A53 Z0 9 0020 L En Technical documentation
12 Protections
Protections are triggered by different events (digital inputs, and logic sequences). They take action to
protect a process, engine or alternator.
When configured, they can take the actions listed hereunder.
12.1
Disable
This gives no effect.
12.2
Generator electrical fault
This action triggers a “Generator electrical fault”. Protection will open genset breaker and try to re-
synchronize again. Number of attempts can be configured.
12.3
Mains electrical fault
This action triggers a “Mains electrical fault”. Protection will open mains breaker and will start the
generator and take the load if the parameter [E1841] start on fault is set to 1
(“Configuration/Mains/Bus/mains electrical fault” menu).
The mains back is validated by the timer [E1085] (“Configuration/Timers/Mains” menu).
In change-over mode, the time between the emergency open and the normal close is managed by the
timer [E1459] (“Configuration/Timers/Mains” menu).
In no break change-over mode, the load transfer time between the normal towards the emergency (and
conversely) are defined by the timers [E1151] load ramp and [E1152] unload ramp
(“Configuration/Generator” menu)
12.4
Alarm
This action triggers an “Alarm”.
12.5
Fault (Soft Shut down)
This action triggers a “Soft shutdown”. Genset breaker will open allowing the engine to cool down off load
for the duration of the cool down timer. The engine is then stopped.
12.6
Security (Hard Shutdown)
This action triggers a “Hard shutdown”. Genset breaker will open and engine will be stopped immediately
without cooling down.
12.7
Droop
The kW load sharing is not done by the CAN bus but in droop. This protection is used when a defaut on
inter-units CAN bus is detected. (See §15.2.1 for more details)
12.8
Help + Fault (Soft Shut down)
This action triggers a “Soft shutdown” with “Help call”. Before the soft shutdown sequence, GENSYS 2.0 will
call another genset onto load via the inter-GENSYS CAN bus. When the helping set is connected to the
busbar (and not before!) GENSYS 2.0 will open the genset breaker, allowing the engine to cool down off
load, for the duration of the cool down timer. The engine is then stopped.
To Next Page
Loading...
Need help?
General
