6. Menu
SETPOINTS
VFR Voltage Frequency Relay
6.5
Instruction Manual: VFR GBM 06/10/2021
Frequency Protect.
UnderFrequency2
Relay
Value
- - - - - - - -
RANGE: NONE; ANY COMBINATION OF AUX1, AUX2, AUX3, AUX4, AUX5,
AUX6, AUX7 OR AUX8
When NONE is selected, the protection UnderFrequency2 will be disabled.
Frequency Protect.
UnderFrequency2 Level
Value
59.0 Hz
RANGE: 47.0
59.9
STEPS: 0.1
Enter the UnderFrequency2 intervention level.
The protection will activate when the frequency drops below this value for a period
>= UnderFrequency2 Delay value.
[6.5
Setpoints: FREQUENCY PROT.
]
If UnderFrequency2 Relay
≠
NONE
Frequency Protect.
UnderFrequency2 Reset
Value
59.2 Hz
RANGE: 47.1
60.0
STEPS: 0.1
Enter the value at which the faulty condition for UnderFrequency2 drops out. At
this point, it is possible to reset the VFR manually by pressing the Reset button.
[6.5
Setpoints: FREQUENCY PROT.
]
If UnderFrequency2 Relay
≠
NONE
Frequency Protect.
UnderFrequency2 Delay
Value
0.15 s
RANGE: 0.10
600
STEPS: 0.01; 0.1; 1
Enter the UnderFrequency2 protection intervention delay.
[6.5
Setpoints: FREQUENCY PROT.
]
If UnderFrequency2 Relay
≠
NONE
Frequency Protect.
UnderFrequency3
Relay
Value
- - - - - - - -
RANGE: NONE; ANY COMBINATION OF AUX1, AUX2, AUX3, AUX4, AUX5,
AUX6, AUX7 OR AUX8
When NONE is selected, the protection UnderFrequency3 will be disabled.
Frequency Protect.
UnderFrequency3 Level
Value
59.0 Hz
RANGE: 47.0
59.9
STEPS: 0.1
Enter the UnderFrequency3 intervention level.
The protection will activate when the frequency drops below this value for a period
>= UnderFrequency3 Delay value.
[6.5
Setpoints: FREQUENCY PROT.
]
If UnderFrequency3 Relay
≠
NONE
Frequency Protect.
UnderFrequency3 Reset
Value
59.2 Hz
RANGE: 47.1
60.0
STEPS: 0.1
Enter the value at which the faulty condition for UnderFrequency3 drops out. At
this point, it is possible to reset the VFR manually by pressing the Reset button.
[6.5
Setpoints: FREQUENCY PROT.
]
If UnderFrequency3 Relay
≠
NONE
Frequency Protect.
UnderFrequency3 Delay
Value
0.15 s
RANGE: 0.10
600
STEPS: 0.01; 0.1; 1
Enter the UnderFrequency3 protection intervention delay.
[6.5
Setpoints: FREQUENCY PROT.
]
If UnderFrequency3 Relay
≠
NONE
Frequency Protect.
UnderFrequency4
Relay
Value
- - - - - - - -
RANGE: NONE; ANY COMBINATION OF AUX1, AUX2, AUX3, AUX4, AUX5,
AUX6, AUX7 OR AUX8
When NONE is selected, the protection UnderFrequency4 will be disabled.
