MR VACUTAP VR-Ex, Инструкции по установке и вводу в эксплуатацию

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8 Technical data
Maschinenfabrik Reinhausen GmbH 2020 229 7545652/00 EN VACUTAP
®
VR-Ex
Maximum rated step voltage
U
irm
[V]
6 000 6 000 6 000 12 000
2)
12 000
2)
Step capacity P
stm
[kVA] 3 000 6 000 12 000 6 000 12 000
Rated frequency [Hz] 50…60
Table 18: Electrical data for VACUTAP® VRH/VRX I/II/III
1)
Forced current splitting by two parallel winding branches required. Not for
electrical arc furnace operation.
2)
Double the number of windings needed
Mechanical data for VACUTAP® VR
Number of operating positions Without change-over selector: maximum 18
With change-over selector: maximum 35
With multiple coarse change-over selector: maximum 107
Number of equipped sectors 1…3
Selector sizes R selectors: RC, RD, RDE, RE, RF, RES
M selectors: B, C, D, DE
Dimensions See dimensional drawings [ ► Section 9.1, Page 234]
Weight
Displacement and oil volume
Table 19: Mechanical data for VACUTAP® VR
8.1.2 Permissible ambient conditions
Air temperature during operation -25°C…+50°C
Temperature of the insulating fluid in operation Insulating fluid in accordance with IEC 60296: -25°C…+105°C
(when the transformer is in emergency operation based on IEC
60076-7, up to +110°C in accordance IEC 60214-1)
Synthetic ester liquid in accordance with IEC 61099: -15°C…
+105°C (when the transformer is in emergency operation, up to
+115°C)
Transport temperature, storage temperature -40°C…+50°C
Drying temperatures See installation and commissioning instructions, "Assembly"
chapter
Compressive strength See technical data TD 61 – General Section
Alternative insulating fluids Synthetic ester liquid (IEC 61099) on request
Installation height of the oil conservator See technical data TD 61 – General Section
Installation height above sea level See technical data TD 61 – General Section
Table 20: Permissible ambient conditions