BS 3938:1973

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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:

44

File Size:

1 file , 890 KB

Product Code(s):

00003978, 00003978, 00003978

Note:

This product is unavailable in United Kingdom