ABB ret650, Руководство по эксплуатации продукта

Страница: 52 / 70

Monitoring
Table 52. Technical data covering measurement functions: CVMMXN, CMMXU, VMMXU, CMSQI, VMSQI, VNMMXU
Function Range or value Accuracy
Voltage (0.1-1.5) ×U
r
± 0.5% of U
r
at U £ U
r
±
0.5% of U at U > U
r
Connected current (0.2-4.0) × I
r
±
0.5% of I
r
at I
£
I
r
± 0.5% of I at I > I
r
Active power, P 0.1 x U
r
< U < 1.5 x U
r
0.2 x I
r
< I < 4.0 x I
r
± 1.0% of S
r
at S ≤ S
r
± 1.0% of S at S > S
r
Reactive power, Q 0.1 x U
r
< U < 1.5 x U
r
0.2 x I
r
< I < 4.0 x I
r
± 1.0% of S
r
at S ≤ S
r
± 1.0% of S at S > S
r
Apparent power, S 0.1 x U
r
< U < 1.5 x U
r
0.2 x I
r
< I < 4.0 x I
r
± 1.0% of S
r
at S ≤ S
r
± 1.0% of S at S > S
r
Apparent power, S Three phase
settings cos phi = 1 ± 0.5% of S at S > S
r
± 0.5% of S
r
at S ≤ S
r
Power factor, cos (φ) 0.1 x U
r
< U < 1.5 x U
r
0.2 x I
r
< I < 4.0 x I
r
< 0.02
Table 53. Event counter CNTGGIO
Function Range or value Accuracy
Counter value 0-100000 -
Max. count up speed 10 pulses/s (50% duty cycle) -
Table 54. Limit counter L4UFCNT
Function Range or value Accuracy
Counter value 0-65535 -
Max. count up speed 5-160 pulses/s -
Transformer protection RET650 1MRK 504 137-BEN B
Product version: 1.3
52 ABB