ABB RELION 670 Series Technical Manual page 1047

Generator protection
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1MRK 502 066-UUS B
Table 751: CMMXU technical data
Function
Current at symmetrical load
Phase angle at symmetrical
load
Table 752: VMMXU technical data
Function
Voltage
Phase angle
Table 753: CMSQI technical data
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 754: VMSQItechnical data
Function
Voltage positive sequence, V1
Voltage zero sequence, 3V0
Voltage negative sequence, V2
Phase angle
Technical manual
Range or value
(0.1-4.0) × I
n
(0.1-4.0) × I
n
Range or value
(10 to 300) V
(10 to 300) V
Range or value
(0.1–4.0) × I
n
(0.1–1.0) × I
n
(0.1–1.0) × I
n
(0.1–4.0) × I
n
Range or value
(10 to 300) V
(10 to 300) V
(10 to 300) V
(10 to 300) V
GUID-5E04B3F9-E1B7-4974-9C0B-DE9CD4A2408F v5
Accuracy
±0.3% of I
at I ≤ 0.5 × I
n
n
±0.3% of I at I > 0.5 × I
n
±1.0 degrees at 0.1 × I
< I ≤ 0.5 × I
n
±0.5 degrees at 0.5 × I
< I ≤ 4.0 × I
n
GUID-374C2AF0-D647-4159-8D3A-71190FE3CFE0 v4
Accuracy
±0.5% of V at V ≤ 50 V
±0.2% of V at V > 50 V
±0.5° at V ≤ 50 V
±0.2° at V > 50 V
GUID-9B8A7FA5-9C98-4CBD-A162-7112869CF030 v4
Accuracy
±0.3% of I
at I ≤ 0.5 × I
n
n
±0.3% of I at I > 0.5 × I
n
±0.3% of I
at I ≤ 0.5 × I
n
n
±0.3% of I at I > 0.5 × I
n
±0.3% of I
at I ≤ 0.5 × I
n
n
±0.3% of I at I > 0.5 × I
n
±1.0 degrees at 0.1 × I
< I ≤ 0.5 × I
n
±0.5 degrees at 0.5 × I
< I ≤ 4.0 × I
n
GUID-47094054-A828-459B-BE6A-D7FA1B317DA7 v6
Accuracy
±0.5% of V at V ≤ 50 V
±0.2% of V at V > 50 V
±0.5% of V at V ≤ 50 V
±0.2% of V at V > 50 V
±0.5% of V at V ≤ 50 V
±0.2% of V at V > 50 V
±0.5 degrees at V ≤ 50 V
±0.2 degrees at V > 50 V
Section 16
Monitoring
n
n
n
n
1041

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