Siemens 6MD85, Manual

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Dropout Ratio
Min./max. operating limit: 1 % of the setting value
Voltage differential 10 % of the setting value or 0.5 V
De-energized/energized 5 % of the setting value
Frequency difference 3 mHz
Angle difference
0.1 o
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
Technical Data
11.34 Synchronization Function
1178 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017