IEC 61642:1997
Current
The latest, up-to-date edition.
Industrial a.c. networks affected by harmonics - Application of filters and shunt capacitors
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French, Spanish, Castilian
09-17-1997
Foreword
Clause
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
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