4 Technical Data
436
7UT613/63x Manual
C53000-G1176-C160-2
Harmonic Restraint (Transformers)
Operating Times (Transformers)
Conditioning for Transformers
Operating Range Frequency (Transformers)
Inrush restraint ratio
(2nd harmonic) I
2fN
/I
fN
10 % to 80 %
see also Figure 4-24-2
Steps 1 %
Restraint ratio further (n-th) harmonic
(either 3rd or 5th) I
nfN
/I
fN
10 % to 80 %
see also Figure 4-3
Steps 1 %
Crossblock function can be activated / deacti-
vated
Max. action time for crossblock 2 to 1000 AC cycles
or 0 (crossblock deactivat-
ed)
or ∞ (active until dropout)
Steps 1 cycle
Pickup time / dropout time with single-side infeed
Pickup time at frequency 50 Hz 60 Hz 16.7 Hz
I
Diff
> min
high-speed relays 30 ms 27 ms 78 ms
high-speed relays 25 ms 22 ms 73 ms
I
Diff
>>
min
high-speed relays 11 ms 11 ms 20 ms
high-speed relays 6 ms 6 ms 15 ms
Dropout time, approx. 54 ms 46 ms 150 ms
Dropout ratio approx. 0.7
Matching of vector group 0 to 11 (x 30°) Steps 1
Starpoint conditioning earthed or non-earthed
(for each winding)
Frequency influence within the frequency tagging range see Figure