24
Technical data
Synchro-check function
Upper threshold voltage U
max
Setting range
0.5...1.0 x U
n
Resolution
0.01 x U
n
Voltage difference
∆
U
Setting range
0.02...0.4 x U
n
Resolution
0.01 x U
n
Frequency difference
∆
f
Setting range
0.02...0.5 Hz
Resolution
0.01 Hz
Phase angle difference
∆ϕ
Setting range
5...50
°
Resolution
1
°
Measuring time when the energizing voltages U1, U2
and U3 increase from 0 V to 1 x U
n
, fixed value
160 ms
±
20 ms
Rated frequency f
n
50/60 Hz
Frequency range
45...65 Hz
Reset time
<120 ms
Operation accuracy
- Voltage difference
∆
U
±
3% of set value or
±
0.02 x U
n
- Frequency difference
∆
f
±
0.02 Hz
- Phase angle difference
∆ϕ
±
2
°
Measuring of frequency and phase angle difference
measurable when the voltage
>0.15 x U
n
Voltage-check function
Upper threshold voltage U
max
,
the same as for synchro-check function
Setting range
0.5...1.0 x U
n
Resolution
0.01 x U
n
Lower threshold voltage U
min
Setting range
0.1...0.8 x U
n
Resolution
0.01 x U
n
Selectable energizing directions
Stage 1:
both "cold" or U1
→
U3 or U1
←
U3
U1
→
U3
U1
←
U3
U1
→
U3 or U1
←
U3
Stage 2:
both "cold" or U2
→
U3 or U2
←
U3
U2
→
U3
U2
←
U3
U2
→
U3 or U2
←
U3
Operate time ("dead-time") t
VC
Setting range
0.1...20 s
Operate time accuracy
±
2% of set value or
±
25 ms
Reset time
<120 ms
Operation accuracy
±
3% of set value or
±
0.02 x U
n
Command mode operation
Length of CB closing signal, t
pulse
Setting range
0.2...20 s
Check time for closing operation, t
check
Setting range
0.05...300 s
Operate time of CB for stage 1, t
CB13
Setting range
0.05...0.25 s
Operate time of CB for stage 2, t
CB23
Setting range
0.05...0.25 s