Hitachi Relion 670 Series Product Manual page 142

Line differential protection RED670
Version 2.2
Table 163. Voltage measurement phase-earth VNMMXU
Function
Voltage
Phase angle
Table 164. Current sequence 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 165. Voltage sequence measurement VMSQI
Function
Voltage positive sequence, U1
Voltage zero sequence, 3U0
Voltage negative sequence, U2
Phase angle
Table 166. 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
142
GUID-ED634B6D-9918-464F-B6A4-51B78129B819 v6
Range or value
(5 to 175) V
(5 to 175) V
GUID-9B8A7FA5-9C98-4CBD-A162-7112869CF030 v5
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
GUID-47094054-A828-459B-BE6A-D7FA1B317DA7 v6
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
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Accuracy
±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
±0.5 degrees at U ≤ 50 V
±0.2 degrees at U > 50 V
Accuracy
±0.3% of I
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
±0.3% of I
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
±0.3% of I
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
±1.0 degrees at 0.1 × I
r
±0.5 degrees at 0.5 × I
r
Accuracy
±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
±0.5 degrees at U ≤ 50 V
±0.2 degrees at U > 50 V
M16080-1 v5
Accuracy
±0.1 % of set value ±0.005 mA
1MRK 505 379-BEN R
r
r
r
r
r
r
< I ≤ 0.5 × I
r
< I ≤ 4.0 × I
r
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