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BS EN 61642:1998

Current
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

01-15-1998

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

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

Committee
W/-
DevelopmentNote
Supersedes 92/03054 DC. Also numbered as IEC 61642. (09/2005)
DocumentType
Standard
Pages
34
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
SN EN 61642 : 1997 Identical
DIN EN 61642 : 1998 Identical
EN 61642:1997 Identical
I.S. EN 61642:1999 Identical
NF EN 61642 : 1998 Identical
NBN EN 61642 : 1998 Identical

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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