ABB Relion 670 Series Product Manual page 73

Line differential protection RED670 2.0
Product version: 2.0
Table 58. Overexcitation protection OEXPVPH
Function
Operate value, start
Operate value, alarm
Operate value, high level
Curve type
Minimum time delay for inverse
function
Maximum time delay for inverse
function
Alarm time delay
Table 59. Voltage differential protection VDCPTOV
Function
Voltage difference for alarm and
trip
Under voltage level
Independent time delay for
voltage differential alarm at 0.8 to
1.2 x UDAlarm
Independent time delay for
voltage differential trip at 0.8 to 1.2
x UDTrip
Independent time delay for
voltage differential reset at 1.2 to
0.8 x UDTrip
Table 60. Loss of voltage check LOVPTUV
Function
Operate voltage
Pulse timer when disconnecting
all three phases
Time delay for enabling the
functions after restoration
Operate time delay when
disconnecting all three phases
Time delay to block when all three
phase voltages are not low
ABB
Range or value
(100–180)% of ( UBase /f )
rated
(50–120)% of start level
UBase /f
(100–200)% of ( )
rated
IEEE or customer defined
×
(0.18 ) k
=
IEEE t :
- 2
( M 1)
(Equation 2)
EQUATION1319 V1 EN
where M = (E/f)/(Ur/fr)
(0.000–60.000) s
(0.00–9000.00) s
(0.00–9000.00)
Range or value
UBase
(2.0–100.0) % of
UBase
(1.0–100.0) % of
(0.000–60.000)s
(0.000–60.000)s
(0.000–60.000)s
Range or value
(1–100)% of UBase
(0.050–60.000) s
(0.000–60.000) s
(0.000–60.000) s
(0.000–60.000) s
Accuracy
± 0.5% of U
± 0.5% of U at U ≤ U
r r
± 0.5% of U at U > U
r
± 0.5% of U
± 5.0 % or ± 45 ms, whichever is greater
± 1.0% or ± 45 ms, whichever is greater
± 1.0% or ± 45 ms, whichever is greater
± 1.0% or ± 45 ms, whichever is greater
Accuracy
±0.5% of U
r
±0.5% of U
r
±0.2% or ±40 ms whichever is greater
±0.2% or ±40 ms whichever is greater
±0.2% or ±40 ms whichever is greater
Accuracy
±0.5% of U
r
±0.2% or ±15 ms whichever is greater
±0.2% or ±35 ms whichever is greater
±0.2% or ±35 ms whichever is greater
±0.2% or ±35 ms whichever is greater
1MRK505310-BEN C
73