8 Technical data
Maschinenfabrik Reinhausen GmbH 2020
227
7545652/00 EN
VACUTAP
®
VR-Ex
8 Technical data
An overview of all key technical data for the on-load tap-changer and motor-
drive unit exists in the form of separate documents, which are available on
request.
8.1 Technical data for on-load tap-changer
8.1.1 On-load tap-changer properties
The VACUTAP® VR on-load tap-changer with M selector is only available
as VACUTAP® VRS and VACUTAP® VRM. The 2-phase and 3-phase vari-
ants are possible only with a max. rated through-current of 700 A.
Electrical data for VACUTAP® VRS I/II/III
On-load tap-changer
VRS I 701
VRS II 702
VRS III 700 Y
VRS I 1001
VRS II 1002
VRS III 1000 Y
VRS I 1301
VRS II 1302
VRS III 1300 Y
VRS I 2622
1)
Maximum rated through-current
I
rm
[A]
700
1 000
1 300
2 600
Rated short-time current [kA]
10
12
16
26
Rated duration of short-circuits [s]
3
3
3
3
Rated peak withstand current [kA]
25
30
40
65
Maximum rated step voltage U
irm
[V]
4 500
4 500
4 500
4 500
Step capacity P
stm
[kVA]
1 500
2)
2 100
2)
1 500
2)
2 100
2)
1 500
2)
2 100
2)
3 000
2)
4 200
2)
Rated frequency [Hz]
50…60
Table 15: Electrical data for VACUTAP® VRS I/II/III
1)
Forced current splitting by two parallel winding branches required. Not for
electrical arc furnace operation.
2)
see step capacity diagram
Electrical data for VACUTAP® VRM I/II/III
On-load tap-changer
VRM I 701
VRM II 702
VRM III 700 Y
VRM I 1001
VRM II 1002
VRM III 1000 Y
VRM I 1301
VRM II 1302
VRM III 1300 Y
VRM I 2622
1)
Maximum rated through-current
I
rm
[A]
700
1 000
1 300
2 600
Rated short-time current [kA]
10
12
16
26
Rated duration of short-circuits [s]
3
3
3
3
