BS 5737:1979
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Method for the measurement of relative permittivity, dielectric dissipation factor and d.c. resistivity of insulating liquids
Hardcopy , PDF
26-04-2004
English
31-08-1979
Important note : All end users must be registered with an Account prior to user licenses being assigned.
National foreword
Cooperating organizations
1 Scope
2 Definitions
3 General considerations
4 Apparatus
5 Cleaning solvents
6 Cleaning the test cell
7 Sampling
8 Conditioning and preparation of specimens
9 Filling the test cell
10 Test temperature
11 Measurement of dissipation factor
12 Measurement of relative permittivity
13 Measurement of d.c. resistivity
Appendix
A Alternative procedures for routine testing of
dielectric dissipation factor and resistivity of
insulating liquids
Figures
1 Example of a three-terminal cell for measurements on
liquids
1a Example of screening for the cell of Figure 1
2 Example of a two-terminal cell for measurements on
liquids
Reference tests for determining the principal electrical characteristics of hydrocarbon insulating oils and askarels (applicable to unused oils and oils in service). Also gives simplified procedure for routine testing.
| Committee |
GEL/10
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN 13763-4:2004 | Identical |
| UNE-EN 61249-4-14:2009 | Identical |
| BS EN 61125:1993 | Unused hydrocarbon-based insulating liquids. Test methods for evaluating the oxidation stability |
| BS 148:1998 | Specification for unused and reclaimed mineral insulating oils for transformers and switchgear |
| EN 61125:1993/A1:2004 | UNUSED HYDROCARBON-BASED INSULATING LIQUIDS - TEST METHODS FOR EVALUATING THE OXIDATION STABILITY |
| BS EN 60465:1992 | Specification for unused insulating mineral oils for cables with oil ducts |
| BS 5730:2001 | Monitoring and maintenance guide for mineral insulating oils in electrical equipment |
| BS 3573:1990 | Specification for polyolefin copper-conductor telecommunication cables |
| BS 7704:1993 | Specifications for silicone liquids for electrical purposes |
| BS 7506-2:1996 | Methods for measurement in electrostatics Test methods |
| BS EN 60867:1994 | Insulating liquids. Specifications for unused liquids based on synthetic aromatic hydrocarbons |
| BS 148:1997 | Specification for unused and reclaimed mineral insulating oils for transformers and switchgear |
| IEC 60093:1980 | Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.