Siemens SIPROTEC 5 6MU85 - Page 98

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