IEC TR 60894:1987
(Main)Guide for test procedure for the measurement of loss tangent of coils and bars for machine windings
General Information
- Abstract
Applies to a method of measuring dielectric loss properties of the insulation system of the slot portions of new coils or bars for rotating electrical machines having rated voltage UN of 5 kV and above. The contents of the corrigendum of July 1987 have been included in this copy.
- Status
- Replaced
- Publication Date
- 30-Jun-1987
- Technical Committee
- TC 2 - Rotating machinery
- Current Stage
- DELPUB - Deleted Publication
- Start Date
- 16-Dec-2015
- Completion Date
- 28-Aug-2026
Relations
- Effective Date
- 05-Sep-2023
Get Certified
Connect with accredited certification bodies for this standard

IMQ S.p.A. (Certification)
Italian electrical product certification.

SLG Prüf- und Zertifizierungs GmbH
German testing and certification body.

UL Solutions
Global safety science company with testing, inspection and certification.
Sponsored listings
Frequently Asked Questions
IEC TR 60894:1987 is a technical report published by the International Electrotechnical Commission (IEC). Its full title is "Guide for test procedure for the measurement of loss tangent of coils and bars for machine windings". This standard covers: Applies to a method of measuring dielectric loss properties of the insulation system of the slot portions of new coils or bars for rotating electrical machines having rated voltage UN of 5 kV and above. The contents of the corrigendum of July 1987 have been included in this copy.
Applies to a method of measuring dielectric loss properties of the insulation system of the slot portions of new coils or bars for rotating electrical machines having rated voltage UN of 5 kV and above. The contents of the corrigendum of July 1987 have been included in this copy.
IEC TR 60894:1987 is classified under the following ICS (International Classification for Standards) categories: 29.160.10 - Components for rotating machines. The ICS classification helps identify the subject area and facilitates finding related standards.
IEC TR 60894:1987 has the following relationships with other standards: It is inter standard links to IEC 60034-27-3:2015. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
IEC TR 60894:1987 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
Publication 894 de la CEI
IEC Publication 894
(Première édition - 1987)
(First edition - 1987)
Guide de procédure d'essai pour
Guide for a test procedure
la mesure de la tangente de l'angle
for the measurement of loss tangent
de perte des bobines et barres of coils and bars
d'enroulement des machines of machine windings
CORRIGENDUM 1
Correction du texte anglais seulement.
Correction of the English text only.
Page 9
Sub-clause 3.1, instead of:
3.1
Loss tangent (tan d)
The tangent of the dielectric loss
angle of an insulation system as a
function of voltage. Sometimes used
for this property are tan delta,
dissipation factor, d
...



