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BS 7821-4:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Part 4. Determination of the power rating of a transformer loaded with non-sinusoidal currents

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This document gives to the user guidance to determine the loadability of an oil-immersed distribution transformer, as defined in and covered by HD 428, in the case of load current with harmonic factors exceeding the maximum values allowed. NOTE: In general this document is also applicable to dry-type distribution transformers
Contributor(s):
MAR - Author
Primary Item Type:
British Standard
Identifiers:
ISBN 0580247198
ICS 29.180 Transformers. Reactors
Language:
English
Subject Keywords:
High-voltage equipment; Power losses; Rated frequencies; Rated power; Rated voltage; Oil-immersed transformers; Three-phase transformers; Transformers; Distribution transformers; Power transformers; Mathematical calculations; Alternating-current transformers
First presented to the public:
12/29/2022
Original Publication Date:
10/15/1995
Previously Published By:
British Standards Institution
Place Of Publication:
London, United Kingdom
Citation:
Extents:
Number of Pages - 6
License Grantor / Date Granted:
  / ( View License )
Date Deposited
2022-12-29 14:45:13.272
Submitter:
Muhamad Azmil Ramli

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BS 7821-4:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Part 4. Determination of the power rating of a transformer loaded with non-sinusoidal currents1 2022-12-29 14:45:13.272