EN 60270:2001
(Main)High-voltage test techniques - Partial discharge measurements
High-voltage test techniques - Partial discharge measurements
Applies to the measurement of localized electrical discharges in insulating media, restricted to only a part of the dielectric under test and only partially bridging the insulation between conductors.
Hochspannungs-Prüftechnik - Teilentladungsmessungen
Techniques des essais à haute tension - Mesures des décharges partielles
Applies to the measurement of localized electrical discharges in insulating media, restricted to only a part of the dielectric under test and only partially bridging the insulation between conductors. Le contenu du corrigendum d'octobre 2001 a été pris en considération dans cet exemplaire.
High-voltage test techniques - Partial discharge measurement (IEC 60270:2000)
Uporablja se za merjenje delnih razelektritev v električnih napravah, sestavnih delih ali sistemih med preskušanjem z izmenično napetostjo do največ 400 Hz ali z enosmerno napetostjo.
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Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2002
High-voltage test techniques - Partial discharge measurement (IEC 60270:2000)
High-voltage test techniques - Partial discharge measurements
Hochspannungs-Prüftechnik - Teilentladungsmessungen
Techniques des essais à haute tension - Mesure des décharges partielles
Ta slovenski standard je istoveten z: EN 60270:2001
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
19.080 (OHNWULþQRLQHOHNWURQVNR Electrical and electronic
SUHVNXãDQMH testing
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 60270
NORME EUROPÉENNE
EUROPÄISCHE NORM March 2001
ICS 17.220.20;19.080
English version
High-voltage test techniques -
Partial discharge measurements
(IEC 60270:2000)
Technique des essais à haute tension - Hochspannungs-Prüftechnik -
Mesure des décharges partielles Teilentladungsmessungen
(CEI 60270:2000) (IEC 60270:2000)
This European Standard was approved by CENELEC on 2000-12-01. CENELEC members are bound
to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60270:2001 E
Foreword
The text of document 42/162/FDIS, future edition 3 of IEC 60270, prepared by IEC TC 42, High-
voltage testing techniques, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as EN 60270 on 2000-12-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2001-10-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2003-12-01
Annexes designated "normative" are part of the body of the standard.
Annexes designated "informative" are given for information only.
In this standard, annexes A and ZA are normative and annexes B to G are informative.
Annex ZA has been added by CENELEC.
The words in bold in the text of the standard are defined in clause 3.
__________
Endorsement notice
The text of the International Standard IEC 60270:2000 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 60270:2001
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of
any of these publications apply to this European Standard only when incorporated in it by
amendment or revision. For undated references the latest edition of the publication referred to
applies (including amendments).
NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
1) 2)
IEC 60060-1 High-voltage test techniques HD 588.1 S1 1991
Part 1: General definitions and test
requirements
1) 2)
IEC 60060-2 Part 2: Measuring systems EN 60060-2 1994
CISPR 16-1 1993 Specification for radio disturbance and--
immunity measuring apparatus and
methods
Part 1: Radio disturbance and immunity
measuring apparatus
1)
undated reference.
2)
valid edition at date of issue.
INTERNATIONAL IEC
STANDARD 60270
Third edition
2000-12
High-voltage test techniques –
Partial discharge measurements
© IEC 2000 Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical,
including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale X
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue
60270 © IEC:2000 – 3 –
CONTENTS
Page
FOREWORD . 9
Clause
1 Scope . 13
2 Normative references . 15
3 Definitions. 15
4 Test circuits and measuring systems . 25
4.1 General requirements. 25
4.2 Test circuits for alternating voltages . 25
4.3 Measuring systems for apparent charge . 27
4.3.1 General. 27
4.3.2 Coupling device. 27
4.3.3 Pulse train response of instruments for the measurement
of apparent charge . 27
4.3.4 Wide-band PD instruments. 29
4.3.5 Wide-band PD instruments with active integrator . 31
4.3.6 Narrow-band PD instruments. 31
4.4 Requirements for measurements with digital PD-instruments. 31
4.4.1 Requirements for measurement of apparent charge q. 33
4.4.2 Requirements for measurement of test voltage magnitude and phase . 33
4.5 Measuring systems for derived quantities . 33
4.5.1 Coupling device. 33
4.5.2 Instruments for the measurement of pulse repetition rate n . 33
4.5.3 Instruments for the measurement of average discharge current I . 35
4.5.4 Instruments for the measurement of discharge power P. 35
4.5.5 Instruments for the measurement of quadratic rate D. 35
4.5.6 Instruments for the measurement of the radio disturbance voltage . 35
4.6 Ultra-wide-band instruments for PD detection . 37
5 Calibration of a measuring system in the complete test circuit. 37
5.1 General. 37
5.2 Calibration procedure. 37
6 Calibrators . 39
6.1 General. 39
6.2 Calibrators for the calibration of a measuring system in the complete test circuit. 39
6.3 Calibrators for performance tests on measuring systems . 41
60270 © IEC:2000 – 5 –
Clause Page
7 Maintaining the characteristics of calibrators and measuring systems . 41
7.1 Schedule of tests . 41
7.2 Maintaining the characteristics of calibrators . 43
7.2.1 Type tests on calibrators . 43
7.2.2 Routine tests on calibrators . 43
7.2.3 Performance tests on calibrators . 43
7.2.4 Performance checks on calibrators. 43
7.2.5 Record of performance. 45
7.3 Maintaining the characteristics of measuring systems. 45
7.3.1 Type tests on PD measuring systems . 45
7.3.2 Routine tests on measuring systems. 47
7.3.3 Performance tests on measuring systems. 47
7.3.4 Performance checks for measuring systems . 47
7.3.5 Checks for additional capabilities of digital measuring systems . 49
7.3.6 Record of performance. 51
8 Tests . 51
8.1 General requirements. 51
8.2 Conditioning of the test object . 51
8.3 Choice of test procedure . 53
8.3.1 Determination of the partial discharge inception and extinction voltages. 53
8.3.2 Determination of the partial discharge magnitude at a specified
test voltage . 53
9 Measuring uncertainty and sensitivity. 55
10 Disturbances.55
11 Partial discharge measurements during tests with direct voltage . 57
11.1 General. 57
11.2 Quantities related to partial discharges. 57
11.3 Voltages related to partial discharges . 57
11.3.1 Partial discharge inception and extinction voltages . 57
11.3.2 Partial discharge test voltage. 59
11.4 Test circuits and measuring systems . 59
11.5 Tests . 59
11.5.1 Choice of test procedures. 59
11.5.2 Disturbances . 59
Annex A (normative) Performance test on a calibrator. 71
Annex B (informative) Test circuits . 77
Annex C (informative) Measurements on cables, gas insulated switchgear, power
capacitors and on test objects with windings . 81
Annex D (informative) The use of radio disturbance (interference) meters for
the detection of partial discharges. 83
Annex E (informative) Guidelines to digital acquisition of partial discharge quantities. 87
Annex F (informative) Non-electrical methods of PD detection . 93
Annex G (informative) Disturbances. 95
60270 © IEC:2000 – 7 –
Page
Figure 1 – Basic partial discharge test circuits. 63
Figure 2 – Test circuit for measurement at a tapping of a bushing . 65
Figure 3 – Test circuit for measuring self-excited test objects. 65
Figure 4 – Connections for the calibration of the complete test arrangement .
...
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