Thytronic Pro-N NVA100X-D

TECHNICAL DATA
17
NVA100X-D - Manual - 02 - 2016
3.6 RATED VALUES AND GENERAL SETTINGS
Rated values
Relay nominal frequency (f
n
) 50, 60 Hz
Relay phase rated current - side H and L (I
nH
and I
nL
) 1 A or 5 A
[1]
Phase CT primary rated current side H and L (I
npH
and I
npL
) 1 A...20 kA
1...499 A (step 1 A)
500...4990 A (step 10 A)
5000...20000 A (step 100 A)
Relay residual rated current - side 1 and 2 (I
En1
and I
En2
) 1 A or 5 A
[1]
Residual CT primary rated current - side 1 and 2(I
Enp1
e I
Enp2
)1 A...20.0 kA
1...499 A (step 1 A)
500...4990 A (step 10 A)
5000...20000 A (step 100 A)
Relay phase to phase rated voltage (U
n
)
[2]
50...130 V (step 1 V)
200...520 V
(step 1 V)
Relay residual rated voltage (measured) (U
En
) 50...130 V
Residual primary rated voltage (phase-to-phase) ∙√3 (U
Enp
) 50 V...500 kV
50 V...500 kV
50...499 V (step 1 V)
500...4990 V (step 10 V)
5000...49900 V (step 100 V)
50000...500000 V (step 1000 V)
Relay calculated residual rated voltage (U
ECn
) U
ECn
= U
n
· √3 = 3 · E
n
Relay phase to ground rated voltage (E
n
) E
n
= U
n
/ √3
Line VT primary rated voltage (phase-to-phase) (U
np
) 50 V...500 kV
50...499 V (step 1 V)
500...4990 V (step 10 V)
5000...49900 V (step 100 V)
50000...500000 V (step 1000 V)
Relay rated active power (P
n
) P
n
= √3 ∙ U
n
∙ I
n
= 3 ∙ E
n
∙ I
n
Relay rated reactive power (Q
n
) Q
n
= √3 ∙ U
n
∙ I
n
= 3 ∙ E
n
∙ I
n
Relay rated apparent power (S
n
) S
n
= √3 ∙ U
n
∙ I
n
= 3 ∙ E
n
∙ I
n
Relay rated impedance (Z
n
) Z
n
= U
n
/I
nL
Relay rated phase impedance (Z
nf
) Z
nf
= E
n
/I
nL
Rated current of the protected object (I
ng
) 1 A...20 kA
1...499 A (step 1 A)
500...4990 A (step 10 A)
5000...20000 A (step 100 A)
Primary nominal current chosen as reference (I
nref
)
[3]
- (set by device)
Side reference for compensation (Refsize)
[2]
- (set by device)
Current matching type (MatchType) INTERNAL/EXTERNAL
Protected object by differential protection (ProtObj) Motor-Generator-Transformer
Transformer data (87T element)
Transformer rated power (S
nt
) 0.01...1000.00 MVA (step 0.01 MVA)
Transformer rated voltage side H and L (V
ntH
, V
ntL
) 0.200...500.00 kV
0.200...0.999 kV (step 0.001 kV)
1.00...500.00 kV (step 0.01 kV)
Transformer rated current side H (I
ntH
)
[3]
- (set by device)
Transformer mismatching factor side H (m
H
)
[3]
- (set by device)
Transformer base current side H (I
BH
)
[3]
- I
nH
Transformer grounding side H (G
ndH
) In/Out
Transformer connection side H (C
onnH
) Y/D/Z
Transformer vector group side H (VectGroup
H
) 0
Transformer rated current side L (I
ntL
)
[3]
- (set by device)
Transformer mismatching factor side L (m
L
)
[3]
- (set by device)
Transformer base current side L (I
BL
)
[3]
- I
nL
Transformer grounding side L (G
ndL
) In/Out
Transformer connection side L (C
onnL
) y/d/z
Transformer vector group side L (VectGroup
L
) 0-1-2-...11
Binary inputs
OFF/ON delay time (IN1 t
ON
, INx t
ON
) 0.10...100.0 s
0.10...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
ON/OFF delay time (IN1 t
OFF
, INx t
OFF
) 0.10...100.0 s
0.10...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Logic Active-ON/Active-OFF
Note 1 The nominal current settings doesn’t concern the protection elements; they must agree setting (1 A or 5 A)
Note 2 The setting ranges of the relay rated voltage U
R
are dependent on the purchased version (100 V or 400 V)
Nota 3 Calculated by relay
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