Thytronic NV10P, Руководство пользователя

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24
24 NV10P - Manual - 01 - 2015 TECHNICAL DATA
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 of three voltage inputs ( f
UL1
, f
UL12
, f
UL13
)
RMS value of fundamental component of the input voltages ( U
L1
, U
L 2
, U
L 3
)
RMS value of fundamental component of the residual voltage ( U
E
)
Calculated
Calculated phase-to-phase voltages ( U
12
, U
23
, U
31
)
Calculated residual current ( U
EC
)
Maximum voltage between U
L1
- U
L2
- U
L3
( U
Lmax
)
Average voltage between U
L1
- U
L2
- U
L3
( U
L
)
Positive sequence voltage ( U
1
)
Negative sequence voltage ( U
2
)
Third harmonic of residual voltage ( U
E-3rd
)
Frequency rate of change ( df/dt )
Medie :
Ten minutes (refresh 3 s) average voltage between U
12
, U
23
, U
31
( U
L1avg
, U
L 2avg
, U
L 3avg
)
Max voltage between U
L1avg
, U
L 2avg
, U
L 3avg
( U
Lavgmax
)
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
)
Note 1 The measures of temperature are available only when the MPT module on Thybus is enabled (eight Pt100 inputs)
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