AND
a
b
b>a
Selected voltage
PickupVolt_UV1
Operation_UV1=On
BLKUV1
Inverse time
selected
en05000752_ansi.vsd
Inverse
0-DEF
DEF time
selected
OR
PU_UV1
TRUV1
AND
BLKTRUV1
0
ANSI05000752 V1 EN-US
Figure 124:
Simplified internal logic diagram for built-in first undervoltage step UV1 (step UV2 has the same
internal logic)
11.1.7
Technical data
M13095-2 v8
Table 193:
CVGAPC technical data
Function
Range or value
Accuracy
Measuring current input
Phase A, Phase B, Phase C,
PosSeq, -NegSeq, -3*ZeroSeq,
MaxPh, MinPh, UnbalancePh,
Phase A-Phase B, Phase B-Phase
C, Phase C-Phase A, MaxPh-Ph,
MinPh-Ph, UnbalancePh-Ph
-
Measuring voltage input
Phase A, Phase B, Phase C,
PosSeq, -NegSeq, -3*ZeroSeq,
MaxPh, MinPh, UnbalancePh,
Phase A-Phase B, Phase B-Phase
C, Phase C-Phase A, MaxPh-Ph,
MinPh-Ph, UnbalancePh-Ph
-
Pickup overcurrent, step 1 - 2
(2 - 5000)% of IBase
±1.0% of I
n
at I ≤ I
n
±1.0% of I at I > I
n
Pickup undercurrent, step 1-2
(2 - 150)% of IBase
±1.0% of I
n
at I ≤ I
n
±1.0% of I at I > I
n
Independent time delay, overcurrent at 0
to 2 x I
set
, step 1 - 2
(0.00 - 6000.00) s
±0.2% or ±35 ms
whichever is greater
Independent time delay, undercurrent at
2 x I
set
to 0, step 1 - 2
(0.00 - 6000.00) s
±0.2% or ±35 ms
whichever is greater
Overcurrent (non-directional):
Table continues on next page
1MRK 511 408-UUS A
Section 11
Multipurpose protection
Phasor measurement unit RES670 2.2 ANSI
351
Technical manual
Содержание Relion RES670
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