Installation
Assembly of the circuit breaker on--site
G31--201EN12
17/20
04--2011
© ALSTOM 2010. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is
strictly prohibited.
GRID
Safety instructions for overhauling after the dielectric test,
(IF APPLICABLE)
REMINDER
ALSTOM Grid S.A. declines anyliability for failures caused by the non---
respect of these directives.
Procedure with a PT
D
Potential transformer(s) with a fuse
It is imperative to respect the order of assembly :
-- remove the short--circuit device from the secondary winding,
-- Re--assemble the fuse--holder braid to the circuit breaker or disconnector
connections by applying the procedures for “preparation of the electrical con-
tact surfaces” and “Bolting and tightening torques”,
-- Re--assemble the fuse.
D
Potential transformer(s) without a fuse
It is imperative to respect the order of assembly :
-- Remove the short--circuit device from the secondary winding,
-- Re--assemble the braid connecting the P1/H1 (primary terminal) of the PT
to the circuit breaker or disconnector by applying the procedures “preparation
of the electrical contact surfaces” and “Bolting and tightening torques”,
Procedure with a
capacitor
D
Capacitor
Re--assemble by applying the procedures “Preparation of electrical con-
tact surfaces” and “Bolting and tightening torques”.
Procedure with a
lightning arrester
D
Lightning arrester
Re--assemble by applying the procedures “Preparation of electrical con-
tact surfaces” and “Bolting and tightening torques”.
Later scheduling
of the test
If the dielectric test is planned for later it is imperative to respect the following
instructions.
D
Protect the interior of the equipment by temporarily remounting the metal
enclosure covers with all of the bolting in order to avoid pollution of the inside
of the enclosure, without applying the procedures “Preparation of the electri-
cal contact surfaces” and “Bolting and tightening torques”.
D
Following the dielectric test carried out later
whilst following the direc-
tives of the “precautions for the equipment before dielectric testing”
,
continue the chronological order for assembly of the device as described in
the manual.
Summary of Contents for FKG1X
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