Table 410:
CMSQI technical data
Function
Range or value
Accuracy
Current positive sequence, I1
Three phase settings
(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
Current zero sequence, 3I0
Three phase settings
(0.1–1.0) × I
n
±
0.3% of I
n
at I ≤ 0.5 × I
n
±
0.3% of I at I > 0.5 × I
n
Current negative sequence, I2
Three phase settings
(0.1–1.0) × 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
(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 411:
VMSQItechnical data
Function
Range or value
Accuracy
Voltage positive sequence, V1
(10 to 300) V
±
0.5% of V at V ≤ 50 V
±
0.2% of V at V > 50 V
Voltage zero sequence, 3V0
(10 to 300) V
±
0.5% of V at V ≤ 50 V
±
0.2% of V at V > 50 V
Voltage negative sequence, V2
(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 degrees at V ≤ 50 V
±
0.2 degrees at V > 50 V
Table 412:
VNMMXU technical data
Function
Range or value
Accuracy
Voltage
(5 to 175) V
±0.5% of V at V ≤ 50 V
±0.2% of V at V > 50 V
Phase angle
(5 to 175) V
±0.5° at V ≤ 50 V
±0.2° at V > 50 V
16.2
Gas medium supervision SSIMG (63)
16.2.1
Functionality
Gas medium supervision SSIMG (63) is used for monitoring the circuit breaker condition.
Binary information based on the gas pressure in the circuit breaker is used as input signals
to the function. In addition, the function generates alarms based on received information.
Section 16
1MRK 511 365-UUS A
Monitoring
518
Phasor measurement unit RES670 2.1 ANSI
Technical manual
Summary of Contents for Relion 670 Series RES670
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