Thytronic NV10B User Manual

TECHNICAL DATA
19
NV10B - Manual - 04 - 2022
3.9 METERING
More data are available inside Section 5 - MEASURES, LOGIC STATES AND COUNTERS
 Accuracy (type tests)
MEASURE Reference values
Accuracy
Reference values
Accuracy
Phase voltage 0.1 U
n
0.2% 1 U
n
0.03%
Measured residual voltage 0.01 U
En
0.02% 0.1 U
En
0.02%
Calculated residual voltage 0.01 U
ECn
0.5% 0.1 U
ECn
0.3%
Frequency 0.02 U
n
3 mHz 1 U
n
2 mHz
Positive/Negative sequence voltage 0.01 U
n
4% 0.15 U
n
0.3%
Pickup and operate time 1.5 x setting for fist element 5% ± 10 ms 2.5 x setting for other elements 5% ± 10 ms
 Measures
Direct
Frequency (f )
RMS value of fundamental component of the input voltages (U
L1
, U
L2
, U
L3
)
RMS value of fundamental component of the residual voltage (U
E
)
Calculated
Maximum voltage between U
L1
-U
L2
-U
L3
(U
Lmax
)
Average voltage between U
L1
-U
L2
-U
L3
(U
L
)
Calculated residual voltage (U
EC
)
Negative sequence voltage (U
2
)
Third harmonic of residual voltage (U
E-3rd
)
PT100
[1]
Temperature PT1 (T
1
)
Temperature PT2 (T
2
)
Temperature PT3 (T
3
)
Temperature PT4 (T
4
)
Temperature PT5 (T
5
)
Temperature PT6 (T
6
)
Temperature PT7 (T
7
)
Temperature PT8 (T
8
)
Nota 1 La funzione 26 è disponibile nel momento in cui viene abilitato il modulo MPT collegato al relè su Thybus.

Thytronic NV10B Specifications

General

Brand	Thytronic
Model	NV10B
Category	Relays
Language	English