IEC 60505:2011/COR1:2017
(Corrigendum)Corrigendum 1 - Evaluation and qualification of electrical insulation systems
Corrigendum 1 - Evaluation and qualification of electrical insulation systems
Corrigendum 1 - Evaluation et qualification des systèmes d'isolation électrique
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IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
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IEC 60505 IEC 60505
Edition 4.0 2011-07 Édition 4.0 2011-07
EVALUATION AND QUALIFICATION ÉVALUATION ET QUALIFICATION
OF ELECTRICAL INSULATION SYSTEMS DES SYSTÈMES D'ISOLATION ÉLECTRIQUE
CORRIGENDUM 1
Foreword Avant-propos
Replace the third paragraph starting with Remplacer le troisième alinéa
"The main change" with the following new commençant par "La principale
text modification" par le nouveau texte s
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IEC TS 61934:2024 is available as IEC TS 61934:2024 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC TS 61934:2024 is applicable to the off-line electrical measurement of partial discharges (PDs) that occur in electrical insulation systems (EISs) when stressed by repetitive voltage impulses generated from power electronics devices.
Typical applications are EISs belonging to apparatus driven by power electronics, such as motors, inductive reactors, wind turbine generators and the power electronics modules themselves.
NOTE Use of this document with specific products can require the application of additional procedures.
Excluded from the scope of this document are:
- methods based on optical or ultrasonic PD detection,
- fields of application for PD measurements when stressed by non-repetitive impulse voltages such as lightning impulse or switching impulses from switchgear.
This edition includes the following significant technical changes with respect to the previous edition:
a) background information on the progress being made in the field of power electronics including the introduction of wide band gap semiconductor devices has been added to the Introduction;
b) voltage impulse generators; the parameter values of the voltage impulse waveform have been modified to reflect application of wide band gap semiconductor devices.
c) PD detection methods; charge-based measurements are not described in this third edition nor are source-controlled gating techniques to suppress external noise.
d) Since the previous edition in 2011, there have been significant technical advances in this field as evidenced by several hundreds of publications. Consequently, the Bibliography in the 2011 edition has been deleted in this third edition.
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IEC TR 61858-3:2020(E) provides information on the identification of electrical insulating materials and auxiliary components for the assessment of modifications to an established insulation system and gives guidance on the selection of feasible test procedures.
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This document is for applications where the stresses are some combination of other factors of influence identified in IEC 60505. The multi-factor stresses are applied during the diagnostic portion of each test cycle.
A few examples of other factors of influence or multi-factor stresses are:
– high vibration;
– submersion in oils, water, or solutions;
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b) new figures and charts support the contents.
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