Installation
Checking fo r p resence o f nitrogen (N
2
)
in pole parts
GE Information08- 2016 L31- 064EN/05
1/4
Presentation
Introduction
The pole parts (chambers and columns) are filled with nitrogen (N
2
) for trans-
port purposes to an effective pressure of 0.03 MPa at 20C.
It is of prime importance that the presence of N
2
gas in pole be verified
before going any further with installation.
Necessary tools
List of the necessary Grid Solutions tools for the checking for presence of N
2
gas in poles :
Mark Diagram Designation Number
(3) Filling tool 1
In this module
This module contains the following topics :
Topic Page
Checking for presence of N
2
gas in columns 2
Checking for presence of N
2
gas in interrupting chambers 4
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