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Series capacitors for power systems - Part 1: General
Series capacitors for power systems - Part 1: General
IEC 60143-1:2015+AMD1:2023 applies both to capacitor units and capacitor banks intended to be used connected in series with an a.c. transmission or distribution line or circuit forming part of an a.c. power system having a frequency of 15 Hz to 60 Hz.
The primary focus of this standard is on transmission application. The series capacitor units and banks are usually intended for high-voltage power systems. This standard is applicable to the complete voltage range.
This standard does not apply to capacitors of the self-healing metallized dielectric type. The following capacitors, even if connected in series with a circuit, are excluded from this standard:
For standard types of accessories such as insulators, switches, instrument transformers, external fuses, etc., see the pertinent IEC standard.
The object of this standard is:
This fifth edition cancels and replaces the fourth edition, published in 2004. This edition constitutes a technical revision.
The main change with respect to the previous edition is that the endurance test has been replaced by an ageing test because voltage cycling is already performed in the cold duty test.
The guide section has been expanded regarding long line correction and altitude correction. In addition, the insulation tables and references to other standards have been updated.
Keywords: a.c. transmission or distribution line, capacitor units and banks for high-voltage power systems
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