Siemens 8DA - 8 Preparing Power-Frequency Voltage Test; 8.1 Checking SF6-Gas Filling; 8.2 Preparing Busbar System for Voltage Test; 8.3 Preparing Panel Connections and Cables for Voltage Test

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! On the observer's command, push the transport unit to be connected towards the
already mounted one using the lifting gear. The observer checks and corrects the
approach of the busbar sections.
! Continue approaching the transport units until the flanges touch evenly at the
insulating plates.
! In case of deviations, correct the position of the transport unit, compensating any
floor unevenness with shims under the corners (same points as for roller pads /
bars).
Fig. 16: Short busbar housing with compensator
a
Busbar housing
s
Compensator
d
Insulating ring (thickness: 18 mm)
f
Insulating ring (thickness: 4 mm)
Fig. 17: Long busbar housing with insulating joint