ComAp InteliLite NT AMF26-P - Gen-Set Operation States; List of Possible Events

InteliLite
NT
AMF26-P, SW version 2.4, ©ComAp – January 2016 119
AMF26-P-2.4 Reference Guide.pdf
Gen-set Operation States
Engine machine state
Init
Autotest during controller power on .
Not ready
Gen-set is not ready to start. For instance when shutdown alarm is active or unit is in
OFF mode.
Prestart
Prestart sequence in process, Prestart output is closed. It could be also used for
preheheating or process executed prior gen-set start.
Cranking
Engine is cranking. Starter outpus is closed.
Pause
Pause between start attempts.
Starting
Starting speed is reached and the Idle timer is running.
Running
Gen-set is running at nominal speed.
Loaded
Gen-set is running at nominal speed and GCB OPEN/CLOSE is closed.
Stop
Stop. Automatic or manual stop command was issued, engine is stopping.
Shutdowns
Shut-down alarm activated.
Ready
Gen-set is ready to run.
Cooling
Gen-set is cooling before stop.
EmergMan
Emergency Manual gen-set operation. Used for bypass the controller and engine
manual start.
Engine started” conditions
Engine speed (RPM) > Starting RPM or
AI: Oil press > Starting POil or
D+ terminal active (reached 80% of supply voltage) for minimum 1s or
Generator voltage > 25% of NomVolts Ph-N or NomVolts Ph-Ph (any phase)
HINT:
Any of these condition will disconnect starter of the engine, however for transition to next state RPM
needs to be higher than Starting RPM.
Electric machine state
MainsOper
Mains is present
MainsFlt
Mains cut off – immediate state
MainsFlt
Mains cut off – takes EmergStart del
IslOper
Island operation
MainsRet
Mains recover
Brks Off
GCB, MCB opened
MinStabTO
Minimal Stabilization Timeout
MaxStabTO
Maximal Stabilization Timeout
Trans Del
Forward return break delay. Delay between GCB opening and MCB closing
List of possible events
Events
specification
Protection
type
Information on binary
output available (See
list of Binary outputs)
Description