Ref 615

ABB 23
Feeder Protection
REF615 ANSI
Product Version 4.0
1MAC105361-PG Rev. E
Issued: 04.15.2011
23. Technical data
Table 8. Power supply
Description Type 1 Type 2
V nominal (Vn) 100, 110, 120, 220, 240 V AC,
60 and 50 Hz
48, 60, 110, 125, 220, 250 V DC
24, 30, 48, 60 V DC
Vn variation 38...110% of Vn (38...264 V AC)
80...120% of Vn (38.4...300 V DC)
50...120% of Vn
(12...72 V DC)
Start-up threshold 19.2 V DC
(24 V DC * 80%)
Burden of auxiliary voltage supply
under quiescent (Pq)/operating
condition
DC < 12.0 W (nominal)/< 18.0 W
(max), AC< 16.0 W (nominal)/<
21.0W (max)
DC < 12.0 W (nomi-
nal)/< 18.0 W (max)
Ripple in the DC auxiliary voltage Max 15% of the DC value (at frequency of 100 Hz)
Maximum interruption time in the
auxiliary DC voltage without
resetting the relay
50 ms at nominal voltage 50 ms at nominal voltage
Fuse type T4A/250 V
Table 7. Dimensions
Description Value
Width frame 7.08” (179.8 mm)
case 6.46” (164 mm)
Height frame 6.97 (177 mm), 4U
case 6.30” (160 mm)
Depth case 7.64” (194 mm)
Weight relay 7.72 lbs. (3.5 kg)
draw-out unit 3.97 lbs. (1.8 kg)

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REF615 ANSI
Product Version 4.0
Table 9. Analog inputs
Description Value
Rated frequency 60/50 Hz ± 5 Hz
Current inputs Rated current, In 5/1 A1)
0.2 A2)
Thermal withstand capability:
• Continuously
• For 1 s
20 A
500 A
4 A
100 A
Dynamic current withstand:
• Half-wave value 1250 A 250 A
Input impedance <20 mΩ <100 mΩ
Voltage inputs Rated voltage Vn
60...210 V AC (Parametrization)
Voltage withstand:
• Continuous
• For 10 s
2 x Vn
(240 V AC)
3 x Vn
(360 V AC)
Burden at rated voltage <0.05 VA
1)
Phase and ground current inputs
2)
Sensitive earth fault (SEF)/high impedance (HIZ) detection current input
Table 10. Measuring range
Description Value
Measured currents on phases IA, IB and IC as multiples of
the rated currents of the analog inputs
0... 50 x In
Ground current as a multiple of the rated current of the
analog input
0... 50 x In
Table 11. Binary inputs
Description Value
Operating range ±20 % of the rated voltage
Rated voltage 24...250 V DC
Current drain 1.6...1.9 mA
Power consumption 31.0...570 mW
Threshold voltage 18...176 V DC
Reaction time 3 ms
Table 12. Signal outputs (SO) on X120 and X130 [Typical operation time: 5...8 ms]
Description Value
Rated voltage 250 V AC/DC
Continuous carry 5 A
Make and carry for 3.0 s 10 A
Make and carry 0.5 s 15 A
Breaking capacity when the control-circuit time
constant L/R<40 ms, at 48/110/220 V DC
1 A/0.25 A/0.15 A
Minimum contact load 10 mA at 5 V AC/DC

ABB 25
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 13. Self-diagnostics alarm signal output (SO) [Typical operation time: 5...8 ms]
Description Value
Continuous contact carry 5 A
1 A/0.25 A/0.15 A
Table 14. Double-pole power output (PO) relays with TCM [Typical operation time: 8...11 ms]
Description Value
constant L/R<40 ms, at 48/110/220 V DC (two
contacts connected in series)
5 A/3 A/1 A
Trip-circuit monitoring (TCM):
• Control voltage range
• Current drain through the monitoring circuit
• Minimum voltage over the TCM contact
20...250 V AC/DC
~1.5 mA
20 V AC/DC (15...20 V)
Table 15. Single-pole power output (PO) relays [Typical operation time: 8...11 ms]
Description Value
5 A/3 A/1 A

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REF615 ANSI
Product Version 4.0
Table 17. High-speed output (HSO) devices [Typical operation time: 1 ms]
Description Value
5 A / 3 A / 1 A
Table 18. Ethernet interfaces
Ethernet interface Protocol Cable Data transfer rate
Front RJ-45 TCP/IP Standard Ethernet Cat5 cable with RJ-45 connec-
tor
10 MBits/s
Rear RJ-45 or LC TCP/IP Shielded twisted pair CAT 5e cable with RJ-45
connector or fiber-optic cable with LC connector
100 MBits/s
X5 Serial 10-pin counter connector Weidmuller BL
3.5/10/180F AU OR BEDR or 9-pin counter
connector Weidmuller BL 3.5/9/180F AU OR
BEDR1)1
115200 Bits/s
X16 Serial 9-pin D-sub connector DE-9 115200 Bits/s
X12 Serial Optical ST-connector 115200 Bits/s
Table 19. Network Ethernet ports specifications
Connector Fibre type1)
Wave length Max. distance Permitted path attenu-
ation2)
LC SM 9/125 μm 1300 nm 2-20 km <8 dB
ST MM 62.5/125 μm
glass fibre core
820-900 nm 1 km <11 dB
1)
(MM) multi-mode fibre, (SM) single-mode fibre
2)
Maximum allowed attenuation caused by connectors and cable together
Table 16. Double-pole signal output (SO1) on X100 [Typical operation time: 8...11 ms]
Description Value
1 A/0.25 A/0.15 A
1
Depending on the optional communication module.

ABB 27
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 23. Environmental conditions
Description Value
Operating temperature range -25 C to +55° C
Short-term operating temperature range -40 C to +85° C (<16 h) 1) 2)
Relative humidity <93%, non-condensing
Atmospheric pressure 86...106 kPa
Altitude Up to 6561 ft (2000 m)
Transport and storage temperature range -40...+85ºC
1)
Degradation in MTBF and LHMI performance outside continuous operating temperature range
2)
For relays with an LC communications interface, the maximum operating temperature is +70° C
Table 20. IRIG-B
Description Value
IRIG time code format B004, B0051)
Isolation 500V 1 min.
Modulation Unmodulated
Logic level TTL Level
Current consumption 2...4 mA
Power consumption 10...20 mW
Table 21. Lens sensor and optical fibre for arc protection
Description Value
Fiber-optic cable including lens 1.5 m, 3.0 m or 5.0 m
Normal service temperature range of the lens -40...+100°C
Maximum service temperature range of the
lens, max 1 h
+140°C
Minimum permissible bending radius of the
connection fibre
100 mm
Table 22. Degree of protection of flush-mounted relay
Description Value
Front side IP 54
Rear side, connection terminals IP 20
1)
According to 200-04 IRIG -standard
Table 24. Environmental tests
Description Type test value Reference
Dry heat test (humidity
<50%)
• 96 h at +55ºC
• 16 h at +85ºC1)
• 12h at +85 ºC 1) 2)
IEC 60068-2-2
IEEE C37.90-2005
Dry cold test • 96 h at -25ºC
• 16 h at -40ºC
• 12h at -40ºC1) 2)
IEC60068-2-1
IEEE C37.90-2005
Damp heat test, cyclic • 6 cycles (12 h + 12 h) at +25°C…+55°C, humidity >93%
• +25°C, Rh = 95%, 96h
IEC 60068-2-30
IEEE C37.90-2005
Storage test • 96 h at -40ºC
• 96 h at +85ºC
IEC 60068-2-48
IEEE C37.90-2005
1)
For relays with an LC communication interface the maximum operating temperature is +70° C

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REF615 ANSI
Product Version 4.0
Table 25. Electromagnetic compatibility tests
The EMC immunity test level meets the requirements listed below:
1 MHz burst disturbance test, class III:
• Common mode
• Differential mode
2.5 kV
2.5 kV
IEC 61000-4-18
IEC 60255-22-1, class III
IEEE C37.90.1-2002
Electrostatic discharge test
• Contact discharge
• Air discharge
8 kV
15 kV
IEC 61000-4-2
IEC 60255-22-2
IEEE C37.90.3-2001
Radio frequency interference tests:
10 V (rms)
f=150 kHz-80 MHz
10 V/m (rms)
f=80-2700 MHz
10 V/m
f=900 MHz
20 V/m (rms)
f=80-1000 MHz
IEC 61000-4-6
IEC 61000-4-3
ENV 50204
IEEE C37.90.2-2004
Fast transient disturbance tests:
• All ports 4 kV
IEC 61000-4-4
IEC 60255-22-4
IEEE C37.90.1-2002
Surge immunity test:
• Communication
• Other ports
1 kV, line-to-earth
4 kV, line-to-earth
2 kV, line-to-line
IEC 61000-4-5
IEC 60255-22-5
Power frequency (50 Hz) magnetic field:
• Continuous
• 1-3 s
300 A/m
1000 A/m
IEC 61000-4-8
Voltage dips and short interruptions 30%/10 ms
60%/100 ms
60%/1000 ms
>95%/5000 ms
According to IEC 61000-
4-11
Power frequency immunity
test:
• Common mode
• Differential mode
Binary inputs only
300 V rms
150 V rms
IEC 61000-4-16
IEC 60255-22-7, class A

ABB 29
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 26. Insulation tests
Dielectric tests: According to IEC 60255-5
• Test voltage 2 kV, 50 Hz, 1 min
500 V, 50 Hz, 1 min, communication
Impulse voltage test:
• Test voltage 5 kV, 1.2/50 μs, 0.5 J
1 kV, 1.2/50 μs, 0.5 J,
communication
IEC 60255-5 and
IEC 60255-27
Insulation resistance measurements
• Isolation resistance >100 MΩ, 500 V DC
IEC 60255-5 and
IEC 60255-27
Protective bonding resistance
• Resistance <0.1 Ω (60 s)
IEC 60255-27
Table 28. Product safety
Description Reference
LV directive 2006/95/EC
Standards EN 60255-27 (2005),
EN 60255-6 (1994)
Table 27. Mechanical tests
Description Value
Vibration tests (sinusoidal) IEC 60068-2-6 (test Fc)
IEC 60255-21-1
Class 2
Shock and bump test IEC 60068-2-27 (test Ea shock)
IEC 60068-2-29 (test Eb bump)
IEC 60255-21-2
Class 2
Seismic test IEC 60255-21-3 Class 2
Mechanical durability IEEE C37.90-2005
IEC 602556-6
• 200 withdrawls and insertions of the plug-in unit
• 200 adjustments of relay setting controls
Emission tests:
• Conducted
0.15-0.50 MHz
0.5-30 MHz
• Radiated
30-230 MHz
230-1000 MHz
< 79 dB(μV) quasi peak
< 66 dB(μV) average
< 73 dB(μV) quasi peak
< 60 dB(μV) average
< 40 dB(μV/m) quasi peak,
measured at 10 m distance
< 47 dB(μV/m) quasi peak,
measured at 10 m distance
EN 55011, class A
IEC 60255-25
Table 25. Electromagnetic compatibility tests (continued)

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REF615 ANSI
Product Version 4.0
Table 29. EMC Compliance
Description Reference
EMC directive 2004/108/EC
Standard EN 50263 (2000)
EN 60255-26 (2007)
Table 30. RoHS compliance
Description
Complies with the RoHS directive 2002/95/EC
Protection functions
Table 31. Three-phase non-directional overcurrent protection (50P, 51P)
Characteristic Value
Pickup accuracy 51P Depending on the frequency of the current
measured: fn ±2Hz
±1.5% of the set value or ±0.002 x In
50P-1, 50P-2
and
50P-3
±1.5% of set value or ±0.002 x In
(at currents in the range of 0.1…10 x In)
±5.0% of the set value
(at currents in the range of 10…40 x In)
Pickup time 1) 2)
Minimum Typical Maximum
50P-3:
IFault = 2 x set Pickup value
15 ms
12 ms
16 ms
13 ms
17 ms
14 ms
50P-1, 50P-2 and 51P:
IFault = 2 x set Pickup value 23 ms 25 ms 28 ms
Reset time < 40 ms
Reset ratio Typical 0.96
Retardation time < 30 ms
Trip time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Trip time accuracy in inverse time mode ±5.0% of the theoretical value or ±20 ms 3)
Suppression of harmonics RMS: No suppression
DFT: -50dB at f =
n x fn, where n = 2, 3, 4, 5,…
Peak-to-Peak: No suppression
P-to-P+backup: No suppression
1)
Set Operate delay time = 0,02 s, Operate curve type = ANSI definite time, Measurement mode = default (depends on stage), current before
fault = 0.0 x In, fn = 50 Hz, fault current in one phase with nominal frequency injected from random phase angle, results based on statistical
distribution of 1000 measurements
2)
Includes the delay of the signal output contact
3)
Maximum Pickup value = 2.5 x In, Pickup value multiples in range of 1.5 to 20

ABB 31
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 32. Three-phase non-directional overcurrent protection (50P, 51P) main settings
Parameter Function Value (Range) Step
Pickup value 51P 0.05...5.00 x In
0.01
50P-1, 50P-2 0.10...40.00 x In
0.01
50P-3 1.00...40.00 x In
0.01
Time multiplier 51P 0.05...15.0 0.05
50P-1, 50P-2 0.05...15.00 0.05
Definite time delay 51P 40...200000 ms 10
50P-1, 50P-2 40...200000 ms 10
50P-3 20...200000 ms 10
Operating curve type 1)
51P Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 17, 18, 19
50P-1, 50P-2 Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
50P-3 Definite time
1)
For further reference please refer to the Operating characteristics table at the end of the Technical data chapter

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Feeder Protection
REF615 ANSI
Product Version 4.0
Table 34. Three-phase directional overcurrent protection (67/51P, 67/50P) main settings
Pickup value 67/51P 0.05...5.00 x In
0.01
67/50P-1, 67/50P-2 0.10...40.00 x In
0.01
Time multiplier 67/51P, 67/50P-1, 67/50P-2 0.05...15.00 0.05
Definite time delay 67/51P, 67/50P-1, 67/50P-2 40...200000 ms 10
Directional mode 67/51P, 67/50P-1, 67/50P-2 1 = Non-directional
2 = Forward
3 = Reverse
Characteristic angle 67/51P, 67/50P-1, 67/50P-2 -179...180 degrees 1
67/51P Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 17, 18, 19
67/50P-1, 67/50P-2 Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
1)
Table 33. Three-phase directional overcurrent protection (67/51P, 67/50P)
Pickup accuracy Depending on the frequency of the current/
voltage measured: fn ±2Hz
67/51P Current:
Voltage:
±1.5% of the set value or ±0.002 x Vn
Phase angle: ±2°
67/50P-1, 67/50P-2 Current:
±5.0% of set value
Voltage:
Phase angle:
±2°
Pickup time 1) 2)
IFault = 2.0 x set Pickup value 38 ms 43 ms 46 ms
Reset time < 40 ms
Suppression of harmonics DFT: -50dB at f = n x fn,
where n = 2, 3, 4, 5,…
1)
Measurement mode and Pol quantity = default, current before fault = 0.0 x In
, voltage before fault 1.0 x Un
, fn
= 50 Hz, fault current in one
phase with nominal frequency injected from random phase angle, results based on statistical distribution of 1000 measurements
2)
3)
Maximum Pickup value = 2.5 x In
, Pickup value multiples in range of 1.5 to 20

ABB 33
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 35. Non-directional ground fault protection (51N, 51G, 50N, 50G, SEF)
Pickup
accuracy
Depending on the frequency of the current
measured: fn ±2Hz
51N, 51G, SEF ±1.5% of the set value or ±0.002 x In
50N-1, 50N-2, 50G-1, 50G-2
and
50N-3, 50G-3
Pickup time 1) 2)
50N-3, 50G-3:
15 ms
12 ms
16 ms
13 ms
17 ms
14 ms
50N-1, 50N-2, 50G-1, 50G-2 and
51N, 51G, SEF:
23 ms 25 ms 28 ms
Reset time < 40 ms
DFT: -50dB at f =
n x fn, where n = 2, 3, 4, 5,…
1) Measurement mode = default (depends on stage), current before fault = 0.0 x In, fn = 50 Hz, earth-fault current with nominal frequency
injected from random phase angle, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Maximum Pickup value = 2.5 x In, Pickup value multiples in range of 1.5 to 20
Table 36. Non-directional ground fault protection (51N, 51G, 50N, 50G) main settings
Pickup value 51N/51G 0.010...5.000 x In
0.005
50N-1, 50N-2, 50G-1, 50G-2 0.10...40.00 x In
0.01
50N-3, 50G-3 1.00...40.00 x In
0.01
Time multiplier 51N/51G 0.05...15.00 0.05
50N-1, 50N-2, 50G-1, 50G-2 0.05...15.00 0.05
Definite time delay 51N/51G 40...200000 ms 10
50N-1, 50N-2, 50G-1, 50G-2 40...200000 ms 10
50N-3, 50G-3 20...200000 ms 10
51N/51G Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 17, 18, 19
50N-1, 50N-2, 50G-1, 50G-2 Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
50N-3, 50G-3 Definite time
1)

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REF615 ANSI
Product Version 4.0
Table 37. Directional ground fault protection (67/51N, 67/50N)
Pickup
accuracy
Depending on the frequency of the current meas-
ured: fn ±2Hz
67/51N Current:
Voltage:
Phase angle:
±2°
67/50N-1, 67/50N-2 Current:
±2% of the set value or ±0.003 x In
Voltage:
Phase angle: ±2°
Pickup time 1) 2)
67/50N-1, 67/50N-2:
67/51N-1:
Reset time < 40 ms
DFT: -50dB at f =
n x fn, where n = 2, 3, 4, 5,…
1)
Set Definite time delay = 0,06 s, Inverse-time (IDMT) and definite-time (DT) curves = ANSI definite time, Measurement mode = default
(depends on stage), current before fault = 0.0 x In, fn = 50 Hz, earth-fault current with nominal frequency injected from random phase
angle, results based on statistical distribution of 1000 measurements
2)
3)

ABB 35
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 38. Directional ground fault protection (67/51N, 67/50N) main settings
Pickup value 67/51N 0.010...5.000 x In
0.005
67/50N-1, 67/50N-2 0.10...40.00 x In
0.01
Directional mode 67/51N, 67N/ 50N-1 and
67/50N-2
1=Non-directional
2=Forward
3=Reverse
Time multiplier 67/51N 0.05...15.00 0.05
67/50N-1, 67/50N-2 0.05...15.00 0.05
Definite time delay 67/51N 60...200000 ms 10
67/50N-1, 67/50N-2 60...200000 ms 10
67/51N Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 17, 18, 19
67/50N-1, 67/50N-2 Definite or inverse time
Curve type: 1, 3, 5, 15, 17
Operation mode 67/51N, 67/50N-1
and
67/50N-2
1=Phase angle
2=I0
Sin
3=I0
Cos
4=Phase angle 80
5=Phase angle 88
Table 39. Three-phase non-directional long time overcurrent protection (51LT)
Pickup
accuracy
51LT Depending on the frequency of the current
measured: fn ±2Hz
Pickup time 1) 2)
51LT:
23 ms 25 ms 28 ms
Reset time < 40 ms
Suppression of harmonics RMS: No suppression DFT: -50dB at f =
n x fn, where n = 2, 3, 4, 5,…
P-to-P+backup: No suppression
1)
Set Operate delay time = 0.02 s, Operate curve type = ANSI definite time, Measurement mode = default (depends on element), current before fault
= 0.0 x In, fn = 60 Hz, fault current in one phase with nominal frequency injected from random phase angle, results based on statistical distribution of
1000 measurements
2)
3)
Includes the delay of the heavy-duty output contact
4)

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REF615 ANSI
Product Version 4.0
Table 41. Three-phase overvoltage protection (59)
Pickup
accuracy
Depending on the frequency of the voltage
measured: fn ±2Hz
Pickup time 1) 2)
VFault = 1.1 x set Pickup value Minimum Typical Maximum
23 ms 27 ms 30 ms
Reset time < 40 ms
Reset ratio Depends on the Relative hysteresis
where n = 2, 3, 4, 5,…
1)
Pickup value = 1.0 x Un
, Voltage before fault 0.9 x Un
, fn
= 50 Hz, overvoltage in one phase-to-phase with nominal frequence injected from
random phase angle, results based on statistical distribution of 1000 measurements
2)
3)
Maximum Pickup value = 1.20 x Un
, Pickup value multiples in range of 1.10 to 2.00
1
Embedded 10x factor in time multiplier to achieve ‘very long-time’ curve characteristic
Table 42. Three-phase overvoltage protection (59) main settings
Pickup value 59 0.05...1.60 x Vn
0.01
Time multiplier 59 0.05...15.00 0.05
Definite time delay 59 40...300000 ms 10
59 Definite or inverse time
Curve type: 5, 15, 17, 18, 19, 20
1)
Table 40. Three-phase non-directional long time overcurrent protection (51LT) main settings
Pickup value 51LT 0.05 - 5.00 x In
0.01
Time multiplier 51LT 0.10...15.001
0.01
Definite time delay 51LT 0.020...200.001
s 0.001
Operating curve type 51LT Definite or inverse-time curve
type: 6, 7, 14, 15, 17

ABB 37
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 43. Three-phase undervoltage protection (27)
Pickup
accuracy
measured: fn ±2Hz
Pickup time 1) 2)
62 ms 66 ms 69 ms
Reset time < 40 ms
Reset ratio Depends on the set Relative hysteresis
where n = 2, 3, 4, 5,…
Table 44. Three-phase undervoltage protection (27) main settings
0.01
Time multiplier 27 0.05...15.00 0.05
Curve type: 5, 15, 21, 22, 23
1)
, fn
= 50 Hz, undervoltage in one phase-to-phase with nominal frequence injected from
2)
3)
Minimum Pickup value = 0.50, Pickup value multiples in range of 0.90 to 0.20
1)
Table 45. Positive sequence undervoltage protection (27PS)
Pickup
accuracy
measured: fn ±2Hz
Pickup time 1) 2)
52 ms 55 ms 57 ms
VFault = 0.9 x set Pickup value 44 ms 46 ms 49 ms
Reset time < 40 ms
Reset ratio Depends on the set Relative hysteresis
where n = 2, 3, 4, 5,…
1)
, Positive sequence voltage before fault 1.1 x Un
, fn
= 50 Hz, positive sequence undervoltage with nominal frequence
injected from random phase angle, results based on statistical distribution of 1000 measurements
2)

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Issued: 04.15.2011
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REF615 ANSI
Product Version 4.0
Table 46. Positive sequence undervoltage protection (27PS) main settings
Pickup value 27PS 0.010...1.200 x Vn
0.001
Definite time delay 27PS 40...120000 ms 10
Voltage block value 27PS 0.01...1.0 x Vn
0.01
Table 47. Negative sequence overvoltage protection (47)
Pickup
accuracy
measured: fn ±2Hz
Pickup time 1) 2)
Reset time < 40 ms
where n = 2, 3, 4, 5,…
1)
Negative sequence voltage before fault 0.0 x Un
, fn
= 50 Hz, negative sequence overvoltage with nominal frequence injected from random
phase angle, results based on statistical distribution of 1000 measurements
2)
Table 48. Negative sequence overvoltage protection (47) main settings
0.001
Table 49. Ground overvoltage protection (59G)
Pickup
accuracy
measured: fn ±2Hz
Pickup time 1) 2)
Reset time < 40 ms
where n = 2, 3, 4, 5,…
1)
Residual voltage before fault 0.0 x Un
, fn
= 50 Hz, residual voltage with nominal frequency injected from random phase angle, results based
on statistical distribution of 1000 measurements
2)

ABB 39
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 50. Ground overvoltage protection (59G) main settings
Pickup value 59G 0.010...1.000 x Vn
0.001
Definite time delay 59G 40...300000 ms 1
Table 51. Negative sequence overcurrent protection (46)
Pickup Accuracy Depending on the frequency of the
current measured: fn = ±2Hz
Pickup time 1) 2)
22 ms
14 ms
25 ms
17 ms
27 ms
19 ms
Reset time < 40 ms
Suppression of harmonics DFT: -50dB at f = n x fn, where
n = 2, 3, 4, 5,…
1)
Negative sequence current before fault = 0.0, fn = 50 Hz, results based on statistical distribution of 1000 measurements
2)
3)
Table 53. Phase discontinuity protection (46PD)
Pickup Accuracy Depending on the frequency of the current
measured: fn ±2Hz
±2% of the set value
Pickup time < 70 ms
Reset time < 40 ms
Suppression of harmonics DFT: -50dB at f = n x fn, where n = 2, 3, 4, 5,…
Table 52. Negative sequence overcurrent protection (46) main settings
Pickup value 46 0.01...5.00 x In
0.01
Time multiplier 46 0.05...15.00 0.05
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 17, 18, 19
1)

ABB
40
Issued: 04.15.2011
Feeder Protection
REF615 ANSI
Product Version 4.0
Table 54. Phase discontinuity protection (46PD) main settings
Pickup value
(Current ratio setting I2
/I1
)
46PD 10...100 % 1
Definite time delay 46PD 100...30000 ms 1
Min phase current 46PD 0.05...0.30 x In 0.01
Table 57. Three-phase thermal overload (49F)
measured: fn ±2Hz
Current measurement: ±0.5% or ±0.002 x In
(at currents in the range of 0.01…4.00 x In)
Trip time accuracy ±2.0% or ±0.50 s
Table 56. Circuit breaker failure protection (50BF, 50NBF, 50GBF) main settings
Current value
(Operating phase current)
50BF, 50NBF, 50GBF 0.05...1.00 x In
0.05
Current value Res
(Operating residual current)
50BF, 50NBF, 50GBF 0.05...1.00 x In
0.05
CB failure mode
(Operating mode of function)
50BF, 50NBF, 50GBF 1=Current
2=Breaker status
3=Both
CB fail trip mode 50BF, 50NBF, 50GBF 1=Off
2=Without check
3=Current check
Retrip time 50BF, 50NBF, 50GBF 0...60000 ms 10
CB failure delay 50BF, 50NBF, 50GBF 0...60000 ms 10
CB fault delay 50BF, 50NBF, 50GBF 0...60000 ms 10
Table 55. Circuit breaker failure protection (50BF, 50NBF, 50GBF)
measured: fn ±2Hz
Trip time accuracy ±1.0% of the set value or ±20 ms

ABB 41
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 58. Three-phase thermal overload (49F) main settings
Env temperature Set
(Ambient temperature used when the Amb-
Sens is set to Off )
49F -50...100°C 1
Current multiplier
(Current multiplier when function is used for
parallel lines)
49F 1...5 1
Current reference 49F 0.05...4.00 x In
0.01
Temperature rise
(End temperature rise above
ambient)
49F 0.0...200.0°C 0.1
Time constant
(Time constant of the line in
seconds)
49F 60...60000 s 1
Maximum temperature
(temperature level for trip)
49F 20.0...200.0°C 0.1
Alarm value
(Temperature level for start (alarm))
49F 20.0...150.0°C 0.1
Reclose temperature
(Temperature for reset of block reclose after
trip)
49F 20.0...150.0°C 0.1
Initial temperature
(Temperature raise above ambient tempera-
ture at startup)
49F -50.0...100.0 °C 0.1
Table 59. Three-phase inrush current detection (INR)
Pickup Accuracy At the frequency f=fn
Current measurement:
Ratio I2f/I1f measurement: ±5.0% of set value
Reset time +35 ms / -0 ms
Trip time accuracy +20 ms / -10 ms
Table. 60. Three-phase inrush current detection (INR) main settings
Pickup value
(Ratio of the 2nd to the 1st harmonic
leading to restraint)
INR 5...100 % 1
Definite time delay INR 20...60000 ms 1

ABB
42
Issued: 04.15.2011
Feeder Protection
REF615 ANSI
Product Version 4.0
Table 61. Arc protection (AFD)
Pickup Accuracy ±3% of the set value or ±0.01 x In
Trip time Minimum Typical Maximum
Operation mode =
“Light+current” 1) 2)
9 ms 12 ms 15 ms
Operation mode = “Light
only” 2)
9 ms 10 ms 12 ms
Reset time < 40 ms
1)
Phase Pickup value = 1.0 x In, current before fault = 2.0 x set Phase Pickup value, fn = 50Hz, fault with nominal frequency, results based on
statistical distribution 200 measurements
2)
Includes the delay of the heavy-duty output contact
Table 62. Arc protection (AFD) main settings
Phase Pickup value
(Operating phase current)
AFD 0.50...40.00 x In
0.01
Ground Pickup value
(Operating residual current)
AFD 0.05...8.00 x In
0.01
Operation mode AFD 1=Light+current
2=Light only
3=BI controlled

ABB 43
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 63. Operating characteristics
Parameter Values (Range)
Inverse-time and definite-time curve types
(overcurrent protection)
1=ANSI Ext. inv.
2=ANSI Very. inv.
3=ANSI Norm. inv.
4=ANSI Mod inv.
5=ANSI Def. Time
6=L.T.E. inv.
7=L.T.V. inv.
8=L.T. inv.
9=IEC Norm. inv.
10=IEC Very inv.
11=IEC inv.
12=IEC Ext. inv.
13=IEC S.T. inv.
14=IEC L.T. inv
15=IEC Def. Time
17=Programmable
18=RI type
19=RD type
Inverse-time and definite-time curve types
(voltage protection)
5=ANSI Def. Time
15=IEC Def. Time
17=Inv. Curve A
18=Inv. Curve B
19=Inv. Curve C
20=Programmable
21=Inv. Curve A
22=Inv. Curve B
23=Programmable
Table 64. Restricted earth fault, low impedance (REF)
Pickup
accuracy
measured: fn ±2Hz
Pickup time 1) 2)
IFault = 2.0 x set Trip value 37 ms 40ms 45 ms
Reset time < 40 ms
where n = 2, 3, 4, 5,…
1)
, fn
= 50 Hz, overvoltage in one phase-to-phase with nominal frequence injected from
2)
3)
Maximum Pickup value = 1.20 x Un
, Pickup value multiples in range of 1.10 to 2.00

ABB
44
Issued: 04.15.2011
Feeder Protection
REF615 ANSI
Product Version 4.0
Table 65. Restricted earth fault, low impedance (REF) main settings
Trip value REF 5...50 % 1
Restraint mode REF None
2nd harmonic
-
Pickup value 2.H REF 10...50 % 1
Minimum trip time REF 40...300000 ms 1
Operation REF Off
On
Table 67. Single-phase undercurrent protection (37) main settings
Pickup value 37 0.01...1.00 x In
0.01
Current block value 37 0.01...0.50 x In
0.01
Operation 37 Off
On
Table 66. Single-phase undercurrent protection (37)
measured: fn
±2Hz
Pickup time Typical < 55 ms
Reset time < 40 ms

ABB 45
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Control functions
Table 68. Autoreclose (79)
Reclose accuracy ±1.0% of the set value or ±20 ms
Table 69. Autoreclose (79) main settings
Reset time 79 0.10...1800.000 s 0.001
Reclose attempts 79 0...7 1
Reclose time 79 0.000...300.00 s 0.001
Enable/disable protection 79 Programmable per reclose
attempt
Table 70. Overexcitation protection (24)
Pickup accuracy + 3.0% of the set value
Pickup time 1), 2) Frequency change:
Typical 200 ms
Voltage change:
Typical < 40 ms
Reset time < 50 ms
Trip time accuracy in definite-time mode ± 1.0% of the set value or + 20 ms
Trip time accuracy in inverse-time mode ± 5.0% of the theoretical value or + 50 ms
Table 71. Overexcitation protection (24) main settings
Pickup value 24 100...200% 1
Curve type 24 Definite-time or Inverse-time curves -
Time multiplier 24 0.1...100 .0 0.1
Trip delay time 24 200...200000 ms 10
1) Results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact

ABB
46
Issued: 04.15.2011
Feeder Protection
REF615 ANSI
Product Version 4.0
Table 72. Frequency protection (81)
Pickup accuracy 81O/81U ±10 mHz
df/dt ±100 mHz/s (in range |df/dt| < 5 Hz/s)
± 2.0% of the set value (in range 5 Hz/s < |df/
dt| < 15 Hz/s)
Pickup time 81O/81U < 80 ms
df/dt < 120 ms
Reset time < 150 ms
Table 73. Frequency protection (81) main settings
Parameter Function Value (range) Step
Operation mode 81 1=81U
2=81O
3=df/dt
4=81U + df/dt
5=81O + df/dt
6=81U or df/dt
7=81O or df/dt
Pickup value 81O 81 0.900...1.200 x Fn
0.001
Pickup value 81U 81 0.800...1.100 x Fn
0.001
Pickup value df/dt 81 -0.200...0.200 x Fn
/s 0.005
Trip time 81O/81U 81 80...200000 ms 10
Trip time df/dt 81 120...200000 ms 10
Table 74. Thermal overload protection, two time constants (T2PTTR)
Pickup accuracy Depending on the frequency of the current
measured: fn ±2 Hz
Current measurement: ±1.5% of the set value
or ±0.002 x In (at currents in the range of
0.01...4.00 x In)
Trip time accuracy ±2.0% of the theoretical value or ±0.50 s

ABB 47
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 75. Load shed and restoration (81LSH)
Pickup accuracy 81U ±10 mHz
df/dt ±100 mHz/s (in range |df/ dt| < 5 Hz/s)
± 2.0% of the set value (in range 5 Hz/s < |df/
dt| < 15 Hz/s)
Start time 81U < 80 ms
df/dt < 120 ms
Reset time < 150 ms
Table 76. Load shed and restoration (81LSH) main settings
Load shed mode 81LSH Freq<
Freq< AND df/dt
Freq< OR df/dt
-
Restore mode 81LSH Disabled
Auto
Manual
-
Pickup value 81U 81LSH 0.800...1.200 x Fn 0.001
Pickup value df/dt 81LSH -0.200...-0.005 x Fn 0.005
Trip time 81U 81LSH 80...200000 ms 10
Trip time df/dt 81LSH 120...200000 ms 10
Restore pickup value 81LSH 0.800...1.200 x Fn 0.001
Restore delay time 81LSH 80...200000 ms 10

ABB
48
Issued: 04.15.2011
Feeder Protection
REF615 ANSI
Product Version 4.0
Table 77. Synchronism check (25)
Pickup accuracy Depending on the frequency of the voltage
measured: fn ±1 Hz
Voltage: ±3.0% of the set value or ±0.01 x Vn
Frequency: ±10 mHz
Phase angle: ±3°
Reset time < 50 ms
Table 78. Synchronism check (25) main settings
Parameter Function Value (Range) Description
Live dead
mode
25 -1=Off
1=Both Dead
2=Live L, Dead B
3=Dead L, Live B
4=Dead Bus, L Any
5=Dead L, Bus Any
6=One Live, Dead
7=Not Both Live
Energizing check mode
Difference voltage 25 0.01...0.50 xUn Maximum voltage difference limit
Difference frequency 25 0.001...0.100 xFn Maximum frequency difference limit
Difference angle 25 5...90 deg Maximum angle difference limit
Synchrocheck mode 25 1=Off
2=Synchronous
3=Asynchronous
Synchrocheck operation mode
Control mode 25 1=Continuous
2=Command
Selection of the synchrocheck command or
continuous control mode
Dead line value 25 0.1...0.8 xUn Voltage low limit line for energizing check
Live line value 25 0.2...1.0 xUn Voltage high limit line for energizing check
Close pulse 25 200...60000 ms Breaker closing pulse duration
Max energizing V 25 0.50...1.15 xUn Maximum voltage for energizing
Phase shift 25 -180...180 deg Correction of phase difference between
measured V_BUS and V_LINE
Minimum Syn time 25 0...60000 ms Minimum time to accept synchronizing
Maximum Syn time 25 100...6000000 ms Maximum time to accept synchronizing
Energizing time 25 100...60000 ms Time delay for energizing check
Closing time of CB 25 40...250 ms Closing time of the breaker

ABB 49
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Measurement functions
Table 79. Three-phase current measurements (IA, IB, IC)
Measurement accuracy Depending on the frequency of the current measured: fn ±2Hz at currents in the range
of 0.01...40 x In
Current: + 0.5% or + 0.002 x In
Phase angle: ± 2.5°
Suppression of har-
monics
DFT: -50dB at f = n x fn, where n = 2, 3, 4, 5,…
RMS: No suppression
Table 81. Three-phase voltage measurements (VA, VB, VC)
Measurement accuracy Depending on the frequency of the voltage measured: fn ±2Hz
(at voltages in range 0.01...1.15 x Vn
)
Voltage: ± 0.5% or + 0.002 x Vn
Phase angle: ± 2.5°
Suppression of har-
monics
DFT: -50dB at f = n x fn
, where n = 2, 3, 4, 5,…
RMS: No suppression
Table 80. Current sequence components (I1, I2, I0)
Measurement accuracy Depending on the frequency of the current measured: f/fn
= ±2Hz
±1.0% or ±0.002 x In
at currents in the range of 0.01...4.00 x In
Suppression of har-
monics
Table 82. Voltage sequence components (V1, V2, V0)
Measurement accuracy Depending on the frequency of the voltage measured: fn
±2Hz at voltages in the range
of 0.01…1.15 x Vn
±1.0% or ±0.002 x Un
Suppression of har-
monics
, where n = 2, 3, 4, 5,…
Table 83. Ground current measurement (IG)
= ±2Hz
±0.5% or ±0.002 x In
at currents in the range of 0.01...4.00 x In
Suppression of har-
monics
RMS: No suppression
Table 84. Ground voltage measurement (VG)
= ±2Hz
±0.5% or ±0.002 x Vn
Suppression of har-
monics
, where n = 2, 3, 4, 5,…
RMS: No suppression

ABB
50
Issued: 04.15.2011
Feeder Protection
REF615 ANSI
Product Version 4.0
Supervision functions
Table 88. Current circuit supervision (CCM)
Trip time 1)
< 30 ms
1)
Including the delay of the output contact
Table 89. Current circuit supervision (CCM) main settings
Parameter Values (Range) Unit Description
Pickup value 0.05...0.20 x In
Minimum trip current dif-
ferential level
Maximum trip current 1.00...5.00 x In
Block of the function at high
phase current
Table 85. Three-phase and single-phase power and energy (P, SP, E, SE)
Measurement accuracy At all three currents in range 0.10…1.20 x In
At all three voltages in range 0.50…1.15 x Vn
At the frequency fn
±1Hz
Active power and energy in range |PF| > 0.71
Reactive power and energy in range |PF| < 0.71
±1.5% for power (S,P and Q)
±0.015 for power factor
±1.5% for energy
Suppression of harmonics DFT: -50dB at f = n x fn
, where n = 2, 3, 4, 5,…
Table 86. Frequency measurement (f)
Description Value
RTD inputs Operation accuracy ±10 mHz (in measurement range 35 - 75 Hz)
Table 87. Power quality sag (dip), swell, interruption measurements (PQSS)
Pickup accuracy ±1.5% of the set value or ±0.2% of the reference voltage
Reset ratio Typical 0.96 (Swell), 1.04 (Sag (dip), Interruption)

ABB 51
Feeder Protection
REF615 ANSI
Product Version 4.0
Issued: 04.15.2011
Table 90. Fuse failure supervision (60)
Trip time 1)
NPS function:
UFault
= 1.1 x set Neg Seq
voltage Lev
UFault
= 5.0 x set Neg Seq
voltage Lev
< 33 ms
< 18 ms
Delta function:
ΔU = 1.1 x set Voltage change
rate
ΔU = 2.0 x set Voltage change
rate
<30 ms
<24 ms
1)
Includes the delay of the signal output contact, fn = 50 Hz, fault voltage with nominal frequency injected from random phase angle, results
based on statistical distribution of 1000 measurements
Table 91. RTD/mA measurement (XRGGIO130)
Description Value
RTD inputs 100 Ω platinum
250 Ω platinum
100 Ω nickel
120 Ω nickel
250 Ω nickel
10 Ω copper
TCR 0.00385 (DIN 43760)
TCR 0.00385
TCR 0.00618 (DIN 43760)
TCR 0.00618
TCR 0.00618
TCR 0.00427
Supported resistance range 0...2 kΩ
Maximum lead resistance (threewire
measurement)
25 Ω per lead
Isolation 2 kV (inputs to protective earth)
Response time <4 s
RTD/resistance sensing current Maximum 0.33 mA rms
Operation accuracy Resistance Temperature
± 2.0% or ±1 Ω ±1°C
10 Ω copper: ±2°C
mA inputs Supported current range 0…20 mA
Current input impedance 44 Ω ± 0.1%
Operation accuracy Resistance
±0.5% or ±0.01 mA

Ref 615

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