1102046

BS 3938:1973

Specification for current transformers

standard by BSI Group , 02/02/1973

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About This Item

 

Full Description

Current transformers for frequencies 14 Hz to 100 Hz for use with electrical measuring instruments and electrical protective devices. Ratings; accuracy; tests; rating-plate and terminal markings. Appendices on guidance in application of current transformers: short-time rating; maximum V A output of bar-primary and bushing current transformers; use of current transformers for dual purpose of measurement and protection, composite error, high and low reactance current transformers.

Replaced by BS 7626:1993 but remains current and has been proposed for withdrawal.
 

Product Details

Published:
02/02/1973
ISBN(s):
0580073092
Number of Pages:
42
File Size:
1 file , 890 KB
Product Code(s):
3978, 3978, 00003978
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. BS EN 61869-5:2011


    Instrument transformers-Additional requirements for capacitor voltage transformers

    • Most Recent

  2. BS EN 60044-5:2004


    Instrument transformers-Capacitor voltage transformers

    • Historical Version

  3. BS EN 60044-1:1999


    Instrument transformers-Current transformers

    • Historical Version

  4. BS EN 60044-2:1999


    Instrument transformers-Inductive voltage transformers

    • Historical Version

  5. BS EN 60044-3:2003


    Instrument transformers-Combined transformers

    • Historical Version

  6. BS EN 60044-8:2002


    Instrument transformers-Electronic current transformers

    • Historical Version

  7. BS DD IEC/PAS 60044-5:2002


    Instrument transformers-Capacitor voltage transformers

    • Historical Version

  8. BS EN 60044-7:2000


    Instrument transformers-Electronic voltage transformers

    • Historical Version

  9. BS EN 60044-6:1999


    Instrument transformers-Requirements for protective current transformers for transient performance

    • Historical Version

  10. BS 7626:1993


    Specification for current transformers

    • Historical Version

  11. BS 7625:1993


    Specification for voltage transformers

    • Historical Version

  12. BS 7628:1993


    Specification for combined transformers

    • Historical Version

  13. BS 3941:1975


    Specification for voltage transformers

    • Historical Version

  14. BS 3938:1973

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    Specification for current transformers

    • Historical Version