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Siemens SIPROTEC 5 6MU85 Manual page 98

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Measured Values of the Synchronization Function
Reference voltage V1
Range
Tolerance at rated frequency
Voltage to be synchronized V2
Range
Tolerance at rated frequency
Frequency of the voltage V1f1
Range
Tolerance at rated frequency
Frequency of the voltage V1f2
Range
Tolerance at rated frequency
Voltage difference V2-V1
Range
Tolerance at rated frequency
Frequency difference f2-f1
Range
Tolerance at rated frequency
Angle difference λ2-λ1
Range
Tolerance at rated frequency
Times
Measuring time, after switching on the variables
Operating Range
Voltage
Frequency
Tolerances
Tolerances of the voltage settings
Voltage difference V2>V1; V2<V1
Frequency difference f2>f1; f2<f1
Angle difference α2>α1; α2<α1
Tolerance of all time settings
Max. phase displacement angle
SIPROTEC 5, Merging Unit 6MU85, Manual
C53000-G5040-C074-1, Edition 01.2020
12.35 Synchronization Function
In kV primary, in V secondary or in % V
Display always as phase-to-phase voltage
10 % to 120 % of V
rated
≤ 1 % of the measured value or 0.5 % V
In kV primary, in V secondary or in % V
Display always as phase-to-phase voltage
10 % to 120 % of V
rated
≤ 1 % of the measured value or 0.5 % V
f1 in Hz
25 Hz ≤ f ≤ 70 Hz
1 mHz
f2 in Hz
25 Hz ≤ f ≤ 70 Hz
1 mHz
In kV primary, in V secondary or in % V
Display always as phase-to-phase voltage in relation
to side 1
10 % to 120 % of V
rated
≤ 1 % of the measured value or 0.5 % V
In mHz
f
± 10 %
rated
1 mHz
In
o
-180
o
to +180
o
0.5
o
Approx. 80 ms
20 V to 340 V
f
- 4 Hz ≤ f
rated
2 % of the pickup value or 1 V
1 V
10 mHz
1
o
10 ms
5
o
for Δf ≤ 1 Hz
10
o
for Δf > 1 Hz
Technical Data
rated
rated
rated
rated
rated
rated
≤ f
+ 4 Hz
rated
rated
875

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