VACUTAP® VR®
The VACUTAP® VR® type family offers a real alternative to the on-load tap-changers from our extensive OILTAP® R/RM and M program.
The VACUTAP® VR® is the world’s first on-load tap-changer which is maintenance-free up to 300,000 switching operations. Since its maintenance is no time-dependent, your transformer has much less downtime.
In addition, you take advantage of the many possible applications of the VACUTAP® VR®. It is the first choice for auto transformers, HVDC transformers and many other applications.
Technical Data
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Max. rated through-current single-phase
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1,300 A or 2,600 A*
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Max. rated through-current three-phase
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1,300 A
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Max. rated step voltage
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6,000 V**
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Max. rated step capacity single-phase
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6.000 kVA or 12.000 kVA**
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Max. rated step capacity three-phase
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6.000 kVA
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Highest voltage for equipment Um:
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72,5 – 420 kV
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Application at neutral point (three-phase) or at any selectable winding position
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Operating positions without change-over selector
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18 max.
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Operating positions with change-over selector 35 max.
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35 max.
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For more details please see our technical data.
* Forced current splitting by two parallel winding branches required.
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