ABB RET670 Product Manual page 78

Transformer protection RET670
Customized
Product version: 1.2
Table 78. Current sequence component measurement CMSQI
Function
Current positive sequence, I1
Three phase settings
Current zero sequence, 3I0
Three phase settings
Current negative sequence, I2
Three phase settings
Phase angle
Table 79. Voltage sequence measurement VMSQI
Function
Voltage positive sequence, U1
Voltage zero sequence, 3U0
Voltage negative sequence, U2
Phase angle
Table 80. Supervision of mA input signals
Function
mA measuring function
Max current of transducer to
input
Min current of transducer to
input
Alarm level for input
Warning level for input
Alarm hysteresis for input
Table 81. Event counter CNTGGIO
Function
Counter value
Max. count up speed
78
Range or value
(0.1–4.0) × I
r
(0.1–1.0) × I
r
(0.1–1.0) × I
r
(0.1–4.0) × I
r
Range or value
(10 to 300) V
(10 to 300) V
(10 to 300) V
(10 to 300) V
Range or value
± 5, ± 10, ± 20 mA
0-5, 0-10, 0-20, 4-20 mA
(-20.00 to +20.00) mA
(-20.00 to +20.00) mA
(-20.00 to +20.00) mA
(-20.00 to +20.00) mA
(0.0-20.0) mA
Range or value
0-10000
10 pulses/s
1MRK 504 117-BEN D
Accuracy
± 0.2% of I at I ≤ 0.5 × I
r r
± 0.2% of I at I > 0.5 × I
r
± 0.2% of I at I ≤ 0.5 × I
r r
± 0.2% of I at I > 0.5 × I
r
± 0.2% of I at I ≤ 0.5 × I
r r
± 0.2% of I at I > 0.5 × I
r
± 0.5° at 0.2 × I < I < 0.5 × I
r
± 0.2° at 0.5 × I ≤ I < 4.0 × I
r
Accuracy
± 0.3% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
± 0.3% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
± 0.3% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
± 0.3° at U ≤ 50 V
± 0.2° at U > 50 V
Accuracy
± 0.1 % of set value ± 0.005 mA
Accuracy
-
-
r
r
ABB