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IEC 61869-5 Ed. 1.0 b:2011
Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers
"IEC 61869-5:2011 applies to new single-phase capacitor voltage transformers connected between line and ground for system voltages Um ≥ 72,5 kV at power frequencies from 15 Hz to 100 Hz. They are intended to supply a low voltage for measurement, control and protective functions. This standard replaces IEC 60044-5 regarding capacitor voltage transformers as well as IEC-PAS 60044-5 for capacitor voltage transformers.
This publication is to be read in conjunction with IEC 61869-1:2007."
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International Electrotechnical Commission [iec]
International Electrotechnical Commission [iec]