56
NVA100X-D - Manual - 02 - 2016
FUNCTION CHARACTERISTICS
Use of measured signals
—
f
i
L1(
L
),
i
L2
(L
)
,
i
L3
(L
)
I
L1(
L
),
I
L2
(L
)
,
I
L3
(L
)
I
L1(
H
),
I
L2
(H
)
,
I
L3
(H
)
I
L1-
2
n
d
,
I
L2
-2
n
d
,
I
L3
-2
n
d
i
E1
,
i
E2
I
E1
,
I
E2
I
ECH
,
I
ECL
I
1
I
2
u
L1
,
u
L2
,
u
L3
U
L1
,
U
L2
,
U
L3
U
12
,
U
23
,
U
31
u
E
U
E
U
1
U
2
U
EC
P, Q, S
E
Bin
a
ry
inpu
ts
I
N
1-
1...
I
N2-
16
ST
ART Relays KC1-1...KC2-8
TRIP Relays KC1-1...KC2-8
ST
ART LEDs L1...L5,L1-1...L1-8
TRIP LEDs L1...L5,L1-1...L1-8
Selective block input
BLIN1
Selective block output
Cold Load Pickup (CLP)
Second harmonic restraint
Logic block - BLOCK1
Selective block - BLOCK2
PROTECTIVE ELEMENTS
Underimpedance (21)
g
g
g g g g
g
Undervoltage (27)
g g
g g g g
g
Positive sequence undervoltage (27V1)
g
g g g g
g
Directional active overpower (32P)
g
g g g g
g
Undercurrent (37)
g
g g g g
g
Directional active underpower (37P)
g
g g g g
g
Loss of field (40)
g
g
g g g g
g
Negative sequence overcurrent (46M-G)
g
g g g g g g
g
Thermal image (49MG)
g
g g
g g g g g g g g g g
Phase overcurrent (50/51)
g
g g g g g g g g g g
Voltage restrained overcurrent (51V)
g
g
g g g g g g
g g
Residual overcurrent (50N.1/51N.1, 50N.2/51N.2)
g
g g g g g g g g g g
Residual overcurrent (50N/51NComp)
g g
g g g g g g g g g g
Minimum power factor (55)
g
g g g g
g
Overvoltage (59)
g g
g g g g g g
g
Residual overvoltage (59N)
g
g g g g g g
g
Negative sequence overvoltage (59V2)
g
Low impedance restricted earth fault (64REF)
g
g
g g g g g g g g g g
Directional earth fault overcurrent (67N)
g
g
g
g g g g g g g
g g
Directional earth fault overcurrent (67NComp)
g
g
g
g
g g g g
g
Under/overfrequency (81U/81O)
g
g g g g
g
Compensated differential (87G-87M-87T)
g
g g
g g g g
g
Breaker failure (BF)
g
g
g g g g g
g
CONTROL and MONITORING
Maximum number of startings (66)
g
g g g g
g
Automatic reclosure
g g g g g
CT Monitoring (74CT)
g
g
VT Monitoring(74VT)
g
g
g g
g
g
Trip Circuit Supervision (TCS)
g
Second harmonic restraint (2NDH-REST)
g
MEASURES
Frequency
g
g
Phase currents
g g
Measured residual current
g
Positive sequence current
g
Negative sequence current
g
Thermal image
g
Phase voltages
g
Phase-to-phase voltages
g
Residual voltage
g
Negative sequence voltage
g
Active power
g
Reactive power
g
Apparent power
g
Phase current /phase voltage displacement
g
g
Power factor
g
g
Reactive energy
g
EVENT RECORDER
Event 0
g g g g g
Event ...299
g g g g g
FAULT RECORDER
Fault 0
g
g
g g
g
g
g g g g g
Fault ...
g
g
g g
g
g
g g g g g
Fault 19
g
g
g g
g
g
g g g g g
OSCILLOGRAPHY
Record 1
g g g
g g g
g g g
g g
g g g g g
g
Record ...
g g g
g g g
g g g
g g
g g g g g
g
Note: the acquired measurements on the L side are used for all protective elements with the exception of differential (87) and phase overcurrent (50/51)
protections that also employ current measurements acquired on the H