Part 1: General - Performance, testing and rating - Safety requirements - Guide for installation and operation.

This third edition cancels and replaces the second edition published in 1995.

This edition includes the following significant technical changes with respect to the previous edition: - Updating of the normative references; - Discharge cycles before ageing test carried out at ambient temperature; - Alternative Self-healing test at d.c.

Modified acceptance conditions after Self-healing test; - Modifications to Destruction test.

Keywords: IEC 60831-1, requirements for the ageing test, self-healing test and destruction test for capacitors.

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IEC 60831-1:2014 is applicable to both capacitor units and capacitor banks intended to be used, particularly, for power-factor correction of a.c.

This part of IEC 60831 also applies to capacitors intended for use in power filter circuits.

Additional definitions, requirements, and tests for power filter capacitors are given in Annex A.

The object of this part of IEC 60831 is to: - formulate uniform rules regarding performances, testing and rating; - formulate specific safety rules; - provide a guide for installation and operation.

This third edition cancels and replaces the second edition published in 1996 and Amendment 1:2002.

This edition includes the following significant technical changes with respect to the previous edition: - Updating of the normative references; - Test conditions have been clarified; - Thermal stability test has been clarified; - Maximum permissible voltage and current have been clarified; - The protection of the environment has been amended with safety concerns and plastic quality requirements.

The contents of the corrigendum of May 2014 have been included in this copy.

Iec 60831-1