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Power capacitors. Low-voltage power factor correction banks
NEW! IEC 61921:2017 is available as IEC 61921:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61921:2017 is applicable to low-voltage AC shunt capacitor banks intended to be used for power factor correction purposes, possibly equipped with a built-in switchgear and controlgear apparatus capable of connecting to or disconnecting from the mains part(s) of the bank with the aim to correct its power factor.
Low-voltage power factor correction banks, if not otherwise indicated hereinafter and where applicable, comply with the requirements of IEC 61439-1 and IEC 61439-2.
This second edition cancels and replaces the first edition published in 2003. It constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
Keywords: low-voltage AC shunt capacitor banks
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