EN ISO 22829:2017 PDF

Name: EN ISO 22829:2017 — Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)
SKU: EN ISO 22829:2017
Price: 73.76 EUR
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Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)

Название (английский):

EN ISO 22829:2017

Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 22
Дата публикации:: 25 октября 2017 г.
Издание:: CEN EN 22829 edition 2 version 1
ICS:: 25.160.30

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Описание (английский):

ISO 22829:2017 specifies additional requirements to those given in ISO 5826 for single-phase inverter transformers with connected rectifier for DC welding. This document applies to transformers, primarily used in welding guns, operating at 1 000 Hz with a rated input voltage of 500 V or more. The requirements of ISO 5826 shall be followed unless amended by this document.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 22829:2017 - Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017) specifies additional requirements for single-phase inverter transformer–rectifier units used for DC resistance welding. It applies to transformer-rectifier units primarily used in welding guns, designed to operate at 1 000 Hz with a rated input voltage of 500 V or more. The document augments and amends the general transformer requirements in ISO 5826.

Key topics and technical requirements

Scope and applicability: Additional requirements to ISO 5826 for inverter transformers with rectifiers for DC welding at 1 000 Hz.

Electrical characteristics: Minimum principal electrical ratings for standard transformer types (output current, no-load voltage, apparent input power) and requirement for manufacturer-supplied curves showing maximum output current vs duty factor and welding time.

Mechanical dimensions: Specified overall sizes and mounting dimensions for standard types (see Annex B) so units are interchangeable in welding guns.

Power supply requirements: Rated supply must be delivered by an inverter providing the rated voltage at 1 000 Hz in a waveform suitable for the unit.

Additional equipment and safety:

Grounding provision: Case ground terminal and removable link from secondary midpoint to ground.
Thermal protection: Thermoswitches on rectifier and on primary/secondary windings, with defined wiring colours and positions.
Output sensing: Provisions for output current sensing coils and output voltage sensing wires.

Rectifier protection: Specific protective measures for the rectifier assembly.

Marking and designation: Requirements for primary/output terminal marking and rating plates.

Testing: Type and routine tests (visual, open-circuit, minimum output under load, cooling circuit, dynamic output behaviour, mechanical strength).

Applications and practical value

Used where compact, high-frequency transformer-rectifier assemblies are integrated directly into welding guns for DC resistance welding.

Supports consistent performance, safety, interchangeability and reliable thermal and electrical protection in industrial resistance welding installations.

Helps manufacturers provide rated output curves and dimensional compatibility, simplifying design and maintenance of welding systems.

Related standards

ISO 5826 - Transformers - General specifications

ISO 669 - Resistance welding equipment - Mechanical and electrical requirements

ISO 17677-1 - Resistance welding vocabulary (spot, projection, seam)

IEC 60417 - Graphical symbols for use on equipment

Keywords: EN ISO 22829:2017, resistance welding equipment, transformer-rectifier units, 1 000 Hz, welding guns, ISO 5826, single-phase inverter transformers, DC welding.

EN ISO 22829:2017 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and practical value

Who should use this standard

Related standards

Технические детали

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IEC 60417-2:1998/AMD2:2002

Amendment 2 - Graphical symbols for use on equipment - Part 2: Symbol originals