The object of this standard is: - to formulate uniform rules regarding performance, testing and rating - to formulate specific safety rules - to serve as a guide for installation and operation. For standard types of accessories such as insulators, switches, instrument transformers, external fuses, etc. The following capacitors, even if connected in series with a circuit, are excluded from this standard: - capacitors for inductive heat-generating plants (IEC 60110-1) - capacitors for motor applications and the like (IEC 60252 (all parts)) - capacitors to be used in power electronics circuits (IEC 61071) - capacitors for discharge lamps (IEC 61048 and IEC 61049). ![]() This standard does not apply to capacitors of the self-healing metallized dielectric type. This standard is applicable to the complete voltage range. The series capacitor units and banks are usually intended for high-voltage power systems. The primary focus of this standard is on transmission application. power system having a frequency of 15 Hz to 60 Hz. ![]() transmission or distribution line or circuit forming part of an a.c. IEC 60143-1:2015 applies both to capacitor units and capacitor banks intended to be used connected in series with an a.c. 5.0 b:2015 Series capacitors for power systems - Part 1: General
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