DIN EN ISO 17657-3 E : 2007
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
01-01-2007
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Physical environment and operating conditions
5 Classification of current sensing coils and designation
of product
5.1 Class of current sensing coils
5.2 Standard values of the conversion coefficient
5.3 Designation of products
6 Requirements for current sensing coils
6.1 Current sensing coil and connecting lead
6.2 Conversion coefficient
6.3 Measuring accuracy
6.4 Mechanical strength
6.5 Setting position error
6.6 Influence of ambient temperature
6.7 Thermal property of cover materials
6.8 Test
7 Test procedures
7.1 Conversion coefficient
7.2 Measuring accuracy
7.3 Mechanical tests
7.4 Setting position error test
7.5 Thermal test
7.6 Contact test
8 Marking
Annex A (informative) - Design of current sensing coils
Annex B (informative) - Governing parameters of the conversion
coefficient
Annex C (informative) - Type of current sensing coils and their
recommended specification range
Annex D (informative) - Frequency response of current sensing coils
National Annex NA (informative) - Bibliography
Important note : All end users must be registered with an Account prior to user licenses being assigned.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.