longer detected.
The alarm must be acknowledged and reset by manually pressing the appro‐
priate buttons or by activating the LogicsManager output "External acknowl‐
edgement" (via a discrete input or via an interface).
This monitoring function is always enabled and becomes active
when a stop command is issued. Following a stop command, the
controller tries to reduce the power before opening the GCB. If the
power falls below the unload limit (parameter
before the delay (parameter
open" command will be issued. If the controller fails to reduce the
power to fall below the unload limit (parameter
before the delay (parameter
open" command will be issued together with an alarm.
CL Setting range Description
[Default]
2 0.5 to 99.9 % If the monitored generator power falls below this value, a "GCB open" com‐
mand will be issued.
[3.0 %]
Notes
This value refers to the generator rated active power (parameter
1752 Ä p.
2 2 to 9999 s If the monitored generator power does not fall below the limit configured in
parameter
[60 s]
open" command will be issued together with an alarm.
2 Class A/B/C/D/ Each limit may be assigned an independent alarm class that specifies what
E/F action should be taken when the limit is surpassed.
[B]
Notes
For additional information refer to
on page 587
easYgen-2200/2500 | Genset Control
Ä Chapter 9.5.1 "Alarm Classes"
3123 Ä p.
3123 Ä p.
If this protective function is triggered, the display indi‐
cates "Gen. unloading fault" and the logical command
variable "06.30" will be enabled.
95).
3125 Ä p. 163 before the time configured here expires, a "GCB
Ä Chapter 9.5.1 "Alarm Classes"
Configuration
3125 Ä p. 163)
163) expires, a "GCB
3125 Ä p. 163)
163) expires, a "GCB
163