BS EN 61620:1999
Current
The latest, up-to-date edition.
Insulating liquids. Determination of the dielectric dissipation factor by measurement of the conductance and capacitance. Test method
Hardcopy , PDF
English
15-04-1999
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INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Principle of operation
5 Apparatus
6 Sampling
7 Labelling
8 Procedure
9 Expression of results
10 Test report
11 Precision
Annex A (normative) Exhaustive cleaning procedure for the
test cells
Annex B (normative) Simplified cleaning procedure for test cells
devoted to only one type of liquid
Annex C (informative) General considerations on the factors
influencing the conduction of liquids
Annex D (informative) Bibliography
Annex ZA Normative references to international publications with
their corresponding European publications
Covers a procedure for the simultaneous measurement of conductance G and capacitance C, which enables the calculating of the dielectric dissipation factor tan of insulating liquids. Applicable both to unused and inservice insulating liquids, in transformers and other electrical equipment.
| Committee |
GEL/10
|
| DevelopmentNote |
Supersedes 96/207087 DC. Also numbered as IEC 61620. (09/2005)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN EN 61620 : 1999 | Identical |
| NBN EN 61620 : 1999 | Identical |
| EN 61620:1999 | Identical |
| SN EN 61620 : 1999 | Identical |
| NF EN 61620 : 1999 | Identical |
| UNE-EN 61620:1999 | Identical |
| I.S. EN 61620:1999 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 5725-3:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method |
| IEC 60475:2011 | Method of sampling insulating liquids |
| IEC 61099:2010 | Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes |
| ISO 5725-4:1994 | Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method |
| IEC 60836:2015 | Specifications for unused silicone insulating liquids for electrotechnical purposes |
| IEC 60296:2012 RLV | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| IEC 60867:1993 | Insulating liquids - Specifications for unused liquids based on synthetic aromatic hydrocarbons |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| IEC 60247:2004 | Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity |
| IEC 60963:1988 | Specification for unused polybutenes |
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