MR VACUTAP VV, Инструкции по установке и вводу в эксплуатацию

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8 Technical data
Maschinenfabrik Reinhausen GmbH 2020 175 4349322/01 EN VACUTAP
®
VV
®
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® VV®
On-load tap-changer VV III 250 Y/D VV III 400 Y/D VV III 600 Y/D VV I 401
2)
Max. rated through-current I
um
[A] 250 400 600 400
Rated short-time current [kA] 6
Rated duration of short-circuits [s] 3
Rated peak withstand current [kA] 15
Max. rated step voltage U
im
[V] 2 000 2 000…1 700
1)
2 000…1 000
1)
2 000…1 700
1)
Max. step capacity P
StN
[kVA] see step capacity diagram
Rated frequency [Hz] 50…60
Number of operating positions Without change-over selector: maximum 12
With change-over selector: maximum 23
With change-over
selector: maxi-
mum 23
1)
See also step capacity diagram
2)
600 A model on request
Table 9: Electrical data for VACUTAP® VV®
Mechanical data for VACUTAP® VV®
On-load tap-changer VV III 40 kV VV III 76 kV VV III 145 kV VV I 76 kV VV III 145 kV
Weight without insulating fluid
[approx., kg] 240 255 280 200 215
Displacement volume [dm
3
] 295 328 405 148 178
Filling quantity V
s
and minimum
oil conservator volume ΔV
1)
[dm
3
]
V
s
ΔV V
s
ΔV V
s
ΔV V
s
ΔV V
s
ΔV
240 30 265 33 325 39 125 16 145 19
Dimensions See dimensional drawings
1)
Applies to insulating fluid temperature ϑ = -30...+100 °C
Table 10: Mechanical data for VACUTAP® VV®
8.1.2 Permissible ambient conditions
Air temperature during operation - 25 °C…+ 50 °C
Oil temperature during operation - 25 °C…+ 105 °C (up to + 115 °C when the transformer is in
emergency operation)