Product Description; Design - ABB VUBB Installation And Commissioning Manual

2 Product description

2.1 Design

Overview
The VUBB on-load tap-changer features an in-tank design. The motor-drive mechanism is attached to the
side of the transformer tank, and connected to the tap-changer by drive shafts and a bevel gear.
1 Vertical driveshaft
2 Bevel gear
3 Horizontal driveshaft
4 Tap-changer
5 Transformer tank
6 Motor-drive mechanism
Installation and commissioning guide
1ZSC000562-AAK EN, REV. 2, 2019-07-03
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