Siemens siprotec SJ62, Руководство пользователя

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4 Technical Data
503
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
4.21 Synchronism and Voltage Check 25 (7SJ64 only)
Operating Modes
Additional Release Conditions
Voltages
Permissible Difference
Circuit breaker
Threshold ASYN / SYN
- Synchrocheck
- Asynchronous / Synchronous
- Live bus / dead line,
- Dead bus / live line,
- Dead bus and dead line
- Bypassing
Maximum operating voltage V
max
20 V to 140 V (phase-to-
phase) Increments 1 V
Minimum operating voltage V
min
20 V to 125 V (phase-to-
phase) Increments 1 V
V< for dead line / dead bus check V<
V> for live line V> 1 V to 60 V (phase-to-
phase)
20 V to 140 V (phase-to-
phase) Increments 1 V
Increments 1 V
Primary transformer rated voltage V2N 0.10 kV to 800.00 kV Increments 0.01 kV
Tolerances 2 % of pickup value or 2 V
Dropout Ratios approx. 0.9 (V>) or 1.1 (V<)
Voltages differences V2>V1; V2<V1
Tolerance 0.5 V to 50.0 V (phase-to-
phase)
1 V Increments 0.1 V
Frequency Difference f2>f1; f2<f1
Tolerance 0.01 Hz to 2.00 Hz
15 mHz Increments 0.01 Hz
Angle Difference
α
2 >
α
1;
α
2 <
α
1 2
°
to 80
°
Increments 1
°
Tolerance 2
°
Max. angle error 5
°
for
Δ
f
≤
1 Hz
10
°
for
Δ
f > 1 Hz
Circuit breaker operating time 0.01 s to 0.60 s Increments 0.01 s
Frequency Difference F
Synchronous
0.01 Hz to 0.04 Hz Increments 0.01 Hz