| Publication CODE |
Title |
| IEC 61921:2017 (2017-06) |
POWER CAPACITORS - LOW-VOLTAGE POWER FACTOR CORRECTION BANKS |
| |
| Price Excl. VAT |
Total number of pages, tables and drawings |
|
159.00 €
|
42. |
Description
IEC 61921:2017 is also 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: numerous changes regarding verification methods to align with IEC 61439-1; modification of marking; add routine verification of rated output; new Annex D with guidance on methods for temperature rise verification; update of normative references; general editorial review.
Keywords: low-voltage AC shunt capacitor banks
|
| Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
| Status |
IEC PUBLICATION |
| Situation |
Currently active
Replaces
IEC 61921:2003
|
|
| BEC Approval |
2017-06-20 |
| ICS-Code (International Standards Classification) |
31.060.70
|
| NBN Status |
New |
|
| IEC publication date |
2017-06-20 |
| IEC stability date |
2021-12-31 |
| IEC file modification date |
2017-06-20 |
| IEC last modification date |
2019-11-20 |
|
