ENA TS 35-17 : ISSUE 1 1996

Withdrawn

Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

CLASS 10 CURRENT TRANSFORMERS

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Withdrawn date: 01-08-2017

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Published date: 12-01-2013

Publisher: Energy Networks Association (UK)

Table of Contents - (Show below) - (Hide below)

Foreword
1. Scope
2. References
3. Definitions.
    3.1 Class PX current transformer
    3.2 Specified knee point e.m.f. (Ek)
    3.3 Nominal turns ratio
4. Performance Requirements
    4.1 Specification of performance
5. Insulation Requirements
    5.1 Insulation requirements for secondary winding
    5.2 Interturn insulation requirements
6. Type and Routine Tests
    6.1 Type test
    6.2 Routine tests
7. Marking
    7.1 Marking on the rating plate of a Class PX
         current transformer

Abstract - (Show below) - (Hide below)

Gives requirements additionally to BS 7626 for low-reactance current transformers that are designated Class PX, for use with protective systems at various system voltage levels. In relation to requirements for specification and testing, it indicates the differences between Class PX current transformers and those that are specified in BS 7626.

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Document Type	Standard
ISBN
Pages
Published
Publisher	Energy Networks Association (UK)
Status	Withdrawn

Standards Referencing This Book - (Show below) - (Hide below)

IEC 60044-6:1992	Instrument transformers - Part 6: Requirements for protective current transformers for transient performance

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