FOREWORD
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
Bibliography