GB/T 7601-2008Determination of water content for transformer and turbine oils in service by gas chromatographic method (English PDF)
运行中变压器油、汽轮机油水分测定法 ( 气相色谱法)
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 24, 2008
Implementation date
August 1, 2009
Scope
GB/T 7601-2008 is the English-translated version of 运行中变压器油、汽轮机油水分测定法 ( 气相色谱法).
GB/T 7601-2008 is the Chinese standard "Determination of water content for transformer and turbine oils in service by gas chromatographic method". Its scope clause reads: This standard specifies the transformer oil, turbine oil and hydrogen-cooled generator sets seal oil by Gas Chromatography moisture content.
This standard applies to transformer oil, turbine oil and hydrogen-cooled generators measuring moisture in oil with the seal. Determination of moisture content in other oils may also refer to this standard. Its clauses include method summary; equipment, materials.
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Document preview — GB/T 7601-2008
National Standard of the People's Republic of China
- ICS
- 75.100
- Classification
- E 38
- Replacing
- GB/T 7601-1987
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Method Summary
- 4 equipment, materials
1 Scope
This standard specifies the transformer oil, turbine oil and hydrogen-cooled generator sets seal oil by Gas Chromatography moisture content.
This standard applies to transformer oil, turbine oil and hydrogen-cooled generators measuring moisture in oil with the seal.
Determination of moisture content in other oils may also refer to this standard.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 7597 Power oil
GB/T 17623 gases dissolved in insulating oil component content of the gas chromatographic method (GB/T 17623-1998IEC 567.1992,
NEQ)
3 Method Summary
Firstly, according to the provisions of the GB/T 7597 acquisition tested oil sample, then use special gas chromatograph vaporization, separation, detection, by noting
Logger or chromatographic data processor with a standard oil sample comparison result of the calculation, results in mg/L.
4 equipment, materials
4.1 Gas Chromatograph
4.1.1
injector with injection vaporization, separation and collection of residual functions.
4.1.2
detector, thermal conductivity detector (TCD), the minimum detectable concentration. less than 0.5mg/L.
4.1.3 Column
4.1.3.1 within polished stainless steel column
diameter 3mm, length 1m.
4.1.3.2 Stationary phase
porous polymer microsphere GDX-103 or GDX-105 (60 mesh to 80 mesh).
4.1.3.3 Separation
oil and water peak adjacent peak separation R is greater than 1.
4.1.4 Process
Common chromatographic process shown in Figure 1.
Figure 1 schematically conventional chromatography process […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 7601
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 7601-2008 | Determination of water content for transformer and turbine oils in service by gas chromatographic method | current edition | Current |
| GB/T 7601-1987 | Determination of water content for transformer and turbine oils in service by gas chromatographic method | previous edition | Superseded |
This page sells the current edition, GB/T 7601-2008. Earlier editions are listed for reference only.
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