IEC TR 61869-103:2012 

Instrument transformers - The use of instrument transformers for power quality measurement


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IEC/TR 61869-103:2012(E) is applicable to inductive and electronic instrument transformers for use with electrical measuring instruments for measurement and interpretation of results for power quality parameters in 50/60 Hz a.c. power supply systems. It gives guidance in the usage of HV instrument transformers for measuring the following power quality parameters; power frequency, magnitude of the supply voltage and current, flicker, supply voltage dips and swells, voltage interruptions, transient voltages, supply voltage unbalance, voltage and current harmonics and interharmonics, mains signalling on the supply voltage and rapid voltage changes.

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Additional information

Publication typeTechnical Report
Publication date2012-05-07
Available language(s)English
TC/SCTC 38 - Instrument transformersrss
ICS17.220.20 - Measurement of electrical and magnetic quantities
Stability date  2021
File size3854 KB

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