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IEC

WG 9 - TC 33/WG 9

TC 33/WG 9

General Information

Status
Active
Work Field
Information technology
Parent
TC 33 - Power capacitors and their applications
Standardization Organization
ICS
Directive
Mandate
50
IEC
IEC 61921:2003(Main)
Power capacitors - Low-voltage power factor correction banks

Applicable to low-voltage a.c. capacitor banks intended to be used for power factor correction purposes, 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.

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IEC
IEC 60931-1:1996/AMD1:2002(Amendment)
Amendment 1 - Shunt power capacitors of the non-self-healing type for a.c. systems having a rated voltage up to and including 1000 V - Part 1: General - Performance, testing and rating - Safety requirements - Guide for installation and operation
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IEC
IEC 60831-1:1996(Main)
Shunt power capacitors of the self-healing type for a.c. systems having a rated voltage up to and including 1000 V - Part 1: General - Performance, testing and rating - Safety requirements - Guide for installation and operation

Applies to self-healing capacitor units and banks intended to be used, in particular, for power-factor correction of a.c. power systems of up to and including 1000 V rated voltage and frequency 15 Hz to 60 Hz. Also applies to capacitors intended for use in power filter circuits.

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IEC
IEC 60831-1:1996/AMD1:2002(Amendment)
Amendment 1 - Shunt power capacitors of the self-healing type for a.c. systems having a rated voltage up to and including 1000 V - Part 1: General - Performance, testing and rating - Safety requirements - Guide for installation and operation
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    5 pages
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IEC
IEC 60931-3:1996(Main)
Shunt capacitors of the non-self-healing type for AC power systems having a rated voltage up to and including 1000 V - Part 3: Internal fuses

Applies to internal fuses which are designed to isolate faulty capacitor elements or capacitor unit, in order to allow operation of the remaining parts of that capacitor unit and the bank. Such fuses are not a substitute for a switching device such as a circuit-breaker, or for external protection of the capacitor bank. This publication, together with IEC 60871-4 (1996) cancels and replaces IEC 60593 (1977).

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50