Institute of Electrical and Electronics Engineers (IEEE)
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IEEE Std C57.13.5-2019
IEEE Std C57.13.5-2019 history
1970IEEE Std C57.13.5-2019 IEEE Standard for Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
2009IEEE Std C57.13.5-2009 IEEE Standard for Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
1970IEEE Std C57.13.5-2003 IEEE Standard of Performance and Test Requirements of Instrument Transformers of a Nominal Voltage of 115 kV and Above