• BS EN 61642:1998

    Current The latest, up-to-date edition.

    Industrial a.c. networks affected by harmonics. Application of filters and shunt capacitors

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  15-01-1998

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 General
        1.1 Scope and object
        1.2 Normative references
        1.3 Definitions
        1.4 General considerations
              1.4.1 AC harmonics
              1.4.2 Reactive power
    2 Resonance problems and solutions
        2.1 Introduction
        2.2 Supply impedance view, load-busbar impedance view
        2.3 Example of series resonance
        2.4 Example of parallel resonance
        2.5 Solutions to avoid resonances
              2.5.1 Capacitor-reactor connection: series resonance
              2.5.2 Capacitor-reactor connection: parallel
                      resonance
    3 Shunt capacitors and filters for networks having a
        voltage up to and including 1 000 V
        3.1 Introduction
        3.2 Shunt capacitors
        3.3 Detuned filter
        3.4 Tuned filter
        3.5 Components selection
              3.5.1 Capacitors
              3.5.2 Reactors
              3.5.3 Contactors and/or circuit-breakers
              3.5.4 Short-circuit protection (fuses)
        3.6 Disturbance of ripple control installations by
              shunt capacitors and filters
              3.6.1 Shunt capacitors
              3.6.2 Detuned filter
              3.6.3 Tuned filter
    4 Shunt capacitors and filters for networks having a voltage
        above 1 000 V
        4.1 Introduction
        4.2 Specific requirements
        4.3 Choice of power factor correction installation
        4.4 Type of filters
        4.5 Filter components selection
              4.5.1 Circuit-breaker
              4.5.2 Capacitors
              4.5.3 Reactors
              4.5.4 Resistors
              4.5.5 Relay protection
        4.6 Disturbance of ripple control installations by shunt
              capacitors and filters
    Annex A Bibliography
    Annex ZA Normative references to international publications
              with their corresponding European publication

    Abstract - (Show below) - (Hide below)

    For industrial applications at low and high voltages. The measures are applicable to harmonic orders between 1 and 25.

    General Product Information - (Show below) - (Hide below)

    Committee W/-
    Development Note Supersedes 92/03054 DC. Also numbered as IEC 61642. (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60252:1993 A.C. motor capacitors
    IEC 60050-131:2002 International Electrotechnical Vocabulary (IEV) - Part 131: Circuit theory
    IEC 61048:2006+AMD1:2015 CSV Auxiliaries for lamps - Capacitors for use in tubular fluorescent and other discharge lamp circuits - General and safety requirements
    IEC 60265-2:1988 High-voltage switches. Part 2: High-voltage switches for rated voltages of 52 kV and above
    IEC 60269-1:2006+AMD1:2009+AMD2:2014 CSV Low-voltage fuses - Part 1: General requirements
    IEC 60056:1987 High-voltage alternating-current circuit-breakers
    IEC 61071-1:1991 Power electronic capacitors - Part 1: General
    IEC 60282-1:2009+AMD1:2014 CSV High-voltage fuses - Part 1: Current-limiting fuses
    IEC 60549:2013 High-voltage fuses for the external protection of shunt capacitors
    IEC 61049:1991 Capacitors for use in tubular fluorescent and other discharge lamp circuits. Performance requirements
    IEC 60291:1969 Fuse definitions
    IEC 60050-421:1990 International Electrotechnical Vocabulary (IEV) - Part 421: Power transformers and reactors
    IEC 60871-1:2014 Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V - Part 1: General
    IEC 60143:1972 Series capacitors for power systems
    IEC 60255-6:1988 Electrical relays - Part 6: Measuring relays and protection equipment
    IEC 61000-2-2:2002+AMD1:2017 CSV Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
    IEC 60831-1:2014 RLV Shunt power capacitors of the self-healing type for a.c. systems having a rated voltage up to and including 1 000 V - Part 1: General - Performance, testing and rating - Safety requirements - Guide for installation and operation
    IEC 60050-436:1990 International Electrotechnical Vocabulary (IEV) - Part 436: Power capacitors
    IEC 60110:1973 Recommendation for capacitors for inductive heat generating plants operating at frequencies between 40 and 24 000 Hz
    IEC 60289:1988 Reactors
    IEC TS 60871-2:2014 Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V - Part 2: Endurance testing
    IEC 60242:1967 Standard frequencies for centralized network control installations
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