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NT
AMF26-P, SW version 2.4, ©ComAp – January 2016 85
AMF26-P-2.4 Reference Guide.pdf
Gen >V Sd [%]
Threshold for generator overvoltage. All three phases are checked. Maximum out of three is used.
Step: 1% of Nominal voltage
Range: 0(Gen <V BOC) – 200%
Gen <V BOC [%]
Threshold for generator undervoltage. All three phases are checked. Minimum out of three is used.
Step: 1% of Nominal voltage
Range: 0% – 200 (Gen >V Sd)%
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).
Gen V Del [s]
Delay for generator undervoltage and overvoltage alarm
Step: 0,1s
Range: 0,0 – 600,0 s
Volt Unbal Sd [%]
Threshold for generator voltage unbalance alarm.
Step: 1% of Nominal voltage
Range: 0 – 200% of Nominal voltage
Hint:
Voltage unbalance protection is evaluated the same way as overvoltage (Gen >V Sd) and
undervoltage (Gen <V BOC) protections described above.
Volt Unbal Del [s]
Delay for generator voltage unbalance alarm.
Step: 0,1s
Range: 0,0 – 600,0 s
Gen >Freq Sd [%]
Threshold for generator phase L3 overfrequency.
Step: 0,1% of Nominal frequency
Range: 0 (Gen <Freq BOC) – 200,0% of Nominal frequency
Gen <Freq BOC [%]
Threshold for generator phase L3 underfrequency.
Step: 0,1% of Nominal frequency
Range: 0,0 – 200 (Gen >Freq Sd ) % of Nominal frequency
Gen Freq Del [s]
Delay for generator underfrequency and overfrequency alarm.
Step: 0,1s
Range: 0,0 – 600,0 s
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