ENA TS 35-17 : ISSUE 1 1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
01-08-2017
12-01-2013
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
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.
| DocumentType |
Standard
|
| PublisherName |
Energy Networks Association (UK)
|
| Status |
Withdrawn
|
| IEC 60044-6:1992 | Instrument transformers - Part 6: Requirements for protective current transformers for transient performance |
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