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4.6
Synchrocheck 25
Modes of Operation
- Synchrocheck
Additional Release Conditions
- Live bus / dead line,
- Dead bus / live line,
- Dead bus and dead line
- Bypassing
Voltages
Maximum operating voltage V
Minimum operating voltage V
V< for dead line
V> for live line
Primary transformer rated voltage V2N
Tolerances
Dropout Ratios
Permissible Difference
Voltages differences V2>V1; V2<V1
Tolerance
Frequency Difference f2>f1; f2<f1
Tolerance
Angle Difference α2 > α1; α2 < α1
Tolerance
Max. angle error
Matching
Vector group matching via angle
Different voltage transformer V1/V2
Times
Minimum Measuring Time
Maximum duration T
Monitoring Time T
Tolerance of all times
Measured Values of the Synchronism and Voltage Check
Reference voltage V1
- Range
- Tolerance
1)
SIPROTEC 4, 7RW80, Manual
C53000-G1140-C233-4, Edition 07.2018
max
min
SYN DURATION
SUP VOLTAGE
20 V to 140 V (phase-to-phase) Increments 1 V
20 V to 125 V (phase-to-phase) Increments 1 V
1 V to 60 V (phase-to-phase)
20 V to 140 V (phase-to-phase)
0.10 kV to 800.00 kV
2 % of pickup value or 2 V
approx. 0.9 (V>) or 1.1 (V<)
0.5 V to 50.0 V (phase-tophase)
1 V
0.01 Hz to 2.00 Hz
20 mHz
2° to 80°
2°
5° for Δf ≤ 1 Hz
10° for Δf >1 Hz
0° to 360°
0.50 to 2.00
approx. 80 ms
0.01 s to 1200.00 s
or ∞ (disabled)
0.00 s to 60.00 s
1 % of setting value or 10 ms
in kV primary, in V secondary or in % V
10 % to 120 % of V
Nom
≤ 1 % of measured value, or 0,5 % V
Technical Data
4.6 Synchrocheck 25
Increments 1 V
Increments 1 V
Increments 0.01 kV
Increments 0.1 V
Increments 0.01 Hz
Increments 1°
Increments 1°
Increments 0.01
Increments 0.01 s
Increments 0.01 s
Nom
Nom
175
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