InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 83
IL-NT-AMF-2.2-Reference Guide.pdf
Mains <V [%]
Threshold for mains undervoltage. All three phases are checked. Minimum voltage out of three phases
is used.
Step: 1% of nominal voltage
Range: 50% – 150 (Mains >V)%
Hint:
Over- and undervoltage protection is evaluated according to Basic Settings: ConnectionType setting.
3Ph4Wire and 3Ph3Wire connections are evaluated according to Ph-Ph nominal voltage (NomVolts
Ph-Ph) and Split Phase and Mono Phase connections are evaluated according to Ph-N nominal
voltage (NomVolts Ph-N).
Hint:
To evaluate Mains > V and Mains < V the controller has implemented additional hysteresis
If “Mains <V” <= 90% then hysteresis for “Mains<V” = ±4%
If “Mains >V” >= 110% then hysteresis for “Mains>V” = ±4%
If “Mains <V” >90% then hysteresis for Mains<V is calculated as 40% form (100 – “Mains<V”)
If “Mains>V” <110% then hysteresis for “Mains>V” is calculated as 40% from (100 – “Mains>V”)
Mains V Del [s]
Delay for mains undervoltage and overvoltage
Step: 0.1 s
Range: 0 – 600.0 s
Mains V Unbal [%]
Threshold for mains voltage unbalance
Step: 1% of Nominal voltage
Range: 1 – 150%
Mains VUnb Del [s]
Delay for mains voltage unbalance
Step: 0.1 s
Range: 0 – 60.0
Mains >Freq [%]
Threshold for mains overfrequency. All three phases are checked. Maximum out of three is used.
Step: 0.1% of Nominal frequency
Range: 50 (Mains <Freq) – 150.0%
Mains <Freq [%]
Threshold for mains underfrequency. All three phases are checked. Maximum out of three is used.
Step: 0.1% of Nominal frequency
Range: 50% – 150.0(Mains >Freq)%
Mains Freq Del [s]
Delay for mains underfrequency and overfrequency
Step: 0.1s
Range: 0 – 60.0 s
MCB Logic [CLOSE-ON / CLOSE-OFF]
The set point influences the behavior of the output MCB CLOSE/OPEN
CLOSE-ON: When the output MCB CLOSE/OPEN is closed – MCB should be closed.
CLOSE-OFF: When the output MCB CLOSE/OPEN is closed – MCB should be opened.
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