ABB Relion 650 series RET650 Product Manual page 63

Transormer protection
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ABB
Transformer protection RET650
Product version: 1.1
Table 43. Configurable logic blocks
Logic block
Quantity with cycle time
5 ms
AND
60
OR
60
XOR
10
INVERTER
30
SRMEMORY
10
RSMEMORY
10
GATE
10
PULSETIMER
10
TIMERSET
10
LOOPDELAY
10
Monitoring
Table 44. Measurements CVMMXN
Function
Voltage
Connected current
Active power, P
Reactive power, Q
Apparent power, S
Apparent power, S Three
phase settings
Power factor, cos (φ)
1)
Accuracy valid for 50 Hz. At 60 Hz both accuracies are ±2.0%
2)
Accuracy valid for 50 Hz. At 60 Hz the accuracy is <0.04.
Range or value
20 ms
100 ms
-
60
160
60
160
-
10
20
-
30
80
-
10
20
-
10
20
-
10
20
-
10
20
(0.000–90000.000) s
10
20
(0.000–90000.000) s
10
20
Range or value
(0.1-1.5) ×U
r
(0.2-4.0) × I
r
0.1 x U
< U < 1.5 x U
r
r
0.2 x I
< I < 4.0 x I
r
r
0.1 x U
< U < 1.5 x U
r
r
0.2 x I
< I < 4.0 x I
r
r
0.1 x U
< U < 1.5 x U
r
r
0.2 x I
< I < 4.0 x I
r
r
cos phi = 1
0.1 x U
< U < 1.5 x U
r
r
0.2 x I
< I < 4.0 x I
r
r
1MRK 504 127-BEN -
Issued: February 2011
Accuracy
-
-
-
-
-
-
-
± 0.5% ± 25 ms
± 0.5% ± 25 ms
Accuracy
± 0.5% of U
at U£U
r
r
± 0.5% of U at U > U
r
± 0.5% of I
at I £ I
r
r
± 0.5% of I at I > I
r
± 1.0% of S
at S ≤ S
r
r
± 1.0% of S at S > S
r
± 1.0% of S
at S ≤ S
r
r
± 1.0% of S at S > S
r
± 1.0% of S
at S ≤ S
r
r
± 1.0% of S at S > S
r
± 0.5% of S at S > S
r
± 0.5% of S
at S ≤ S
r
r
2)
< 0.02
1)
1)
63

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