Monitoring
Table 52. Measurements CVMMXN
Function
Range or value
Accuracy
Voltage
(0.1-1.5) ×V
n
±
0.5% of V
n
at V
£
V
n
±
0.5% of V at V > V
n
Connected current
(0.2-4.0) × I
n
±
0.5% of I
n
at I
£
I
n
±
0.5% of I at I > I
n
Active power, P
0.1 x V
n
< V < 1.5 x V
n
0.2 x I
n
< I < 4.0 x I
n
± 1.0% of S
n
at S ≤ S
n
± 1.0% of S at S > S
n
1)
Reactive power, Q
0.1 x V
n
< V < 1.5 x V
n
0.2 x I
n
< I < 4.0 x I
n
± 1.0% of S
n
at S ≤ S
n
± 1.0% of S at S > S
n
1)
Apparent power, S
0.1 x V
n
< V < 1.5 x V
n
0.2 x I
n
< I < 4.0 x I
n
± 1.0% of S
n
at S ≤ S
n
± 1.0% of S at S > S
n
Apparent power, S Three
phase settings
cos phi = 1
± 0.5% of S at S > S
n
± 0.5% of S
n
at S ≤ S
n
Power factor, cos (
φ
)
0.1 x V
n
< V < 1.5 x V
n
0.2 x I
n
< I < 4.0 x I
n
< 0.02
2)
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.
Table 53. Event counter CNTGGIO
Function
Range or value
Accuracy
Counter value
0-10000
-
Max. count up speed
10 pulses/s
-
Breaker protection REQ650 ANSI
1MRK 505 269-BUS -
Product version: 1.1
Issued: April 2011
74
ABB