Function
Range or value
Accuracy
Active power, P
(10 to 300) V
(0.1-4.0) x I
n
±
0.5% of S
n
at S
≤
0.5 x S
n
±
0.5% of S at S
>
0.5 x S
n
(100 to 220) V
(0.5-2.0) x I
n
cos
φ
<
0.7
±
0.2% of P
Reactive power, Q
(10 to 300) V
(0.1-4.0) x I
n
±
0.5% of S
n
at S
≤
0.5 x S
n
±
0.5% of S at S
>
0.5 x S
n
(100 to 220) V
(0.5-2.0) x I
n
cos
φ
>
0.7
±
0.2% of Q
Apparent power, S
(10 to 300) V
(0.1-4.0) x I
n
±
0.5% of S
n
at S
≤
0.5 x S
n
±
0.5% of S at S
>
0.5 x S
n
(100 to 220) V
(0.5-2.0) x I
n
±
0.2% of S
Power factor, cos (
φ
)
(10 to 300) V
(0.1-4.0) x I
n
<
0.02
(100 to 220) V
(0.5-2.0) x I
n
<
0.01
Table 408:
CMMXU technical data
Function
Range or value
Accuracy
Current at symmetrical load
(0.1-4.0) × I
n
±0.3% of I
n
at I ≤ 0.5 × I
n
±0.3% of I at I > 0.5 × I
n
Phase angle at symmetrical load
(0.1-4.0) × I
n
±1.0 degrees at 0.1 × I
n
< I ≤ 0.5 ×
I
n
±0.5 degrees at 0.5 × I
n
< I ≤ 4.0 ×
I
n
Table 409:
VMMXU technical data
Function
Range or value
Accuracy
Voltage
(10 to 300) V
±0.5% of V at V ≤ 50 V
±0.2% of V at V > 50 V
Phase angle
(10 to 300) V
±0.5° at V ≤ 50 V
±0.2° at V > 50 V
1MRK 511 365-UUS A
Section 16
Monitoring
Phasor measurement unit RES670 2.1 ANSI
517
Technical manual
Summary of Contents for Relion 670 Series RES670
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