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EVS-EN ISO 5826:2014

Resistance welding equipment - Transformers - General specifications applicable to all transformers (ISO 5826:2014)

General information

Valid from 04.03.2014
Base Documents
ISO 5826:2014; EN ISO 5826:2014
Directives or regulations
None

Standard history

Status
Date
Type
Name
04.03.2014
Main
06.10.2003
Main
This International Standard gives specifications applicable to all transformers for resistance welding equipment with or without connected rectifier.  The following types are included: - single-phase transformers for alternating welding current, typically operating at 50 Hz or 60 Hz; - single-phase transformers with connected rectifier typically operating at 50 Hz or 60 Hz; - single-phase inverter welding transformer with connected rectifier typically operating at 600 Hz to 2 kHz; - three-phase transformers with connected rectifier typically operating at 50 Hz or 60 Hz; - three-phase low frequency converter equipment, typically operating at 5 Hz to 16 Hz. NOTE 1 Typical operating frequencies are given for information only and are not exclusive. For the purposes of this International Standard, a transformer can refer to the transformer alone or combined with other components such as a rectifier, as listed above. This International Standard applies to transformers built to protection class I or II according to IEC 61140. NOTE 2 This International Standard provides fundamental requirements that can be supplemented by other resistance welding transformer standards e.g. ISO 22829 and ISO 10656.

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