I.S. EN 61642:1999
Current
The latest, up-to-date edition.
INDUSTRIAL A.C. NETWORKS AFFECTED BY HARMONICS - APPLICATION OF FILTERS AND SHUNT CAPACITORS
Hardcopy , PDF
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
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) Normative references to international
publications with their corresponding European
publications
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