IEC Releases TR 62544:2011+AMD1:2016 CSV, Standard for HVDC systems

VoltageThe International Electrotechnical Commission (IEC) has released a consolidated version of IEC TR 62544:2011+A1:2016(E). This standard describes “High-voltage direct current (HVDC) systems – Application of active filters.” The new edition can now be purchased on the IEC webstore.


IEC TR 62544:2011+A1:2016(E) gives general guidance on the subject of active filters for use in high-voltage direct current (HVDC) power transmission. It describes systems where active devices are used primarily to achieve a reduction in harmonics in the d.c. or a.c. systems. This excludes the use of automatically retuned components. The various types of circuit that can be used for active filters are described in the report, along with their principal operational characteristics and typical applications. The overall aim is to provide guidance for purchasers to assist with the task of specifying active filters as part of HVDC converters. Passive filters are specifically excluded from this report. This consolidated version consists of the first edition (2011) and its amendment 1 (2016). Therefore, no need to order amendment in addition to this publication.

*Description from the IEC website.

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