ABB Relion 670 Series Product Manual page 92

Line differential protection RED670 2.0
Product version: 2.0
Monitoring
Table 93. Measurements CVMMXN
Function
Frequency
Voltage
Connected current
Active power, P
Reactive power, Q
Apparent power, S
Power factor, cos (φ)
Table 94. Phase current measurement CMMXU
Function
Current at symmetrical load
Phase angle at symmetrical load
Table 95. Phase-phase voltage measurement VMMXU
Function
Voltage
Phase angle
Table 96. Phase-neutral voltage measurement VNMMXU
Function
Voltage
Phase angle
92
Range or value
(0.95-1.05) × f
r
(0.1-1.5) ×U
r
(0.2-4.0) × I
r
0.1 x U < U < 1.5 x U
r r
0.2 x I < I < 4.0 x I
r r
0.1 x U < U < 1.5 x U
r r
0.2 x I < I < 4.0 x I
r r
0.1 x U < U < 1.5 x U
r r
0.2 x I < I < 4.0 x I
r r
0.1 x U < U < 1.5 x U
r r
0.2 x I < I < 4.0 x I
r r
Range or value
(0.1-4.0) × I
r
(0.1-4.0) × I
r
Range or value
(10 to 300) V
(10 to 300) V
Range or value
(5 to 175) V
(5 to 175) V
Accuracy
± 2.0 mHz
± 0.5% of U at U£U
r r
± 0.5% of U at U > U
r
± 0.5% of I at I £ I
r r
± 0.5% of I at I > I
r
± 1.0% of S at S ≤ S
r r
± 1.0% of S at S > S
r
Conditions:
0.8 x U < U < 1.2 U
r r
0.2 x I < I < 1.2 I
r r
± 0.02
Accuracy
± 0.3% of I at I ≤ 0.5 × I
r r
± 0.3% of I at I > 0.5 × I
r
± 1.0° at 0.1 × I < I ≤ 0.5 × I
r r
± 0.5° at 0.5 × I < I ≤ 4.0 × I
r r
Accuracy
± 0.5% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
± 0.5° at U ≤ 50 V
± 0.2° at U > 50 V
Accuracy
± 0.5% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
± 0.5° at U ≤ 50 V
± 0.2° at U > 50 V
1MRK505310-BEN C
ABB