MR VACUTAP VM I 1002, Operating Instructions Manual, Page: 61 / 82

8 Technical data
Maschinenfabrik Reinhausen GmbH 2020 61 4360571/02 EN VACUTAP
®
VM
®
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
Electrical data for VACUTAP® VM I
On-load tap-changer VM I 651 VM I 802 VM I 1002 VM I 1203 VM I 1503
Max. rated through-current I
rm
[A] 650 800 1,000 1,200 1,500
Rated short-time current [kA] 6.5 8 10 12 15
Rated duration of short-circuits [s] 3
Rated peak withstand current [kA] 16.25 20 25 30 37.5
Max. rated step voltage U
irm
[V]
1)
3,300
Step capacity P
StN
[kVA] 1,625 2,600 2,600 3,500 3,500
Rated frequency [Hz] 50...60
Table 8: Electrical data for VACUTAP® VM I
1)
The maximum rated step voltage may be exceeded by 10% due to overex-
citation of the transformer if the step capacity is limited to its rated value.
Electrical data for VACUTAP® VM II
On-load tap-changer VM II 652
Max. rated through-current I
rm
[A] 650
Rated short-time current [kA] 6.5
Rated duration of short-circuits [s] 3
Rated peak withstand current [kA] 16.25
Max. rated step voltage U
irm
[V]
1)
3,300
Step capacity P
StN
[kVA] 1,625
Rated frequency [Hz] 50...60
Table 9: Electrical data for VACUTAP® VM II
1)
The maximum rated step voltage may be exceeded by 10% due to overex-
citation of the transformer if the step capacity is limited to its rated value.