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IEEE 1125-1993

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

IEEE Guide for Moisture Measurement and Control in SF6 Gas-Insulated Equipment
Available format(s)

PDF

Superseded date

20-12-2013

Language(s)

English

Published date

30-11-1993

1. Overview
2. Scope
3. Purpose
4. Definitions
5. Conversion of measurement units
    5.1 Parts per million by volume (PPMV)
    5.2 Parts per million by weight (PPMW)
    5.3 Conversion from PPMV to PPMW
    5.4 Dew point
    5.5 Relative humidity (RH) (%)
6. Measuring instruments
    6.1 Absolute humidity instruments
    6.2 Relative humidity hygrometers
    6.3 Operation
7. Pressure and temperature effects on moisture measurements
    7.1 Pressure effects
    7.2 Temperature effects
8. Moisture control
    8.1 Adsorbed and absorbed moisture
    8.2 Effect of vacuuming
    8.3 External moisture sources
    8.4 Application of desiccant
9. Acceptable moisture limits and moisture check intervals
10. Summary
11. Bibliography

Establishes guidelines for moisture level measurement, moisture data interpretation, and moisture control in gas-insulated transmission class equipment.

Committee
Substations
DevelopmentNote
Supersedes IEEE DRAFT 1125. (11/2004)
DocumentType
Standard
Pages
20
PublisherName
Institute of Electrical & Electronics Engineers
Status
Superseded
SupersededBy
Supersedes

NFPA 70B : 2016 RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE
IEEE C37.100.1-2007 IEEE Standard of Common Requirements for High Voltage Power Switchgear Rated Above 1000 V
IEEE C37.122.1-2014 REDLINE IEEE Guide for Gas-Insulated Substations Rated Above 52 kV

IEC 60376:2005 Specification of technical grade sulfur hexafluoride (SF<sub>6</sub>) for use in electrical equipment
ASTM D 2472 : 2015 : REDLINE Standard Specification for Sulfur Hexafluoride

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