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EN 60247:2004

Current

Current

The latest, up-to-date edition.

Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity

Published date

09-04-2004

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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General
   4.1 Permittivity and dielectric dissipation factor
        (tan delta)
   4.2 Resistivity
   4.3 Sequence of determinations
   4.4 Factors leading to erroneous results
5 Apparatus
   5.1 Test cell
   5.2 Test equipment
   5.3 Glassware
   5.4 Measuring instrument for permittivity and tan delta
   5.5 Measuring instrument for d.c. resistivity
   5.6 Time-measuring device
   5.7 Safety
6 Cleaning solvent
7 Cleaning the test cell
   7.1 Trisodium phosphate cleaning procedure
   7.2 Storage of cell
8 Sampling
9 Preparation of samples
10 Conditioning and filling the test cell
   10.1 Cell conditioning
   10.2 Filling the cell
11 Test temperature
12 Measurement of dissipation factor (tan delta)
   12.1 Test voltage
   12.2 Measurement
   12.3 Report
13 Measurement of relative permittivity
   13.1 Measurement
   13.2 Report
14 Measurement of d.c. resistivity
   14.1 Test voltage
   14.2 Time of electrification
   14.3 Measurement
   14.4 Report
Annex A (informative) Example of an alternative procedure
        for cleaning the test cell - Ultrasonic procedure
Annex B (informative) Example of a simplified cleaning
        procedure for a test cell
Annex C (informative) Alternative procedures for routine
        testing of dielectric dissipation factor and resistivity
        of insulating liquids
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Describes methods for the determination of the dielectric dissipation factor, relative permittivity and d.c. resistivity of any insulating liquid material at the test temperature. The methods are primarily intended for making reference tests on unused liquids. They can also be applied to liquids in service in transformers, cables and other electrical apparatus. However the method is applicable to a single phase liquid only. When it is desired to make routine determinations, simplified procedures, as described in Annex C, may be adopted. With insulating liquids other than hydrocarbons, alternative cleaning procedures may be required. The main changes from the previous edition deal with the preferred measurement method.

Committee
CLC/SR 10
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

Standards Relationship
UNE-EN 60247:2004 Identical
NF EN 60247 : 2004 Identical
IEC 60247:2004 Identical
NBN EN 60247 : 2005 Identical
NEN EN IEC 60247 : 2005 Identical
I.S. EN 60247:2004 Identical
PN EN 60247 : 2008 Identical
DIN EN 60247 : 2005 Identical
VDE 0380-2 : 2005 Identical
SS-EN 60247:2004 Identical
SN EN 60247:2004 Identical
BS EN 60247:2004 Identical
CEI EN 60247 : 2004 Identical

BS EN 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
CEI EN 60811-302 : 2014 ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 302: ELECTRICAL TESTS - MEASUREMENT OF THE D.C. RESISTIVITY AT 23 DEGREES C AND 100 DEGREES C OF FILLING COMPOUNDS
CEI EN 61099 : 2011 INSULATING LIQUIDS - SPECIFICATIONS FOR UNUSED SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES
I.S. EN 60811-302:2012 ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 302: ELECTRICAL TESTS - MEASUREMENT OF THE D.C. RESISTIVITY AT 23 DEGREES C AND 100 DEGREES C OF FILLING COMPOUNDS (IEC 60811-302:2012 (EQV))
I.S. EN 61221:2004 PETROLEUM PRODUCTS AND LUBRICANTS - TRIARYL PHOSPHATE ESTER TURBINE CONTROL FLUIDS (CATEGORY ISO-L-TCD) - SPECIFICATIONS
CEI EN 60079-32-2 : 2016 EXPLOSIVE ATMOSPHERES - PART 32-2: ELECTROSTATICS HAZARDS - TESTS
PD CLC/TR 60079-32-1:2015 Explosive atmospheres Electrostatic hazards, guidance
EN 62701:2014 Fluids for electrotechnical applications - Recycled mineral insulating oils for transformers and switchgears
EN 60079-32-2:2015 Explosive atmospheres - Part 32-2: Electrostatics hazards - Tests
EN 61099:2010 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
BS EN 60079-32-2:2015 Explosive atmospheres Electrostatics hazards. Tests
I.S. EN 60422:2013 MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE (IEC 60422:2013 (EQV))
I.S. EN IEC 61125:2018 INSULATING LIQUIDS - TEST METHODS FOR OXIDATION STABILITY - TEST METHOD FOR EVALUATING THE OXIDATION STABILITY OF INSULATING LIQUIDS IN THE DELIVERED STATE
CEI EN 60811-301 : 2014 ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 301: ELECTRICAL TESTS - MEASUREMENT OF THE PERMITTIVITY AT 23 DEGREES C OF FILLING COMPOUNDS
CEI EN 60763-2 : 2007 SPECIFICATION FOR LAMINATED PRESSBOARD - PART 2: METHODS OF TEST
I.S. EN 61099:2010 INSULATING LIQUIDS - SPECIFICATIONS FOR UNUSED SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES
I.S. EN 60763-2:2007 SPECIFICATION FOR LAMINATED PRESSBOARD - PART 2: METHODS OF TEST
BS EN IEC 61125:2018 Insulating liquids. Test methods for oxidation stability. Test method for evaluating the oxidation stability of insulating liquids in the delivered state
06/30159746 DC : 0 BS EN 50503 - FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - STANDARD FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
BS EN 60296:2012 Fluids for electrotechnical applications. Unused mineral insulating oils for transformers and switchgear
BS EN 60811-302:2012 Electric and optical fibre cables. Test methods for non-metallic materials Electrical tests. Measurement of the d.c. resistivity at 23°C and 100°C of filling compounds
I.S. EN 60079-32-2:2015 EXPLOSIVE ATMOSPHERES - PART 32-2: ELECTROSTATICS HAZARDS - TESTS
I.S. EN 62701:2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - RECYCLED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEARS
CEI EN 60296 : 2013 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR
EN 60296:2012 Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
UNE-EN 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
CEI EN 62770 : 2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
EN IEC 61125:2018 Insulating liquids - Test methods for oxidation stability - Test method for evaluating the oxidation stability of insulating liquids in the delivered state
BS EN 61099:2010 Insulating liquids. Specifications for unused synthetic organic esters for electrical purposes
BS EN 62770:2014 Fluids for electrotechnical applications. Unused natural esters for transformers and similar electrical equipment
I.S. EN 60811-301:2012 ELECTRIC AND OPTICAL FIBRE CABLES - TEST METHODS FOR NON-METALLIC MATERIALS - PART 301: ELECTRICAL TESTS - MEASUREMENT OF THE PERMITTIVITY AT 23 DEGREES C OF FILLING COMPOUNDS (IEC 60811-301:2012 (EQV))
UNE-EN 60811-302:2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 302: Electrical tests - Measurement of the d.c. resistivity at 23 °C and 100 °C of filling compounds
I.S. EN 60836:2015 SPECIFICATIONS FOR UNUSED SILICONE INSULATING LIQUIDS FOR ELECTROTECHNICAL PURPOSES
I.S. EN 62770:2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
I.S. EN 60079-6:2015 EXPLOSIVE ATMOSPHERES - PART 6: EQUIPMENT PROTECTION BY LIQUID IMMERSION 'O'
UNE-EN 60079-6:2016 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
UNE-EN 60296:2012 Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
UNE-EN 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
UNE-EN 62770:2014 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
BS EN 60811-301:2012 Electric and optical fibre cables. Test methods for non-metallic materials Electrical tests. Measurement of the permittivity at 23°C of filling compounds
BS EN 60422:2013 Mineral insulating oils in electrical equipment. Supervision and maintenance guidance
UNE-EN 60811-301:2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 301: Electrical tests - Measurement of the permittivity at 23 °C of filling compounds
BS EN 60763-2:2007 Specification for laminated pressboard Methods of test
CEI EN 60079-6 : 2016 EXPLOSIVE ATMOSPHERES - PART 6: EQUIPMENT PROTECTION BY LIQUID IMMERSION 'O'
BS EN 60079-6:2007 Explosive atmospheres Equipment protected by oil immersion \'o\'
CLC/TR 50503:2010 Guidelines for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
S.R. CLC/TR 50503:2010 GUIDELINES FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
UNE-EN 61099:2011 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
I.S. EN 60296:2012 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR (IEC 60296:2012 (EQV))
CLC/TR 60079-32-1:2015 Explosive atmospheres - Part 32-1: Electrostatic Hazards - Guidance
UNE-EN 60079-32-2:2016 Explosive atmospheres - Part 32-2: Electrostatics hazards - Tests
EN 62770:2014 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
EN 60763-2:2007 Specification for laminated pressboard - Part 2: Methods of test
EN 60811-301:2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 301: Electrical tests - Measurement of the permittivity at 23 °C of filling compounds
EN 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
EN 60079-6:2015 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
EN 60811-302:2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 302: Electrical tests - Measurement of the d.c. resistivity at 23 °C and 100 °C of filling compounds
EN 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
CEI EN 60422 : 2014 MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE

IEC 60250:1969 Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths
IEC 60475:2011 Method of sampling insulating liquids
EN 61620:1999 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method
HD 429 : 200S1 METHODS OF TEST FOR VOLUME RESISTIVITY AND SURFACE RESISTIVITY OF SOLID ELECTRICAL INSULATING MATERIALS
IEC 60093:1980 Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials
IEC 61620:1998 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method

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