BS EN 60146-1-3:1993

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Semiconductor convertors. General requirements and line commutated convertors – Transformers and reactors

Published By	Publication Date	Number of Pages
BSI	1993	16

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Description

This Part 1-3 of the International Standard relates, in general, to those characteristics wherein convertor transformers differ from ordinary power transformers. In all other respects, the rules specified in IEC 76 shall apply to convertor transformers also, as far as they are not in contradiction with this standard.

It should be borne in mind that a rectifier transformer operates with non-sinusoidal current waveshape. In single-way connection, the current in each cell winding contains a d.c. component which calls for special attention in design and testing. In some cases, a special design is necessary when external short-circuits and cell failures would cause abnormal stress.

For certain types of transformers, the waveshape of the normal operating voltage is non-sinusoidal. The core loss of such equipment is to be determined by applying a sinusoidal voltage having the same half-cycle arithmetic mean value and the same fundamental frequency as the voltage applied in service.

Additional information

Status	Definitive
Title	Semiconductor convertors. General requirements and line commutated convertors – Transformers and reactors
Replaces	BS 4417:1969
Publisher	BSI
Committee	PEL/22
Pages	16
Publication Date	1993-05-15
ISBN	0 580 22131 8
Standard Number	BS EN 60146-1-3:1993, IEC 60146-1-3:1991
Partially Replaced By	BS EN 50329:2003+A1:2010
Identical National Standard Of	EN 60146-1-3:1993, IEC 60146-1-3:1991
Descriptors	Short-circuit currents, Semiconductor devices, Temperature-rise limit, Power transformers, Voltage measurement, Circuits, Electrical equipment, Semiconductor rectifiers, Electric convertors, Reactance measurement, Static convertors, Electric reactors, Transformers, Electrical testing, Error correction, Mathematical calculations, Power losses, Electronic equipment and components, Rated current, Rectifiers
ICS Codes	29.180 - Transformers. Reactors

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BS EN 60146-1-3:1993

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