Rev.23
40/311
4.9.
Function 59N_1 and 59N_2. Definite-time neutral overvoltage
This protection function is adjusted using three parameters:
Function
Description
Minimum
Maximum
Step
Unit
Default
59N_1
59N_2
Definite-time neutral overvoltage
Permission
-
-
Yes/No
-
No
Pickup
4
170
1
V
10
Operating time
0.02
300.00
0.01
s
100
Reset time
0.2
1200.0
0.1
s
0.2
The operating time is completely independent of the measured neutral voltage, such that should the
neutral voltage exceed the set value during the same amount of time or more than the set one during
operation time, the protection function acts (trips) and there it is not restored until the measured value
of the neutral voltage drops below the voltage set point during adjusting reset time.
The function pick up occurs at 100% of the adjusted input and the dropout at 95%. The reset type is
temporized and reset time is adjusted with reset time parameter.
The accuracy of the operating time is the adjusted time ±30ms.
NB: The neutral voltage is obtained internally in the equipment, using the sum of the 3-phase voltages.
4.10. Function 27_1 and 27_2. Definite-time phase undervoltage
This protection function is adjusted using three parameters:
Function
Description
Minimum
Maximum
Step
Unit
Default
27_1
27_2
Definite-time phase undervoltage
Permission
-
-
Yes/No
-
No
Pickup
4
170
1
V
50
Operating time
0.02
300
0.01
s
100
Reset time
0.2
1200.0
0.1
s
0.2
The operating time is completely independent of the measured phase voltage, such that should the
phase voltage goes down the set value during the same amount of time or more than the set one, the
protection function acts (trips) and there it is not restored until the measured value of the phase voltage
exceeds the voltage set point during adjusting reset time.
The function pick up occurs at 100% of the adjusted input and the dropout at 105%. The reset type is
instantaneous temporized and reset time is adjusted with reset time parameter.
The accuracy of the operating time is the adjusted time ±30ms.
Summary of Contents for SIL B
Page 1: ...EN_FANOXTD_MANU_SIL_Feeder_SILB_R023 Docx USER S MANUAL SIL B Feeder Relay...
Page 8: ...www fanox com Rev 23 8 311 2 DIMENSIONS AND CONNECTION DIAGRAMS 2 1 Equipment front view...
Page 9: ...www fanox com Rev 23 9 311 2 2 Equipment dimensions...
Page 10: ...www fanox com Rev 23 10 311...
Page 11: ...www fanox com Rev 23 11 311 2 3 Cut out pattern CUT OUT PATTERN...
Page 12: ...www fanox com Rev 23 12 311 2 4 Connection diagrams Analog connections...
Page 13: ...www fanox com Rev 23 13 311...
Page 14: ...www fanox com Rev 23 14 311 Digital connections Outputs and Trip circuit supervision...
Page 15: ...www fanox com Rev 23 15 311 2 5 Terminals IEC 61850 or DNP3 0 protocols...
Page 17: ...www fanox com Rev 23 17 311 IEC 60870 5 103 protocol...
Page 25: ...www fanox com Rev 23 25 311 3 3 Functional diagram...
Page 28: ...www fanox com Rev 23 28 311 3 5 1 SIL B 1 CHARGE CURVE 3 5 2 SIL B 5 CHARGE CURVE...
Page 91: ...www fanox com Rev 23 91 311...
Page 140: ...www fanox com Rev 23 140 311...
Page 194: ...www fanox com Rev 23 194 311 Polarization V 35 0 V C Operating Angle 180 C Halfcone Angle 3 C...
Page 307: ...www fanox com Rev 23 307 311 50BF init Fault init 79 Closure permission 52 closure permission...
Page 310: ...www fanox com Rev 23 310 311 NOTES...
Page 311: ...www fanox com Rev 23 311 311...
