INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General
4.1 Classes of measurement performance
4.2 Organization of the measurements
4.3 Electrical values to be measured
4.4 Measurement aggregation over time intervals
4.5 Measurement aggregation algorithm
4.6 Time-clock uncertainty
4.7 Flagging concept
5 Power quality parameters
5.1 Power frequency
5.2 Magnitude of the supply voltage
5.3 Flicker
5.4 Supply voltage dips and swells
5.5 Voltage interruptions
5.6 Transient voltages
5.7 Supply voltage unbalance
5.8 Voltage harmonics
5.9 Voltage interharmonics
5.10 Mains signalling voltage on the supply voltage
5.11 Rapid voltage changes
5.12 Measurement of underdeviation and overdeviation parameters
6 Range of influence quantities and implementation verification
6.1 Range of influence quantities
6.2 Implementation verification
Annex A (informative) Power quality measurements - Issues and
guidelines
A.1 Installation precautions
A.2 Transducers
A.3 Transient voltages and currents
A.4 Rapid voltage changes
A.5 Current
A.6 Guidelines for contractual applications of power
quality measurements
A.7 Trouble-shooting applications
A.8 Statistical survey applications
A.9 Voltage dip characteristics
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography