Siemens SIPROTEC 7SJ62 - Page 525

Technical Data
4.22 Synchronization Function
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
525
Times
Measured Values of the Synchronism and Voltage Check
1)
at nominal frequency
Minimum Measuring Time Approx. 80 ms
Maximum Duration T
SYN DURATION
0.01 s to 1200.00 s
or ∞ (disabled)
Increments 0.01 s
Monitoring Time T
SUP VOLTAGE
0.00 s to 60.00 s Increments 0.01 s
Closing time of CB T
CB close
0.00 s to 60.00 s Increments 0.01 s
Tolerance of All Timers 1 % of setting value or 10 ms
Reference voltage V1
- Range
- Tolerance
1)
in kV primary, in V secondary or in % of V
Nom
10 % to 120 % of V
Nom
≤ 1 % of measured value, or 0.5 % of V
Nom
Voltage to be synchronized V2
- Range
- Tolerance
1)
in kV primary, in V secondary or in % of V
Nom
10 % to 120 % of V
Nom
≤ 1 % of measured value, or 0.5 % of V
Nom
Frequency of voltage V1
- Range
- Tolerance
1)
f1 in Hz
f
Nom
± 5 Hz
20 mHz
Frequency of voltage V2
- Range
- Tolerance
1)
f2 in Hz
f
Nom
± 5 Hz
20 mHz
Voltage differences V2-V1
- Range
- Tolerance
1)
in kV primary, in V secondary or in % of V
Nom
10 % to 120 % of V
Nom
≤ 1 % of measured value, or 0.5 % of V
Nom
Frequency difference f2-f1
- Range
- Tolerance
1)
in mHz
f
Nom
± 5 Hz
20 mHz
Angle difference λ2-λ1
- Range
- Tolerance
1)
in °
0 to 180°
0.5°
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